Merge branch 'master' into portability

53 files changed, 5814 insertions, 1961 deletions

diff --git a/src/portable/bridgetek/ft9xx/dcd_ft9xx.c b/src/portable/bridgetek/ft9xx/dcd_ft9xx.c
index 2445593fe..95dfda49c 100644
--- a/src/portable/bridgetek/ft9xx/dcd_ft9xx.c
+++ b/src/portable/bridgetek/ft9xx/dcd_ft9xx.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright 2021 Bridgetek Pte Ltd
@@ -24,23 +24,20 @@
  * This file is part of the TinyUSB stack.
  */
 
-/* 
- * Contains code adapted from Bridgetek Pte Ltd via license terms stated 
+/*
+ * Contains code adapted from Bridgetek Pte Ltd via license terms stated
  * in https://brtchip.com/BRTSourceCodeLicenseAgreement
  */
 
 #include "tusb_option.h"
 
 #if CFG_TUD_ENABLED && \
-  (CFG_TUSB_MCU == OPT_MCU_FT90X || CFG_TUSB_MCU == OPT_MCU_FT93X) 
+  (CFG_TUSB_MCU == OPT_MCU_FT90X || CFG_TUSB_MCU == OPT_MCU_FT93X)
 
 #include <stdint.h>
 #include <ft900.h>
 #include <registers/ft900_registers.h>
 
-#include "board.h"
-#include "bsp/board.h"
-
 #define USBD_USE_STREAMS
 
 #include "device/dcd.h"
@@ -50,17 +47,21 @@
 //--------------------------------------------------------------------+
 
 // Board code will determine the state of VBUS from USB host.
-extern int8_t board_ft90x_vbus(void);
+extern int8_t board_ft9xx_vbus(void);
+extern int board_uart_write(void const *buf, int len);
 
 // Static array to store an incoming SETUP request for processing by tinyusb.
-static uint8_t _ft90x_setup_packet[8];
+CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN
+static uint8_t _ft9xx_setup_packet[8];
 
-struct ft90x_xfer_state
+struct ft9xx_xfer_state
 {
+  volatile uint8_t ready; // OUT Transfer has been received and waiting for transfer.
   volatile uint8_t valid; // Transfer is pending and total_size, remain_size, and buff_ptr are valid.
-  volatile int16_t total_size; // Total transfer size in bytes for this transfer.
-  volatile int16_t remain_size; // Total remaining in transfer.
-  volatile uint8_t *buff_ptr; // Pointer to buffer to transmit from or receive to.
+
+  int16_t total_size; // Total transfer size in bytes for this transfer.
+  int16_t remain_size; // Total remaining in transfer.
+  uint8_t *buff_ptr; // Pointer to buffer to transmit from or receive to.
 
   uint8_t type; // Endpoint type. Of type USBD_ENDPOINT_TYPE from endpoint descriptor.
   uint8_t dir; // Endpoint direction. TUSB_DIR_OUT or TUSB_DIR_IN. For control endpoint this is the current direction.
@@ -68,32 +69,32 @@ struct ft90x_xfer_state
   uint16_t size; // Max packet size for endpoint from endpoint descriptor.
 };
 // Endpoint description array for each endpoint.
-static struct ft90x_xfer_state ep_xfer[USBD_MAX_ENDPOINT_COUNT];
+static struct ft9xx_xfer_state ep_xfer[USBD_MAX_ENDPOINT_COUNT];
 // USB speed.
 static tusb_speed_t _speed;
 
 // Interrupt handlers.
-void _ft90x_usbd_ISR(void); // Interrupt handler for USB device.
-void ft90x_usbd_pm_ISR(void); // Interrupt handler for USB device for power management (called by board).
+void _ft9xx_usbd_ISR(void); // Interrupt handler for USB device.
+void ft9xx_usbd_pm_ISR(void); // Interrupt handler for USB device for power management (called by board).
 
 // Internal functions forward declarations.
-static uint16_t _ft90x_edpt_xfer_out(uint8_t ep_number, uint8_t *buffer, uint16_t xfer_bytes);
-static uint16_t _ft90x_edpt_xfer_in(uint8_t ep_number, uint8_t *buffer, uint16_t xfer_bytes);
-static void _ft90x_reset_edpts(void);
-static inline void _ft90x_phy_enable(bool en);
-static void _ft90x_usb_speed(void);
-static void _dcd_ft90x_attach(void);
-static void _dcd_ft90x_detach(void) __attribute__((unused));
-static uint16_t _ft90x_dusb_in(uint8_t ep_number, const uint8_t *buffer, uint16_t length);
-static uint16_t _ft90x_dusb_out(uint8_t ep_number, uint8_t *buffer, uint16_t length);
+static uint16_t _ft9xx_edpt_xfer_out(uint8_t ep_number, uint8_t *buffer, uint16_t xfer_bytes);
+static uint16_t _ft9xx_edpt_xfer_in(uint8_t ep_number, uint8_t *buffer, uint16_t xfer_bytes);
+static void _ft9xx_reset_edpts(void);
+static inline void _ft9xx_phy_enable(bool en);
+static void _ft9xx_usb_speed(void);
+static void _dcd_ft9xx_attach(void);
+static void _dcd_ft9xx_detach(void) __attribute__((unused));
+static uint16_t _ft9xx_dusb_in(uint8_t ep_number, const uint8_t *buffer, uint16_t length);
+static uint16_t _ft9xx_dusb_out(uint8_t ep_number, uint8_t *buffer, uint16_t length);
 
 // Internal functions.
 
 // Manage an OUT transfer from the host.
 // This can be up-to the maximum packet size of the endpoint.
-// Continuation of a transfer beyond the maximum packet size is performed 
+// Continuation of a transfer beyond the maximum packet size is performed
 // by the interrupt handler.
-static uint16_t _ft90x_edpt_xfer_out(uint8_t ep_number, uint8_t *buffer, uint16_t xfer_bytes)
+static uint16_t _ft9xx_edpt_xfer_out(uint8_t ep_number, uint8_t *buffer, uint16_t xfer_bytes)
 {
   //Note: this is called from only the interrupt handler when an OUT transfer is called.
   uint16_t ep_size = ep_xfer[ep_number].size;
@@ -108,7 +109,7 @@ static uint16_t _ft90x_edpt_xfer_out(uint8_t ep_number, uint8_t *buffer, uint16_
     //;
 
   // Send the first packet of max packet size
-  xfer_bytes = _ft90x_dusb_out(ep_number, (uint8_t *)buffer, xfer_bytes);
+  xfer_bytes = _ft9xx_dusb_out(ep_number, (uint8_t *)buffer, xfer_bytes);
   if (ep_number == USBD_EP_0)
   {
     // Set flags to indicate data ready.
@@ -124,9 +125,9 @@ static uint16_t _ft90x_edpt_xfer_out(uint8_t ep_number, uint8_t *buffer, uint16_
 
 // Manage an IN transfer to the host.
 // This can be up-to the maximum packet size of the endpoint.
-// Continuation of a transfer beyond the maximum packet size is performed 
+// Continuation of a transfer beyond the maximum packet size is performed
 // by the interrupt handler.
-static uint16_t _ft90x_edpt_xfer_in(uint8_t ep_number, uint8_t *buffer, uint16_t xfer_bytes)
+static uint16_t _ft9xx_edpt_xfer_in(uint8_t ep_number, uint8_t *buffer, uint16_t xfer_bytes)
 {
   //Note: this may be called from the interrupt handler or from normal code.
   uint8_t end = 0;
@@ -154,17 +155,24 @@ static uint16_t _ft90x_edpt_xfer_in(uint8_t ep_number, uint8_t *buffer, uint16_t
   }
   else
   {
-    uint8_t sr_reg;
     // If there is data to transmit then wait until the IN buffer
     // for the endpoint is empty.
-    do
+    // This does not apply to interrupt endpoints.
+    if (ep_xfer[ep_number].type != TUSB_XFER_INTERRUPT)
     {
-      sr_reg = USBD_EP_SR_REG(ep_number);
-    } while (sr_reg & MASK_USBD_EPxSR_INPRDY);
-    
+      uint8_t sr_reg;
+      do
+      {
+        sr_reg = USBD_EP_SR_REG(ep_number);
+      } while (sr_reg & MASK_USBD_EPxSR_INPRDY);
+    }
   }
 
-  xfer_bytes = _ft90x_dusb_in(ep_number, (uint8_t *)buffer, xfer_bytes);
+  // Do not send a ZLP for interrupt endpoints.
+  if ((ep_xfer[ep_number].type != TUSB_XFER_INTERRUPT) || (xfer_bytes > 0))
+  {
+    xfer_bytes = _ft9xx_dusb_in(ep_number, (uint8_t *)buffer, xfer_bytes);
+  }
 
   if (ep_number == USBD_EP_0)
   {
@@ -188,25 +196,25 @@ static uint16_t _ft90x_edpt_xfer_in(uint8_t ep_number, uint8_t *buffer, uint16_t
   return xfer_bytes;
 }
 
-// Reset all non-control endpoints to a default state. 
+// Reset all non-control endpoints to a default state.
 // Control endpoint is always enabled and ready. All others disabled.
-static void _ft90x_reset_edpts(void)
+static void _ft9xx_reset_edpts(void)
 {
   // Disable all endpoints and remove configuration values.
   for (int i = 1; i < USBD_MAX_ENDPOINT_COUNT; i++)
   {
     // Clear settings.
-    tu_memclr(&ep_xfer[i], sizeof(struct ft90x_xfer_state));
+    tu_memclr(&ep_xfer[i], sizeof(struct ft9xx_xfer_state));
     // Disable hardware.
     USBD_EP_CR_REG(i) = 0;
   }
-  
+
   // Enable interrupts from USB device control.
   USBD_REG(cmie) = MASK_USBD_CMIE_ALL;
 }
 
 // Enable or disable the USB PHY.
-static inline void _ft90x_phy_enable(bool en)
+static inline void _ft9xx_phy_enable(bool en)
 {
   if (en)
     SYS->PMCFG_L |= MASK_SYS_PMCFG_DEV_PHY_EN;
@@ -215,7 +223,7 @@ static inline void _ft90x_phy_enable(bool en)
 }
 
 // Safely connect to the USB.
-static void _dcd_ft90x_attach(void)
+static void _dcd_ft9xx_attach(void)
 {
   uint8_t reg;
 
@@ -271,7 +279,7 @@ static void _dcd_ft90x_attach(void)
 }
 
 // Gracefully disconnect from the USB.
-static void _dcd_ft90x_detach(void)
+static void _dcd_ft9xx_detach(void)
 {
   // Disable device connect/disconnect/host reset detection.
   SYS->PMCFG_L = SYS->PMCFG_L & (~MASK_SYS_PMCFG_DEV_DETECT_EN);
@@ -311,9 +319,9 @@ static void _dcd_ft90x_detach(void)
 }
 
 // Determine the speed of the USB to which we are connected.
-// Set the speed of the PHY accordingly. 
+// Set the speed of the PHY accordingly.
 // High speed can be disabled through CFG_TUSB_RHPORT0_MODE or CFG_TUD_MAX_SPEED settings.
-static void _ft90x_usb_speed(void)
+static void _ft9xx_usb_speed(void)
 {
 	uint8_t  fctrl_val;
 
@@ -371,16 +379,16 @@ static void _ft90x_usb_speed(void)
 }
 
 // Send a buffer to the USB IN FIFO.
-// When the macro USBD_USE_STREAMS is defined this will stream a buffer of data 
+// When the macro USBD_USE_STREAMS is defined this will stream a buffer of data
 // to the FIFO using the most efficient MCU streamout combination.
-// If streaming is disabled then it will send each byte of the buffer in turn 
+// If streaming is disabled then it will send each byte of the buffer in turn
 // to the FIFO. The is no reason to not stream.
 // The total number of bytes sent to the FIFO is returned.
-static uint16_t _ft90x_dusb_in(uint8_t ep_number, const uint8_t *buffer, uint16_t length)
+static uint16_t _ft9xx_dusb_in(uint8_t ep_number, const uint8_t *buffer, uint16_t length)
 {
   uint16_t bytes_read = 0;
   uint16_t buff_size = length;
-  
+
 #ifdef USBD_USE_STREAMS
   volatile uint8_t *data_reg;
 
@@ -415,7 +423,7 @@ static uint16_t _ft90x_dusb_in(uint8_t ep_number, const uint8_t *buffer, uint16_
     bytes_read = buff_size;
   }
 #else // USBD_USE_STREAMS
-  
+
   bytes_read = buff_size;
   while (buff_size--)
   {
@@ -430,17 +438,17 @@ static uint16_t _ft90x_dusb_in(uint8_t ep_number, const uint8_t *buffer, uint16_
 // Receive a buffer from the USB OUT FIFO.
 // When the macro USBD_USE_STREAMS is defined this will stream from the FIFO
 // to a buffer of data using the most efficient MCU streamin combination.
-// If streaming is disabled then it will receive each byte from the FIFO in turn 
+// If streaming is disabled then it will receive each byte from the FIFO in turn
 // to the buffer. The is no reason to not stream.
 // The total number of bytes received from the FIFO is returned.
-static uint16_t _ft90x_dusb_out(uint8_t ep_number, uint8_t *buffer, uint16_t length)
+static uint16_t _ft9xx_dusb_out(uint8_t ep_number, uint8_t *buffer, uint16_t length)
 {
 #ifdef USBD_USE_STREAMS
   volatile uint8_t *data_reg;
 #endif // USBD_USE_STREAMS
   uint16_t bytes_read = 0;
   uint16_t buff_size = length;
-  
+
   if (length > 0)
   {
     if (ep_number == USBD_EP_0)
@@ -511,11 +519,11 @@ static uint16_t _ft90x_dusb_out(uint8_t ep_number, uint8_t *buffer, uint16_t len
 // Initialize controller to device mode
 void dcd_init(uint8_t rhport)
 {
-  TU_LOG2("FT90x initialisation\r\n");
+  TU_LOG2("FT9xx initialisation\r\n");
 
-  _dcd_ft90x_attach();
+  _dcd_ft9xx_attach();
 
-  interrupt_attach(interrupt_usb_device, (int8_t)interrupt_usb_device, _ft90x_usbd_ISR);
+  interrupt_attach(interrupt_usb_device, (int8_t)interrupt_usb_device, _ft9xx_usbd_ISR);
 
   dcd_connect(rhport);
 }
@@ -524,7 +532,7 @@ void dcd_init(uint8_t rhport)
 void dcd_int_enable(uint8_t rhport)
 {
   (void)rhport;
-  TU_LOG3("FT90x int enable\r\n");
+  TU_LOG3("FT9xx int enable\r\n");
 
   // Peripheral devices interrupt enable.
   interrupt_enable_globally();
@@ -534,7 +542,7 @@ void dcd_int_enable(uint8_t rhport)
 void dcd_int_disable(uint8_t rhport)
 {
   (void)rhport;
-  TU_LOG3("FT90x int disable\r\n");
+  TU_LOG3("FT9xx int disable\r\n");
 
   // Peripheral devices interrupt disable.
   interrupt_disable_globally();
@@ -587,8 +595,8 @@ void dcd_remote_wakeup(uint8_t rhport)
 
   SYS->MSC0CFG = SYS->MSC0CFG | MASK_SYS_MSC0CFG_DEV_RMWAKEUP;
 
-  // Atleast 2 ms of delay needed for RESUME Data K state.
-  delayms(2); 
+  // At least 2 ms of delay needed for RESUME Data K state.
+  delayms(2);
 
   SYS->MSC0CFG &= ~MASK_SYS_MSC0CFG_DEV_RMWAKEUP;
 
@@ -600,20 +608,20 @@ void dcd_remote_wakeup(uint8_t rhport)
 void dcd_connect(uint8_t rhport)
 {
   (void)rhport;
-  TU_LOG2("FT90x connect\r\n");
+  TU_LOG2("FT9xx connect\r\n");
 
   CRITICAL_SECTION_BEGIN
   // Is device connected?
-  if (board_ft90x_vbus())
+  if (board_ft9xx_vbus())
   {
     // Clear/disable address register.
     USBD_REG(faddr) = 0;
-    _ft90x_phy_enable(true);
+    _ft9xx_phy_enable(true);
 
     // Determine bus speed and signal speed to tusb.
-    _ft90x_usb_speed();
+    _ft9xx_usb_speed();
   }
-  
+
   // Setup the control endpoint only.
 #if CFG_TUD_ENDPOINT0_SIZE == 64
   USBD_EP_CR_REG(USBD_EP_0) = (USBD_EP0_MAX_SIZE_64 << BIT_USBD_EP0_MAX_SIZE);
@@ -636,17 +644,17 @@ void dcd_connect(uint8_t rhport)
   USBD_REG(epie) = (MASK_USBD_EPIE_EP0IE);
 
   // Restore default endpoint state.
-  _ft90x_reset_edpts();
+  _ft9xx_reset_edpts();
 }
 
 // Disconnect by disabling internal pull-up resistor on D+/D-
 void dcd_disconnect(uint8_t rhport)
 {
   (void)rhport;
-  TU_LOG2("FT90x disconnect\r\n");
+  TU_LOG2("FT9xx disconnect\r\n");
 
   // Disable the USB PHY.
-  _ft90x_phy_enable(false);
+  _ft9xx_phy_enable(false);
 }
 
 void dcd_sof_enable(uint8_t rhport, bool en)
@@ -674,12 +682,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const *ep_desc)
   uint8_t ep_reg_data = 0;
   int16_t total_ram;
 
-  TU_LOG2("FT90x endpoint open %d %c\r\n", ep_number, ep_dir?'I':'O');
+  TU_LOG2("FT9xx endpoint open %d %c\r\n", ep_number, ep_dir?'I':'O');
 
   // Check that the requested endpoint number is allowable.
   if (ep_number >= USBD_MAX_ENDPOINT_COUNT)
   {
-    TU_LOG1("FT90x endpoint not valid: requested %d max %d\r\n", ep_number, USBD_MAX_ENDPOINT_COUNT);
+    TU_LOG1("FT9xx endpoint not valid: requested %d max %d\r\n", ep_number, USBD_MAX_ENDPOINT_COUNT);
     return false;
   }
 
@@ -691,10 +699,10 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const *ep_desc)
   }
   if (ep_reg_size > USBD_EP_MAX_SIZE_1024)
   {
-    TU_LOG1("FT90x endpoint size not valid: requested %d max 1024\r\n", ep_size);
+    TU_LOG1("FT9xx endpoint size not valid: requested %d max 1024\r\n", ep_size);
     return false;
   }
-  // Calculate actual amount of buffer RAM used by this endpoint. This may be more than the 
+  // Calculate actual amount of buffer RAM used by this endpoint. This may be more than the
   // requested size.
   ep_buff_size = 8 << ep_reg_size;
 
@@ -706,21 +714,21 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const *ep_desc)
     if (ep_xfer[ep_number].type != USBD_EP_TYPE_DISABLED)
     {
       // This could be because an endpoint has been assigned with the same number.
-      // On FT90x, IN and OUT endpoints may not have the same number. e.g. There 
+      // On FT9xx, IN and OUT endpoints may not have the same number. e.g. There
       // cannot been an 0x81 and 0x01 endpoint.
-      TU_LOG1("FT90x endpoint %d already assigned\r\n", ep_number);
+      TU_LOG1("FT9xx endpoint %d already assigned\r\n", ep_number);
       return false;
     }
 
     // Check that there is enough buffer RAM to allocate to this new endpoint.
     // Available buffer RAM depends on the device revision.
     // The IN and OUT buffer RAM should be the same size.
-    if (ep_dir == USBD_DIR_IN) 
+    if (ep_dir == USBD_DIR_IN)
       total_ram = USBD_RAMTOTAL_IN;
     else
       total_ram = USBD_RAMTOTAL_OUT;
     // Work out how much has been allocated to existing endpoints.
-    // The total RAM allocated shoudl alsyes be a positive number as this
+    // The total RAM allocated should always be a positive number as this
     // algorithm should not let it go below zero.
     for (int i = 1; i < USBD_MAX_ENDPOINT_COUNT; i++)
     {
@@ -732,23 +740,28 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const *ep_desc)
         }
       }
     }
-    // The control endpoint is taken into account as well.
-    total_ram -= ep_xfer[0].buff_size;
+
+    if (sys_check_ft900_revB())
+    {
+      // The control endpoint is taken into account as well on RevB silicon.
+      total_ram -= ep_xfer[0].buff_size;
+    }
+
     // Make sure we have enough space. The corner case is having zero bytes
     // free which means that total_ram must be signed as zero bytes free is
     // allowable.
     if (total_ram < ep_buff_size)
     {
-      TU_LOG1("FT90x insufficient buffer RAM for endpoint %d\r\n", ep_number);
-      return false;    
+      TU_LOG1("FT9xx insufficient buffer RAM for endpoint %d\r\n", ep_number);
+      return false;
     }
 
     // Set the type of this endpoint in the control register.
-    if (ep_type == USBD_EP_BULK)
+    if (ep_type == TUSB_XFER_BULK)
       ep_reg_data |= (USBD_EP_DIS_BULK << BIT_USBD_EP_CONTROL_DIS);
-    else if (ep_type == USBD_EP_INT)
+    else if (ep_type == TUSB_XFER_INTERRUPT)
       ep_reg_data |= (USBD_EP_DIS_INT << BIT_USBD_EP_CONTROL_DIS);
-    else if (ep_type == USBD_EP_ISOC)
+    else if (ep_type == TUSB_XFER_ISOCHRONOUS)
       ep_reg_data |= (USBD_EP_DIS_ISO << BIT_USBD_EP_CONTROL_DIS);
     // Set the direction of this endpoint in the control register.
     if (ep_dir == USBD_DIR_IN)
@@ -756,9 +769,9 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const *ep_desc)
     // Do not perform double buffering.
     //if (<double buffering flag> != USBD_DB_OFF)
     //ep_reg_data |= MASK_USBD_EPxCR_DB;
-    // Set the control endpoint for this endpoint.
+    // Set the control register for this endpoint.
     USBD_EP_CR_REG(ep_number) = ep_reg_data;
-    TU_LOG2("FT90x endpoint setting %x\r\n", ep_reg_data);
+    TU_LOG2("FT9xx endpoint setting %x\r\n", ep_reg_data);
   }
   else
   {
@@ -766,14 +779,15 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const *ep_desc)
     USBD_EP_CR_REG(USBD_EP_0) = (ep_reg_size << BIT_USBD_EP0_MAX_SIZE);
   }
 
+  CRITICAL_SECTION_BEGIN
   // Store the endpoint characteristics for later reference.
   ep_xfer[ep_number].dir = ep_dir;
   ep_xfer[ep_number].type = ep_type;
   ep_xfer[ep_number].size = ep_size;
   ep_xfer[ep_number].buff_size = ep_buff_size;
 
-  CRITICAL_SECTION_BEGIN
   // Clear register transaction continuation and signalling state.
+  ep_xfer[ep_number].ready = 0;
   ep_xfer[ep_number].valid = 0;
   ep_xfer[ep_number].buff_ptr = NULL;
   ep_xfer[ep_number].total_size = 0;
@@ -788,7 +802,7 @@ void dcd_edpt_close_all(uint8_t rhport)
 {
   (void)rhport;
   // Reset the endpoint configurations.
-  _ft90x_reset_edpts();
+  _ft9xx_reset_edpts();
 }
 
 // Submit a transfer, When complete dcd_event_xfer_complete() is invoked to notify the stack
@@ -796,7 +810,7 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t to
 {
   (void)rhport;
   uint8_t ep_number = tu_edpt_number(ep_addr);
-  uint8_t dir = tu_edpt_dir(ep_addr);
+  uint8_t ep_dir = tu_edpt_dir(ep_addr);
   uint16_t xfer_bytes;
   bool status = false;
 
@@ -806,19 +820,17 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t to
   // ep_xfer is used to tell the interrupt handler what to do.
   // ep_xfer can be used at interrupt level to continue transfers.
   CRITICAL_SECTION_BEGIN
+
   // Transfer currently in progress.
   if (ep_xfer[ep_number].valid == 0)
   {
-    status = true;
-
     ep_xfer[ep_number].total_size = total_bytes;
     ep_xfer[ep_number].remain_size = total_bytes;
     ep_xfer[ep_number].buff_ptr = buffer;
-    ep_xfer[ep_number].valid = 1;
-    
+
     if (ep_number == USBD_EP_0)
     {
-      ep_xfer[USBD_EP_0].dir = dir;
+      ep_xfer[USBD_EP_0].dir = ep_dir;
     }
     else
     {
@@ -827,18 +839,53 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t to
       USBD_REG(epie) = USBD_REG(epie) | (1 << ep_number);
     }
 
-    if (dir == TUSB_DIR_IN)
+    if (ep_dir == TUSB_DIR_IN)
     {
       // For IN transfers send the first packet as a starter. Interrupt handler to complete
       // this if it is larger than one packet.
-      xfer_bytes = _ft90x_edpt_xfer_in(ep_number, buffer, total_bytes);
+      xfer_bytes = _ft9xx_edpt_xfer_in(ep_number, buffer, total_bytes);
 
       ep_xfer[ep_number].buff_ptr += xfer_bytes;
       ep_xfer[ep_number].remain_size -= xfer_bytes;
+
+      // Tell the interrupt handler to signal dcd_event_xfer_complete on completion.
+      ep_xfer[ep_number].valid = 1;
     }
+    else // (dir == TUSB_DIR_OUT)
+    {
+      // For OUT transfers on the control endpoint.
+      // The host may already have performed the first data transfer after the SETUP packet
+      // before the transfer is setup for it.
+      if (ep_xfer[ep_number].ready)
+      {
+        // We have received a data packet on the endpoint without a transfer
+        // being initialised. This can be because the host has sent this packet before
+        // a new transfer has been initiated on the endpoint.
+        // We will now stream the data from the FIFO.
+        ep_xfer[ep_number].ready = 0;
+
+        // Transfer incoming data from an OUT packet to the buffer.
+        xfer_bytes = _ft9xx_edpt_xfer_out(ep_number, buffer, total_bytes);
+
+        // Report completion of the transfer.
+        dcd_event_xfer_complete(BOARD_TUD_RHPORT, ep_number /*| TUSB_DIR_OUT_MASK */, xfer_bytes, XFER_RESULT_SUCCESS, false);
+      }
+      else
+      {
+        // Tell the interrupt handler to wait for the packet to be received and
+        // then report the transfer complete with dcd_event_xfer_complete.
+        ep_xfer[ep_number].valid = 1;
+      }
+    }
+    status = true;
+  }
+  else
+  {
+    // Note: should not arrive here.
   }
+
   CRITICAL_SECTION_END
-  
+
   return status;
 }
 
@@ -875,7 +922,7 @@ void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
   CRITICAL_SECTION_END
 }
 
-// Clear stall (non-control endpoint), data toggle is also reset to DATA0 
+// Clear stall (non-control endpoint), data toggle is also reset to DATA0
 void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
 {
   uint8_t ep_number = tu_edpt_number(ep_addr);
@@ -889,6 +936,7 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
     USBD_EP_SR_REG(ep_number) = MASK_USBD_EPxSR_CLR_TOGGLE;
 
     // Allow transfers to restart.
+    ep_xfer[ep_number].ready = 0;
     ep_xfer[ep_number].valid = 0;
     ep_xfer[ep_number].remain_size = 0;
     CRITICAL_SECTION_END
@@ -897,9 +945,9 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
 
 // Interrupt handling.
 
-void _ft90x_usbd_ISR(void)
+void _ft9xx_usbd_ISR(void)
 {
-  tud_int_handler(BOARD_TUD_RHPORT); // Resolves to dcd_int_handler().
+  dcd_int_handler(BOARD_TUD_RHPORT);
 }
 
 void dcd_int_handler(uint8_t rhport)
@@ -936,7 +984,7 @@ void dcd_int_handler(uint8_t rhport)
     if (cmif & MASK_USBD_CMIF_RSTIRQ) //Handle Reset interrupt
     {
       // Reset endpoints to default state.
-      _ft90x_reset_edpts();
+      _ft9xx_reset_edpts();
       dcd_event_bus_reset(BOARD_TUD_RHPORT, _speed, true);
     }
     if (cmif & MASK_USBD_CMIF_SUSIRQ) //Handle Suspend interrupt
@@ -962,7 +1010,6 @@ void dcd_int_handler(uint8_t rhport)
     {
       // Clear interrupt register.
       USBD_REG(epif) = MASK_USBD_EPIF_EP0IRQ;
-
       // Test for an incoming SETUP request on the control endpoint.
       if (USBD_EP_SR_REG(USBD_EP_0) & MASK_USBD_EP0SR_SETUP)
       {
@@ -976,16 +1023,19 @@ void dcd_int_handler(uint8_t rhport)
           USBD_EP_SR_REG(USBD_EP_0) = MASK_USBD_EP0SR_STALL;
         }
 
-        // Host has sent a SETUP packet. Recieve this into the setup packet store.
-        _ft90x_dusb_out(USBD_EP_0, (uint8_t *)_ft90x_setup_packet, sizeof(USB_device_request));
-        
+        // Host has sent a SETUP packet. Receive this into the SETUP packet store.
+        _ft9xx_dusb_out(USBD_EP_0, (uint8_t *)_ft9xx_setup_packet, sizeof(USB_device_request));
+
         // Send the packet to tinyusb.
-        dcd_event_setup_received(BOARD_TUD_RHPORT, _ft90x_setup_packet, true);
+        dcd_event_setup_received(BOARD_TUD_RHPORT, _ft9xx_setup_packet, true);
 
         // Clear the interrupt that signals a SETUP packet is received.
         USBD_EP_SR_REG(USBD_EP_0) = (MASK_USBD_EP0SR_SETUP);
 
-        // Allow new transfers on the control endpoint.
+        // Any SETUP packet will clear the incoming FIFO.
+        ep_xfer[USBD_EP_0].ready = 0;
+
+        // Allow new DATA and ACK transfers on the control endpoint.
         ep_xfer[USBD_EP_0].valid = 0;
         return;
       }
@@ -996,17 +1046,31 @@ void dcd_int_handler(uint8_t rhport)
         {
           xfer_bytes = (uint16_t)ep_xfer[USBD_EP_0].total_size;
 
-          // Transfer incoming data from an OUT packet to the buffer supplied.        
+          // Transfer incoming data from an OUT packet to the buffer supplied.
           if (ep_xfer[USBD_EP_0].dir == TUSB_DIR_OUT)
-          { 
-            xfer_bytes = _ft90x_edpt_xfer_out(USBD_EP_0, (uint8_t *)ep_xfer[USBD_EP_0].buff_ptr, xfer_bytes);
+          {
+            xfer_bytes = _ft9xx_edpt_xfer_out(USBD_EP_0, ep_xfer[USBD_EP_0].buff_ptr, xfer_bytes);
           }
           // Now signal completion of data packet.
-          dcd_event_xfer_complete(BOARD_TUD_RHPORT, (ep_xfer[USBD_EP_0].dir ? TUSB_DIR_IN_MASK : 0), xfer_bytes, XFER_RESULT_SUCCESS, true);
+          dcd_event_xfer_complete(BOARD_TUD_RHPORT, USBD_EP_0 | (ep_xfer[USBD_EP_0].dir ? TUSB_DIR_IN_MASK : 0),
+            xfer_bytes, XFER_RESULT_SUCCESS, true);
+
+          // Incoming FIFO has been cleared.
+          ep_xfer[USBD_EP_0].ready = 0;
 
           // Allow new transfers on the control endpoint.
           ep_xfer[USBD_EP_0].valid = 0;
         }
+        // No transfer is in flight for EP0.
+        else
+        {
+          // We have received a data packet on the control endpoint without a transfer
+          // being initialised. This can be because the host has sent this packet before
+          // a new transfer has been initiated on the control endpoint.
+          // We will record that there is data in the FIFO for dcd_edpt_xfer to obtain
+          // once the transfer is initiated.
+          ep_xfer[USBD_EP_0].ready = 1;
+        }
       }
     }
     else // !(epif & MASK_USBD_EPIF_EP0IRQ)
@@ -1026,7 +1090,6 @@ void dcd_int_handler(uint8_t rhport)
         if (ep_xfer[ep_number].valid)
         {
           xfer_bytes = 0;
-          uint8_t ep_dirmask = (ep_xfer[ep_number].dir ? TUSB_DIR_IN_MASK : 0);
 
           // Clear interrupt register for this endpoint.
           USBD_REG(epif) = MASK_USBD_EPIF_IRQ(ep_number);
@@ -1034,10 +1097,15 @@ void dcd_int_handler(uint8_t rhport)
           // Start or continue an OUT transfer.
           if (ep_xfer[ep_number].dir == TUSB_DIR_OUT)
           {
-            xfer_bytes = _ft90x_edpt_xfer_out(ep_number, 
-                            (uint8_t *)ep_xfer[ep_number].buff_ptr, 
+            xfer_bytes = _ft9xx_edpt_xfer_out(ep_number,
+                            ep_xfer[ep_number].buff_ptr,
                             (uint16_t)ep_xfer[ep_number].remain_size);
 
+            // Report each OUT packet received to the stack.
+            dcd_event_xfer_complete(BOARD_TUD_RHPORT,
+                                      ep_number /* | TUSB_DIR_OUT_MASK */,
+                                      xfer_bytes, XFER_RESULT_SUCCESS, true);
+
             ep_xfer[ep_number].buff_ptr += xfer_bytes;
             ep_xfer[ep_number].remain_size -= xfer_bytes;
           }
@@ -1046,40 +1114,58 @@ void dcd_int_handler(uint8_t rhport)
           {
             if (ep_xfer[ep_number].remain_size > 0)
             {
-              xfer_bytes = _ft90x_edpt_xfer_in(ep_number, 
-                            (uint8_t *)ep_xfer[ep_number].buff_ptr, 
+              xfer_bytes = _ft9xx_edpt_xfer_in(ep_number,
+                            ep_xfer[ep_number].buff_ptr,
                             (uint16_t)ep_xfer[ep_number].remain_size);
 
               ep_xfer[ep_number].buff_ptr += xfer_bytes;
               ep_xfer[ep_number].remain_size -= xfer_bytes;
             }
+
+            if (ep_xfer[ep_number].remain_size == 0)
+            {
+              dcd_event_xfer_complete(BOARD_TUD_RHPORT,
+                                      ep_number | TUSB_DIR_IN_MASK,
+                                      ep_xfer[ep_number].total_size, XFER_RESULT_SUCCESS, true);
+            }
           }
 
           // When the transfer is complete...
           if (ep_xfer[ep_number].remain_size == 0)
           {
-            // Signal tinyUSB.
-            dcd_event_xfer_complete(BOARD_TUD_RHPORT, ep_number | ep_dirmask, ep_xfer[ep_number].total_size, XFER_RESULT_SUCCESS, true);
-
-            // Allow new transfers on this endpoint.
+            // Finish this transfer and allow new transfers on this endpoint.
             ep_xfer[ep_number].valid = 0;
 
             // Disable the interrupt for this endpoint now it is complete.
             USBD_REG(epie) = USBD_REG(epie) & (~(1 << ep_number));
           }
+
+          ep_xfer[ep_number].ready = 0;
+        }
+        // No OUT transfer is in flight for this endpoint.
+        else
+        {
+          if (ep_xfer[ep_number].dir == TUSB_DIR_OUT)
+          {
+            // We will record that there is data in the FIFO for dcd_edpt_xfer to obtain
+            // once the transfer is initiated.
+            // Strictly this should not happen for a non-control endpoint. Interrupts
+            // are disabled when there are no transfers setup for an endpoint.
+            ep_xfer[ep_number].ready = 1;
+          }
         }
       }
     }
   }
 }
 
-// Power management interrupt handler. 
+// Power management interrupt handler.
 // This handles USB device related power management interrupts only.
-void ft90x_usbd_pm_ISR(void)
+void ft9xx_usbd_pm_ISR(void)
 {
     uint16_t pmcfg = SYS->PMCFG_H;
 
-  // Main interrupt handler is responible for 
+  // Main interrupt handler is responible for
   if (pmcfg & MASK_SYS_PMCFG_DEV_CONN_DEV)
   {
       // Signal connection interrupt
diff --git a/src/portable/chipidea/ci_hs/ci_hs_type.h b/src/portable/chipidea/ci_hs/ci_hs_type.h
index 728a86b86..31b5a012d 100644
--- a/src/portable/chipidea/ci_hs/ci_hs_type.h
+++ b/src/portable/chipidea/ci_hs/ci_hs_type.h
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2021, Ha Thach (tinyusb.org)
diff --git a/src/portable/chipidea/ci_hs/dcd_ci_hs.c b/src/portable/chipidea/ci_hs/dcd_ci_hs.c
index c7cc3e0e8..bc6736cf2 100644
--- a/src/portable/chipidea/ci_hs/dcd_ci_hs.c
+++ b/src/portable/chipidea/ci_hs/dcd_ci_hs.c
@@ -48,6 +48,8 @@
 
 #define CI_HS_REG(_port)      ((ci_hs_regs_t*) _ci_controller[_port].reg_base)
 
+// Clean means to push any cached changes to RAM and invalidate "removes" the
+// entry from the cache.
 #if defined(__CORTEX_M) && __CORTEX_M == 7 && __DCACHE_PRESENT == 1
   #define CleanInvalidateDCache_by_Addr   SCB_CleanInvalidateDCache_by_Addr
 #else
@@ -199,6 +201,8 @@ static void bus_reset(uint8_t rhport)
   _dcd_data.qhd[0][0].qtd_overlay.next = _dcd_data.qhd[0][1].qtd_overlay.next = QTD_NEXT_INVALID;
 
   _dcd_data.qhd[0][0].int_on_setup = 1; // OUT only
+
+  CleanInvalidateDCache_by_Addr((uint32_t*) &_dcd_data, sizeof(dcd_data_t));
 }
 
 void dcd_init(uint8_t rhport)
@@ -541,7 +545,7 @@ static void process_edpt_complete_isr(uint8_t rhport, uint8_t epnum, uint8_t dir
       tu_fifo_advance_write_pointer(p_qhd->ff, xferred_bytes);
     }
   }
-  
+
   // only number of bytes in the IOC qtd
   dcd_event_xfer_complete(rhport, tu_edpt_addr(epnum, dir), xferred_bytes, result, true);
 }
diff --git a/src/portable/chipidea/ci_hs/hcd_ci_hs.c b/src/portable/chipidea/ci_hs/hcd_ci_hs.c
index d0396daea..d607627b4 100644
--- a/src/portable/chipidea/ci_hs/hcd_ci_hs.c
+++ b/src/portable/chipidea/ci_hs/hcd_ci_hs.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
diff --git a/src/portable/dialog/da146xx/dcd_da146xx.c b/src/portable/dialog/da146xx/dcd_da146xx.c
index 0bb8b6e41..961da81d6 100644
--- a/src/portable/dialog/da146xx/dcd_da146xx.c
+++ b/src/portable/dialog/da146xx/dcd_da146xx.c
@@ -243,7 +243,7 @@ static struct
 
 // Converts xfer pointer to epnum (0,1,2,3) regardless of xfer direction
 #define XFER_EPNUM(xfer)      ((xfer - &_dcd.xfer_status[0][0]) >> 1)
-// Converts xfer pinter to EPx_REGS pointer (returns same pointer for IN and OUT with same endpoint number)
+// Converts xfer pointer to EPx_REGS pointer (returns same pointer for IN and OUT with same endpoint number)
 #define XFER_REGS(xfer)       ep_regs[XFER_EPNUM(xfer)]
 // Converts epnum (0,1,2,3) to EPx_REGS pointer
 #define EPNUM_REGS(epnum)     ep_regs[epnum]
diff --git a/src/portable/ehci/ehci.c b/src/portable/ehci/ehci.c
index 76ba2a921..ee9dfb11f 100644
--- a/src/portable/ehci/ehci.c
+++ b/src/portable/ehci/ehci.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
@@ -188,7 +188,7 @@ tusb_speed_t hcd_port_speed_get(uint8_t rhport)
 static void list_remove_qhd_by_addr(ehci_link_t* list_head, uint8_t dev_addr)
 {
   for(ehci_link_t* prev = list_head;
-      !prev->terminate && (tu_align32(prev->address) != (uint32_t) list_head);
+      !prev->terminate && (tu_align32(prev->address) != (uint32_t) list_head) && prev != NULL;
       prev = list_next(prev) )
   {
     // TODO check type for ISO iTD and siTD
@@ -199,7 +199,7 @@ static void list_remove_qhd_by_addr(ehci_link_t* list_head, uint8_t dev_addr)
     #pragma GCC diagnostic pop
     if ( qhd->dev_addr == dev_addr )
     {
-      // TODO deactive all TD, wait for QHD to inactive before removal
+      // TODO deactivate all TD, wait for QHD to inactive before removal
       prev->address = qhd->next.address;
 
       // EHCI 4.8.2 link the removed qhd to async head (which always reachable by Host Controller)
@@ -566,7 +566,7 @@ static void period_list_xfer_complete_isr(uint8_t hostid, uint32_t interval_ms)
       case EHCI_QTYPE_ITD: // TODO support hs/fs ISO
       case EHCI_QTYPE_SITD:
       case EHCI_QTYPE_FSTN:
-				
+
       default: break;
     }
 
@@ -683,7 +683,7 @@ void hcd_int_handler(uint8_t rhport)
 
   uint32_t int_status = regs->status;
   int_status &= regs->inten;
-  
+
   regs->status = int_status; // Acknowledge handled interrupt
 
   if (int_status == 0) return;
@@ -839,7 +839,7 @@ static void qhd_init(ehci_qhd_t *p_qhd, uint8_t dev_addr, tusb_desc_endpoint_t c
     if (TUSB_SPEED_HIGH == p_qhd->ep_speed)
     {
       TU_ASSERT( interval <= 16, );
-      if ( interval < 4) // sub milisecond interval
+      if ( interval < 4) // sub millisecond interval
       {
         p_qhd->interval_ms = 0;
         p_qhd->int_smask   = (interval == 1) ? TU_BIN8(11111111) :
diff --git a/src/portable/ehci/ehci.h b/src/portable/ehci/ehci.h
index ff9ae12e7..36f8649be 100644
--- a/src/portable/ehci/ehci.h
+++ b/src/portable/ehci/ehci.h
@@ -114,7 +114,7 @@ typedef struct
 	volatile uint32_t current_page         : 3  ; ///< Index into the qTD buffer pointer list
 	uint32_t int_on_complete               : 1  ; ///< Interrupt on complete
 	volatile uint32_t total_bytes          : 15 ; ///< Transfer bytes, decreased during transaction
-	volatile uint32_t data_toggle          : 1  ; ///< Data Toogle bit
+	volatile uint32_t data_toggle          : 1  ; ///< Data Toggle bit
 
 
 	/// Buffer Page Pointer List, Each element in the list is a 4K page aligned, physical memory address. The lower 12 bits in each pointer are reserved (except for the first one) as each memory pointer must reference the start of a 4K page
@@ -160,7 +160,7 @@ typedef struct TU_ATTR_ALIGNED(32)
 	uint8_t used;
 	uint8_t removing; // removed from asyn list, waiting for async advance
 	uint8_t pid;
-	uint8_t interval_ms; // polling interval in frames (or milisecond)
+	uint8_t interval_ms; // polling interval in frames (or millisecond)
 
 	uint16_t total_xferred_bytes; // number of bytes xferred until a qtd with ioc bit set
 	uint8_t reserved2[2];
@@ -225,7 +225,7 @@ typedef struct TU_ATTR_ALIGNED(32)
 	uint16_t reserved ; ///< reserved
 
 	// Word 3: siTD Transfer Status and Control
-	// Status [7:0] TODO indentical to qTD Token'status --> refractor later
+	// Status [7:0] TODO identical to qTD Token'status --> refactor later
 	volatile uint32_t                 : 1  ; // reserved
 	volatile uint32_t split_state     : 1  ;
 	volatile uint32_t missed_uframe   : 1  ;
@@ -350,8 +350,8 @@ typedef volatile struct
       uint32_t periodic_status       : 1  ; ///< Periodic schedule status
       uint32_t async_status          : 1  ; ///< Async schedule status
       uint32_t                       : 2  ;
-      uint32_t nxp_int_async         : 1  ; ///< NXP customized: This bit is set by the Host Controller when the cause of an interrupt is a completion of a USB transaction where the Transfer Descriptor (TD) has an interrupt on complete (IOC) bit set andthe TD was from the asynchronous schedule. This bit is also set by the Host when a short packet is detected andthe packet is on the asynchronous schedule.
-      uint32_t nxp_int_period        : 1  ; ///< NXP customized: This bit is set by the Host Controller when the cause of an interrupt is a completion of a USB transaction where the Transfer Descriptor (TD) has an interrupt on complete (IOC) bit set andthe TD was from the periodic schedule.
+      uint32_t nxp_int_async         : 1  ; ///< NXP customized: This bit is set by the Host Controller when the cause of an interrupt is a completion of a USB transaction where the Transfer Descriptor (TD) has an interrupt on complete (IOC) bit set and the TD was from the asynchronous schedule. This bit is also set by the Host when a short packet is detected and the packet is on the asynchronous schedule.
+      uint32_t nxp_int_period        : 1  ; ///< NXP customized: This bit is set by the Host Controller when the cause of an interrupt is a completion of a USB transaction where the Transfer Descriptor (TD) has an interrupt on complete (IOC) bit set and the TD was from the periodic schedule.
       uint32_t                       : 12 ;
     }status_bm;
   };
diff --git a/src/portable/espressif/esp32sx/dcd_esp32sx.c b/src/portable/espressif/esp32sx/dcd_esp32sx.c
index a30fca0d8..1fcfb6241 100644
--- a/src/portable/espressif/esp32sx/dcd_esp32sx.c
+++ b/src/portable/espressif/esp32sx/dcd_esp32sx.c
@@ -59,6 +59,7 @@ typedef struct {
     uint16_t queued_len;
     uint16_t max_size;
     bool short_packet;
+    uint8_t interval;
 } xfer_ctl_t;
 
 static const char *TAG = "TUSB:DCD";
@@ -267,6 +268,7 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const *desc_edpt)
 
   xfer_ctl_t *xfer = XFER_CTL_BASE(epnum, dir);
   xfer->max_size = tu_edpt_packet_size(desc_edpt);
+  xfer->interval = desc_edpt->bInterval;
 
   if (dir == TUSB_DIR_OUT) {
     out_ep[epnum].doepctl |= USB_USBACTEP1_M |
@@ -379,6 +381,13 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t to
     USB0.in_ep_reg[epnum].dieptsiz = (num_packets << USB_D_PKTCNT0_S) | total_bytes;
     USB0.in_ep_reg[epnum].diepctl |= USB_D_EPENA1_M | USB_D_CNAK1_M; // Enable | CNAK
 
+    // For ISO endpoint with interval=1 set correct DATA0/DATA1 bit for next frame
+    if ((USB0.in_ep_reg[epnum].diepctl & USB_D_EPTYPE0_M) == (1 << USB_D_EPTYPE1_S) && xfer->interval == 1) {
+      // Take odd/even bit from frame counter.
+      uint32_t const odd_frame_now = (USB0.dsts & (1u << USB_SOFFN_S));
+      USB0.in_ep_reg[epnum].diepctl |= (odd_frame_now ? USB_DI_SETD0PID1 : USB_DI_SETD1PID1);
+    }
+
     // Enable fifo empty interrupt only if there are something to put in the fifo.
     if(total_bytes != 0) {
       USB0.dtknqr4_fifoemptymsk |= (1 << epnum);
@@ -387,6 +396,13 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t to
     // Each complete packet for OUT xfers triggers XFRC.
     USB0.out_ep_reg[epnum].doeptsiz |= USB_PKTCNT0_M | ((xfer->max_size & USB_XFERSIZE0_V) << USB_XFERSIZE0_S);
     USB0.out_ep_reg[epnum].doepctl  |= USB_EPENA0_M | USB_CNAK0_M;
+
+    // For ISO endpoint with interval=1 set correct DATA0/DATA1 bit for next frame
+    if ((USB0.out_ep_reg[epnum].doepctl & USB_D_EPTYPE0_M) == (1 << USB_D_EPTYPE1_S) && xfer->interval == 1) {
+      // Take odd/even bit from frame counter.
+      uint32_t const odd_frame_now = (USB0.dsts & (1u << USB_SOFFN_S));
+      USB0.out_ep_reg[epnum].doepctl |= (odd_frame_now ? USB_DO_SETD0PID1 : USB_DO_SETD1PID1);
+    }
   }
   return true;
 }
@@ -725,7 +741,7 @@ static void handle_epin_ints(void)
 
       // XFER Timeout
       if (USB0.in_ep_reg[n].diepint & USB_D_TIMEOUT0_M) {
-        // Clear interrupt or enpoint will hang.
+        // Clear interrupt or endpoint will hang.
         USB0.in_ep_reg[n].diepint = USB_D_TIMEOUT0_M;
         // Maybe retry?
       }
@@ -858,4 +874,3 @@ void dcd_int_disable (uint8_t rhport)
 }
 
 #endif // #if OPT_MCU_ESP32S2 || OPT_MCU_ESP32S3
-
diff --git a/src/portable/mentor/musb/dcd_musb.c b/src/portable/mentor/musb/dcd_musb.c
index 0ba53d4d0..487761847 100644
--- a/src/portable/mentor/musb/dcd_musb.c
+++ b/src/portable/mentor/musb/dcd_musb.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2021 Koji KITAYAMA
@@ -572,7 +572,7 @@ static void process_bus_reset(uint8_t rhport)
   _dcd.pipe0.buf = NULL;
 
   USB0->TXIE = 1; /* Enable only EP0 */
-  USB0->RXIE = 0; 
+  USB0->RXIE = 0;
 
   /* Clear FIFO settings */
   for (unsigned i = 1; i < TUP_DCD_ENDPOINT_MAX; ++i) {
@@ -722,7 +722,7 @@ void dcd_edpt_close_all(uint8_t rhport)
   unsigned const ie = NVIC_GetEnableIRQ(USB0_IRQn);
   NVIC_DisableIRQ(USB0_IRQn);
   USB0->TXIE = 1; /* Enable only EP0 */
-  USB0->RXIE = 0; 
+  USB0->RXIE = 0;
   for (unsigned i = 1; i < TUP_DCD_ENDPOINT_MAX; ++i) {
     regs->TXMAXP = 0;
     regs->TXCSRH = 0;
@@ -854,7 +854,7 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
   if (tu_edpt_dir(ep_addr)) { /* IN */
     regs->TXCSRL = USB_TXCSRL1_CLRDT;
   } else { /* OUT */
-    regs->RXCSRL = USB_RXCSRL1_CLRDT; 
+    regs->RXCSRL = USB_RXCSRL1_CLRDT;
   }
   if (ie) NVIC_EnableIRQ(USB0_IRQn);
 }
diff --git a/src/portable/mentor/musb/hcd_musb.c b/src/portable/mentor/musb/hcd_musb.c
index 85e18e3aa..9eb2e005e 100644
--- a/src/portable/mentor/musb/hcd_musb.c
+++ b/src/portable/mentor/musb/hcd_musb.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2021 Koji KITAYAMA
@@ -588,7 +588,7 @@ void hcd_int_disable(uint8_t rhport)
 uint32_t hcd_frame_number(uint8_t rhport)
 {
   (void)rhport;
-  /* The device must be reset at least once after connection 
+  /* The device must be reset at least once after connection
    * in order to start the frame counter. */
   if (_hcd.need_reset) hcd_port_reset(rhport);
   return USB0->FRAME;
diff --git a/src/portable/microchip/pic/dcd_pic.c b/src/portable/microchip/pic/dcd_pic.c
new file mode 100644
index 000000000..6986c8317
--- /dev/null
+++ b/src/portable/microchip/pic/dcd_pic.c
@@ -0,0 +1,786 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Koji Kitayama
+ * Copyright (c) 2022 Reimu NotMoe <[email protected]>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include "tusb_option.h"
+
+#if CFG_TUD_ENABLED && \
+    (CFG_TUSB_MCU == OPT_MCU_PIC32MX || CFG_TUSB_MCU == OPT_MCU_PIC32MM || \
+     CFG_TUSB_MCU == OPT_MCU_PIC32MK || CFG_TUSB_MCU == OPT_MCU_PIC24 || \
+     CFG_TUSB_MCU == OPT_MCU_DSPIC33)
+
+#include <xc.h>
+
+#include "device/dcd.h"
+
+
+#if (CFG_TUSB_MCU == OPT_MCU_PIC32MX || CFG_TUSB_MCU == OPT_MCU_PIC32MM || CFG_TUSB_MCU == OPT_MCU_PIC32MK)
+
+#define TU_PIC_INT_SIZE         4
+
+#elif (CFG_TUSB_MCU == OPT_MCU_PIC24 || CFG_TUSB_MCU == OPT_MCU_DSPIC33)
+
+#define TU_PIC_INT_SIZE         2
+
+#else
+
+#error Unsupportd PIC MCU
+
+#endif
+
+
+#if TU_PIC_INT_SIZE == 4
+
+#ifndef KVA_TO_PA
+#define KVA_TO_PA(kva)    ((uint32_t)(kva) & 0x1fffffff)
+#endif
+
+#ifndef PA_TO_KVA1
+#define PA_TO_KVA1(pa)    ((uint32_t)(pa) | 0xA0000000)
+#endif
+
+#else
+
+#ifndef KVA_TO_PA
+#define KVA_TO_PA(kva)    (kva)
+#endif
+
+#ifndef PA_TO_KVA1
+#define PA_TO_KVA1(pa)    (pa)
+#endif
+
+#endif
+
+
+//--------------------------------------------------------------------+
+// MACRO TYPEDEF CONSTANT ENUM DECLARATION
+//--------------------------------------------------------------------+
+
+enum {
+  TOK_PID_OUT   = 0x1u,
+  TOK_PID_IN    = 0x9u,
+  TOK_PID_SETUP = 0xDu,
+};
+
+// The BDT is 8 bytes on 32bit PICs and 4 bytes on 8/16bit PICs
+#if TU_PIC_INT_SIZE == 4
+typedef struct TU_ATTR_PACKED
+{
+  union {
+    uint32_t head;
+    struct {
+      union {
+        struct {
+          uint16_t           :  2;
+          uint16_t tok_pid   :  4;
+          uint16_t data      :  1;
+          uint16_t own       :  1;
+          uint16_t           :  8;
+        };
+        struct {
+          uint16_t           :  2;
+          uint16_t bdt_stall :  1;
+          uint16_t dts       :  1;
+          uint16_t ninc      :  1;
+          uint16_t keep      :  1;
+          uint16_t           : 10;
+        };
+      };
+      uint16_t bc : 10;
+      uint16_t    :  6;
+    };
+  };
+  uint8_t *addr;
+} buffer_descriptor_t;
+
+TU_VERIFY_STATIC( sizeof(buffer_descriptor_t) == 8, "size is not correct" );
+#else
+typedef struct TU_ATTR_PACKED
+{
+  union {
+    uint16_t head;
+
+    struct {
+      uint16_t           :  10;
+      uint16_t tok_pid   :  4;
+      uint16_t data      :  1;
+      uint16_t own       :  1;
+    };
+    struct {
+      uint16_t           :  10;
+      uint16_t bdt_stall :  1;
+      uint16_t dts       :  1;
+      uint16_t ninc      :  1;
+      uint16_t keep      :  1;
+    };
+
+    struct {
+      uint16_t bc : 10;
+      uint16_t    :  6;
+    };
+  };
+  uint8_t *addr;
+} buffer_descriptor_t;
+
+TU_VERIFY_STATIC( sizeof(buffer_descriptor_t) == 4, "size is not correct" );
+#endif
+
+
+typedef struct TU_ATTR_PACKED
+{
+  union {
+    uint32_t state;
+    struct {
+      uint32_t max_packet_size :11;
+      uint32_t                 : 5;
+      uint32_t odd             : 1;
+      uint32_t                 :15;
+    };
+  };
+  uint16_t length;
+  uint16_t remaining;
+} endpoint_state_t;
+
+TU_VERIFY_STATIC( sizeof(endpoint_state_t) == 8, "size is not correct" );
+
+typedef struct
+{
+  union {
+    /* [#EP][OUT,IN][EVEN,ODD] */
+    buffer_descriptor_t bdt[16][2][2];
+#if TU_PIC_INT_SIZE == 4
+    uint16_t            bda[256];
+#else
+    uint8_t            bda[256];
+#endif
+  };
+  TU_ATTR_ALIGNED(4) union {
+    endpoint_state_t endpoint[16][2];
+    endpoint_state_t endpoint_unified[16 * 2];
+  };
+  uint8_t setup_packet[8];
+  uint8_t addr;
+} dcd_data_t;
+
+//--------------------------------------------------------------------+
+// INTERNAL OBJECT & FUNCTION DECLARATION
+//--------------------------------------------------------------------+
+// BDT(Buffer Descriptor Table) must be 256-byte aligned
+CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(512) volatile static dcd_data_t _dcd;
+
+#if TU_PIC_INT_SIZE == 4
+TU_VERIFY_STATIC( sizeof(_dcd.bdt) == 512, "size is not correct" );
+#else
+TU_VERIFY_STATIC( sizeof(_dcd.bdt) == 256, "size is not correct" );
+#endif
+
+#if TU_PIC_INT_SIZE == 4
+typedef uint32_t ep_reg_t;
+#elif TU_PIC_INT_SIZE == 2
+typedef uint16_t ep_reg_t;
+#endif
+
+static inline volatile void *ep_addr(uint8_t rhport, uint8_t ep_num) {
+#if CFG_TUSB_MCU == OPT_MCU_PIC32MK
+  volatile void *ep_reg_base = rhport ? (&U2EP0) : (&U1EP0);
+#else
+  volatile void *ep_reg_base = &U1EP0;
+#endif
+#if TU_PIC_INT_SIZE == 4
+  const size_t offset = 0x10;
+#else
+  const size_t offset = 0x2;
+#endif
+  return ep_reg_base + offset * ep_num;
+}
+
+static inline ep_reg_t ep_read(uint8_t rhport, uint8_t ep_num) {
+  volatile ep_reg_t *ep = ep_addr(rhport, ep_num);
+  return *ep;
+}
+
+static inline void ep_write(uint8_t rhport, uint8_t ep_num, ep_reg_t val) {
+  volatile ep_reg_t *ep = ep_addr(rhport, ep_num);
+  *ep = val;
+}
+
+static inline void ep_clear(uint8_t rhport, uint8_t ep_num, ep_reg_t val) {
+#if TU_PIC_INT_SIZE == 4
+  volatile ep_reg_t *ep_clr = (ep_addr(rhport, ep_num) + 0x4);
+  *ep_clr = val;
+#else
+  ep_reg_t v = ep_read(rhport, ep_num);
+  v &= ~val;
+  ep_write(rhport, ep_num, v);
+#endif
+}
+
+static inline void ep_set(uint8_t rhport, uint8_t ep_num, ep_reg_t val) {
+#if TU_PIC_INT_SIZE == 4
+  volatile ep_reg_t *ep_s = (ep_addr(rhport, ep_num) + 0x8);
+  *ep_s = val;
+#else
+  ep_reg_t v = ep_read(rhport, ep_num);
+  v |= val;
+  ep_write(rhport, ep_num, v);
+#endif
+}
+
+static inline void intr_enable(uint8_t rhport) {
+#if CFG_TUSB_MCU == OPT_MCU_PIC32MM
+  IEC0SET = _IEC0_USBIE_MASK;
+#elif CFG_TUSB_MCU == OPT_MCU_PIC32MX
+  IEC1SET = _IEC1_USBIE_MASK;
+#elif CFG_TUSB_MCU == OPT_MCU_PIC32MK
+  if (rhport == 0)
+    IEC1SET = _IEC1_USB1IE_MASK;
+  else
+    IEC7SET = _IEC7_USB2IE_MASK;
+#elif (CFG_TUSB_MCU == OPT_MCU_PIC24) || (CFG_TUSB_MCU == OPT_MCU_DSPIC33)
+  IEC5bits.USB1IE = 1;
+#endif
+}
+
+static inline void intr_disable(uint8_t rhport) {
+#if CFG_TUSB_MCU == OPT_MCU_PIC32MM
+  IEC0CLR = _IEC0_USBIE_MASK;
+#elif CFG_TUSB_MCU == OPT_MCU_PIC32MX
+  IEC1CLR = _IEC1_USBIE_MASK;
+#elif CFG_TUSB_MCU == OPT_MCU_PIC32MK
+  if (rhport == 0)
+    IEC1CLR = _IEC1_USB1IE_MASK;
+  else
+    IEC7CLR = _IEC7_USB2IE_MASK;
+#elif (CFG_TUSB_MCU == OPT_MCU_PIC24) || (CFG_TUSB_MCU == OPT_MCU_DSPIC33)
+  IEC5bits.USB1IE = 0;
+#endif
+}
+
+static inline int intr_is_enabled(uint8_t rhport) {
+#if CFG_TUSB_MCU == OPT_MCU_PIC32MM
+  return IEC0bits.USBIE;
+#elif CFG_TUSB_MCU == OPT_MCU_PIC32MX
+  return IEC1bits.USBIE;
+#elif CFG_TUSB_MCU == OPT_MCU_PIC32MK
+  if (rhport == 0)
+    return IEC1bits.USB1IE;
+  else
+    return IEC7bits.USB2IE;
+#elif (CFG_TUSB_MCU == OPT_MCU_PIC24) || (CFG_TUSB_MCU == OPT_MCU_DSPIC33)
+  return IEC5bits.USB1IE;
+#endif
+}
+
+static inline void intr_clear(uint8_t rhport) {
+#if CFG_TUSB_MCU == OPT_MCU_PIC32MM
+  IFS0CLR = _IFS0_USBIF_MASK;
+#elif CFG_TUSB_MCU == OPT_MCU_PIC32MX
+  IFS1CLR = _IFS1_USBIF_MASK;
+#elif CFG_TUSB_MCU == OPT_MCU_PIC32MK
+  if (rhport == 0)
+    IFS1CLR = _IFS1_USB1IF_MASK;
+  else
+    IFS7CLR = _IFS7_USB2IF_MASK;
+#elif (CFG_TUSB_MCU == OPT_MCU_PIC24) || (CFG_TUSB_MCU == OPT_MCU_DSPIC33)
+  IFS5bits.USB1IF = 0;
+#endif
+}
+
+static void prepare_next_setup_packet(uint8_t rhport)
+{
+  const unsigned out_odd = _dcd.endpoint[0][0].odd;
+  const unsigned in_odd  = _dcd.endpoint[0][1].odd;
+  TU_ASSERT(0 == _dcd.bdt[0][0][out_odd].own, );
+
+  _dcd.bdt[0][0][out_odd].data     = 0;
+  _dcd.bdt[0][0][out_odd ^ 1].data = 1;
+  _dcd.bdt[0][1][in_odd].data      = 1;
+  _dcd.bdt[0][1][in_odd ^ 1].data  = 0;
+  dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_OUT),
+          _dcd.setup_packet, sizeof(_dcd.setup_packet));
+}
+
+static void process_stall(uint8_t rhport)
+{
+  for (int i = 0; i < 16; ++i) {
+    unsigned const endpt = ep_read(rhport, i);
+
+    if (endpt & _U1EP0_EPSTALL_MASK) {
+      // prepare next setup if endpoint0
+      if ( i == 0 ) prepare_next_setup_packet(rhport);
+
+      // clear stall bit
+      ep_clear(rhport, i, _U1EP0_EPSTALL_MASK);
+    }
+  }
+}
+
+static void process_tokdne(uint8_t rhport)
+{
+  ep_reg_t s = U1STAT;
+
+  U1IR = _U1IR_TRNIF_MASK;
+
+  uint8_t epnum = (s >> _U1STAT_ENDPT0_POSITION);
+  uint8_t dir   = (s & _U1STAT_DIR_MASK) >> _U1STAT_DIR_POSITION;
+  unsigned odd  = (s & _U1STAT_PPBI_MASK) ? 1 : 0;
+
+  buffer_descriptor_t *bd = (buffer_descriptor_t *)&_dcd.bda[s];
+  endpoint_state_t    *ep = &_dcd.endpoint_unified[s >> 3];
+
+  /* fetch pid before discarded by the next steps */
+  const unsigned pid = bd->tok_pid;
+
+  /* reset values for a next transfer */
+  bd->bdt_stall = 0;
+  bd->dts       = 1;
+  bd->ninc      = 0;
+  bd->keep      = 0;
+  /* update the odd variable to prepare for the next transfer */
+  ep->odd       = odd ^ 1;
+  if (pid == TOK_PID_SETUP) {
+    dcd_event_setup_received(rhport, (uint8_t *)PA_TO_KVA1(bd->addr), true);
+#if TU_PIC_INT_SIZE == 4
+    U1CONCLR = _U1CON_PKTDIS_TOKBUSY_MASK;
+#else
+    U1CONbits.PKTDIS = 0;
+#endif
+    return;
+  }
+
+  const unsigned bc = bd->bc;
+  const unsigned remaining = ep->remaining - bc;
+  if (remaining && bc == ep->max_packet_size) {
+    /* continue the transferring consecutive data */
+    ep->remaining = remaining;
+    const int next_remaining = remaining - ep->max_packet_size;
+    if (next_remaining > 0) {
+      /* prepare to the after next transfer */
+      bd->addr += ep->max_packet_size * 2;
+      bd->bc    = next_remaining > ep->max_packet_size ? ep->max_packet_size: next_remaining;
+      bd->own   = 1; /* the own bit must set after addr */
+    }
+    return;
+  }
+  const unsigned length = ep->length;
+  dcd_event_xfer_complete(rhport,
+        tu_edpt_addr(epnum, dir),
+        length - remaining, XFER_RESULT_SUCCESS, true);
+  if (0 == epnum && 0 == length) {
+    /* After completion a ZLP of control transfer,
+     * it prepares for the next steup transfer. */
+    if (_dcd.addr) {
+      /* When the transfer was the SetAddress,
+       * the device address should be updated here. */
+      U1ADDR = _dcd.addr;
+      _dcd.addr  = 0;
+    }
+    prepare_next_setup_packet(rhport);
+  }
+}
+
+static void process_bus_reset(uint8_t rhport)
+{
+#if TU_PIC_INT_SIZE == 4
+  U1PWRCCLR = _U1PWRC_USUSPEND_MASK;
+  U1CONSET = _U1CON_PPBRST_MASK;
+#else
+  U1PWRCbits.USUSPND = 0;
+  U1CONbits.PPBRST = 1;
+#endif
+  U1ADDR = 0;
+
+  U1IE = _U1IE_URSTIE_MASK | _U1IE_TRNIE_MASK | _U1IE_IDLEIE_MASK |
+         _U1IE_UERRIE_MASK | _U1IE_STALLIE_MASK;
+
+  U1EP0 = _U1EP0_EPHSHK_MASK | _U1EP0_EPRXEN_MASK | _U1EP0_EPTXEN_MASK;
+
+  for (unsigned i = 1; i < 16; ++i) {
+    ep_write(rhport, i, 0);
+  }
+
+  buffer_descriptor_t *bd = _dcd.bdt[0][0];
+  for (unsigned i = 0; i < sizeof(_dcd.bdt)/sizeof(*bd); ++i, ++bd) {
+    bd->head = 0;
+  }
+  const endpoint_state_t ep0 = {
+    .max_packet_size = CFG_TUD_ENDPOINT0_SIZE,
+    .odd             = 0,
+    .length          = 0,
+    .remaining       = 0,
+  };
+  _dcd.endpoint[0][0] = ep0;
+  _dcd.endpoint[0][1] = ep0;
+  tu_memclr(_dcd.endpoint[1], sizeof(_dcd.endpoint) - sizeof(_dcd.endpoint[0]));
+  _dcd.addr = 0;
+  prepare_next_setup_packet(rhport);
+#if TU_PIC_INT_SIZE == 4
+  U1CONCLR = _U1CON_PPBRST_MASK;
+#else
+  U1CONbits.PPBRST = 0;
+#endif
+  dcd_event_bus_reset(rhport, TUSB_SPEED_FULL, true);
+}
+
+static void process_bus_sleep(uint8_t rhport)
+{
+  // Enable resume & disable suspend interrupt
+  dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true);
+}
+
+static void process_bus_resume(uint8_t rhport)
+{
+  // Enable suspend & disable resume interrupt
+#if TU_PIC_INT_SIZE == 4
+  U1PWRCCLR = _U1PWRC_USUSPEND_MASK;
+  U1IECLR = _U1IE_RESUMEIE_MASK;
+  U1IESET = _U1IE_IDLEIE_MASK;
+#else
+  U1PWRCbits.USUSPND = 0;
+  U1IEbits.RESUMEIE = 0;
+  U1IEbits.IDLEIE = 1;
+#endif
+
+  dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
+}
+
+/*------------------------------------------------------------------*/
+/* Device API
+ *------------------------------------------------------------------*/
+void dcd_init(uint8_t rhport)
+{
+  intr_disable(rhport);
+  intr_clear(rhport);
+
+#if CFG_TUSB_MCU == OPT_MCU_PIC32MM
+  TRISBbits.TRISB6 = 1;
+#endif
+
+  tu_memclr(&_dcd, sizeof(_dcd));
+
+#if TU_PIC_INT_SIZE == 4
+  U1PWRCSET = _U1PWRC_USBPWR_MASK;
+#else
+  U1PWRCbits.USBPWR = 1;
+#endif
+
+#if TU_PIC_INT_SIZE == 4
+  uint32_t bdt_phys = KVA_TO_PA((uintptr_t)_dcd.bdt);
+
+  U1BDTP1 = (uint8_t)(bdt_phys >>  8);
+  U1BDTP2 = (uint8_t)(bdt_phys >> 16);
+  U1BDTP3 = (uint8_t)(bdt_phys >> 24);
+#else
+  U1BDTP1 = (uint8_t)((uint16_t)(void *)_dcd.bdt >> 8);
+
+  U1CNFG1bits.PPB = 2;
+#endif
+
+  U1IE = _U1IE_URSTIE_MASK;
+
+  dcd_connect(rhport);
+}
+
+void dcd_int_enable(uint8_t rhport)
+{
+  intr_enable(rhport);
+}
+
+void dcd_int_disable(uint8_t rhport)
+{
+  intr_disable(rhport);
+}
+
+void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
+{
+  _dcd.addr = dev_addr & 0x7F;
+  /* Response with status first before changing device address */
+  dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_IN), NULL, 0);
+}
+
+void dcd_remote_wakeup(uint8_t rhport)
+{
+#if TU_PIC_INT_SIZE == 4
+  U1CONSET = _U1CON_RESUME_MASK;
+#else
+  U1CONbits.RESUME = 1;
+#endif
+  unsigned cnt = 25000000 / 1000;
+  while (cnt--) asm volatile("nop");
+
+#if TU_PIC_INT_SIZE == 4
+  U1CONCLR = _U1CON_RESUME_MASK;
+#else
+  U1CONbits.RESUME = 0;
+#endif
+}
+
+void dcd_connect(uint8_t rhport)
+{
+  while (!U1CONbits.USBEN) {
+#if TU_PIC_INT_SIZE == 4
+    U1CONSET = _U1CON_USBEN_SOFEN_MASK;
+#else
+    U1CONbits.USBEN = 1;
+#endif
+  }
+}
+
+void dcd_disconnect(uint8_t rhport)
+{
+  U1CON = 0;
+}
+
+void dcd_sof_enable(uint8_t rhport, bool en)
+{
+  (void) rhport;
+  (void) en;
+}
+
+//--------------------------------------------------------------------+
+// Endpoint API
+//--------------------------------------------------------------------+
+bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
+{
+  const unsigned ep_addr  = ep_desc->bEndpointAddress;
+  const unsigned epn      = tu_edpt_number(ep_addr);
+  const unsigned dir      = tu_edpt_dir(ep_addr);
+  const unsigned xfer     = ep_desc->bmAttributes.xfer;
+  endpoint_state_t *ep    = &_dcd.endpoint[epn][dir];
+  const unsigned odd      = ep->odd;
+  buffer_descriptor_t *bd = _dcd.bdt[epn][dir];
+
+  /* No support for control transfer */
+  TU_ASSERT(epn && (xfer != TUSB_XFER_CONTROL));
+
+  ep->max_packet_size = tu_edpt_packet_size(ep_desc);
+
+
+  unsigned val = _U1EP0_EPCONDIS_MASK;
+  val |= (xfer != TUSB_XFER_ISOCHRONOUS) ? _U1EP0_EPHSHK_MASK : 0;
+  val |= dir ? _U1EP0_EPTXEN_MASK : _U1EP0_EPRXEN_MASK;
+
+  ep_reg_t tmp = ep_read(rhport, epn);
+  tmp |= val;
+  ep_write(rhport, epn, tmp);
+
+  if (xfer != TUSB_XFER_ISOCHRONOUS) {
+    bd[odd].dts      = 1;
+    bd[odd].data     = 0;
+    bd[odd ^ 1].dts  = 1;
+    bd[odd ^ 1].data = 1;
+  }
+
+  return true;
+}
+
+void dcd_edpt_close_all(uint8_t rhport)
+{
+  const unsigned ie = intr_is_enabled(rhport);
+  intr_disable(rhport);
+
+  for (unsigned i = 1; i < 16; ++i) {
+    ep_write(rhport, i, 0);
+  }
+
+  if (ie) intr_enable(rhport);
+
+  buffer_descriptor_t *bd = _dcd.bdt[1][0];
+  for (unsigned i = 2; i < sizeof(_dcd.bdt)/sizeof(*bd); ++i, ++bd) {
+    bd->head = 0;
+  }
+  endpoint_state_t *ep = &_dcd.endpoint[1][0];
+  for (unsigned i = 2; i < sizeof(_dcd.endpoint)/sizeof(*ep); ++i, ++ep) {
+    /* Clear except the odd */
+    ep->max_packet_size = 0;
+    ep->length          = 0;
+    ep->remaining       = 0;
+  }
+}
+
+void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
+{
+  const unsigned epn      = tu_edpt_number(ep_addr);
+  const unsigned dir      = tu_edpt_dir(ep_addr);
+  endpoint_state_t *ep    = &_dcd.endpoint[epn][dir];
+  buffer_descriptor_t *bd = _dcd.bdt[epn][dir];
+  const unsigned msk      = dir ? _U1EP0_EPTXEN_MASK : _U1EP0_EPRXEN_MASK;
+  const unsigned ie       = intr_is_enabled(rhport);
+
+  intr_disable(rhport);
+
+  ep_clear(rhport, epn, msk);
+
+  ep->max_packet_size = 0;
+  ep->length          = 0;
+  ep->remaining       = 0;
+  bd[0].head          = 0;
+  bd[1].head          = 0;
+
+  if (ie) intr_enable(rhport);
+}
+
+bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes)
+{
+
+  const unsigned epn      = tu_edpt_number(ep_addr);
+  const unsigned dir      = tu_edpt_dir(ep_addr);
+  endpoint_state_t    *ep = &_dcd.endpoint[epn][dir];
+  buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][ep->odd];
+  TU_ASSERT(0 == bd->own);
+
+  const unsigned ie       = intr_is_enabled(rhport);
+
+  intr_disable(rhport);
+
+  ep->length    = total_bytes;
+  ep->remaining = total_bytes;
+
+  const unsigned mps = ep->max_packet_size;
+  if (total_bytes > mps) {
+    buffer_descriptor_t *next = ep->odd ? bd - 1: bd + 1;
+    /* When total_bytes is greater than the max packet size,
+     * it prepares to the next transfer to avoid NAK in advance. */
+    next->bc   = total_bytes >= 2 * mps ? mps: total_bytes - mps;
+    next->addr = (uint8_t *)KVA_TO_PA(buffer + mps);
+    next->own  = 1;
+  }
+  bd->bc   = total_bytes >= mps ? mps: total_bytes;
+  bd->addr = (uint8_t *)KVA_TO_PA(buffer);
+  bd->own  = 1; /* This bit must be set last */
+
+  if (ie) intr_enable(rhport);
+
+  return true;
+}
+
+void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
+{
+  (void) rhport;
+  const unsigned epn = tu_edpt_number(ep_addr);
+
+  if (0 == epn) {
+    ep_set(rhport, epn, _U1EP0_EPSTALL_MASK);
+  } else {
+    const unsigned dir      = tu_edpt_dir(ep_addr);
+    const unsigned odd      = _dcd.endpoint[epn][dir].odd;
+    buffer_descriptor_t *bd = &_dcd.bdt[epn][dir][odd];
+    TU_ASSERT(0 == bd->own,);
+
+    const unsigned ie       = intr_is_enabled(rhport);
+
+    intr_disable(rhport);
+
+    bd->bdt_stall = 1;
+    bd->own       = 1; /* This bit must be set last */
+
+    if (ie) intr_enable(rhport);
+  }
+}
+
+void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
+{
+  const unsigned epn      = tu_edpt_number(ep_addr);
+  TU_VERIFY(epn,);
+  const unsigned dir      = tu_edpt_dir(ep_addr);
+  const unsigned odd      = _dcd.endpoint[epn][dir].odd;
+  buffer_descriptor_t *bd = _dcd.bdt[epn][dir];
+  TU_VERIFY(bd[odd].own,);
+
+  const unsigned ie       = intr_is_enabled(rhport);
+
+  intr_disable(rhport);
+
+  bd[odd].own = 0;
+
+  // clear stall
+  bd[odd].bdt_stall  = 0;
+
+  // Reset data toggle
+  bd[odd    ].data = 0;
+  bd[odd ^ 1].data = 1;
+
+  // We already cleared this in ISR, but just clear it here to be safe
+  const unsigned endpt = ep_read(rhport, epn);
+  if (endpt & _U1EP0_EPSTALL_MASK) {
+    ep_clear(rhport, endpt, _U1EP0_EPSTALL_MASK);
+  }
+
+  if (ie) intr_enable(rhport);
+}
+
+//--------------------------------------------------------------------+
+// ISR
+//--------------------------------------------------------------------+
+void dcd_int_handler(uint8_t rhport)
+{
+  uint32_t is  = U1IR;
+  uint32_t msk = U1IE;
+
+  U1IR = is & ~msk;
+  is &= msk;
+
+  if (is & _U1IR_UERRIF_MASK) {
+    uint32_t es = U1EIR;
+    U1EIR = es;
+    U1IR   = is; /* discard any pending events */
+  }
+
+  if (is & _U1IR_URSTIF_MASK) {
+    U1IR = is; /* discard any pending events */
+    process_bus_reset(rhport);
+  }
+
+  if (is & _U1IR_IDLEIF_MASK) {
+    // Note Host usually has extra delay after bus reset (without SOF), which could falsely
+    // detected as Sleep event. Though usbd has debouncing logic so we are good
+    U1IR = _U1IR_IDLEIF_MASK;
+    process_bus_sleep(rhport);
+  }
+
+  if (is & _U1IR_RESUMEIF_MASK) {
+    U1IR = _U1IR_RESUMEIF_MASK;
+    process_bus_resume(rhport);
+  }
+
+  if (is & _U1IR_SOFIF_MASK) {
+    U1IR = _U1IR_SOFIF_MASK;
+    dcd_event_bus_signal(rhport, DCD_EVENT_SOF, true);
+  }
+
+  if (is & _U1IR_STALLIF_MASK) {
+    U1IR = _U1IR_STALLIF_MASK;
+    process_stall(rhport);
+  }
+
+  if (is & _U1IR_TRNIF_MASK) {
+    process_tokdne(rhport);
+  }
+
+  intr_clear(rhport);
+}
+
+#endif
diff --git a/src/portable/microchip/pic32mz/usbhs_registers.h b/src/portable/microchip/pic32mz/usbhs_registers.h
index 757e3f083..03fe78bbd 100644
--- a/src/portable/microchip/pic32mz/usbhs_registers.h
+++ b/src/portable/microchip/pic32mz/usbhs_registers.h
@@ -21,16 +21,16 @@
 * THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE.
 *******************************************************************************/
 /*******************************************************************************
-  USBHS Peripheral Library Register Defintions 
+  USBHS Peripheral Library Register Definitions
 
   File Name:
     usbhs_registers.h
 
   Summary:
-    USBHS PLIB Register Defintions
+    USBHS PLIB Register Definitions
 
   Description:
-    This file contains the constants and defintions which are required by the
+    This file contains the constants and definitions which are required by the
     the USBHS library.
 *******************************************************************************/
 
@@ -50,16 +50,16 @@
 #define USBHS_REG_INTRRX        0x004
 #define USBHS_REG_INTRTXE       0x006
 #define USBHS_REG_INTRRXE       0x008
-#define USBHS_REG_INTRUSB       0x00A 
-#define USBHS_REG_INTRUSBE      0x00B 
+#define USBHS_REG_INTRUSB       0x00A
+#define USBHS_REG_INTRUSBE      0x00B
 #define USBHS_REG_FRAME         0x00C
 #define USBHS_REG_INDEX         0x00E
 #define USBHS_REG_TESTMODE      0x00F
 
 /*******************************************************
- * Endpoint Control Status Registers (CSR). These values 
+ * Endpoint Control Status Registers (CSR). These values
  * should be added to either the 0x10 to access the
- * register through Indexed CSR. To access the actual 
+ * register through Indexed CSR. To access the actual
  * CSR, see ahead in this header file.
  ******************************************************/
 
@@ -99,20 +99,20 @@
 #define USBHS_EP_DEVICE_RX_SEND_STALL 0x20
 
 /* FADDR - Device Function Address */
-typedef union 
+typedef union
 {
-    struct __attribute__((packed)) 
+    struct __attribute__((packed))
     {
         unsigned FUNC:7;
         unsigned :1;
     };
 
-    uint8_t w;  
+    uint8_t w;
 
 } __USBHS_FADDR_t;
 
 /* POWER - Control Resume and Suspend signalling */
-typedef union 
+typedef union
 {
     struct __attribute__((packed))
     {
@@ -126,14 +126,14 @@ typedef union
         unsigned ISOUPD:1;
     };
     struct
-    {   
+    {
         uint8_t w;
     };
 
 } __USBHS_POWER_t;
 
 /* INTRTXE - Transmit endpoint interrupt enable */
-typedef union 
+typedef union
 {
     struct __attribute__((packed))
     {
@@ -155,7 +155,7 @@ typedef union
 } __USBHS_INTRTXE_t;
 
 /* INTRRXE - Receive endpoint interrupt enable */
-typedef union 
+typedef union
 {
     struct __attribute__((packed))
     {
@@ -198,7 +198,7 @@ typedef union
 } __USBHS_INTRUSBE_t;
 
 /* FRAME - Frame number */
-typedef union 
+typedef union
 {
     struct __attribute__((packed))
     {
@@ -213,7 +213,7 @@ typedef union
 } __USBHS_FRAME_t;
 
 /* INDEX - Endpoint index */
-typedef union 
+typedef union
 {
     struct __attribute__((packed))
     {
@@ -228,7 +228,7 @@ typedef union
 } __USBHS_INDEX_t;
 
 /* TESTMODE - Test mode register */
-typedef union 
+typedef union
 {
     struct __attribute__((packed))
     {
@@ -248,7 +248,7 @@ typedef union
 
 } __USBHS_TESTMODE_t;
 
-/* COUNT0 - Indicates the amount of data received in endpoint 0 */ 
+/* COUNT0 - Indicates the amount of data received in endpoint 0 */
 typedef union
 {
     struct __attribute__((packed))
@@ -627,7 +627,7 @@ typedef union
     };
     uint16_t w;
 
-} __USBHS_TXMAXP_t;  
+} __USBHS_TXMAXP_t;
 
 /* TXFIFOSZ - Size of the transmit endpoint FIFO */
 typedef struct __attribute__((packed))
@@ -781,7 +781,7 @@ typedef union
 
 } __USBHS_DMACNTL_t;
 
-/* Endpoint Control and Status Register Set */    
+/* Endpoint Control and Status Register Set */
 typedef struct __attribute__((packed))
 {
     volatile __USBHS_TXMAXP_t TXMAXPbits;
@@ -906,7 +906,7 @@ typedef struct __attribute__((aligned(4),packed))
 
     volatile __USBHS_TXFIFOADD_t   TXFIFOADDbits;
     volatile __USBHS_RXFIFOADD_t   RXFIFOADDbits;
-    
+
     volatile uint32_t   VCONTROL;
     volatile uint16_t   HWVERS;
     volatile uint8_t    padding1[10];
@@ -923,7 +923,7 @@ typedef struct __attribute__((aligned(4),packed))
     volatile __USBHS_TARGET_ADDR_t  TADDR[16];
     volatile __USBHS_EPCSR_t        EPCSR[16];
     volatile uint32_t               DMA_INTR;
-    volatile __USBHS_DMA_CHANNEL_t  DMA_CHANNEL[8]; 
+    volatile __USBHS_DMA_CHANNEL_t  DMA_CHANNEL[8];
     volatile uint32_t               RQPKTXOUNT[16];
 
 } usbhs_registers_t;
diff --git a/src/portable/microchip/samd/dcd_samd.c b/src/portable/microchip/samd/dcd_samd.c
index 22fe32407..976d3dfd0 100644
--- a/src/portable/microchip/samd/dcd_samd.c
+++ b/src/portable/microchip/samd/dcd_samd.c
@@ -222,14 +222,14 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
   UsbDeviceDescBank* bank = &sram_registers[epnum][dir];
   uint32_t size_value = 0;
   while (size_value < 7) {
-    if (1 << (size_value + 3) == tu_edpt_packet_size(desc_edpt)) {
+    if (1 << (size_value + 3) >= tu_edpt_packet_size(desc_edpt)) {
       break;
     }
     size_value++;
   }
 
   // unsupported endpoint size
-  if ( size_value == 7 && tu_edpt_packet_size(desc_edpt) != 1023 ) return false;
+  if ( size_value == 7 && tu_edpt_packet_size(desc_edpt) > 1023 ) return false;
 
   bank->PCKSIZE.bit.SIZE = size_value;
 
diff --git a/src/portable/microchip/samg/dcd_samg.c b/src/portable/microchip/samg/dcd_samg.c
index 814e680fb..e3fa51e31 100644
--- a/src/portable/microchip/samg/dcd_samg.c
+++ b/src/portable/microchip/samg/dcd_samg.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2018, hathach (tinyusb.org)
diff --git a/src/portable/microchip/samx7x/common_usb_regs.h b/src/portable/microchip/samx7x/common_usb_regs.h
index d232f0bcb..db4a81e0e 100644
--- a/src/portable/microchip/samx7x/common_usb_regs.h
+++ b/src/portable/microchip/samx7x/common_usb_regs.h
@@ -2007,7 +2007,7 @@
 
 /** \brief DEVDMA hardware registers */
 typedef struct
-{  
+{
   __IO uint32_t DEVDMANXTDSC; /**< (DEVDMA Offset: 0x00) Device DMA Channel Next Descriptor Address Register */
   __IO uint32_t DEVDMAADDRESS; /**< (DEVDMA Offset: 0x04) Device DMA Channel Address Register */
   __IO uint32_t DEVDMACONTROL; /**< (DEVDMA Offset: 0x08) Device DMA Channel Control Register */
@@ -2016,7 +2016,7 @@ typedef struct
 
 /** \brief HSTDMA hardware registers */
 typedef struct
-{  
+{
   __IO uint32_t HSTDMANXTDSC; /**< (HSTDMA Offset: 0x00) Host DMA Channel Next Descriptor Address Register */
   __IO uint32_t HSTDMAADDRESS; /**< (HSTDMA Offset: 0x04) Host DMA Channel Address Register */
   __IO uint32_t HSTDMACONTROL; /**< (HSTDMA Offset: 0x08) Host DMA Channel Control Register */
@@ -2025,7 +2025,7 @@ typedef struct
 
 /** \brief USBHS hardware registers */
 typedef struct
-{  
+{
   __IO uint32_t DEVCTRL;  /**< (USBHS Offset: 0x00) Device General Control Register */
   __I  uint32_t DEVISR;   /**< (USBHS Offset: 0x04) Device Global Interrupt Status Register */
   __O  uint32_t DEVICR;   /**< (USBHS Offset: 0x08) Device Global Interrupt Clear Register */
diff --git a/src/portable/microchip/samx7x/dcd_samx7x.c b/src/portable/microchip/samx7x/dcd_samx7x.c
index 7507c0f69..2bbb345d6 100644
--- a/src/portable/microchip/samx7x/dcd_samx7x.c
+++ b/src/portable/microchip/samx7x/dcd_samx7x.c
@@ -42,7 +42,7 @@
 #  define USE_SOF         0
 #endif
 
-// Dual bank can imporve performance, but need 2 times bigger packet buffer
+// Dual bank can improve performance, but need 2 times bigger packet buffer
 // As SAM7x has only 4KB packet buffer, use with caution !
 // Enable in FS mode as packets are smaller
 #ifndef USE_DUAL_BANK
@@ -241,7 +241,7 @@ static void dcd_ep_handler(uint8_t ep_ix)
     if (int_status & DEVEPTISR_RXOUTI)
     {
       uint8_t *ptr = EP_GET_FIFO_PTR(0,8);
-      
+
       if (count && xfer->total_len)
       {
         uint16_t remain = xfer->total_len - xfer->queued_len;
@@ -252,7 +252,7 @@ static void dcd_ep_handler(uint8_t ep_ix)
         if (xfer->buffer)
         {
           memcpy(xfer->buffer + xfer->queued_len, ptr, count);
-        } else 
+        } else
         {
           tu_fifo_write_n(xfer->fifo, ptr, count);
         }
@@ -281,7 +281,7 @@ static void dcd_ep_handler(uint8_t ep_ix)
       {
         // TX not complete
         dcd_transmit_packet(xfer, 0);
-      } else 
+      } else
       {
         // TX complete
         dcd_event_xfer_complete(0, 0x80 + 0, xfer->total_len, XFER_RESULT_SUCCESS, true);
@@ -292,7 +292,7 @@ static void dcd_ep_handler(uint8_t ep_ix)
         }
       }
     }
-  } else 
+  } else
   {
     if (int_status & DEVEPTISR_RXOUTI)
     {
@@ -333,7 +333,7 @@ static void dcd_ep_handler(uint8_t ep_ix)
       {
         // TX not complete
         dcd_transmit_packet(xfer, ep_ix);
-      } else 
+      } else
       {
         // TX complete
         dcd_event_xfer_complete(0, 0x80 + ep_ix, xfer->total_len, XFER_RESULT_SUCCESS, true);
@@ -359,7 +359,7 @@ static void dcd_dma_handler(uint8_t ep_ix)
   if(USB_REG->DEVEPTCFG[ep_ix] & DEVEPTCFG_EPDIR)
   {
     dcd_event_xfer_complete(0, 0x80 + ep_ix, count, XFER_RESULT_SUCCESS, true);
-  } else 
+  } else
   {
     dcd_event_xfer_complete(0, ep_ix, count, XFER_RESULT_SUCCESS, true);
   }
@@ -507,12 +507,12 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
       // Enable Endpoint 0 Interrupts
       USB_REG->DEVIER = DEVIER_PEP_0;
       return true;
-    } else 
+    } else
     {
       // Endpoint configuration is not successful
       return false;
     }
-  } else 
+  } else
   {
     // Enable the endpoint
     USB_REG->DEVEPT |= ((0x01 << epnum) << DEVEPT_EPEN0_Pos);
@@ -544,7 +544,7 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
     {
       USB_REG->DEVIER = ((0x01 << epnum) << DEVIER_PEP_0_Pos);
       return true;
-    } else 
+    } else
     {
       // Endpoint configuration is not successful
       return false;
@@ -583,7 +583,7 @@ static void dcd_transmit_packet(xfer_ctl_t * xfer, uint8_t ep_ix)
     {
       memcpy(ptr, xfer->buffer + xfer->queued_len, len);
     }
-    else 
+    else
     {
       tu_fifo_read_n(xfer->fifo, ptr, len);
     }
@@ -595,7 +595,7 @@ static void dcd_transmit_packet(xfer_ctl_t * xfer, uint8_t ep_ix)
   {
     // Control endpoint: clear the interrupt flag to send the data
     USB_REG->DEVEPTICR[0] = DEVEPTICR_TXINIC;
-  } else 
+  } else
   {
     // Other endpoint types: clear the FIFO control flag to send the data
     USB_REG->DEVEPTIDR[ep_ix] = DEVEPTIDR_FIFOCONC;
@@ -616,7 +616,7 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
   xfer->total_len = total_bytes;
   xfer->queued_len = 0;
   xfer->fifo = NULL;
-  
+
   if (EP_DMA_SUPPORT(epnum) && total_bytes != 0)
   {
     // Force the CPU to flush the buffer. We increase the size by 32 because the call aligns the
@@ -644,16 +644,16 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
     }
     __set_PRIMASK(irq_state);
 
-    // Here a ZLP has been recieved
+    // Here a ZLP has been received
     // and the DMA transfer must be not started.
     // It is the end of transfer
     return false;
-  } else 
+  } else
   {
     if (dir == TUSB_DIR_OUT)
     {
       USB_REG->DEVEPTIER[epnum] = DEVEPTIER_RXOUTES;
-    } else 
+    } else
     {
       dcd_transmit_packet(xfer,epnum);
     }
@@ -701,20 +701,20 @@ bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16
 
     // Clean invalidate cache of linear part
     CleanInValidateCache((uint32_t*) tu_align((uint32_t) info.ptr_lin, 4), info.len_lin + 31);
-    
+
     USB_REG->DEVDMA[epnum - 1].DEVDMAADDRESS = (uint32_t)info.ptr_lin;
     if (info.len_wrap)
     {
       // Clean invalidate cache of wrapped part
       CleanInValidateCache((uint32_t*) tu_align((uint32_t) info.ptr_wrap, 4), info.len_wrap + 31);
-      
+
       dma_desc[epnum - 1].next_desc = 0;
       dma_desc[epnum - 1].buff_addr = (uint32_t)info.ptr_wrap;
       dma_desc[epnum - 1].chnl_ctrl =
         udd_dma_ctrl_wrap | (info.len_wrap << DEVDMACONTROL_BUFF_LENGTH_Pos);
       // Clean cache of wrapped DMA descriptor
       CleanInValidateCache((uint32_t*)&dma_desc[epnum - 1], sizeof(dma_desc_t));
-      
+
       udd_dma_ctrl_lin |= DEVDMASTATUS_DESC_LDST;
       USB_REG->DEVDMA[epnum - 1].DEVDMANXTDSC = (uint32_t)&dma_desc[epnum - 1];
     } else {
@@ -734,7 +734,7 @@ bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16
     }
     __set_PRIMASK(irq_state);
 
-    // Here a ZLP has been recieved
+    // Here a ZLP has been received
     // and the DMA transfer must be not started.
     // It is the end of transfer
     return false;
@@ -743,7 +743,7 @@ bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16
     if (dir == TUSB_DIR_OUT)
     {
       USB_REG->DEVEPTIER[epnum] = DEVEPTIER_RXOUTES;
-    } else 
+    } else
     {
       dcd_transmit_packet(xfer,epnum);
     }
diff --git a/src/portable/nordic/nrf5x/dcd_nrf5x.c b/src/portable/nordic/nrf5x/dcd_nrf5x.c
index f213e9f9f..eee5686f4 100644
--- a/src/portable/nordic/nrf5x/dcd_nrf5x.c
+++ b/src/portable/nordic/nrf5x/dcd_nrf5x.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
@@ -170,7 +170,7 @@ static void xact_out_dma(uint8_t epnum)
   uint32_t xact_len;
 
   // DMA can't be active during read of SIZE.EPOUT or SIZE.ISOOUT, so try to lock,
-  // If already running deffer call regardless if it was called from ISR or task,
+  // If already running defer call regardless if it was called from ISR or task,
   if ( atomic_flag_test_and_set(&_dcd.dma_running) )
   {
     usbd_defer_func((osal_task_func_t)xact_out_dma_wrapper, (void *)(uint32_t)epnum, is_in_isr());
@@ -187,11 +187,16 @@ static void xact_out_dma(uint8_t epnum)
     }
     else
     {
-      // Trigger DMA move data from Endpoint -> SRAM
-      NRF_USBD->ISOOUT.PTR = (uint32_t) xfer->buffer;
-      NRF_USBD->ISOOUT.MAXCNT = xact_len;
+      if (xfer->started)
+      {
+        // Trigger DMA move data from Endpoint -> SRAM
+        NRF_USBD->ISOOUT.PTR = (uint32_t) xfer->buffer;
+        NRF_USBD->ISOOUT.MAXCNT = xact_len;
 
-      start_dma(&NRF_USBD->TASKS_STARTISOOUT);
+        start_dma(&NRF_USBD->TASKS_STARTISOOUT);
+      } else {
+        atomic_flag_clear(&_dcd.dma_running);
+      }
     }
   }
   else
@@ -765,7 +770,7 @@ void dcd_int_handler(uint8_t rhport)
     if ( tu_bit_test(int_status, USBD_INTEN_ENDEPOUT0_Pos+epnum))
     {
       xfer_td_t* xfer = get_td(epnum, TUSB_DIR_OUT);
-      uint8_t const xact_len = NRF_USBD->EPOUT[epnum].AMOUNT;
+      uint16_t const xact_len = NRF_USBD->EPOUT[epnum].AMOUNT;
 
       xfer->buffer     += xact_len;
       xfer->actual_len += xact_len;
diff --git a/src/portable/nuvoton/nuc120/dcd_nuc120.c b/src/portable/nuvoton/nuc120/dcd_nuc120.c
index 2fdc05f36..fb12122e0 100644
--- a/src/portable/nuvoton/nuc120/dcd_nuc120.c
+++ b/src/portable/nuvoton/nuc120/dcd_nuc120.c
@@ -27,9 +27,9 @@
 /*
   Theory of operation:
 
-  The NUC100/NUC120 USBD peripheral has six "EP"s, but each is simplex, 
-  so two collectively (peripheral nomenclature of "EP0" and "EP1") are needed to 
-  implement USB EP0.  PERIPH_EP0 and PERIPH_EP1 are used by this driver for 
+  The NUC100/NUC120 USBD peripheral has six "EP"s, but each is simplex,
+  so two collectively (peripheral nomenclature of "EP0" and "EP1") are needed to
+  implement USB EP0.  PERIPH_EP0 and PERIPH_EP1 are used by this driver for
   EP0_IN and EP0_OUT respectively.  This leaves up to four for user usage.
 */
 
diff --git a/src/portable/nuvoton/nuc121/dcd_nuc121.c b/src/portable/nuvoton/nuc121/dcd_nuc121.c
index a56b5f8e8..873b1b7ef 100644
--- a/src/portable/nuvoton/nuc121/dcd_nuc121.c
+++ b/src/portable/nuvoton/nuc121/dcd_nuc121.c
@@ -27,9 +27,9 @@
 /*
   Theory of operation:
 
-  The NUC121/NUC125/NUC126 USBD peripheral has eight "EP"s, but each is simplex, 
-  so two collectively (peripheral nomenclature of "EP0" and "EP1") are needed to 
-  implement USB EP0.  PERIPH_EP0 and PERIPH_EP1 are used by this driver for 
+  The NUC121/NUC125/NUC126 USBD peripheral has eight "EP"s, but each is simplex,
+  so two collectively (peripheral nomenclature of "EP0" and "EP1") are needed to
+  implement USB EP0.  PERIPH_EP0 and PERIPH_EP1 are used by this driver for
   EP0_IN and EP0_OUT respectively.  This leaves up to six for user usage.
 */
 
diff --git a/src/portable/nuvoton/nuc505/dcd_nuc505.c b/src/portable/nuvoton/nuc505/dcd_nuc505.c
index 886720e33..3a92c9794 100644
--- a/src/portable/nuvoton/nuc505/dcd_nuc505.c
+++ b/src/portable/nuvoton/nuc505/dcd_nuc505.c
@@ -27,9 +27,9 @@
 /*
   Theory of operation:
 
-  The NUC505 USBD peripheral has twelve "EP"s, where each is simplex, in addition 
+  The NUC505 USBD peripheral has twelve "EP"s, where each is simplex, in addition
   to dedicated support for the control endpoint (EP0).  The non-user endpoints
-  are referred to as "user" EPs in this code, and follow the datasheet 
+  are referred to as "user" EPs in this code, and follow the datasheet
   nomenclature of EPA through EPL.
 */
 
@@ -181,7 +181,7 @@ static void dcd_userEP_in_xfer(struct xfer_ctl_t *xfer, USBD_EP_T *ep)
     ep->EPINTEN = USBD_EPINTEN_TXPKIEN_Msk;
   }
 
-  /* provided buffers are thankfully 32-bit aligned, allowing most data to be transfered as 32-bit */
+  /* provided buffers are thankfully 32-bit aligned, allowing most data to be transferred as 32-bit */
 #if 0 // TODO support dcd_edpt_xfer_fifo API
   if (xfer->ff)
   {
@@ -389,7 +389,7 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t to
       while (total_bytes < USBD->CEPRXCNT);
       for (int count = 0; count < total_bytes; count++)
         *buffer++ = USBD->CEPDAT_BYTE;
-      
+
       dcd_event_xfer_complete(0, ep_addr, total_bytes, XFER_RESULT_SUCCESS, true);
     }
   }
diff --git a/src/portable/nxp/khci/dcd_khci.c b/src/portable/nxp/khci/dcd_khci.c
index 13eb105cd..b6daec3de 100644
--- a/src/portable/nxp/khci/dcd_khci.c
+++ b/src/portable/nxp/khci/dcd_khci.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2020 Koji Kitayama
@@ -296,7 +296,7 @@ void dcd_int_disable(uint8_t rhport)
 
 void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
 {
-  _dcd.addr = dev_addr & 0x7F; 
+  _dcd.addr = dev_addr & 0x7F;
   /* Response with status first before changing device address */
   dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_IN), NULL, 0);
 }
@@ -528,7 +528,7 @@ void dcd_int_handler(uint8_t rhport)
   if (is & USB_ISTAT_SLEEP_MASK) {
     // TU_LOG2("Suspend: "); TU_LOG2_HEX(is);
 
-    // Note Host usually has extra delay after bus reset (without SOF), which could falsely 
+    // Note Host usually has extra delay after bus reset (without SOF), which could falsely
     // detected as Sleep event. Though usbd has debouncing logic so we are good
     KHCI->ISTAT = USB_ISTAT_SLEEP_MASK;
     process_bus_sleep(rhport);
diff --git a/src/portable/nxp/khci/hcd_khci.c b/src/portable/nxp/khci/hcd_khci.c
index 0f5fa6275..35763f121 100644
--- a/src/portable/nxp/khci/hcd_khci.c
+++ b/src/portable/nxp/khci/hcd_khci.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2021 Koji Kitayama
@@ -414,7 +414,7 @@ void hcd_int_disable(uint8_t rhport)
 uint32_t hcd_frame_number(uint8_t rhport)
 {
   (void)rhport;
-  /* The device must be reset at least once after connection 
+  /* The device must be reset at least once after connection
    * in order to start the frame counter. */
   if (_hcd.need_reset) hcd_port_reset(rhport);
   uint32_t frmnum = KHCI->FRMNUML;
diff --git a/src/portable/nxp/lpc17_40/dcd_lpc17_40.c b/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
index 0894a5eeb..86149afd8 100644
--- a/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
+++ b/src/portable/nxp/lpc17_40/dcd_lpc17_40.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
diff --git a/src/portable/nxp/lpc17_40/dcd_lpc17_40.h b/src/portable/nxp/lpc17_40/dcd_lpc17_40.h
index 07daa32e4..654b80866 100644
--- a/src/portable/nxp/lpc17_40/dcd_lpc17_40.h
+++ b/src/portable/nxp/lpc17_40/dcd_lpc17_40.h
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
diff --git a/src/portable/nxp/lpc17_40/hcd_lpc17_40.c b/src/portable/nxp/lpc17_40/hcd_lpc17_40.c
index ad9ed59b4..372dcf51f 100644
--- a/src/portable/nxp/lpc17_40/hcd_lpc17_40.c
+++ b/src/portable/nxp/lpc17_40/hcd_lpc17_40.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019, Ha Thach (tinyusb.org)
@@ -44,4 +44,3 @@ void hcd_int_disable(uint8_t rhport)
 }
 
 #endif
-
diff --git a/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c b/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
index 09ebf3b0d..5368ef868 100644
--- a/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
+++ b/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
@@ -78,8 +78,10 @@ typedef struct {
 
 // Max nbytes for each control/bulk/interrupt transfer
 enum {
-  NBYTES_CBI_FULLSPEED_MAX = 64,
-  NBYTES_CBI_HIGHSPEED_MAX = 32767 // can be up to all 15-bit, but only tested with 4096
+  NBYTES_ISO_FS_MAX = 1023, // FS ISO
+  NBYTES_ISO_HS_MAX = 1024, // HS ISO
+  NBYTES_CBI_FS_MAX = 64, // FS control/bulk/interrupt
+  NBYTES_CBI_HS_MAX = 32767 // can be up to all 15-bit, but only tested with 4096
 };
 
 enum {
@@ -112,6 +114,8 @@ enum {
 typedef union TU_ATTR_PACKED
 {
   // Full and High speed has different bit layout for buffer_offset and nbytes
+  // TODO FS/HS layout depends on the max speed of controller e.g
+  // lpc55s69 PORT0 is only FS but actually has the same layout as HS on port1
 
   // Buffer (aligned 64) = DATABUFSTART [31:22]  | buffer_offset [21:6]
   volatile struct {
@@ -135,7 +139,7 @@ typedef union TU_ATTR_PACKED
     uint32_t stall        : 1 ;
     uint32_t disable      : 1 ;
     uint32_t active       : 1 ;
-  };
+  } cmd_sts;
 }ep_cmd_sts_t;
 
 TU_VERIFY_STATIC( sizeof(ep_cmd_sts_t) == 4, "size is not correct" );
@@ -175,6 +179,9 @@ typedef struct
 //    Use CFG_TUSB_MEM_SECTION to place it accordingly.
 CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(256) static dcd_data_t _dcd;
 
+// Dummy buffer to fix ZLPs overwriting the buffer (probably an USB/DMA controller bug)
+CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(64) static uint8_t dummy[8];
+
 //--------------------------------------------------------------------+
 // Multiple Controllers
 //--------------------------------------------------------------------+
@@ -225,8 +232,36 @@ static inline uint8_t ep_addr2id(uint8_t ep_addr)
 //--------------------------------------------------------------------+
 // CONTROLLER API
 //--------------------------------------------------------------------+
+
+static void prepare_setup_packet(uint8_t rhport)
+{
+  if (_dcd_controller[rhport].max_speed == TUSB_SPEED_FULL )
+  {
+    _dcd.ep[0][1].buffer_fs.offset = get_buf_offset(_dcd.setup_packet);
+  }else
+  {
+    _dcd.ep[0][1].buffer_hs.offset = get_buf_offset(_dcd.setup_packet);
+  }
+}
+
+static void edpt_reset(uint8_t rhport, uint8_t ep_id)
+{
+  (void) rhport;
+  tu_memclr(&_dcd.ep[ep_id], sizeof(_dcd.ep[ep_id]));
+}
+
+static void edpt_reset_all(uint8_t rhport)
+{
+  for (uint8_t ep_id = 0; ep_id < 2*_dcd_controller[rhport].ep_pairs; ++ep_id)
+  {
+    edpt_reset(rhport, ep_id);
+  }
+  prepare_setup_packet(rhport);
+}
 void dcd_init(uint8_t rhport)
 {
+  edpt_reset_all(rhport);
+
   dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
 
   dcd_reg->EPLISTSTART  = (uint32_t) _dcd.ep;
@@ -294,7 +329,7 @@ void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
 
   // TODO cannot able to STALL Control OUT endpoint !!!!! FIXME try some walk-around
   uint8_t const ep_id = ep_addr2id(ep_addr);
-  _dcd.ep[ep_id][0].stall = 1;
+  _dcd.ep[ep_id][0].cmd_sts.stall = 1;
 }
 
 void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
@@ -303,26 +338,21 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
 
   uint8_t const ep_id = ep_addr2id(ep_addr);
 
-  _dcd.ep[ep_id][0].stall        = 0;
-  _dcd.ep[ep_id][0].toggle_reset = 1;
-  _dcd.ep[ep_id][0].toggle_mode  = 0;
+  _dcd.ep[ep_id][0].cmd_sts.stall        = 0;
+  _dcd.ep[ep_id][0].cmd_sts.toggle_reset = 1;
+  _dcd.ep[ep_id][0].cmd_sts.toggle_mode  = 0;
 }
 
 bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
 {
-  (void) rhport;
-
-  // TODO not support ISO yet
-  TU_VERIFY(p_endpoint_desc->bmAttributes.xfer != TUSB_XFER_ISOCHRONOUS);
-
   //------------- Prepare Queue Head -------------//
   uint8_t ep_id = ep_addr2id(p_endpoint_desc->bEndpointAddress);
 
   // Check if endpoint is available
-  TU_ASSERT( _dcd.ep[ep_id][0].disable && _dcd.ep[ep_id][1].disable );
+  TU_ASSERT( _dcd.ep[ep_id][0].cmd_sts.disable && _dcd.ep[ep_id][1].cmd_sts.disable );
 
-  tu_memclr(_dcd.ep[ep_id], 2*sizeof(ep_cmd_sts_t));
-  _dcd.ep[ep_id][0].is_iso = (p_endpoint_desc->bmAttributes.xfer == TUSB_XFER_ISOCHRONOUS);
+  edpt_reset(rhport, ep_id);
+  _dcd.ep[ep_id][0].cmd_sts.is_iso = (p_endpoint_desc->bmAttributes.xfer == TUSB_XFER_ISOCHRONOUS);
 
   // Enable EP interrupt
   dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
@@ -333,19 +363,20 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
 
 void dcd_edpt_close_all (uint8_t rhport)
 {
-  (void) rhport;
-  // TODO implement dcd_edpt_close_all()
+  for (uint8_t ep_id = 0; ep_id < 2*_dcd_controller[rhport].ep_pairs; ++ep_id)
+  {
+    _dcd.ep[ep_id][0].cmd_sts.active = _dcd.ep[ep_id][0].cmd_sts.active = 0; // TODO proper way is to EPSKIP then wait ep[][].active then write ep[][].disable (see table 778 in LPC55S69 Use Manual)
+    _dcd.ep[ep_id][0].cmd_sts.disable = _dcd.ep[ep_id][1].cmd_sts.disable = 1;
+  }
 }
 
-static void prepare_setup_packet(uint8_t rhport)
+void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
 {
-  if (_dcd_controller[rhport].max_speed == TUSB_SPEED_FULL )
-  {
-    _dcd.ep[0][1].buffer_fs.offset = get_buf_offset(_dcd.setup_packet);;
-  }else
-  {
-    _dcd.ep[0][1].buffer_hs.offset = get_buf_offset(_dcd.setup_packet);;
-  }
+  (void) rhport;
+
+  uint8_t ep_id = ep_addr2id(ep_addr);
+  _dcd.ep[ep_id][0].cmd_sts.active = _dcd.ep[ep_id][0].cmd_sts.active = 0; // TODO proper way is to EPSKIP then wait ep[][].active then write ep[][].disable (see table 778 in LPC55S69 Use Manual)
+  _dcd.ep[ep_id][0].cmd_sts.disable = _dcd.ep[ep_id][1].cmd_sts.disable = 1;
 }
 
 static void prepare_ep_xfer(uint8_t rhport, uint8_t ep_id, uint16_t buf_offset, uint16_t total_bytes)
@@ -354,31 +385,36 @@ static void prepare_ep_xfer(uint8_t rhport, uint8_t ep_id, uint16_t buf_offset,
 
   if (_dcd_controller[rhport].max_speed == TUSB_SPEED_FULL )
   {
-    // TODO ISO FullSpeed can have up to 1023 bytes
-    nbytes = tu_min16(total_bytes, NBYTES_CBI_FULLSPEED_MAX);
+    nbytes = tu_min16(total_bytes, _dcd.ep[ep_id][0].cmd_sts.is_iso ? NBYTES_ISO_FS_MAX : NBYTES_CBI_FS_MAX);
     _dcd.ep[ep_id][0].buffer_fs.offset = buf_offset;
     _dcd.ep[ep_id][0].buffer_fs.nbytes = nbytes;
   }else
   {
-    nbytes = tu_min16(total_bytes, NBYTES_CBI_HIGHSPEED_MAX);
+    nbytes = tu_min16(total_bytes, NBYTES_CBI_HS_MAX);
     _dcd.ep[ep_id][0].buffer_hs.offset = buf_offset;
     _dcd.ep[ep_id][0].buffer_hs.nbytes = nbytes;
   }
 
   _dcd.dma[ep_id].nbytes = nbytes;
 
-  _dcd.ep[ep_id][0].active = 1;
+  _dcd.ep[ep_id][0].cmd_sts.active = 1;
 }
 
 bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes)
 {
-  (void) rhport;
-
   uint8_t const ep_id = ep_addr2id(ep_addr);
 
   tu_memclr(&_dcd.dma[ep_id], sizeof(xfer_dma_t));
   _dcd.dma[ep_id].total_bytes = total_bytes;
 
+  if (!buffer)
+  {
+    // Although having no data, ZLPs can cause buffer overwritten to zeroes.
+    // Probably due to USB/DMA controller side effect/bug.
+    // Assigned buffer offset to (valid) dummy to prevent overwriting to DATABUFSTART
+    buffer = (uint8_t*)(uint32_t)dummy;
+  }
+
   prepare_ep_xfer(rhport, ep_id, get_buf_offset(buffer), total_bytes);
 
   return true;
@@ -390,15 +426,14 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t to
 static void bus_reset(uint8_t rhport)
 {
   tu_memclr(&_dcd, sizeof(dcd_data_t));
+  edpt_reset_all(rhport);
 
-  // disable all non-control endpoints on bus reset
-  for(uint8_t ep_id = 2; ep_id < 2*MAX_EP_PAIRS; ep_id++)
+  // disable all endpoints as specified by LPC55S69 UM Table 778
+  for(uint8_t ep_id = 0; ep_id < 2*MAX_EP_PAIRS; ep_id++)
   {
-    _dcd.ep[ep_id][0].disable = _dcd.ep[ep_id][1].disable = 1;
+    _dcd.ep[ep_id][0].cmd_sts.disable = _dcd.ep[ep_id][1].cmd_sts.disable = 1;
   }
 
-  prepare_setup_packet(rhport);
-
   dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
 
   dcd_reg->EPINUSE      = 0;
@@ -424,7 +459,7 @@ static void process_xfer_isr(uint8_t rhport, uint32_t int_status)
       if ( ep_id == 0 || ep_id == 1)
       {
         // For control endpoint, we need to manually clear Active bit
-        ep_cs->active = 0;
+        ep_cs->cmd_sts.active = 0;
       }
 
       uint16_t buf_offset;
@@ -506,31 +541,23 @@ void dcd_int_handler(uint8_t rhport)
       }
     }
 
-    // TODO support suspend & resume
     if (cmd_stat & CMDSTAT_SUSPEND_CHANGE_MASK)
     {
-      if (cmd_stat & CMDSTAT_DEVICE_SUSPEND_MASK)
-      { // suspend signal, bus idle for more than 3ms
-        // Note: Host may delay more than 3 ms before and/or after bus reset before doing enumeration.
-        if (cmd_stat & CMDSTAT_DEVICE_ADDR_MASK)
-        {
-          dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true);
-        }
+      // suspend signal, bus idle for more than 3ms
+      // Note: Host may delay more than 3 ms before and/or after bus reset before doing enumeration.
+      if (cmd_stat & CMDSTAT_DEVICE_ADDR_MASK)
+      {
+        dcd_event_bus_signal(rhport, (cmd_stat & CMDSTAT_DEVICE_SUSPEND_MASK) ? DCD_EVENT_SUSPEND : DCD_EVENT_RESUME, true);
       }
     }
-//        else
-//      { // resume signal
-//    dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
-//      }
-//    }
   }
 
   // Setup Receive
   if ( tu_bit_test(int_status, 0) && (cmd_stat & CMDSTAT_SETUP_RECEIVED_MASK) )
   {
     // Follow UM flowchart to clear Active & Stall on both Control IN/OUT endpoints
-    _dcd.ep[0][0].active = _dcd.ep[1][0].active = 0;
-    _dcd.ep[0][0].stall = _dcd.ep[1][0].stall = 0;
+    _dcd.ep[0][0].cmd_sts.active = _dcd.ep[1][0].cmd_sts.active = 0;
+    _dcd.ep[0][0].cmd_sts.stall = _dcd.ep[1][0].cmd_sts.stall = 0;
 
     dcd_reg->DEVCMDSTAT |= CMDSTAT_SETUP_RECEIVED_MASK;
 
@@ -548,4 +575,3 @@ void dcd_int_handler(uint8_t rhport)
 }
 
 #endif
-
diff --git a/src/portable/nxp/transdimension/common_transdimension.h b/src/portable/nxp/transdimension/common_transdimension.h
index 69074de41..95ae1903e 100644
--- a/src/portable/nxp/transdimension/common_transdimension.h
+++ b/src/portable/nxp/transdimension/common_transdimension.h
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2021, Ha Thach (tinyusb.org)
diff --git a/src/portable/nxp/transdimension/dcd_transdimension.c b/src/portable/nxp/transdimension/dcd_transdimension.c
index 1f27a6872..983d7cfcf 100644
--- a/src/portable/nxp/transdimension/dcd_transdimension.c
+++ b/src/portable/nxp/transdimension/dcd_transdimension.c
@@ -569,7 +569,7 @@ static void process_edpt_complete_isr(uint8_t rhport, uint8_t epnum, uint8_t dir
       tu_fifo_advance_write_pointer(p_qhd->ff, xferred_bytes);
     }
   }
-  
+
   // only number of bytes in the IOC qtd
   dcd_event_xfer_complete(rhport, tu_edpt_addr(epnum, dir), xferred_bytes, result, true);
 }
diff --git a/src/portable/nxp/transdimension/hcd_transdimension.c b/src/portable/nxp/transdimension/hcd_transdimension.c
index 392764ff6..0b3e9e4ef 100644
--- a/src/portable/nxp/transdimension/hcd_transdimension.c
+++ b/src/portable/nxp/transdimension/hcd_transdimension.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
diff --git a/src/portable/ohci/ohci.c b/src/portable/ohci/ohci.c
index 3e523ebc2..260804d3d 100644
--- a/src/portable/ohci/ohci.c
+++ b/src/portable/ohci/ohci.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
@@ -28,6 +28,10 @@
 
 #if CFG_TUH_ENABLED && defined(TUP_USBIP_OHCI)
 
+#ifndef TUP_OHCI_RHPORTS
+#error  OHCI is enabled, but TUP_OHCI_RHPORTS is not defined.
+#endif
+
 //--------------------------------------------------------------------+
 // INCLUDE
 //--------------------------------------------------------------------+
@@ -157,6 +161,21 @@ static void ed_list_remove_by_addr(ohci_ed_t * p_head, uint8_t dev_addr);
 //--------------------------------------------------------------------+
 // USBH-HCD API
 //--------------------------------------------------------------------+
+
+// If your system requires separation of virtual and physical memory, implement
+// tusb_app_virt_to_phys and tusb_app_virt_to_phys in your application.
+TU_ATTR_ALWAYS_INLINE static inline void *_phys_addr(void *virtual_address)
+{
+  if (tusb_app_virt_to_phys) return tusb_app_virt_to_phys(virtual_address);
+  return virtual_address;
+}
+
+TU_ATTR_ALWAYS_INLINE static inline void *_virt_addr(void *physical_address)
+{
+  if (tusb_app_phys_to_virt) return tusb_app_phys_to_virt(physical_address);
+  return physical_address;
+}
+
 // Initialization according to 5.1.1.4
 bool hcd_init(uint8_t rhport)
 {
@@ -165,22 +184,44 @@ bool hcd_init(uint8_t rhport)
   //------------- Data Structure init -------------//
   tu_memclr(&ohci_data, sizeof(ohci_data_t));
   for(uint8_t i=0; i<32; i++)
-  { // assign all interrupt pointes to period head ed
-    ohci_data.hcca.interrupt_table[i] = (uint32_t) &ohci_data.period_head_ed;
+  { // assign all interrupt pointers to period head ed
+    ohci_data.hcca.interrupt_table[i] = (uint32_t) _phys_addr(&ohci_data.period_head_ed);
   }
 
   ohci_data.control[0].ed.skip  = 1;
   ohci_data.bulk_head_ed.skip   = 1;
   ohci_data.period_head_ed.skip = 1;
 
+  //If OHCI hardware is in SMM mode, gain ownership (Ref OHCI spec 5.1.1.3.3)
+  if (OHCI_REG->control_bit.interrupt_routing == 1)
+  {
+    OHCI_REG->command_status_bit.ownership_change_request = 1;
+    while (OHCI_REG->control_bit.interrupt_routing == 1) {}
+  }
+
+  //If OHCI hardware has come from warm-boot, signal resume (Ref OHCI spec 5.1.1.3.4)
+  else if (OHCI_REG->control_bit.hc_functional_state != OHCI_CONTROL_FUNCSTATE_RESET &&
+           OHCI_REG->control_bit.hc_functional_state != OHCI_CONTROL_FUNCSTATE_OPERATIONAL)
+  {
+    //Wait 20 ms. (Ref Usb spec 7.1.7.7)
+    OHCI_REG->control_bit.hc_functional_state = OHCI_CONTROL_FUNCSTATE_RESUME;
+
+#if CFG_TUSB_OS != OPT_OS_NONE
+    // os_none implement task delay using usb frame counter which is not started yet
+    // therefore cause infinite delay.
+    // TODO find a way to delay in case of os none e.g __nop
+    osal_task_delay(20);
+#endif
+  }
+
   // reset controller
   OHCI_REG->command_status_bit.controller_reset = 1;
   while( OHCI_REG->command_status_bit.controller_reset ) {} // should not take longer than 10 us
 
   //------------- init ohci registers -------------//
-  OHCI_REG->control_head_ed = (uint32_t) &ohci_data.control[0].ed;
-  OHCI_REG->bulk_head_ed    = (uint32_t) &ohci_data.bulk_head_ed;
-  OHCI_REG->hcca            = (uint32_t) &ohci_data.hcca;
+  OHCI_REG->control_head_ed = (uint32_t) _phys_addr(&ohci_data.control[0].ed);
+  OHCI_REG->bulk_head_ed    = (uint32_t) _phys_addr(&ohci_data.bulk_head_ed);
+  OHCI_REG->hcca            = (uint32_t) _phys_addr(&ohci_data.hcca);
 
   OHCI_REG->interrupt_disable = OHCI_REG->interrupt_enable; // disable all interrupts
   OHCI_REG->interrupt_status  = OHCI_REG->interrupt_status; // clear current set bits
@@ -188,15 +229,21 @@ bool hcd_init(uint8_t rhport)
       OHCI_INT_UNRECOVERABLE_ERROR_MASK | OHCI_INT_FRAME_OVERFLOW_MASK | OHCI_INT_RHPORT_STATUS_CHANGE_MASK |
       OHCI_INT_MASTER_ENABLE_MASK;
 
-  OHCI_REG->control |= OHCI_CONTROL_CONTROL_BULK_RATIO | OHCI_CONTROL_LIST_CONTROL_ENABLE_MASK |
+  OHCI_REG->control = OHCI_CONTROL_CONTROL_BULK_RATIO | OHCI_CONTROL_LIST_CONTROL_ENABLE_MASK |
        OHCI_CONTROL_LIST_BULK_ENABLE_MASK | OHCI_CONTROL_LIST_PERIODIC_ENABLE_MASK; // TODO Isochronous
 
   OHCI_REG->frame_interval = (OHCI_FMINTERVAL_FSMPS << 16) | OHCI_FMINTERVAL_FI;
+  OHCI_REG->frame_interval ^= (1 << 31); //Must toggle when frame_interval is updated.
   OHCI_REG->periodic_start = (OHCI_FMINTERVAL_FI * 9) / 10; // Periodic start is 90% of frame interval
 
   OHCI_REG->control_bit.hc_functional_state = OHCI_CONTROL_FUNCSTATE_OPERATIONAL; // make HC's state to operational state TODO use this to suspend (save power)
   OHCI_REG->rh_status_bit.local_power_status_change = 1; // set global power for ports
 
+#if CFG_TUSB_OS != OPT_OS_NONE
+  // TODO as above delay
+  osal_task_delay(OHCI_REG->rh_descriptorA_bit.power_on_to_good_time * 2); // Wait POTG after power up
+#endif
+
   return true;
 }
 
@@ -212,8 +259,7 @@ uint32_t hcd_frame_number(uint8_t rhport)
 //--------------------------------------------------------------------+
 void hcd_port_reset(uint8_t hostid)
 {
-  (void) hostid;
-  OHCI_REG->rhport_status[0] = RHPORT_PORT_RESET_STATUS_MASK;
+  OHCI_REG->rhport_status[hostid] = RHPORT_PORT_RESET_STATUS_MASK;
 }
 
 void hcd_port_reset_end(uint8_t rhport)
@@ -223,14 +269,12 @@ void hcd_port_reset_end(uint8_t rhport)
 
 bool hcd_port_connect_status(uint8_t hostid)
 {
-  (void) hostid;
-  return OHCI_REG->rhport_status_bit[0].current_connect_status;
+  return OHCI_REG->rhport_status_bit[hostid].current_connect_status;
 }
 
 tusb_speed_t hcd_port_speed_get(uint8_t hostid)
 {
-  (void) hostid;
-  return OHCI_REG->rhport_status_bit[0].low_speed_device_attached ? TUSB_SPEED_LOW : TUSB_SPEED_FULL;
+  return OHCI_REG->rhport_status_bit[hostid].low_speed_device_attached ? TUSB_SPEED_LOW : TUSB_SPEED_FULL;
 }
 
 // endpoints are tied to an address, which only reclaim after a long delay when enumerating
@@ -308,8 +352,8 @@ static void gtd_init(ohci_gtd_t* p_td, uint8_t* data_ptr, uint16_t total_bytes)
   p_td->delay_interrupt        = OHCI_INT_ON_COMPLETE_NO;
   p_td->condition_code         = OHCI_CCODE_NOT_ACCESSED;
 
-  p_td->current_buffer_pointer = data_ptr;
-  p_td->buffer_end             = total_bytes ? (data_ptr + total_bytes-1) : data_ptr;
+  p_td->current_buffer_pointer = _phys_addr(data_ptr);
+  p_td->buffer_end             = total_bytes ? (_phys_addr(data_ptr + total_bytes - 1)) : (uint8_t *)p_td->current_buffer_pointer;
 }
 
 static ohci_ed_t * ed_from_addr(uint8_t dev_addr, uint8_t ep_addr)
@@ -345,7 +389,7 @@ static ohci_ed_t * ed_find_free(void)
 static void ed_list_insert(ohci_ed_t * p_pre, ohci_ed_t * p_ed)
 {
   p_ed->next = p_pre->next;
-  p_pre->next = (uint32_t) p_ed;
+  p_pre->next = (uint32_t) _phys_addr(p_ed);
 }
 
 static void ed_list_remove_by_addr(ohci_ed_t * p_head, uint8_t dev_addr)
@@ -354,20 +398,24 @@ static void ed_list_remove_by_addr(ohci_ed_t * p_head, uint8_t dev_addr)
 
   while( p_prev->next )
   {
-    ohci_ed_t* ed = (ohci_ed_t*) p_prev->next;
+    ohci_ed_t* ed = (ohci_ed_t*) _virt_addr((void *)p_prev->next);
 
     if (ed->dev_addr == dev_addr)
     {
-      // unlink ed
+      // Prevent Host Controller from processing this ED while we remove it
+      ed->skip = 1;
+
+      // unlink ed, will also move up p_prev
       p_prev->next = ed->next;
 
       // point the removed ED's next pointer to list head to make sure HC can always safely move away from this ED
-      ed->next = (uint32_t) p_head;
+      ed->next = (uint32_t) _phys_addr(p_head);
       ed->used = 0;
+      ed->skip = 0;
+    }else
+    {
+      p_prev = (ohci_ed_t*) _virt_addr((void *)p_prev->next);
     }
-
-    // check next valid since we could remove it
-    if (p_prev->next) p_prev = (ohci_ed_t*) p_prev->next;
   }
 }
 
@@ -386,11 +434,11 @@ static void td_insert_to_ed(ohci_ed_t* p_ed, ohci_gtd_t * p_gtd)
   // tail is always NULL
   if ( tu_align16(p_ed->td_head.address) == 0 )
   { // TD queue is empty --> head = TD
-    p_ed->td_head.address |= (uint32_t) p_gtd;
+    p_ed->td_head.address |= (uint32_t) _phys_addr(p_gtd);
   }
   else
   { // TODO currently only support queue up to 2 TD each endpoint at a time
-    ((ohci_gtd_t*) tu_align16(p_ed->td_head.address))->next = (uint32_t) p_gtd;
+    ((ohci_gtd_t*) tu_align16((uint32_t)_virt_addr((void *)p_ed->td_head.address)))->next = (uint32_t) _phys_addr(p_gtd);
   }
 }
 
@@ -443,10 +491,10 @@ bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet
   qtd->index           = dev_addr;
   qtd->pid             = PID_SETUP;
   qtd->data_toggle     = GTD_DT_DATA0;
-  qtd->delay_interrupt = 0;
+  qtd->delay_interrupt = OHCI_INT_ON_COMPLETE_YES;
 
   //------------- Attach TDs list to Control Endpoint -------------//
-  ed->td_head.address = (uint32_t) qtd;
+  ed->td_head.address = (uint32_t) _phys_addr(qtd);
 
   OHCI_REG->command_status_bit.control_list_filled = 1;
 
@@ -470,9 +518,9 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t *
     gtd->index           = dev_addr;
     gtd->pid             = dir ? PID_IN : PID_OUT;
     gtd->data_toggle     = GTD_DT_DATA1; // Both Data and Ack stage start with DATA1
-    gtd->delay_interrupt = 0;
+    gtd->delay_interrupt = OHCI_INT_ON_COMPLETE_YES;
 
-    ed->td_head.address = (uint32_t) gtd;
+    ed->td_head.address = (uint32_t) _phys_addr(gtd);
 
     OHCI_REG->command_status_bit.control_list_filled = 1;
   }else
@@ -484,7 +532,7 @@ bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t *
 
     gtd_init(gtd, buffer, buflen);
     gtd->index = ed-ohci_data.ed_pool;
-    gtd->delay_interrupt = 0;
+    gtd->delay_interrupt = OHCI_INT_ON_COMPLETE_YES;
 
     td_insert_to_ed(ed, gtd);
 
@@ -520,16 +568,17 @@ static ohci_td_item_t* list_reverse(ohci_td_item_t* td_head)
 
   while(td_head != NULL)
   {
+    td_head = _virt_addr(td_head);
     uint32_t next = td_head->next;
 
     // make current's item become reverse's first item
     td_head->next = (uint32_t) td_reverse_head;
-    td_reverse_head  = td_head;
+    td_reverse_head  = _phys_addr(td_head);
 
     td_head = (ohci_td_item_t*) next; // advance to next item
   }
 
-  return td_reverse_head;
+  return _virt_addr(td_reverse_head);
 }
 
 static inline bool gtd_is_control(ohci_gtd_t const * const p_qtd)
@@ -565,6 +614,7 @@ static void done_queue_isr(uint8_t hostid)
 
   // done head is written in reversed order of completion --> need to reverse the done queue first
   ohci_td_item_t* td_head = list_reverse ( (ohci_td_item_t*) tu_align16(ohci_data.hcca.done_head) );
+  ohci_data.hcca.done_head = 0;
 
   while( td_head != NULL )
   {
@@ -600,7 +650,7 @@ static void done_queue_isr(uint8_t hostid)
       hcd_event_xfer_complete(ed->dev_addr, tu_edpt_addr(ed->ep_number, dir), xferred_bytes, event, true);
     }
 
-    td_head = (ohci_td_item_t*) td_head->next;
+    td_head = (ohci_td_item_t*) _virt_addr((void *)td_head->next);
   }
 }
 
@@ -611,6 +661,9 @@ void hcd_int_handler(uint8_t hostid)
 
   if (int_status == 0) return;
 
+  // Disable MIE as per OHCI spec 5.3
+  OHCI_REG->interrupt_disable = OHCI_INT_MASTER_ENABLE_MASK;
+
   // Frame number overflow
   if ( int_status & OHCI_INT_FRAME_OVERFLOW_MASK )
   {
@@ -620,29 +673,30 @@ void hcd_int_handler(uint8_t hostid)
   //------------- RootHub status -------------//
   if ( int_status & OHCI_INT_RHPORT_STATUS_CHANGE_MASK )
   {
-    uint32_t const rhport_status = OHCI_REG->rhport_status[0] & RHPORT_ALL_CHANGE_MASK;
-
-    // TODO dual port is not yet supported
-    if ( rhport_status & RHPORT_CONNECT_STATUS_CHANGE_MASK )
+    for (int i = 0; i < TUP_OHCI_RHPORTS; i++)
     {
-      // TODO check if remote wake-up
-      if ( OHCI_REG->rhport_status_bit[0].current_connect_status )
+      uint32_t const rhport_status = OHCI_REG->rhport_status[i] & RHPORT_ALL_CHANGE_MASK;
+      if ( rhport_status & RHPORT_CONNECT_STATUS_CHANGE_MASK )
       {
-        // TODO reset port immediately, without this controller will got 2-3 (debouncing connection status change)
-        OHCI_REG->rhport_status[0] = RHPORT_PORT_RESET_STATUS_MASK;
-        hcd_event_device_attach(hostid, true);
-      }else
-      {
-        hcd_event_device_remove(hostid, true);
+        // TODO check if remote wake-up
+        if ( OHCI_REG->rhport_status_bit[i].current_connect_status )
+        {
+          // TODO reset port immediately, without this controller will got 2-3 (debouncing connection status change)
+          OHCI_REG->rhport_status[i] = RHPORT_PORT_RESET_STATUS_MASK;
+          hcd_event_device_attach(i, true);
+        }else
+        {
+          hcd_event_device_remove(i, true);
+        }
       }
-    }
 
-    if ( rhport_status & RHPORT_PORT_SUSPEND_CHANGE_MASK)
-    {
+      if ( rhport_status & RHPORT_PORT_SUSPEND_CHANGE_MASK)
+      {
 
-    }
+      }
 
-    OHCI_REG->rhport_status[0] = rhport_status; // acknowledge all interrupt
+      OHCI_REG->rhport_status[i] = rhport_status; // acknowledge all interrupt
+    }
   }
 
   //------------- Transfer Complete -------------//
@@ -652,6 +706,8 @@ void hcd_int_handler(uint8_t hostid)
   }
 
   OHCI_REG->interrupt_status = int_status; // Acknowledge handled interrupt
+
+  OHCI_REG->interrupt_enable = OHCI_INT_MASTER_ENABLE_MASK; // Enable MIE
 }
 //--------------------------------------------------------------------+
 // HELPER
@@ -659,4 +715,3 @@ void hcd_int_handler(uint8_t hostid)
 
 
 #endif
-
diff --git a/src/portable/ohci/ohci.h b/src/portable/ohci/ohci.h
index 9fc954c8f..2081ffabb 100644
--- a/src/portable/ohci/ohci.h
+++ b/src/portable/ohci/ohci.h
@@ -34,7 +34,7 @@
 //--------------------------------------------------------------------+
 // OHCI CONFIGURATION & CONSTANTS
 //--------------------------------------------------------------------+
-#define HOST_HCD_XFER_INTERRUPT // TODO interrupt is used widely, should always be enalbed
+#define HOST_HCD_XFER_INTERRUPT // TODO interrupt is used widely, should always be enabled
 #define OHCI_PERIODIC_LIST (defined HOST_HCD_XFER_INTERRUPT || defined HOST_HCD_XFER_ISOCHRONOUS)
 
 // TODO merge OHCI with EHCI
@@ -58,7 +58,9 @@ typedef struct {
 
 TU_VERIFY_STATIC( sizeof(ohci_hcca_t) == 256, "size is not correct" );
 
-typedef struct {
+// common link item for gtd and itd for list travel
+// use as pointer only
+typedef struct TU_ATTR_ALIGNED(16) {
   uint32_t reserved[2];
   volatile uint32_t next;
   uint32_t reserved2;
@@ -230,8 +232,27 @@ typedef volatile struct
   uint32_t periodic_start;
   uint32_t lowspeed_threshold;
 
-  uint32_t rh_descriptorA;
-  uint32_t rh_descriptorB;
+  union {
+    uint32_t rh_descriptorA;
+    struct {
+      uint32_t number_downstream_ports     : 8;
+      uint32_t power_switching_mode        : 1;
+      uint32_t no_power_switching          : 1;
+      uint32_t device_type                 : 1;
+      uint32_t overcurrent_protection_mode : 1;
+      uint32_t no_over_current_protection  : 1;
+      uint32_t reserved                    : 11;
+      uint32_t power_on_to_good_time       : 8;
+    } rh_descriptorA_bit;
+  };
+
+  union {
+    uint32_t rh_descriptorB;
+    struct {
+      uint32_t device_removable        : 16;
+      uint32_t port_power_control_mask : 16;
+    } rh_descriptorB_bit;
+  };
 
   union {
     uint32_t rh_status;
@@ -248,7 +269,7 @@ typedef volatile struct
   };
 
   union {
-    uint32_t rhport_status[2]; // TODO NXP OHCI controller only has 2 ports
+    uint32_t rhport_status[TUP_OHCI_RHPORTS];
     struct {
       uint32_t current_connect_status             : 1;
       uint32_t port_enable_status                 : 1;
@@ -265,11 +286,11 @@ typedef volatile struct
       uint32_t port_over_current_indicator_change : 1;
       uint32_t port_reset_status_change           : 1;
       uint32_t TU_RESERVED                        : 11;
-    }rhport_status_bit[2];
+    }rhport_status_bit[TUP_OHCI_RHPORTS];
   };
 }ohci_registers_t;
 
-TU_VERIFY_STATIC( sizeof(ohci_registers_t) == 0x5c, "size is not correct");
+TU_VERIFY_STATIC( sizeof(ohci_registers_t) == (0x54 + (4 * TUP_OHCI_RHPORTS)), "size is not correct");
 
 #ifdef __cplusplus
  }
diff --git a/src/portable/raspberrypi/pio_usb/dcd_pio_usb.c b/src/portable/raspberrypi/pio_usb/dcd_pio_usb.c
index 1bc5594d8..e6daf6827 100644
--- a/src/portable/raspberrypi/pio_usb/dcd_pio_usb.c
+++ b/src/portable/raspberrypi/pio_usb/dcd_pio_usb.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2018, hathach (tinyusb.org)
diff --git a/src/portable/raspberrypi/rp2040/dcd_rp2040.c b/src/portable/raspberrypi/rp2040/dcd_rp2040.c
index ebf352d39..500a5373f 100644
--- a/src/portable/raspberrypi/rp2040/dcd_rp2040.c
+++ b/src/portable/raspberrypi/rp2040/dcd_rp2040.c
@@ -29,6 +29,7 @@
 #if CFG_TUD_ENABLED && (CFG_TUSB_MCU == OPT_MCU_RP2040) && !CFG_TUD_RPI_PIO_USB
 
 #include "pico.h"
+#include "hardware/sync.h"
 #include "rp2040_usb.h"
 
 #if TUD_OPT_RP2040_USB_DEVICE_ENUMERATION_FIX
@@ -46,9 +47,6 @@
 /* Low level controller
  *------------------------------------------------------------------*/
 
-#define usb_hw_set ((usb_hw_t *)hw_set_alias(usb_hw))
-#define usb_hw_clear ((usb_hw_t *)hw_clear_alias(usb_hw))
-
 // Init these in dcd_init
 static uint8_t *next_buffer_ptr;
 
@@ -88,7 +86,7 @@ static void _hw_endpoint_alloc(struct hw_endpoint *ep, uint8_t transfer_type)
   uint dpram_offset = hw_data_offset(ep->hw_data_buf);
   hard_assert(hw_data_offset(next_buffer_ptr) <= USB_DPRAM_MAX);
 
-  pico_info("  Alloced %d bytes at offset 0x%x (0x%p)\r\n", size, dpram_offset, ep->hw_data_buf);
+  pico_info("  Allocated %d bytes at offset 0x%x (0x%p)\r\n", size, dpram_offset, ep->hw_data_buf);
 
   // Fill in endpoint control register with buffer offset
   uint32_t const reg = EP_CTRL_ENABLE_BITS | ((uint)transfer_type << EP_CTRL_BUFFER_TYPE_LSB) | dpram_offset;
@@ -201,7 +199,7 @@ static void __tusb_irq_path_func(hw_handle_buff_status)(void)
             usb_hw_clear->buf_status = bit;
 
             // IN transfer for even i, OUT transfer for odd i
-            struct hw_endpoint *ep = hw_endpoint_get_by_num(i >> 1u, !(i & 1u) ? TUSB_DIR_IN : TUSB_DIR_OUT);
+            struct hw_endpoint *ep = hw_endpoint_get_by_num(i >> 1u, (i & 1u) ? TUSB_DIR_OUT : TUSB_DIR_IN);
 
             // Continue xfer
             bool done = hw_endpoint_xfer_continue(ep);
@@ -247,104 +245,133 @@ static void __tusb_irq_path_func(reset_non_control_endpoints)(void)
 
 static void __tusb_irq_path_func(dcd_rp2040_irq)(void)
 {
-    uint32_t const status = usb_hw->ints;
-    uint32_t handled = 0;
+  uint32_t const status = usb_hw->ints;
+  uint32_t handled = 0;
 
-    if (status & USB_INTF_DEV_SOF_BITS)
-    {
-      handled |= USB_INTF_DEV_SOF_BITS;
+  if ( status & USB_INTF_DEV_SOF_BITS )
+  {
+    bool keep_sof_alive = false;
 
-      // disable SOF interrupt if it is used for RESUME in remote wakeup
-      if (!_sof_enable) usb_hw_clear->inte = USB_INTS_DEV_SOF_BITS;
+    handled |= USB_INTF_DEV_SOF_BITS;
 
-      dcd_event_sof(0, usb_hw->sof_rd & USB_SOF_RD_BITS, true);
-    }
+#if TUD_OPT_RP2040_USB_DEVICE_UFRAME_FIX
+    // Errata 15 workaround for Device Bulk-In endpoint
+    e15_last_sof = time_us_32();
 
-    // xfer events are handled before setup req. So if a transfer completes immediately
-    // before closing the EP, the events will be delivered in same order.
-    if (status & USB_INTS_BUFF_STATUS_BITS)
+    for ( uint8_t i = 0; i < USB_MAX_ENDPOINTS; i++ )
     {
-        handled |= USB_INTS_BUFF_STATUS_BITS;
-        hw_handle_buff_status();
-    }
+      struct hw_endpoint * ep = hw_endpoint_get_by_num(i, TUSB_DIR_IN);
 
-    if (status & USB_INTS_SETUP_REQ_BITS)
-    {
-        handled |= USB_INTS_SETUP_REQ_BITS;
-        uint8_t const *setup = (uint8_t const *)&usb_dpram->setup_packet;
+      // Active Bulk IN endpoint requires SOF
+      if ( (ep->transfer_type == TUSB_XFER_BULK) && ep->active )
+      {
+        keep_sof_alive = true;
 
-        // reset pid to both 1 (data and ack)
-        reset_ep0_pid();
+        hw_endpoint_lock_update(ep, 1);
 
-        // Pass setup packet to tiny usb
-        dcd_event_setup_received(0, setup, true);
-        usb_hw_clear->sie_status = USB_SIE_STATUS_SETUP_REC_BITS;
-    }
-
-#if FORCE_VBUS_DETECT == 0
-    // Since we force VBUS detect On, device will always think it is connected and
-    // couldn't distinguish between disconnect and suspend
-    if (status & USB_INTS_DEV_CONN_DIS_BITS)
-    {
-        handled |= USB_INTS_DEV_CONN_DIS_BITS;
-
-        if ( usb_hw->sie_status & USB_SIE_STATUS_CONNECTED_BITS )
-        {
-          // Connected: nothing to do
-        }else
+        // Deferred enable?
+        if ( ep->pending )
         {
-          // Disconnected
-          dcd_event_bus_signal(0, DCD_EVENT_UNPLUGGED, true);
+          ep->pending = 0;
+          hw_endpoint_start_next_buffer(ep);
         }
 
-        usb_hw_clear->sie_status = USB_SIE_STATUS_CONNECTED_BITS;
+        hw_endpoint_lock_update(ep, -1);
+      }
     }
 #endif
 
-    // SE0 for 2.5 us or more (will last at least 10ms)
-    if (status & USB_INTS_BUS_RESET_BITS)
+    // disable SOF interrupt if it is used for RESUME in remote wakeup
+    if ( !keep_sof_alive && !_sof_enable ) usb_hw_clear->inte = USB_INTS_DEV_SOF_BITS;
+
+    dcd_event_sof(0, usb_hw->sof_rd & USB_SOF_RD_BITS, true);
+  }
+
+  // xfer events are handled before setup req. So if a transfer completes immediately
+  // before closing the EP, the events will be delivered in same order.
+  if ( status & USB_INTS_BUFF_STATUS_BITS )
+  {
+    handled |= USB_INTS_BUFF_STATUS_BITS;
+    hw_handle_buff_status();
+  }
+
+  if ( status & USB_INTS_SETUP_REQ_BITS )
+  {
+    handled |= USB_INTS_SETUP_REQ_BITS;
+    uint8_t const * setup = remove_volatile_cast(uint8_t const*, &usb_dpram->setup_packet);
+
+    // reset pid to both 1 (data and ack)
+    reset_ep0_pid();
+
+    // Pass setup packet to tiny usb
+    dcd_event_setup_received(0, setup, true);
+    usb_hw_clear->sie_status = USB_SIE_STATUS_SETUP_REC_BITS;
+  }
+
+#if FORCE_VBUS_DETECT == 0
+  // Since we force VBUS detect On, device will always think it is connected and
+  // couldn't distinguish between disconnect and suspend
+  if (status & USB_INTS_DEV_CONN_DIS_BITS)
+  {
+    handled |= USB_INTS_DEV_CONN_DIS_BITS;
+
+    if ( usb_hw->sie_status & USB_SIE_STATUS_CONNECTED_BITS )
+    {
+      // Connected: nothing to do
+    }else
     {
-        pico_trace("BUS RESET\n");
+      // Disconnected
+      dcd_event_bus_signal(0, DCD_EVENT_UNPLUGGED, true);
+    }
 
-        handled |= USB_INTS_BUS_RESET_BITS;
+    usb_hw_clear->sie_status = USB_SIE_STATUS_CONNECTED_BITS;
+  }
+#endif
+
+  // SE0 for 2.5 us or more (will last at least 10ms)
+  if ( status & USB_INTS_BUS_RESET_BITS )
+  {
+    pico_trace("BUS RESET\n");
 
-        usb_hw->dev_addr_ctrl = 0;
-        reset_non_control_endpoints();
-        dcd_event_bus_reset(0, TUSB_SPEED_FULL, true);
-        usb_hw_clear->sie_status = USB_SIE_STATUS_BUS_RESET_BITS;
+    handled |= USB_INTS_BUS_RESET_BITS;
+
+    usb_hw->dev_addr_ctrl = 0;
+    reset_non_control_endpoints();
+    dcd_event_bus_reset(0, TUSB_SPEED_FULL, true);
+    usb_hw_clear->sie_status = USB_SIE_STATUS_BUS_RESET_BITS;
 
 #if TUD_OPT_RP2040_USB_DEVICE_ENUMERATION_FIX
-        // Only run enumeration walk-around if pull up is enabled
-        if ( usb_hw->sie_ctrl & USB_SIE_CTRL_PULLUP_EN_BITS ) rp2040_usb_device_enumeration_fix();
+    // Only run enumeration workaround if pull up is enabled
+    if ( usb_hw->sie_ctrl & USB_SIE_CTRL_PULLUP_EN_BITS ) rp2040_usb_device_enumeration_fix();
 #endif
-    }
+  }
 
-    /* Note from pico datasheet 4.1.2.6.4 (v1.2)
-     * If you enable the suspend interrupt, it is likely you will see a suspend interrupt when
-     * the device is first connected but the bus is idle. The bus can be idle for a few ms before
-     * the host begins sending start of frame packets. You will also see a suspend interrupt
-     * when the device is disconnected if you do not have a VBUS detect circuit connected. This is
-     * because without VBUS detection, it is impossible to tell the difference between
-     * being disconnected and suspended.
-     */
-    if (status & USB_INTS_DEV_SUSPEND_BITS)
-    {
-        handled |= USB_INTS_DEV_SUSPEND_BITS;
-        dcd_event_bus_signal(0, DCD_EVENT_SUSPEND, true);
-        usb_hw_clear->sie_status = USB_SIE_STATUS_SUSPENDED_BITS;
-    }
+  /* Note from pico datasheet 4.1.2.6.4 (v1.2)
+   * If you enable the suspend interrupt, it is likely you will see a suspend interrupt when
+   * the device is first connected but the bus is idle. The bus can be idle for a few ms before
+   * the host begins sending start of frame packets. You will also see a suspend interrupt
+   * when the device is disconnected if you do not have a VBUS detect circuit connected. This is
+   * because without VBUS detection, it is impossible to tell the difference between
+   * being disconnected and suspended.
+   */
+  if ( status & USB_INTS_DEV_SUSPEND_BITS )
+  {
+    handled |= USB_INTS_DEV_SUSPEND_BITS;
+    dcd_event_bus_signal(0, DCD_EVENT_SUSPEND, true);
+    usb_hw_clear->sie_status = USB_SIE_STATUS_SUSPENDED_BITS;
+  }
 
-    if (status & USB_INTS_DEV_RESUME_FROM_HOST_BITS)
-    {
-        handled |= USB_INTS_DEV_RESUME_FROM_HOST_BITS;
-        dcd_event_bus_signal(0, DCD_EVENT_RESUME, true);
-        usb_hw_clear->sie_status = USB_SIE_STATUS_RESUME_BITS;
-    }
+  if ( status & USB_INTS_DEV_RESUME_FROM_HOST_BITS )
+  {
+    handled |= USB_INTS_DEV_RESUME_FROM_HOST_BITS;
+    dcd_event_bus_signal(0, DCD_EVENT_RESUME, true);
+    usb_hw_clear->sie_status = USB_SIE_STATUS_RESUME_BITS;
+  }
 
-    if (status ^ handled)
-    {
-        panic("Unhandled IRQ 0x%x\n", (uint) (status ^ handled));
-    }
+  if ( status ^ handled )
+  {
+    panic("Unhandled IRQ 0x%x\n", (uint) (status ^ handled));
+  }
 }
 
 #define USB_INTS_ERROR_BITS ( \
@@ -358,6 +385,11 @@ static void __tusb_irq_path_func(dcd_rp2040_irq)(void)
 /* Controller API
  *------------------------------------------------------------------*/
 
+// older SDK
+#ifndef PICO_SHARED_IRQ_HANDLER_HIGHEST_ORDER_PRIORITY
+#define PICO_SHARED_IRQ_HANDLER_HIGHEST_ORDER_PRIORITY 0xff
+#endif
+
 void dcd_init (uint8_t rhport)
 {
   assert(rhport == 0);
@@ -452,7 +484,11 @@ void dcd_sof_enable(uint8_t rhport, bool en)
     usb_hw_set->inte = USB_INTS_DEV_SOF_BITS;
   }else
   {
+    // Don't clear immediately if the SOF workaround is in use.
+    // The SOF handler will conditionally disable the interrupt.
+#if !TUD_OPT_RP2040_USB_DEVICE_UFRAME_FIX
     usb_hw_clear->inte = USB_INTS_DEV_SOF_BITS;
+#endif
   }
 }
 
diff --git a/src/portable/raspberrypi/rp2040/hcd_rp2040.c b/src/portable/raspberrypi/rp2040/hcd_rp2040.c
index f65749a2f..661255cf6 100644
--- a/src/portable/raspberrypi/rp2040/hcd_rp2040.c
+++ b/src/portable/raspberrypi/rp2040/hcd_rp2040.c
@@ -56,9 +56,6 @@ static_assert(PICO_USB_HOST_INTERRUPT_ENDPOINTS <= USB_MAX_ENDPOINTS, "");
 static struct hw_endpoint ep_pool[1 + PICO_USB_HOST_INTERRUPT_ENDPOINTS];
 #define epx (ep_pool[0])
 
-#define usb_hw_set   ((usb_hw_t *)hw_set_alias(usb_hw))
-#define usb_hw_clear ((usb_hw_t *)hw_clear_alias(usb_hw))
-
 // Flags we set by default in sie_ctrl (we add other bits on top)
 enum {
   SIE_CTRL_BASE = USB_SIE_CTRL_SOF_EN_BITS      | USB_SIE_CTRL_KEEP_ALIVE_EN_BITS |
@@ -81,84 +78,90 @@ static struct hw_endpoint *get_dev_ep(uint8_t dev_addr, uint8_t ep_addr)
 
 TU_ATTR_ALWAYS_INLINE static inline uint8_t dev_speed(void)
 {
-    return (usb_hw->sie_status & USB_SIE_STATUS_SPEED_BITS) >> USB_SIE_STATUS_SPEED_LSB;
+  return (usb_hw->sie_status & USB_SIE_STATUS_SPEED_BITS) >> USB_SIE_STATUS_SPEED_LSB;
 }
 
-static bool need_pre(uint8_t dev_addr)
+TU_ATTR_ALWAYS_INLINE static inline bool need_pre(uint8_t dev_addr)
 {
-    // If this device is different to the speed of the root device
-    // (i.e. is a low speed device on a full speed hub) then need pre
-    return hcd_port_speed_get(0) != tuh_speed_get(dev_addr);
+  // If this device is different to the speed of the root device
+  // (i.e. is a low speed device on a full speed hub) then need pre
+  return hcd_port_speed_get(0) != tuh_speed_get(dev_addr);
 }
 
 static void __tusb_irq_path_func(hw_xfer_complete)(struct hw_endpoint *ep, xfer_result_t xfer_result)
 {
-    // Mark transfer as done before we tell the tinyusb stack
-    uint8_t dev_addr = ep->dev_addr;
-    uint8_t ep_addr = ep->ep_addr;
-    uint xferred_len = ep->xferred_len;
-    hw_endpoint_reset_transfer(ep);
-    hcd_event_xfer_complete(dev_addr, ep_addr, xferred_len, xfer_result, true);
+  // Mark transfer as done before we tell the tinyusb stack
+  uint8_t dev_addr = ep->dev_addr;
+  uint8_t ep_addr = ep->ep_addr;
+  uint xferred_len = ep->xferred_len;
+  hw_endpoint_reset_transfer(ep);
+  hcd_event_xfer_complete(dev_addr, ep_addr, xferred_len, xfer_result, true);
 }
 
 static void __tusb_irq_path_func(_handle_buff_status_bit)(uint bit, struct hw_endpoint *ep)
 {
-    usb_hw_clear->buf_status = bit;
-    // EP may have been stalled?
-    assert(ep->active);
-    bool done = hw_endpoint_xfer_continue(ep);
-    if (done)
-    {
-        hw_xfer_complete(ep, XFER_RESULT_SUCCESS);
-    }
+  usb_hw_clear->buf_status = bit;
+  // EP may have been stalled?
+  assert(ep->active);
+  bool done = hw_endpoint_xfer_continue(ep);
+  if ( done )
+  {
+    hw_xfer_complete(ep, XFER_RESULT_SUCCESS);
+  }
 }
 
 static void __tusb_irq_path_func(hw_handle_buff_status)(void)
 {
-    uint32_t remaining_buffers = usb_hw->buf_status;
-    pico_trace("buf_status 0x%08x\n", remaining_buffers);
+  uint32_t remaining_buffers = usb_hw->buf_status;
+  pico_trace("buf_status 0x%08x\n", remaining_buffers);
 
-    // Check EPX first
-    uint bit = 0b1;
-    if (remaining_buffers & bit)
-    {
-        remaining_buffers &= ~bit;
-        struct hw_endpoint *ep = &epx;
-
-        uint32_t ep_ctrl = *ep->endpoint_control;
-        if (ep_ctrl & EP_CTRL_DOUBLE_BUFFERED_BITS)
-        {
-          TU_LOG(3, "Double Buffered: ");
-        }else
-        {
-          TU_LOG(3, "Single Buffered: ");
-        }
-        TU_LOG_HEX(3, ep_ctrl);
+  // Check EPX first
+  uint bit = 0b1;
+  if ( remaining_buffers & bit )
+  {
+    remaining_buffers &= ~bit;
+    struct hw_endpoint * ep = &epx;
 
-        _handle_buff_status_bit(bit, ep);
+    uint32_t ep_ctrl = *ep->endpoint_control;
+    if ( ep_ctrl & EP_CTRL_DOUBLE_BUFFERED_BITS )
+    {
+      TU_LOG(3, "Double Buffered: ");
     }
-
-    // Check interrupt endpoints
-    for (uint i = 1; i <= USB_HOST_INTERRUPT_ENDPOINTS && remaining_buffers; i++)
+    else
     {
-        // EPX is bit 0
-        // IEP1 is bit 2
-        // IEP2 is bit 4
-        // IEP3 is bit 6
-        // etc
-        bit = 1 << (i*2);
-
-        if (remaining_buffers & bit)
-        {
-            remaining_buffers &= ~bit;
-            _handle_buff_status_bit(bit, &ep_pool[i]);
-        }
+      TU_LOG(3, "Single Buffered: ");
     }
+    TU_LOG_HEX(3, ep_ctrl);
+
+    _handle_buff_status_bit(bit, ep);
+  }
 
-    if (remaining_buffers)
+  // Check "interrupt" (asynchronous) endpoints for both IN and OUT
+  for ( uint i = 1; i <= USB_HOST_INTERRUPT_ENDPOINTS && remaining_buffers; i++ )
+  {
+    // EPX is bit 0 & 1
+    // IEP1 IN  is bit 2
+    // IEP1 OUT is bit 3
+    // IEP2 IN  is bit 4
+    // IEP2 OUT is bit 5
+    // IEP3 IN  is bit 6
+    // IEP3 OUT is bit 7
+    // etc
+    for ( uint j = 0; j < 2; j++ )
     {
-        panic("Unhandled buffer %d\n", remaining_buffers);
+      bit = 1 << (i * 2 + j);
+      if ( remaining_buffers & bit )
+      {
+        remaining_buffers &= ~bit;
+        _handle_buff_status_bit(bit, &ep_pool[i]);
+      }
     }
+  }
+
+  if ( remaining_buffers )
+  {
+    panic("Unhandled buffer %d\n", remaining_buffers);
+  }
 }
 
 static void __tusb_irq_path_func(hw_trans_complete)(void)
@@ -181,70 +184,72 @@ static void __tusb_irq_path_func(hw_trans_complete)(void)
 
 static void __tusb_irq_path_func(hcd_rp2040_irq)(void)
 {
-    uint32_t status = usb_hw->ints;
-    uint32_t handled = 0;
-
-    if (status & USB_INTS_HOST_CONN_DIS_BITS)
-    {
-        handled |= USB_INTS_HOST_CONN_DIS_BITS;
-        
-        if (dev_speed())
-        {
-            hcd_event_device_attach(RHPORT_NATIVE, true);
-        }
-        else
-        {
-            hcd_event_device_remove(RHPORT_NATIVE, true);
-        }
+  uint32_t status = usb_hw->ints;
+  uint32_t handled = 0;
 
-        // Clear speed change interrupt
-        usb_hw_clear->sie_status = USB_SIE_STATUS_SPEED_BITS;
-    }
+  if ( status & USB_INTS_HOST_CONN_DIS_BITS )
+  {
+    handled |= USB_INTS_HOST_CONN_DIS_BITS;
 
-    if (status & USB_INTS_STALL_BITS)
+    if ( dev_speed() )
     {
-        // We have rx'd a stall from the device
-        // NOTE THIS SHOULD HAVE PRIORITY OVER BUFF_STATUS
-        // AND TRANS_COMPLETE as the stall is an alternative response
-        // to one of those events
-        pico_trace("Stall REC\n");
-        handled |= USB_INTS_STALL_BITS;
-        usb_hw_clear->sie_status = USB_SIE_STATUS_STALL_REC_BITS;
-        hw_xfer_complete(&epx, XFER_RESULT_STALLED);
+      hcd_event_device_attach(RHPORT_NATIVE, true);
     }
-
-    if (status & USB_INTS_BUFF_STATUS_BITS)
+    else
     {
-        handled |= USB_INTS_BUFF_STATUS_BITS;
-        TU_LOG(2, "Buffer complete\n");
-        hw_handle_buff_status();
+      hcd_event_device_remove(RHPORT_NATIVE, true);
     }
 
-    if (status & USB_INTS_TRANS_COMPLETE_BITS)
-    {
-        handled |= USB_INTS_TRANS_COMPLETE_BITS;
-        usb_hw_clear->sie_status = USB_SIE_STATUS_TRANS_COMPLETE_BITS;
-        TU_LOG(2, "Transfer complete\n");
-        hw_trans_complete();
-    }
+    // Clear speed change interrupt
+    usb_hw_clear->sie_status = USB_SIE_STATUS_SPEED_BITS;
+  }
 
-    if (status & USB_INTS_ERROR_RX_TIMEOUT_BITS)
-    {
-        handled |= USB_INTS_ERROR_RX_TIMEOUT_BITS;
-        usb_hw_clear->sie_status = USB_SIE_STATUS_RX_TIMEOUT_BITS;
-    }
+  if ( status & USB_INTS_STALL_BITS )
+  {
+    // We have rx'd a stall from the device
+    // NOTE THIS SHOULD HAVE PRIORITY OVER BUFF_STATUS
+    // AND TRANS_COMPLETE as the stall is an alternative response
+    // to one of those events
+    pico_trace("Stall REC\n");
+    handled |= USB_INTS_STALL_BITS;
+    usb_hw_clear->sie_status = USB_SIE_STATUS_STALL_REC_BITS;
+    hw_xfer_complete(&epx, XFER_RESULT_STALLED);
+  }
 
-    if (status & USB_INTS_ERROR_DATA_SEQ_BITS)
-    {
-        usb_hw_clear->sie_status = USB_SIE_STATUS_DATA_SEQ_ERROR_BITS;
-        TU_LOG(3, "  Seq Error: [0] = 0x%04u  [1] = 0x%04x\r\n", tu_u32_low16(*epx.buffer_control), tu_u32_high16(*epx.buffer_control));
-        panic("Data Seq Error \n");
-    }
+  if ( status & USB_INTS_BUFF_STATUS_BITS )
+  {
+    handled |= USB_INTS_BUFF_STATUS_BITS;
+    TU_LOG(2, "Buffer complete\n");
+    hw_handle_buff_status();
+  }
 
-    if (status ^ handled)
-    {
-        panic("Unhandled IRQ 0x%x\n", (uint) (status ^ handled));
-    }
+  if ( status & USB_INTS_TRANS_COMPLETE_BITS )
+  {
+    handled |= USB_INTS_TRANS_COMPLETE_BITS;
+    usb_hw_clear->sie_status = USB_SIE_STATUS_TRANS_COMPLETE_BITS;
+    TU_LOG(2, "Transfer complete\n");
+    hw_trans_complete();
+  }
+
+  if ( status & USB_INTS_ERROR_RX_TIMEOUT_BITS )
+  {
+    handled |= USB_INTS_ERROR_RX_TIMEOUT_BITS;
+    usb_hw_clear->sie_status = USB_SIE_STATUS_RX_TIMEOUT_BITS;
+  }
+
+  if ( status & USB_INTS_ERROR_DATA_SEQ_BITS )
+  {
+    usb_hw_clear->sie_status = USB_SIE_STATUS_DATA_SEQ_ERROR_BITS;
+    TU_LOG(3, "  Seq Error: [0] = 0x%04u  [1] = 0x%04x\r\n",
+           tu_u32_low16(*epx.buffer_control),
+           tu_u32_high16(*epx.buffer_control));
+    panic("Data Seq Error \n");
+  }
+
+  if ( status ^ handled )
+  {
+    panic("Unhandled IRQ 0x%x\n", (uint) (status ^ handled));
+  }
 }
 
 void __tusb_irq_path_func(hcd_int_handler)(uint8_t rhport)
@@ -255,114 +260,118 @@ void __tusb_irq_path_func(hcd_int_handler)(uint8_t rhport)
 
 static struct hw_endpoint *_next_free_interrupt_ep(void)
 {
-    struct hw_endpoint *ep = NULL;
-    for (uint i = 1; i < TU_ARRAY_SIZE(ep_pool); i++)
+  struct hw_endpoint * ep = NULL;
+  for ( uint i = 1; i < TU_ARRAY_SIZE(ep_pool); i++ )
+  {
+    ep = &ep_pool[i];
+    if ( !ep->configured )
     {
-        ep = &ep_pool[i];
-        if (!ep->configured)
-        {
-            // Will be configured by _hw_endpoint_init / _hw_endpoint_allocate
-            ep->interrupt_num = (uint8_t) (i - 1);
-            return ep;
-        }
+      // Will be configured by _hw_endpoint_init / _hw_endpoint_allocate
+      ep->interrupt_num = (uint8_t) (i - 1);
+      return ep;
     }
-    return ep;
+  }
+  return ep;
 }
 
 static struct hw_endpoint *_hw_endpoint_allocate(uint8_t transfer_type)
 {
-    struct hw_endpoint *ep = NULL;
+  struct hw_endpoint * ep = NULL;
 
-    if (transfer_type == TUSB_XFER_INTERRUPT)
-    {
-        ep = _next_free_interrupt_ep();
-        pico_info("Allocate interrupt ep %d\n", ep->interrupt_num);
-        assert(ep);
-        ep->buffer_control = &usbh_dpram->int_ep_buffer_ctrl[ep->interrupt_num].ctrl;
-        ep->endpoint_control = &usbh_dpram->int_ep_ctrl[ep->interrupt_num].ctrl;
-        // 0 for epx (double buffered): TODO increase to 1024 for ISO
-        // 2x64 for intep0
-        // 3x64 for intep1
-        // etc
-        ep->hw_data_buf = &usbh_dpram->epx_data[64 * (ep->interrupt_num + 2)];
-    }
-    else
-    {
-        ep = &epx;
-        ep->buffer_control = &usbh_dpram->epx_buf_ctrl;
-        ep->endpoint_control = &usbh_dpram->epx_ctrl;
-        ep->hw_data_buf = &usbh_dpram->epx_data[0];
-    }
+  if ( transfer_type != TUSB_XFER_CONTROL )
+  {
+    // Note: even though datasheet name these "Interrupt" endpoints. These are actually
+    // "Asynchronous" endpoints and can be used for other type such as: Bulk  (ISO need confirmation)
+    ep = _next_free_interrupt_ep();
+    pico_info("Allocate %s ep %d\n", tu_edpt_type_str(transfer_type), ep->interrupt_num);
+    assert(ep);
+    ep->buffer_control = &usbh_dpram->int_ep_buffer_ctrl[ep->interrupt_num].ctrl;
+    ep->endpoint_control = &usbh_dpram->int_ep_ctrl[ep->interrupt_num].ctrl;
+    // 0 for epx (double buffered): TODO increase to 1024 for ISO
+    // 2x64 for intep0
+    // 3x64 for intep1
+    // etc
+    ep->hw_data_buf = &usbh_dpram->epx_data[64 * (ep->interrupt_num + 2)];
+  }
+  else
+  {
+    ep = &epx;
+    ep->buffer_control = &usbh_dpram->epx_buf_ctrl;
+    ep->endpoint_control = &usbh_dpram->epx_ctrl;
+    ep->hw_data_buf = &usbh_dpram->epx_data[0];
+  }
 
-    return ep;
+  return ep;
 }
 
 static void _hw_endpoint_init(struct hw_endpoint *ep, uint8_t dev_addr, uint8_t ep_addr, uint16_t wMaxPacketSize, uint8_t transfer_type, uint8_t bmInterval)
 {
-    // Already has data buffer, endpoint control, and buffer control allocated at this point
-    assert(ep->endpoint_control);
-    assert(ep->buffer_control);
-    assert(ep->hw_data_buf);
+  // Already has data buffer, endpoint control, and buffer control allocated at this point
+  assert(ep->endpoint_control);
+  assert(ep->buffer_control);
+  assert(ep->hw_data_buf);
+
+  uint8_t const num = tu_edpt_number(ep_addr);
+  tusb_dir_t const dir = tu_edpt_dir(ep_addr);
 
-    uint8_t const num = tu_edpt_number(ep_addr);
-    tusb_dir_t const dir = tu_edpt_dir(ep_addr);
+  ep->ep_addr = ep_addr;
+  ep->dev_addr = dev_addr;
 
-    ep->ep_addr = ep_addr;
-    ep->dev_addr = dev_addr;
+  // For host, IN to host == RX, anything else rx == false
+  ep->rx = (dir == TUSB_DIR_IN);
 
-    // For host, IN to host == RX, anything else rx == false
-    ep->rx = (dir == TUSB_DIR_IN);
+  // Response to a setup packet on EP0 starts with pid of 1
+  ep->next_pid = (num == 0 ? 1u : 0u);
+  ep->wMaxPacketSize = wMaxPacketSize;
+  ep->transfer_type = transfer_type;
 
-    // Response to a setup packet on EP0 starts with pid of 1
-    ep->next_pid = (num == 0 ? 1u : 0u);
-    ep->wMaxPacketSize = wMaxPacketSize;
-    ep->transfer_type = transfer_type;
+  pico_trace("hw_endpoint_init dev %d ep %d %s xfer %d\n", ep->dev_addr, tu_edpt_number(ep->ep_addr),
+             ep_dir_string[tu_edpt_dir(ep->ep_addr)], ep->transfer_type);
+  pico_trace("dev %d ep %d %s setup buffer @ 0x%p\n", ep->dev_addr, tu_edpt_number(ep->ep_addr),
+             ep_dir_string[tu_edpt_dir(ep->ep_addr)], ep->hw_data_buf);
+  uint dpram_offset = hw_data_offset(ep->hw_data_buf);
+  // Bits 0-5 should be 0
+  assert(!(dpram_offset & 0b111111));
+
+  // Fill in endpoint control register with buffer offset
+  uint32_t ep_reg = EP_CTRL_ENABLE_BITS
+                    | EP_CTRL_INTERRUPT_PER_BUFFER
+                    | (ep->transfer_type << EP_CTRL_BUFFER_TYPE_LSB)
+                    | dpram_offset;
+  if ( bmInterval )
+  {
+    ep_reg |= (uint32_t) ((bmInterval - 1) << EP_CTRL_HOST_INTERRUPT_INTERVAL_LSB);
+  }
+  *ep->endpoint_control = ep_reg;
+  pico_trace("endpoint control (0x%p) <- 0x%x\n", ep->endpoint_control, ep_reg);
+  ep->configured = true;
 
-    pico_trace("hw_endpoint_init dev %d ep %d %s xfer %d\n", ep->dev_addr, tu_edpt_number(ep->ep_addr), ep_dir_string[tu_edpt_dir(ep->ep_addr)], ep->transfer_type);
-    pico_trace("dev %d ep %d %s setup buffer @ 0x%p\n", ep->dev_addr, tu_edpt_number(ep->ep_addr), ep_dir_string[tu_edpt_dir(ep->ep_addr)], ep->hw_data_buf);
-    uint dpram_offset = hw_data_offset(ep->hw_data_buf);
-    // Bits 0-5 should be 0
-    assert(!(dpram_offset & 0b111111));
+  if ( ep != &epx )
+  {
+    // Endpoint has its own addr_endp and interrupt bits to be setup!
+    // This is an interrupt/async endpoint. so need to set up ADDR_ENDP register with:
+    // - device address
+    // - endpoint number / direction
+    // - preamble
+    uint32_t reg = (uint32_t) (dev_addr | (num << USB_ADDR_ENDP1_ENDPOINT_LSB));
 
-    // Fill in endpoint control register with buffer offset
-    uint32_t ep_reg =  EP_CTRL_ENABLE_BITS
-                  | EP_CTRL_INTERRUPT_PER_BUFFER
-                  | (ep->transfer_type << EP_CTRL_BUFFER_TYPE_LSB)
-                  | dpram_offset;
-    if (bmInterval)
+    if ( dir == TUSB_DIR_OUT )
     {
-      ep_reg |= (uint32_t) ((bmInterval - 1) << EP_CTRL_HOST_INTERRUPT_INTERVAL_LSB);
+      reg |= USB_ADDR_ENDP1_INTEP_DIR_BITS;
     }
-    *ep->endpoint_control = ep_reg;
-    pico_trace("endpoint control (0x%p) <- 0x%x\n", ep->endpoint_control, ep_reg);
-    ep->configured = true;
 
-    if (bmInterval)
+    if ( need_pre(dev_addr) )
     {
-        // This is an interrupt endpoint
-        // so need to set up interrupt endpoint address control register with:
-        // device address
-        // endpoint number / direction
-        // preamble
-        uint32_t reg = (uint32_t) (dev_addr | (num << USB_ADDR_ENDP1_ENDPOINT_LSB));
-
-        if (dir == TUSB_DIR_OUT)
-        {
-            reg |= USB_ADDR_ENDP1_INTEP_DIR_BITS;
-        }
-
-        if (need_pre(dev_addr))
-        {
-            reg |= USB_ADDR_ENDP1_INTEP_PREAMBLE_BITS;
-        }
-        usb_hw->int_ep_addr_ctrl[ep->interrupt_num] = reg;
+      reg |= USB_ADDR_ENDP1_INTEP_PREAMBLE_BITS;
+    }
+    usb_hw->int_ep_addr_ctrl[ep->interrupt_num] = reg;
 
-        // Finally, enable interrupt that endpoint
-        usb_hw_set->int_ep_ctrl = 1 << (ep->interrupt_num + 1);
+    // Finally, enable interrupt that endpoint
+    usb_hw_set->int_ep_ctrl = 1 << (ep->interrupt_num + 1);
 
-        // If it's an interrupt endpoint we need to set up the buffer control
-        // register
-    }
+    // If it's an interrupt endpoint we need to set up the buffer control
+    // register
+  }
 }
 
 //--------------------------------------------------------------------+
@@ -380,6 +389,9 @@ bool hcd_init(uint8_t rhport)
   // Force VBUS detect to always present, for now we assume vbus is always provided (without using VBUS En)
   usb_hw->pwr = USB_USB_PWR_VBUS_DETECT_BITS | USB_USB_PWR_VBUS_DETECT_OVERRIDE_EN_BITS;
 
+  // Remove shared irq if it was previously added so as not to fill up shared irq slots
+  irq_remove_handler(USBCTRL_IRQ, hcd_rp2040_irq);
+
   irq_add_shared_handler(USBCTRL_IRQ, hcd_rp2040_irq, PICO_SHARED_IRQ_HANDLER_HIGHEST_ORDER_PRIORITY);
 
   // clear epx and interrupt eps
@@ -424,15 +436,17 @@ tusb_speed_t hcd_port_speed_get(uint8_t rhport)
 {
   (void) rhport;
   assert(rhport == 0);
+
   // TODO: Should enumval this register
-  switch (dev_speed())
+  switch ( dev_speed() )
   {
-      case 1:
-          return TUSB_SPEED_LOW;
-      case 2:
-          return TUSB_SPEED_FULL;
-      default:
-          panic("Invalid speed\n"); // does not return
+    case 1:
+      return TUSB_SPEED_LOW;
+    case 2:
+      return TUSB_SPEED_FULL;
+    default:
+      panic("Invalid speed\n");
+      // return TUSB_SPEED_INVALID;
   }
 }
 
@@ -465,8 +479,8 @@ void hcd_device_close(uint8_t rhport, uint8_t dev_addr)
 
 uint32_t hcd_frame_number(uint8_t rhport)
 {
-    (void) rhport;
-    return usb_hw->sof_rd;
+  (void) rhport;
+  return usb_hw->sof_rd;
 }
 
 void hcd_int_enable(uint8_t rhport)
@@ -490,115 +504,116 @@ void hcd_int_disable(uint8_t rhport)
 
 bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const * ep_desc)
 {
-    (void) rhport;
+  (void) rhport;
 
-    pico_trace("hcd_edpt_open dev_addr %d, ep_addr %d\n", dev_addr, ep_desc->bEndpointAddress);
+  pico_trace("hcd_edpt_open dev_addr %d, ep_addr %d\n", dev_addr, ep_desc->bEndpointAddress);
 
-    // Allocated differently based on if it's an interrupt endpoint or not
-    struct hw_endpoint *ep = _hw_endpoint_allocate(ep_desc->bmAttributes.xfer);
-    TU_ASSERT(ep);
+  // Allocated differently based on if it's an interrupt endpoint or not
+  struct hw_endpoint *ep = _hw_endpoint_allocate(ep_desc->bmAttributes.xfer);
+  TU_ASSERT(ep);
 
-    _hw_endpoint_init(ep,
-        dev_addr,
-        ep_desc->bEndpointAddress,
-        tu_edpt_packet_size(ep_desc),
-        ep_desc->bmAttributes.xfer,
-        ep_desc->bInterval);
+  _hw_endpoint_init(ep,
+                    dev_addr,
+                    ep_desc->bEndpointAddress,
+                    tu_edpt_packet_size(ep_desc),
+                    ep_desc->bmAttributes.xfer,
+                    ep_desc->bInterval);
 
-    return true;
+  return true;
 }
 
 bool hcd_edpt_xfer(uint8_t rhport, uint8_t dev_addr, uint8_t ep_addr, uint8_t * buffer, uint16_t buflen)
 {
-    (void) rhport;
+  (void) rhport;
 
-    pico_trace("hcd_edpt_xfer dev_addr %d, ep_addr 0x%x, len %d\n", dev_addr, ep_addr, buflen);
-    
-    uint8_t const ep_num = tu_edpt_number(ep_addr);
-    tusb_dir_t const ep_dir = tu_edpt_dir(ep_addr);
+  pico_trace("hcd_edpt_xfer dev_addr %d, ep_addr 0x%x, len %d\n", dev_addr, ep_addr, buflen);
 
-    // Get appropriate ep. Either EPX or interrupt endpoint
-    struct hw_endpoint *ep = get_dev_ep(dev_addr, ep_addr);
-    TU_ASSERT(ep);
+  uint8_t const ep_num = tu_edpt_number(ep_addr);
+  tusb_dir_t const ep_dir = tu_edpt_dir(ep_addr);
 
-    // EP should be inactive
-    assert(!ep->active);
+  // Get appropriate ep. Either EPX or interrupt endpoint
+  struct hw_endpoint *ep = get_dev_ep(dev_addr, ep_addr);
 
-    // Control endpoint can change direction 0x00 <-> 0x80
-    if ( ep_addr != ep->ep_addr )
-    {
-      assert(ep_num == 0);
+  TU_ASSERT(ep);
 
-      // Direction has flipped on endpoint control so re init it but with same properties
-      _hw_endpoint_init(ep, dev_addr, ep_addr, ep->wMaxPacketSize, ep->transfer_type, 0);
-    }
+  // EP should be inactive
+  assert(!ep->active);
 
-    // If a normal transfer (non-interrupt) then initiate using
-    // sie ctrl registers. Otherwise interrupt ep registers should
-    // already be configured
-    if (ep == &epx) {
-        hw_endpoint_xfer_start(ep, buffer, buflen);
+  // Control endpoint can change direction 0x00 <-> 0x80
+  if ( ep_addr != ep->ep_addr )
+  {
+    assert(ep_num == 0);
 
-        // That has set up buffer control, endpoint control etc
-        // for host we have to initiate the transfer
-        usb_hw->dev_addr_ctrl = (uint32_t) (dev_addr | (ep_num << USB_ADDR_ENDP_ENDPOINT_LSB));
+    // Direction has flipped on endpoint control so re init it but with same properties
+    _hw_endpoint_init(ep, dev_addr, ep_addr, ep->wMaxPacketSize, ep->transfer_type, 0);
+  }
 
-        uint32_t flags = USB_SIE_CTRL_START_TRANS_BITS | SIE_CTRL_BASE |
-                         (ep_dir ? USB_SIE_CTRL_RECEIVE_DATA_BITS : USB_SIE_CTRL_SEND_DATA_BITS);
-        // Set pre if we are a low speed device on full speed hub
-        flags |= need_pre(dev_addr) ? USB_SIE_CTRL_PREAMBLE_EN_BITS : 0;
+  // If a normal transfer (non-interrupt) then initiate using
+  // sie ctrl registers. Otherwise interrupt ep registers should
+  // already be configured
+  if ( ep == &epx )
+  {
+    hw_endpoint_xfer_start(ep, buffer, buflen);
 
-        usb_hw->sie_ctrl = flags;
-    }else
-    {
-      hw_endpoint_xfer_start(ep, buffer, buflen);
-    }
+    // That has set up buffer control, endpoint control etc
+    // for host we have to initiate the transfer
+    usb_hw->dev_addr_ctrl = (uint32_t) (dev_addr | (ep_num << USB_ADDR_ENDP_ENDPOINT_LSB));
 
-    return true;
+    uint32_t flags = USB_SIE_CTRL_START_TRANS_BITS | SIE_CTRL_BASE |
+                     (ep_dir ? USB_SIE_CTRL_RECEIVE_DATA_BITS : USB_SIE_CTRL_SEND_DATA_BITS) |
+                     (need_pre(dev_addr) ? USB_SIE_CTRL_PREAMBLE_EN_BITS : 0);
+    usb_hw->sie_ctrl = flags;
+  }else
+  {
+    hw_endpoint_xfer_start(ep, buffer, buflen);
+  }
+
+  return true;
 }
 
 bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8])
 {
-    (void) rhport;
+  (void) rhport;
 
-    // Copy data into setup packet buffer
-    for(uint8_t i=0; i<8; i++)
-    {
-      usbh_dpram->setup_packet[i] = setup_packet[i];
-    }
+  // Copy data into setup packet buffer
+  for ( uint8_t i = 0; i < 8; i++ )
+  {
+    usbh_dpram->setup_packet[i] = setup_packet[i];
+  }
 
-    // Configure EP0 struct with setup info for the trans complete
-    struct hw_endpoint *ep = _hw_endpoint_allocate(0);
-    TU_ASSERT(ep);
+  // Configure EP0 struct with setup info for the trans complete
+  struct hw_endpoint * ep = _hw_endpoint_allocate(0);
+  TU_ASSERT(ep);
 
-    // EPX should be inactive
-    assert(!ep->active);
+  // EPX should be inactive
+  assert(!ep->active);
 
-    // EP0 out
-    _hw_endpoint_init(ep, dev_addr, 0x00, ep->wMaxPacketSize, 0, 0);
-    assert(ep->configured);
+  // EP0 out
+  _hw_endpoint_init(ep, dev_addr, 0x00, ep->wMaxPacketSize, 0, 0);
+  assert(ep->configured);
 
-    ep->remaining_len = 8;
-    ep->active        = true;
+  ep->remaining_len = 8;
+  ep->active = true;
 
-    // Set device address
-    usb_hw->dev_addr_ctrl = dev_addr;
+  // Set device address
+  usb_hw->dev_addr_ctrl = dev_addr;
 
-    // Set pre if we are a low speed device on full speed hub
-    uint32_t const flags = SIE_CTRL_BASE | USB_SIE_CTRL_SEND_SETUP_BITS | USB_SIE_CTRL_START_TRANS_BITS |
-                           (need_pre(dev_addr) ? USB_SIE_CTRL_PREAMBLE_EN_BITS : 0);
+  // Set pre if we are a low speed device on full speed hub
+  uint32_t const flags = SIE_CTRL_BASE | USB_SIE_CTRL_SEND_SETUP_BITS | USB_SIE_CTRL_START_TRANS_BITS |
+                         (need_pre(dev_addr) ? USB_SIE_CTRL_PREAMBLE_EN_BITS : 0);
 
-    usb_hw->sie_ctrl = flags;
+  usb_hw->sie_ctrl = flags;
 
-    return true;
+  return true;
 }
 
 bool hcd_edpt_clear_stall(uint8_t dev_addr, uint8_t ep_addr)
 {
-    (void) dev_addr;
-    (void) ep_addr;
+  (void) dev_addr;
+  (void) ep_addr;
 
-    panic("hcd_clear_stall"); // does not return
+  panic("hcd_clear_stall");
+  // return true;
 }
 
 #endif
diff --git a/src/portable/raspberrypi/rp2040/rp2040_usb.c b/src/portable/raspberrypi/rp2040/rp2040_usb.c
index adb9151f9..cf37cba07 100644
--- a/src/portable/raspberrypi/rp2040/rp2040_usb.c
+++ b/src/portable/raspberrypi/rp2040/rp2040_usb.c
@@ -32,23 +32,34 @@
 #include <stdlib.h>
 #include "rp2040_usb.h"
 
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF PROTOTYPE
+//--------------------------------------------------------------------+
+
 // Direction strings for debug
 const char *ep_dir_string[] = {
         "out",
         "in",
 };
 
-TU_ATTR_ALWAYS_INLINE static inline void _hw_endpoint_lock_update(__unused struct hw_endpoint * ep, __unused int delta) {
-    // todo add critsec as necessary to prevent issues between worker and IRQ...
-    //  note that this is perhaps as simple as disabling IRQs because it would make
-    //  sense to have worker and IRQ on same core, however I think using critsec is about equivalent.
-}
-
 static void _hw_endpoint_xfer_sync(struct hw_endpoint *ep);
-static void _hw_endpoint_start_next_buffer(struct hw_endpoint *ep);
+
+#if TUD_OPT_RP2040_USB_DEVICE_UFRAME_FIX
+  static bool e15_is_bulkin_ep(struct hw_endpoint *ep);
+  static bool e15_is_critical_frame_period(struct hw_endpoint *ep);
+#else
+  #define e15_is_bulkin_ep(x)             (false)
+  #define e15_is_critical_frame_period(x) (false)
+#endif
+
+// if usb hardware is in host mode
+TU_ATTR_ALWAYS_INLINE static inline bool is_host_mode(void)
+{
+  return (usb_hw->main_ctrl & USB_MAIN_CTRL_HOST_NDEVICE_BITS) ? true : false;
+}
 
 //--------------------------------------------------------------------+
-//
+// Implementation
 //--------------------------------------------------------------------+
 
 void rp2040_usb_init(void)
@@ -73,6 +84,8 @@ void rp2040_usb_init(void)
 
   // Mux the controller to the onboard usb phy
   usb_hw->muxing = USB_USB_MUXING_TO_PHY_BITS | USB_USB_MUXING_SOFTCON_BITS;
+
+  TU_LOG2_INT(sizeof(hw_endpoint_t));
 }
 
 void __tusb_irq_path_func(hw_endpoint_reset_transfer)(struct hw_endpoint *ep)
@@ -83,20 +96,27 @@ void __tusb_irq_path_func(hw_endpoint_reset_transfer)(struct hw_endpoint *ep)
   ep->user_buf = 0;
 }
 
-void __tusb_irq_path_func(_hw_endpoint_buffer_control_update32)(struct hw_endpoint *ep, uint32_t and_mask, uint32_t or_mask) {
-    uint32_t value = 0;
-    if (and_mask) {
-        value = *ep->buffer_control & and_mask;
-    }
-    if (or_mask) {
-        value |= or_mask;
-        if (or_mask & USB_BUF_CTRL_AVAIL) {
-            if (*ep->buffer_control & USB_BUF_CTRL_AVAIL) {
-                panic("ep %d %s was already available", tu_edpt_number(ep->ep_addr), ep_dir_string[tu_edpt_dir(ep->ep_addr)]);
-            }
-            *ep->buffer_control = value & ~USB_BUF_CTRL_AVAIL;
-            // 12 cycle delay.. (should be good for 48*12Mhz = 576Mhz)
-            // Don't need delay in host mode as host is in charge
+void __tusb_irq_path_func(_hw_endpoint_buffer_control_update32)(struct hw_endpoint *ep, uint32_t and_mask, uint32_t or_mask)
+{
+  uint32_t value = 0;
+
+  if ( and_mask )
+  {
+    value = *ep->buffer_control & and_mask;
+  }
+
+  if ( or_mask )
+  {
+    value |= or_mask;
+    if ( or_mask & USB_BUF_CTRL_AVAIL )
+    {
+      if ( *ep->buffer_control & USB_BUF_CTRL_AVAIL )
+      {
+        panic("ep %d %s was already available", tu_edpt_number(ep->ep_addr), ep_dir_string[tu_edpt_dir(ep->ep_addr)]);
+      }
+      *ep->buffer_control = value & ~USB_BUF_CTRL_AVAIL;
+      // 12 cycle delay.. (should be good for 48*12Mhz = 576Mhz)
+      // Don't need delay in host mode as host is in charge
 #if !CFG_TUH_ENABLED
             __asm volatile (
                     "b 1f\n"
@@ -108,9 +128,10 @@ void __tusb_irq_path_func(_hw_endpoint_buffer_control_update32)(struct hw_endpoi
                     "1:\n"
                     : : : "memory");
 #endif
-        }
     }
-    *ep->buffer_control = value;
+  }
+
+  *ep->buffer_control = value;
 }
 
 // prepare buffer, return buffer control
@@ -149,17 +170,21 @@ static uint32_t __tusb_irq_path_func(prepare_ep_buffer)(struct hw_endpoint *ep,
 }
 
 // Prepare buffer control register value
-static void __tusb_irq_path_func(_hw_endpoint_start_next_buffer)(struct hw_endpoint *ep)
+void __tusb_irq_path_func(hw_endpoint_start_next_buffer)(struct hw_endpoint *ep)
 {
   uint32_t ep_ctrl = *ep->endpoint_control;
 
   // always compute and start with buffer 0
   uint32_t buf_ctrl = prepare_ep_buffer(ep, 0) | USB_BUF_CTRL_SEL;
 
-  // For now: skip double buffered for Device mode, OUT endpoint since
+  // For now: skip double buffered for OUT endpoint in Device mode, since
   // host could send < 64 bytes and cause short packet on buffer0
-  // NOTE this could happen to Host mode IN endpoint
-  bool const force_single = !(usb_hw->main_ctrl & USB_MAIN_CTRL_HOST_NDEVICE_BITS) && !tu_edpt_dir(ep->ep_addr);
+  // NOTE: this could happen to Host mode IN endpoint
+  // Also, Host mode "interrupt" endpoint hardware is only single buffered,
+  // NOTE2: Currently Host bulk is implemented using "interrupt" endpoint
+  bool const is_host = is_host_mode();
+  bool const force_single = (!is_host && !tu_edpt_dir(ep->ep_addr)) ||
+                            (is_host && tu_edpt_number(ep->ep_addr) != 0);
 
   if(ep->remaining_len && !force_single)
   {
@@ -189,7 +214,7 @@ static void __tusb_irq_path_func(_hw_endpoint_start_next_buffer)(struct hw_endpo
 
 void hw_endpoint_xfer_start(struct hw_endpoint *ep, uint8_t *buffer, uint16_t total_len)
 {
-  _hw_endpoint_lock_update(ep, 1);
+  hw_endpoint_lock_update(ep, 1);
 
   if ( ep->active )
   {
@@ -206,8 +231,20 @@ void hw_endpoint_xfer_start(struct hw_endpoint *ep, uint8_t *buffer, uint16_t to
   ep->active        = true;
   ep->user_buf      = buffer;
 
-  _hw_endpoint_start_next_buffer(ep);
-  _hw_endpoint_lock_update(ep, -1);
+  if ( e15_is_bulkin_ep(ep) )
+  {
+    usb_hw_set->inte = USB_INTS_DEV_SOF_BITS;
+  }
+
+  if ( e15_is_critical_frame_period(ep) )
+  {
+    ep->pending = 1;
+  } else
+  {
+    hw_endpoint_start_next_buffer(ep);
+  }
+
+  hw_endpoint_lock_update(ep, -1);
 }
 
 // sync endpoint buffer and return transferred bytes
@@ -300,7 +337,8 @@ static void __tusb_irq_path_func(_hw_endpoint_xfer_sync) (struct hw_endpoint *ep
 // Returns true if transfer is complete
 bool __tusb_irq_path_func(hw_endpoint_xfer_continue)(struct hw_endpoint *ep)
 {
-  _hw_endpoint_lock_update(ep, 1);
+  hw_endpoint_lock_update(ep, 1);
+
   // Part way through a transfer
   if (!ep->active)
   {
@@ -317,17 +355,75 @@ bool __tusb_irq_path_func(hw_endpoint_xfer_continue)(struct hw_endpoint *ep)
     pico_trace("Completed transfer of %d bytes on ep %d %s\n",
                ep->xferred_len, tu_edpt_number(ep->ep_addr), ep_dir_string[tu_edpt_dir(ep->ep_addr)]);
     // Notify caller we are done so it can notify the tinyusb stack
-    _hw_endpoint_lock_update(ep, -1);
+    hw_endpoint_lock_update(ep, -1);
     return true;
   }
   else
   {
-    _hw_endpoint_start_next_buffer(ep);
+    if ( e15_is_critical_frame_period(ep) )
+    {
+      ep->pending = 1;
+    } else
+    {
+      hw_endpoint_start_next_buffer(ep);
+    }
   }
 
-  _hw_endpoint_lock_update(ep, -1);
+  hw_endpoint_lock_update(ep, -1);
   // More work to do
   return false;
 }
 
+//--------------------------------------------------------------------+
+// Errata 15
+//--------------------------------------------------------------------+
+
+#if TUD_OPT_RP2040_USB_DEVICE_UFRAME_FIX
+
+/* Don't mark IN buffers as available during the last 200us of a full-speed
+   frame. This avoids a situation seen with the USB2.0 hub on a Raspberry
+   Pi 4 where a late IN token before the next full-speed SOF can cause port
+   babble and a corrupt ACK packet. The nature of the data corruption has a
+   chance to cause device lockup.
+
+   Use the next SOF to mark delayed buffers as available. This reduces
+   available Bulk IN bandwidth by approximately 20%, and requires that the
+   SOF interrupt is enabled while these transfers are ongoing.
+
+   Inherit the top-level enable from the corresponding Pico-SDK flag.
+   Applications that will not use the device in a situation where it could
+   be plugged into a Pi 4 or Pi 400 (for example, when directly connected
+   to a commodity hub or other host) can turn off the flag in the SDK.
+*/
+
+volatile uint32_t e15_last_sof = 0;
+
+// check if Errata 15 is needed for this endpoint i.e device bulk-in
+static bool __tusb_irq_path_func(e15_is_bulkin_ep) (struct hw_endpoint *ep)
+{
+  return (!is_host_mode() && tu_edpt_dir(ep->ep_addr) == TUSB_DIR_IN &&
+          ep->transfer_type == TUSB_XFER_BULK);
+}
+
+// check if we need to apply Errata 15 workaround : i.e
+// Endpoint is BULK IN and is currently in critical frame period i.e 20% of last usb frame
+static bool __tusb_irq_path_func(e15_is_critical_frame_period) (struct hw_endpoint *ep)
+{
+  TU_VERIFY(e15_is_bulkin_ep(ep));
+
+  /* Avoid the last 200us (uframe 6.5-7) of a frame, up to the EOF2 point.
+   * The device state machine cannot recover from receiving an incorrect PID
+   * when it is expecting an ACK.
+   */
+  uint32_t delta = time_us_32() - e15_last_sof;
+  if (delta < 800 || delta > 998) {
+    return false;
+  }
+  TU_LOG(3, "Avoiding sof %u now %lu last %lu\n", (usb_hw->sof_rd + 1) & USB_SOF_RD_BITS, time_us_32(), e15_last_sof);
+  return true;
+}
+
+#endif
+
+
 #endif
diff --git a/src/portable/raspberrypi/rp2040/rp2040_usb.h b/src/portable/raspberrypi/rp2040/rp2040_usb.h
index 87fa999ca..79af0204b 100644
--- a/src/portable/raspberrypi/rp2040/rp2040_usb.h
+++ b/src/portable/raspberrypi/rp2040/rp2040_usb.h
@@ -11,11 +11,21 @@
 #include "hardware/structs/usb.h"
 #include "hardware/irq.h"
 #include "hardware/resets.h"
+#include "hardware/timer.h"
 
 #if defined(PICO_RP2040_USB_DEVICE_ENUMERATION_FIX) && !defined(TUD_OPT_RP2040_USB_DEVICE_ENUMERATION_FIX)
 #define TUD_OPT_RP2040_USB_DEVICE_ENUMERATION_FIX PICO_RP2040_USB_DEVICE_ENUMERATION_FIX
 #endif
 
+#if defined(PICO_RP2040_USB_DEVICE_UFRAME_FIX) && !defined(TUD_OPT_RP2040_USB_DEVICE_UFRAME_FIX)
+#define TUD_OPT_RP2040_USB_DEVICE_UFRAME_FIX PICO_RP2040_USB_DEVICE_UFRAME_FIX
+#endif
+
+#if TUD_OPT_RP2040_USB_DEVICE_UFRAME_FIX
+#undef PICO_RP2040_USB_FAST_IRQ
+#define PICO_RP2040_USB_FAST_IRQ 1
+#endif
+
 #ifndef PICO_RP2040_USB_FAST_IRQ
 #define PICO_RP2040_USB_FAST_IRQ 0
 #endif
@@ -26,6 +36,9 @@
 #define __tusb_irq_path_func(x) x
 #endif
 
+#define usb_hw_set hw_set_alias(usb_hw)
+#define usb_hw_clear hw_clear_alias(usb_hw)
+
 #define pico_info(...)  TU_LOG(2, __VA_ARGS__)
 #define pico_trace(...) TU_LOG(3, __VA_ARGS__)
 
@@ -34,11 +47,11 @@ typedef struct hw_endpoint
 {
     // Is this a valid struct
     bool configured;
-    
+
     // Transfer direction (i.e. IN is rx for host but tx for device)
     // allows us to common up transfer functions
     bool rx;
-    
+
     uint8_t ep_addr;
     uint8_t next_pid;
 
@@ -51,20 +64,25 @@ typedef struct hw_endpoint
     // Buffer pointer in usb dpram
     uint8_t *hw_data_buf;
 
+    // User buffer in main memory
+    uint8_t *user_buf;
+
     // Current transfer information
-    bool active;
     uint16_t remaining_len;
     uint16_t xferred_len;
 
-    // User buffer in main memory
-    uint8_t *user_buf;
-
     // Data needed from EP descriptor
     uint16_t wMaxPacketSize;
 
+    // Endpoint is in use
+    bool active;
+
     // Interrupt, bulk, etc
     uint8_t transfer_type;
-    
+
+    // Transfer scheduled but not active
+    uint8_t pending;
+
 #if CFG_TUH_ENABLED
     // Only needed for host
     uint8_t dev_addr;
@@ -72,36 +90,52 @@ typedef struct hw_endpoint
     // If interrupt endpoint
     uint8_t interrupt_num;
 #endif
+
 } hw_endpoint_t;
 
+#if TUD_OPT_RP2040_USB_DEVICE_UFRAME_FIX
+extern volatile uint32_t e15_last_sof;
+#endif
+
 void rp2040_usb_init(void);
 
 void hw_endpoint_xfer_start(struct hw_endpoint *ep, uint8_t *buffer, uint16_t total_len);
 bool hw_endpoint_xfer_continue(struct hw_endpoint *ep);
 void hw_endpoint_reset_transfer(struct hw_endpoint *ep);
+void hw_endpoint_start_next_buffer(struct hw_endpoint *ep);
+
+TU_ATTR_ALWAYS_INLINE static inline void hw_endpoint_lock_update(__unused struct hw_endpoint * ep, __unused int delta) {
+  // todo add critsec as necessary to prevent issues between worker and IRQ...
+  //  note that this is perhaps as simple as disabling IRQs because it would make
+  //  sense to have worker and IRQ on same core, however I think using critsec is about equivalent.
+}
 
 void _hw_endpoint_buffer_control_update32(struct hw_endpoint *ep, uint32_t and_mask, uint32_t or_mask);
 
-TU_ATTR_ALWAYS_INLINE static inline uint32_t _hw_endpoint_buffer_control_get_value32(struct hw_endpoint *ep) {
-    return *ep->buffer_control;
+TU_ATTR_ALWAYS_INLINE static inline uint32_t _hw_endpoint_buffer_control_get_value32 (struct hw_endpoint *ep)
+{
+  return *ep->buffer_control;
 }
 
-TU_ATTR_ALWAYS_INLINE static inline void _hw_endpoint_buffer_control_set_value32(struct hw_endpoint *ep, uint32_t value) {
-    _hw_endpoint_buffer_control_update32(ep, 0, value);
+TU_ATTR_ALWAYS_INLINE static inline void _hw_endpoint_buffer_control_set_value32 (struct hw_endpoint *ep, uint32_t value)
+{
+  _hw_endpoint_buffer_control_update32(ep, 0, value);
 }
 
-TU_ATTR_ALWAYS_INLINE static inline void _hw_endpoint_buffer_control_set_mask32(struct hw_endpoint *ep, uint32_t value) {
-    _hw_endpoint_buffer_control_update32(ep, ~value, value);
+TU_ATTR_ALWAYS_INLINE static inline void _hw_endpoint_buffer_control_set_mask32 (struct hw_endpoint *ep, uint32_t value)
+{
+  _hw_endpoint_buffer_control_update32(ep, ~value, value);
 }
 
-TU_ATTR_ALWAYS_INLINE static inline void _hw_endpoint_buffer_control_clear_mask32(struct hw_endpoint *ep, uint32_t value) {
-    _hw_endpoint_buffer_control_update32(ep, ~value, 0);
+TU_ATTR_ALWAYS_INLINE static inline void _hw_endpoint_buffer_control_clear_mask32 (struct hw_endpoint *ep, uint32_t value)
+{
+  _hw_endpoint_buffer_control_update32(ep, ~value, 0);
 }
 
-static inline uintptr_t hw_data_offset(uint8_t *buf)
+static inline uintptr_t hw_data_offset (uint8_t *buf)
 {
-    // Remove usb base from buffer pointer
-    return (uintptr_t)buf ^ (uintptr_t)usb_dpram;
+  // Remove usb base from buffer pointer
+  return (uintptr_t) buf ^ (uintptr_t) usb_dpram;
 }
 
 extern const char *ep_dir_string[];
diff --git a/src/portable/renesas/usba/dcd_usba.c b/src/portable/renesas/rusb2/dcd_rusb2.c
index fa87c9f4d..78584125f 100644
--- a/src/portable/renesas/usba/dcd_usba.c
+++ b/src/portable/renesas/rusb2/dcd_rusb2.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2020 Koji Kitayama
@@ -31,79 +31,36 @@
 // We disable SOF for now until needed later on
 #define USE_SOF     0
 
-#if CFG_TUD_ENABLED && ( CFG_TUSB_MCU == OPT_MCU_RX63X || \
-                                 CFG_TUSB_MCU == OPT_MCU_RX65X || \
-                                 CFG_TUSB_MCU == OPT_MCU_RX72N )
+#if CFG_TUD_ENABLED && (TU_CHECK_MCU(OPT_MCU_RX63X, OPT_MCU_RX65X, OPT_MCU_RX72N) || \
+                        TU_CHECK_MCU(OPT_MCU_RAXXX))
+
 #include "device/dcd.h"
-#include "iodefine.h"
+#include "rusb2_type.h"
+
+#if TU_CHECK_MCU(OPT_MCU_RX63X, OPT_MCU_RX65X, OPT_MCU_RX72N)
+  #include "rusb2_rx.h"
+#elif TU_CHECK_MCU(OPT_MCU_RAXXX)
+  #include "rusb2_ra.h"
+#else
+  #error "Unsupported MCU"
+#endif
 
 //--------------------------------------------------------------------+
-// MACRO TYPEDEF CONSTANT ENUM DECLARATION
+// MACRO TYPEDEF CONSTANT ENUM
 //--------------------------------------------------------------------+
-#define SYSTEM_PRCR_PRC1     (1<<1)
-#define SYSTEM_PRCR_PRKEY    (0xA5u<<8)
-
-#define USB_FIFOSEL_TX       ((uint16_t)(1u<<5))
-#define USB_FIFOSEL_BIGEND   ((uint16_t)(1u<<8))
-#define USB_FIFOSEL_MBW_8    ((uint16_t)(0u<<10))
-#define USB_FIFOSEL_MBW_16   ((uint16_t)(1u<<10))
-#define USB_IS0_CTSQ         ((uint16_t)(7u))
-#define USB_IS0_DVSQ         ((uint16_t)(7u<<4))
-#define USB_IS0_VALID        ((uint16_t)(1u<<3))
-#define USB_IS0_BRDY         ((uint16_t)(1u<<8))
-#define USB_IS0_NRDY         ((uint16_t)(1u<<9))
-#define USB_IS0_BEMP         ((uint16_t)(1u<<10))
-#define USB_IS0_CTRT         ((uint16_t)(1u<<11))
-#define USB_IS0_DVST         ((uint16_t)(1u<<12))
-#define USB_IS0_SOFR         ((uint16_t)(1u<<13))
-#define USB_IS0_RESM         ((uint16_t)(1u<<14))
-#define USB_IS0_VBINT        ((uint16_t)(1u<<15))
-#define USB_IS1_SACK         ((uint16_t)(1u<<4))
-#define USB_IS1_SIGN         ((uint16_t)(1u<<5))
-#define USB_IS1_EOFERR       ((uint16_t)(1u<<6))
-#define USB_IS1_ATTCH        ((uint16_t)(1u<<11))
-#define USB_IS1_DTCH         ((uint16_t)(1u<<12))
-#define USB_IS1_BCHG         ((uint16_t)(1u<<14))
-#define USB_IS1_OVRCR        ((uint16_t)(1u<<15))
 
-#define USB_IS0_CTSQ_MSK     (7u)
-#define USB_IS0_CTSQ_SETUP   (1u)
-#define USB_IS0_DVSQ_DEF     (1u<<4)
-#define USB_IS0_DVSQ_ADDR    (2u<<4)
-#define USB_IS0_DVSQ_SUSP0   (4u<<4)
-#define USB_IS0_DVSQ_SUSP1   (5u<<4)
-#define USB_IS0_DVSQ_SUSP2   (6u<<4)
-#define USB_IS0_DVSQ_SUSP3   (7u<<4)
-
-#define USB_PIPECTR_PID_NAK   (0u)
-#define USB_PIPECTR_PID_BUF   (1u)
-#define USB_PIPECTR_PID_STALL (2u)
-#define USB_PIPECTR_CCPL      (1u<<2)
-#define USB_PIPECTR_SQMON     (1u<<6)
-#define USB_PIPECTR_SQCLR     (1u<<8)
-#define USB_PIPECTR_ACLRM     (1u<<9)
-#define USB_PIPECTR_INBUFM    (1u<<14)
-#define USB_PIPECTR_BSTS      (1u<<15)
-
-#define USB_FIFOCTR_DTLN     (0x1FF)
-#define USB_FIFOCTR_FRDY     (1u<<13)
-#define USB_FIFOCTR_BCLR     (1u<<14)
-#define USB_FIFOCTR_BVAL     (1u<<15)
-
-#define USB_PIPECFG_SHTNAK   (1u<<7)
-#define USB_PIPECFG_DBLB     (1u<<9)
-#define USB_PIPECFG_BULK     (1u<<14)
-#define USB_PIPECFG_ISO      (3u<<14)
-#define USB_PIPECFG_INT      (2u<<14)
-
-#define FIFO_REQ_CLR         (1u)
-#define FIFO_COMPLETE        (1u<<1)
+/* LINK core registers */
+#if defined(__CCRX__)
+  #define RUSB2 ((RUSB2_REG_t __evenaccess*) RUSB2_REG_BASE)
+#else
+  #define RUSB2 ((RUSB2_REG_t*) RUSB2_REG_BASE)
+#endif
 
-// Start of definition of packed structs (used by the CCRX toolchain)
+/* Start of definition of packed structs (used by the CCRX toolchain) */
 TU_ATTR_PACKED_BEGIN
 TU_ATTR_BIT_FIELD_ORDER_BEGIN
 
-typedef struct {
+typedef struct TU_ATTR_PACKED {
   union {
     struct {
       uint16_t      : 8;
@@ -116,7 +73,7 @@ typedef struct {
   uint16_t TRN;
 } reg_pipetre_t;
 
-typedef union {
+typedef union TU_ATTR_PACKED {
   struct {
     volatile uint16_t u8: 8;
     volatile uint16_t   : 0;
@@ -150,28 +107,6 @@ typedef struct
 //--------------------------------------------------------------------+
 static dcd_data_t _dcd;
 
-static uint32_t disable_interrupt(void)
-{
-  uint32_t pswi;
-#if defined(__CCRX__)
-  pswi = get_psw() & 0x010000;
-  clrpsw_i();
-#else
-  pswi = __builtin_rx_mvfc(0) & 0x010000;
-  __builtin_rx_clrpsw('I');
-#endif
-  return pswi;
-}
-
-static void enable_interrupt(uint32_t pswi)
-{
-#if defined(__CCRX__)
-  set_psw(get_psw() | pswi);
-#else
-  __builtin_rx_mvtc(0, __builtin_rx_mvfc(0) | pswi);
-#endif
-}
-
 static unsigned find_pipe(unsigned xfer)
 {
   switch (xfer) {
@@ -202,22 +137,18 @@ static unsigned find_pipe(unsigned xfer)
 
 static volatile uint16_t* get_pipectr(unsigned num)
 {
-  volatile uint16_t *ctr = NULL;
   if (num) {
-    ctr = (volatile uint16_t*)&USB0.PIPE1CTR.WORD;
-    ctr += num - 1;
+    return (volatile uint16_t*)&(RUSB2->PIPE_CTR[num - 1]);
   } else {
-    ctr = (volatile uint16_t*)&USB0.DCPCTR.WORD;
+    return (volatile uint16_t*)&(RUSB2->DCPCTR);
   }
-  return ctr;
 }
 
 static volatile reg_pipetre_t* get_pipetre(unsigned num)
 {
   volatile reg_pipetre_t* tre = NULL;
   if ((1 <= num) && (num <= 5)) {
-    tre = (volatile reg_pipetre_t*)&USB0.PIPE1TRE.WORD;
-    tre += num - 1;
+    tre = (volatile reg_pipetre_t*)&(RUSB2->PIPE_TR[num - 1].E);
   }
   return tre;
 }
@@ -225,36 +156,31 @@ static volatile reg_pipetre_t* get_pipetre(unsigned num)
 static volatile uint16_t* ep_addr_to_pipectr(uint8_t rhport, unsigned ep_addr)
 {
   (void)rhport;
-  volatile uint16_t *ctr = NULL;
-  const unsigned epn   = tu_edpt_number(ep_addr);
+  const unsigned epn = tu_edpt_number(ep_addr);
   if (epn) {
     const unsigned dir = tu_edpt_dir(ep_addr);
     const unsigned num = _dcd.ep[dir][epn];
-    if (num) {
-      ctr = (volatile uint16_t*)&USB0.PIPE1CTR.WORD;
-      ctr += num - 1;
-    }
+    return get_pipectr(num);
   } else {
-    ctr = (volatile uint16_t*)&USB0.DCPCTR.WORD;
+    return get_pipectr(0);
   }
-  return ctr;
 }
 
 static unsigned edpt0_max_packet_size(void)
 {
-  return USB0.DCPMAXP.BIT.MXPS;
+  return RUSB2->DCPMAXP_b.MXPS;
 }
 
 static unsigned edpt_max_packet_size(unsigned num)
 {
-  USB0.PIPESEL.WORD = num;
-  return USB0.PIPEMAXP.WORD;
+  RUSB2->PIPESEL = num;
+  return RUSB2->PIPEMAXP;
 }
 
 static inline void pipe_wait_for_ready(unsigned num)
 {
-  while (USB0.D0FIFOSEL.BIT.CURPIPE != num) ;
-  while (!USB0.D0FIFOCTR.BIT.FRDY) ;
+  while (RUSB2->D0FIFOSEL_b.CURPIPE != num) ;
+  while (!RUSB2->D0FIFOCTR_b.FRDY) ;
 }
 
 static void pipe_write_packet(void *buf, volatile void *fifo, unsigned len)
@@ -316,13 +242,15 @@ static bool pipe0_xfer_in(void)
   void          *buf = pipe->buf;
   if (len) {
     if (pipe->ff) {
-      pipe_read_write_packet_ff((tu_fifo_t*)buf, (volatile void*)&USB0.CFIFO.WORD, len, TUSB_DIR_IN);
+      pipe_read_write_packet_ff((tu_fifo_t*)buf, (volatile void*)&RUSB2->CFIFO, len, TUSB_DIR_IN);
     } else {
-      pipe_write_packet(buf, (volatile void*)&USB0.CFIFO.WORD, len);
+      pipe_write_packet(buf, (volatile void*)&RUSB2->CFIFO, len);
       pipe->buf = (uint8_t*)buf + len;
     }
   }
-  if (len < mps) USB0.CFIFOCTR.WORD = USB_FIFOCTR_BVAL;
+  if (len < mps) {
+    RUSB2->CFIFOCTR = RUSB2_CFIFOCTR_BVAL_Msk;
+  }
   pipe->remaining = rem - len;
   return false;
 }
@@ -333,18 +261,20 @@ static bool pipe0_xfer_out(void)
   const unsigned rem = pipe->remaining;
 
   const unsigned mps = edpt0_max_packet_size();
-  const unsigned vld = USB0.CFIFOCTR.BIT.DTLN;
+  const unsigned vld = RUSB2->CFIFOCTR_b.DTLN;
   const unsigned len = TU_MIN(TU_MIN(rem, mps), vld);
   void          *buf = pipe->buf;
   if (len) {
     if (pipe->ff) {
-      pipe_read_write_packet_ff((tu_fifo_t*)buf, (volatile void*)&USB0.CFIFO.WORD, len, TUSB_DIR_OUT);
+      pipe_read_write_packet_ff((tu_fifo_t*)buf, (volatile void*)&RUSB2->CFIFO, len, TUSB_DIR_OUT);
     } else {
-      pipe_read_packet(buf, (volatile void*)&USB0.CFIFO.WORD, len);
+      pipe_read_packet(buf, (volatile void*)&RUSB2->CFIFO, len);
       pipe->buf = (uint8_t*)buf + len;
     }
   }
-  if (len < mps) USB0.CFIFOCTR.WORD = USB_FIFOCTR_BCLR;
+  if (len < mps) {
+    RUSB2->CFIFOCTR = RUSB2_CFIFOCTR_BCLR_Msk;
+  }
   pipe->remaining = rem - len;
   if ((len < mps) || (rem == len)) {
     pipe->buf = NULL;
@@ -363,22 +293,24 @@ static bool pipe_xfer_in(unsigned num)
     return true;
   }
 
-  USB0.D0FIFOSEL.WORD = num | USB_FIFOSEL_MBW_16 | (TU_BYTE_ORDER == TU_BIG_ENDIAN ? USB_FIFOSEL_BIGEND : 0);
+  RUSB2->D0FIFOSEL = num | RUSB2_FIFOSEL_MBW_16BIT | (TU_BYTE_ORDER == TU_BIG_ENDIAN ? RUSB2_FIFOSEL_BIGEND : 0);
   const unsigned mps  = edpt_max_packet_size(num);
   pipe_wait_for_ready(num);
   const unsigned len  = TU_MIN(rem, mps);
   void          *buf  = pipe->buf;
   if (len) {
     if (pipe->ff) {
-      pipe_read_write_packet_ff((tu_fifo_t*)buf, (volatile void*)&USB0.D0FIFO.WORD, len, TUSB_DIR_IN);
+      pipe_read_write_packet_ff((tu_fifo_t*)buf, (volatile void*)&RUSB2->D0FIFO, len, TUSB_DIR_IN);
     } else {
-      pipe_write_packet(buf, (volatile void*)&USB0.D0FIFO.WORD, len);
+      pipe_write_packet(buf, (volatile void*)&RUSB2->D0FIFO, len);
       pipe->buf = (uint8_t*)buf + len;
     }
   }
-  if (len < mps) USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
-  USB0.D0FIFOSEL.WORD = 0;
-  while (USB0.D0FIFOSEL.BIT.CURPIPE) ; /* if CURPIPE bits changes, check written value */
+  if (len < mps) {
+    RUSB2->D0FIFOCTR = RUSB2_CFIFOCTR_BVAL_Msk;
+  }
+  RUSB2->D0FIFOSEL = 0;
+  while (RUSB2->D0FIFOSEL_b.CURPIPE) {} /* if CURPIPE bits changes, check written value */
   pipe->remaining = rem - len;
   return false;
 }
@@ -388,24 +320,26 @@ static bool pipe_xfer_out(unsigned num)
   pipe_state_t  *pipe = &_dcd.pipe[num];
   const unsigned rem  = pipe->remaining;
 
-  USB0.D0FIFOSEL.WORD = num | USB_FIFOSEL_MBW_8;
+  RUSB2->D0FIFOSEL = num | RUSB2_FIFOSEL_MBW_8BIT;
   const unsigned mps  = edpt_max_packet_size(num);
   pipe_wait_for_ready(num);
-  const unsigned vld  = USB0.D0FIFOCTR.BIT.DTLN;
+  const unsigned vld  = RUSB2->D0FIFOCTR_b.DTLN;
   const unsigned len  = TU_MIN(TU_MIN(rem, mps), vld);
   void          *buf  = pipe->buf;
   if (len) {
     if (pipe->ff) {
-      pipe_read_write_packet_ff((tu_fifo_t*)buf, (volatile void*)&USB0.D0FIFO.WORD, len, TUSB_DIR_OUT);
+      pipe_read_write_packet_ff((tu_fifo_t*)buf, (volatile void*)&RUSB2->D0FIFO, len, TUSB_DIR_OUT);
     } else {
-      pipe_read_packet(buf, (volatile void*)&USB0.D0FIFO.WORD, len);
+      pipe_read_packet(buf, (volatile void*)&RUSB2->D0FIFO, len);
       pipe->buf = (uint8_t*)buf + len;
     }
   }
-  if (len < mps) USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BCLR;
-  USB0.D0FIFOSEL.WORD = 0;
-  while (USB0.D0FIFOSEL.BIT.CURPIPE) ; /* if CURPIPE bits changes, check written value */
-  pipe->remaining     = rem - len;
+  if (len < mps) {
+    RUSB2->D0FIFOCTR = RUSB2_CFIFOCTR_BCLR_Msk;
+  }
+  RUSB2->D0FIFOSEL = 0;
+  while (RUSB2->D0FIFOSEL_b.CURPIPE) {} /* if CURPIPE bits changes, check written value */
+  pipe->remaining = rem - len;
   if ((len < mps) || (rem == len)) {
     pipe->buf = NULL;
     return NULL != buf;
@@ -416,13 +350,13 @@ static bool pipe_xfer_out(unsigned num)
 static void process_setup_packet(uint8_t rhport)
 {
   uint16_t setup_packet[4];
-  if (0 == (USB0.INTSTS0.WORD & USB_IS0_VALID)) return;
-  USB0.CFIFOCTR.WORD = USB_FIFOCTR_BCLR;
-  setup_packet[0] = tu_le16toh(USB0.USBREQ.WORD);
-  setup_packet[1] = USB0.USBVAL;
-  setup_packet[2] = USB0.USBINDX;
-  setup_packet[3] = USB0.USBLENG;
-  USB0.INTSTS0.WORD = ~USB_IS0_VALID;
+  if (0 == (RUSB2->INTSTS0 & RUSB2_INTSTS0_VALID_Msk)) return;
+  RUSB2->CFIFOCTR = RUSB2_CFIFOCTR_BCLR_Msk;
+  setup_packet[0] = tu_le16toh(RUSB2->USBREQ);
+  setup_packet[1] = RUSB2->USBVAL;
+  setup_packet[2] = RUSB2->USBINDX;
+  setup_packet[3] = RUSB2->USBLENG;
+  RUSB2->INTSTS0 = ~((uint16_t)RUSB2_INTSTS0_VALID_Msk);
   dcd_event_setup_received(rhport, (const uint8_t*)&setup_packet[0], true);
 }
 
@@ -430,7 +364,7 @@ static void process_status_completion(uint8_t rhport)
 {
   uint8_t ep_addr;
   /* Check the data stage direction */
-  if (USB0.CFIFOSEL.WORD & USB_FIFOSEL_TX) {
+  if (RUSB2->CFIFOSEL & RUSB2_CFIFOSEL_ISEL_WRITE) {
     /* IN transfer. */
     ep_addr = tu_edpt_addr(0, TUSB_DIR_IN);
   } else {
@@ -444,11 +378,12 @@ static bool process_pipe0_xfer(int buffer_type, uint8_t ep_addr, void* buffer, u
 {
   /* configure fifo direction and access unit settings */
   if (ep_addr) { /* IN, 2 bytes */
-    USB0.CFIFOSEL.WORD = USB_FIFOSEL_TX | USB_FIFOSEL_MBW_16 | (TU_BYTE_ORDER == TU_BIG_ENDIAN ? USB_FIFOSEL_BIGEND : 0);
-    while (!(USB0.CFIFOSEL.WORD & USB_FIFOSEL_TX)) ;
-  } else {       /* OUT, a byte */
-    USB0.CFIFOSEL.WORD = USB_FIFOSEL_MBW_8;
-    while (USB0.CFIFOSEL.WORD & USB_FIFOSEL_TX) ;
+    RUSB2->CFIFOSEL = RUSB2_CFIFOSEL_ISEL_WRITE | RUSB2_FIFOSEL_MBW_16BIT |
+                         (TU_BYTE_ORDER == TU_BIG_ENDIAN ? RUSB2_FIFOSEL_BIGEND : 0);
+    while (!(RUSB2->CFIFOSEL & RUSB2_CFIFOSEL_ISEL_WRITE)) ;
+  } else { /* OUT, a byte */
+    RUSB2->CFIFOSEL = RUSB2_FIFOSEL_MBW_8BIT;
+    while (RUSB2->CFIFOSEL & RUSB2_CFIFOSEL_ISEL_WRITE) ;
   }
 
   pipe_state_t *pipe = &_dcd.pipe[0];
@@ -458,14 +393,14 @@ static bool process_pipe0_xfer(int buffer_type, uint8_t ep_addr, void* buffer, u
   if (total_bytes) {
     pipe->buf     = buffer;
     if (ep_addr) { /* IN */
-      TU_ASSERT(USB0.DCPCTR.BIT.BSTS && (USB0.USBREQ.WORD & 0x80));
+      TU_ASSERT(RUSB2->DCPCTR_b.BSTS && (RUSB2->USBREQ & 0x80));
       pipe0_xfer_in();
     }
-    USB0.DCPCTR.WORD = USB_PIPECTR_PID_BUF;
+    RUSB2->DCPCTR = RUSB2_PIPE_CTR_PID_BUF;
   } else {
     /* ZLP */
     pipe->buf        = NULL;
-    USB0.DCPCTR.WORD = USB_PIPECTR_CCPL | USB_PIPECTR_PID_BUF;
+    RUSB2->DCPCTR = RUSB2_DCPCTR_CCPL_Msk | RUSB2_PIPE_CTR_PID_BUF;
   }
   return true;
 }
@@ -487,11 +422,11 @@ static bool process_pipe_xfer(int buffer_type, uint8_t ep_addr, void* buffer, ui
     if (total_bytes) {
       pipe_xfer_in(num);
     } else { /* ZLP */
-      USB0.D0FIFOSEL.WORD = num;
+      RUSB2->D0FIFOSEL = num;
       pipe_wait_for_ready(num);
-      USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
-      USB0.D0FIFOSEL.WORD = 0;
-      while (USB0.D0FIFOSEL.BIT.CURPIPE) ; /* if CURPIPE bits changes, check written value */
+      RUSB2->D0FIFOCTR = RUSB2_CFIFOCTR_BVAL_Msk;
+      RUSB2->D0FIFOSEL = 0;
+      while (RUSB2->D0FIFOSEL_b.CURPIPE) ; /* if CURPIPE bits changes, check written value */
     }
   } else {
 #if defined(__CCRX__)
@@ -502,11 +437,11 @@ static bool process_pipe_xfer(int buffer_type, uint8_t ep_addr, void* buffer, ui
     if (pt) {
       const unsigned     mps = edpt_max_packet_size(num);
       volatile uint16_t *ctr = get_pipectr(num);
-      if (*ctr & 0x3) *ctr = USB_PIPECTR_PID_NAK;
+      if (*ctr & 0x3) *ctr = RUSB2_PIPE_CTR_PID_NAK;
       pt->TRE   = TU_BIT(8);
       pt->TRN   = (total_bytes + mps - 1) / mps;
       pt->TRENB = 1;
-      *ctr = USB_PIPECTR_PID_BUF;
+      *ctr = RUSB2_PIPE_CTR_PID_BUF;
     }
   }
   //  TU_LOG1("X %x %d %d\r\n", ep_addr, total_bytes, buffer_type);
@@ -558,28 +493,28 @@ static void process_pipe_brdy(uint8_t rhport, unsigned num)
 
 static void process_bus_reset(uint8_t rhport)
 {
-  USB0.BEMPENB.WORD   = 1;
-  USB0.BRDYENB.WORD   = 1;
-  USB0.CFIFOCTR.WORD  = USB_FIFOCTR_BCLR;
-  USB0.D0FIFOSEL.WORD = 0;
-  while (USB0.D0FIFOSEL.BIT.CURPIPE) ; /* if CURPIPE bits changes, check written value */
-  USB0.D1FIFOSEL.WORD = 0;
-  while (USB0.D1FIFOSEL.BIT.CURPIPE) ; /* if CURPIPE bits changes, check written value */
-  volatile uint16_t *ctr = (volatile uint16_t*)((uintptr_t)(&USB0.PIPE1CTR.WORD));
-  volatile uint16_t *tre = (volatile uint16_t*)((uintptr_t)(&USB0.PIPE1TRE.WORD));
+  RUSB2->BEMPENB = 1;
+  RUSB2->BRDYENB = 1;
+  RUSB2->CFIFOCTR = RUSB2_CFIFOCTR_BCLR_Msk;
+  RUSB2->D0FIFOSEL = 0;
+  while (RUSB2->D0FIFOSEL_b.CURPIPE) ; /* if CURPIPE bits changes, check written value */
+  RUSB2->D1FIFOSEL = 0;
+  while (RUSB2->D1FIFOSEL_b.CURPIPE) ; /* if CURPIPE bits changes, check written value */
+  volatile uint16_t *ctr = (volatile uint16_t*)((uintptr_t) (&RUSB2->PIPE_CTR[0]));
+  volatile uint16_t *tre = (volatile uint16_t*)((uintptr_t) (&RUSB2->PIPE_TR[0].E));
   for (int i = 1; i <= 5; ++i) {
-    USB0.PIPESEL.WORD  = i;
-    USB0.PIPECFG.WORD  = 0;
-    *ctr = USB_PIPECTR_ACLRM;
+    RUSB2->PIPESEL = i;
+    RUSB2->PIPECFG = 0;
+    *ctr = RUSB2_PIPE_CTR_ACLRM_Msk;
     *ctr = 0;
     ++ctr;
     *tre = TU_BIT(8);
     tre += 2;
   }
   for (int i = 6; i <= 9; ++i) {
-    USB0.PIPESEL.WORD  = i;
-    USB0.PIPECFG.WORD  = 0;
-    *ctr = USB_PIPECTR_ACLRM;
+    RUSB2->PIPESEL = i;
+    RUSB2->PIPECFG = 0;
+    *ctr = RUSB2_PIPE_CTR_ACLRM_Msk;
     *ctr = 0;
     ++ctr;
   }
@@ -589,7 +524,7 @@ static void process_bus_reset(uint8_t rhport)
 
 static void process_set_address(uint8_t rhport)
 {
-  const uint32_t addr = USB0.USBADDR.BIT.USBADDR;
+  const uint32_t addr = RUSB2->USBADDR_b.USBADDR;
   if (!addr) return;
   const tusb_control_request_t setup_packet = {
 #if defined(__CCRX__)
@@ -608,59 +543,76 @@ static void process_set_address(uint8_t rhport)
 /*------------------------------------------------------------------*/
 /* Device API
  *------------------------------------------------------------------*/
+
+#if 0 // previously present in the rx driver before generalization
+static uint32_t disable_interrupt(void)
+{
+  uint32_t pswi;
+#if defined(__CCRX__)
+  pswi = get_psw() & 0x010000;
+  clrpsw_i();
+#else
+  pswi = __builtin_rx_mvfc(0) & 0x010000;
+  __builtin_rx_clrpsw('I');
+#endif
+  return pswi;
+}
+
+static void enable_interrupt(uint32_t pswi)
+{
+#if defined(__CCRX__)
+  set_psw(get_psw() | pswi);
+#else
+  __builtin_rx_mvtc(0, __builtin_rx_mvfc(0) | pswi);
+#endif
+}
+#endif
+
 void dcd_init(uint8_t rhport)
 {
   (void)rhport;
-  /* Enable USB0 */
+
+#if 0 // previously present in the rx driver before generalization
   uint32_t pswi = disable_interrupt();
   SYSTEM.PRCR.WORD = SYSTEM_PRCR_PRKEY | SYSTEM_PRCR_PRC1;
   MSTP(USB0) = 0;
   SYSTEM.PRCR.WORD = SYSTEM_PRCR_PRKEY;
   enable_interrupt(pswi);
-  USB0.SYSCFG.BIT.SCKE = 1;
-  while (!USB0.SYSCFG.BIT.SCKE) ;
-  USB0.SYSCFG.BIT.DRPD = 0;
-  USB0.SYSCFG.BIT.DCFM = 0;
-  USB0.SYSCFG.BIT.USBE = 1;
-
-  USB.DPUSR0R.BIT.FIXPHY0 = 0u;    /* USB0 Transceiver Output fixed */
-#if ( CFG_TUSB_MCU == OPT_MCU_RX72N )
-  USB0.PHYSLEW.LONG = 0x5;
-  IR(PERIB, INTB185) = 0;
-#else
-  IR(USB0, USBI0)   = 0;
 #endif
 
+  RUSB2->SYSCFG_b.SCKE = 1;
+  while (!RUSB2->SYSCFG_b.SCKE) ;
+  RUSB2->SYSCFG_b.DRPD = 0;
+  RUSB2->SYSCFG_b.DCFM = 0;
+  RUSB2->SYSCFG_b.USBE = 1;
+
+  // MCU specific PHY init
+  rusb2_phy_init();
+
+  RUSB2->PHYSLEW = 0x5;
+  RUSB2->DPUSR0R_FS_b.FIXPHY0 = 0u; /* USB_BASE Transceiver Output fixed */
+
   /* Setup default control pipe */
-  USB0.DCPMAXP.BIT.MXPS  = 64;
-  USB0.INTENB0.WORD = USB_IS0_VBINT | USB_IS0_BRDY | USB_IS0_BEMP |
-    USB_IS0_DVST | USB_IS0_CTRT | (USE_SOF ? USB_IS0_SOFR: 0) | USB_IS0_RESM;
-  USB0.BEMPENB.WORD = 1;
-  USB0.BRDYENB.WORD = 1;
+  RUSB2->DCPMAXP_b.MXPS = 64;
+  RUSB2->INTENB0 = RUSB2_INTSTS0_VBINT_Msk | RUSB2_INTSTS0_BRDY_Msk | RUSB2_INTSTS0_BEMP_Msk |
+          RUSB2_INTSTS0_DVST_Msk | RUSB2_INTSTS0_CTRT_Msk | (USE_SOF ? RUSB2_INTSTS0_SOFR_Msk : 0) |
+          RUSB2_INTSTS0_RESM_Msk;
+  RUSB2->BEMPENB = 1;
+  RUSB2->BRDYENB = 1;
 
-  if (USB0.INTSTS0.BIT.VBSTS) {
+  if (RUSB2->INTSTS0_b.VBSTS) {
     dcd_connect(rhport);
   }
 }
 
 void dcd_int_enable(uint8_t rhport)
 {
-  (void)rhport;
-#if ( CFG_TUSB_MCU == OPT_MCU_RX72N )
-  IEN(PERIB, INTB185) = 1;
-#else
-  IEN(USB0, USBI0) = 1;
-#endif
+  rusb2_int_enable(rhport);
 }
 
 void dcd_int_disable(uint8_t rhport)
 {
-  (void)rhport;
-#if ( CFG_TUSB_MCU == OPT_MCU_RX72N )
-  IEN(PERIB, INTB185) = 0;
-#else
-  IEN(USB0, USBI0) = 0;
-#endif
+  rusb2_int_disable(rhport);
 }
 
 void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
@@ -672,19 +624,19 @@ void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
 void dcd_remote_wakeup(uint8_t rhport)
 {
   (void)rhport;
-  USB0.DVSTCTR0.BIT.WKUP = 1;
+  RUSB2->DVSTCTR0_b.WKUP = 1;
 }
 
 void dcd_connect(uint8_t rhport)
 {
   (void)rhport;
-  USB0.SYSCFG.BIT.DPRPU = 1;
+  RUSB2->SYSCFG_b.DPRPU = 1;
 }
 
 void dcd_disconnect(uint8_t rhport)
 {
   (void)rhport;
-  USB0.SYSCFG.BIT.DPRPU = 0;
+  RUSB2->SYSCFG_b.DPRPU = 0;
 }
 
 void dcd_sof_enable(uint8_t rhport, bool en)
@@ -720,26 +672,26 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
 
   /* setup pipe */
   dcd_int_disable(rhport);
-  USB0.PIPESEL.WORD  = num;
-  USB0.PIPEMAXP.WORD = mps;
+  RUSB2->PIPESEL = num;
+  RUSB2->PIPEMAXP = mps;
   volatile uint16_t *ctr = get_pipectr(num);
-  *ctr = USB_PIPECTR_ACLRM | USB_PIPECTR_SQCLR;
+  *ctr = RUSB2_PIPE_CTR_ACLRM_Msk | RUSB2_PIPE_CTR_SQCLR_Msk;
   *ctr = 0;
   unsigned cfg = (dir << 4) | epn;
   if (xfer == TUSB_XFER_BULK) {
-    cfg |= (USB_PIPECFG_BULK | USB_PIPECFG_SHTNAK | USB_PIPECFG_DBLB);
+    cfg |= (RUSB2_PIPECFG_TYPE_BULK | RUSB2_PIPECFG_SHTNAK_Msk | RUSB2_PIPECFG_DBLB_Msk);
   } else if (xfer == TUSB_XFER_INTERRUPT) {
-    cfg |= USB_PIPECFG_INT;
+    cfg |= RUSB2_PIPECFG_TYPE_INT;
   } else {
-    cfg |= (USB_PIPECFG_ISO | USB_PIPECFG_DBLB);
+    cfg |= (RUSB2_PIPECFG_TYPE_ISO | RUSB2_PIPECFG_DBLB_Msk);
   }
-  USB0.PIPECFG.WORD  = cfg;
-  USB0.BRDYSTS.WORD  = 0x1FFu ^ TU_BIT(num);
-  USB0.BRDYENB.WORD |= TU_BIT(num);
+  RUSB2->PIPECFG = cfg;
+  RUSB2->BRDYSTS = 0x1FFu ^ TU_BIT(num);
+  RUSB2->BRDYENB |= TU_BIT(num);
   if (dir || (xfer != TUSB_XFER_BULK)) {
-    *ctr = USB_PIPECTR_PID_BUF;
+    *ctr = RUSB2_PIPE_CTR_PID_BUF;
   }
-  // TU_LOG1("O %d %x %x\r\n", USB0.PIPESEL.WORD, USB0.PIPECFG.WORD, USB0.PIPEMAXP.WORD);
+  // TU_LOG1("O %d %x %x\r\n", RUSB2->PIPESEL, RUSB2->PIPECFG, RUSB2->PIPEMAXP);
   dcd_int_enable(rhport);
 
   return true;
@@ -764,11 +716,11 @@ void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
   const unsigned dir = tu_edpt_dir(ep_addr);
   const unsigned num = _dcd.ep[dir][epn];
 
-  USB0.BRDYENB.WORD &= ~TU_BIT(num);
+  RUSB2->BRDYENB &= ~TU_BIT(num);
   volatile uint16_t *ctr = get_pipectr(num);
   *ctr = 0;
-  USB0.PIPESEL.WORD = num;
-  USB0.PIPECFG.WORD = 0;
+  RUSB2->PIPESEL = num;
+  RUSB2->PIPECFG = 0;
   _dcd.pipe[num].ep = 0;
   _dcd.ep[dir][epn] = 0;
 }
@@ -799,8 +751,8 @@ void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr)
   if (!ctr) return;
   dcd_int_disable(rhport);
   const uint32_t pid = *ctr & 0x3;
-  *ctr = pid | USB_PIPECTR_PID_STALL;
-  *ctr = USB_PIPECTR_PID_STALL;
+  *ctr = pid | RUSB2_PIPE_CTR_PID_STALL;
+  *ctr = RUSB2_PIPE_CTR_PID_STALL;
   dcd_int_enable(rhport);
 }
 
@@ -809,15 +761,15 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
   volatile uint16_t *ctr = ep_addr_to_pipectr(rhport, ep_addr);
   if (!ctr) return;
   dcd_int_disable(rhport);
-  *ctr = USB_PIPECTR_SQCLR;
+  *ctr = RUSB2_PIPE_CTR_SQCLR_Msk;
 
   if (tu_edpt_dir(ep_addr)) { /* IN */
-    *ctr = USB_PIPECTR_PID_BUF;
+    *ctr = RUSB2_PIPE_CTR_PID_BUF;
   } else {
     const unsigned num = _dcd.ep[0][tu_edpt_number(ep_addr)];
-    USB0.PIPESEL.WORD  = num;
-    if (USB0.PIPECFG.BIT.TYPE != 1) {
-      *ctr = USB_PIPECTR_PID_BUF;
+    RUSB2->PIPESEL = num;
+    if (RUSB2->PIPECFG_b.TYPE != 1) {
+      *ctr = RUSB2_PIPE_CTR_PID_BUF;
     }
   }
   dcd_int_enable(rhport);
@@ -830,70 +782,71 @@ void dcd_int_handler(uint8_t rhport)
 {
   (void)rhport;
 
-  unsigned is0 = USB0.INTSTS0.WORD;
+  unsigned is0 = RUSB2->INTSTS0;
   /* clear active bits except VALID (don't write 0 to already cleared bits according to the HW manual) */
-  USB0.INTSTS0.WORD = ~((USB_IS0_CTRT | USB_IS0_DVST | USB_IS0_SOFR | USB_IS0_RESM | USB_IS0_VBINT) & is0) | USB_IS0_VALID;
-  if (is0 & USB_IS0_VBINT) {
-    if (USB0.INTSTS0.BIT.VBSTS) {
+  RUSB2->INTSTS0 = ~((RUSB2_INTSTS0_CTRT_Msk | RUSB2_INTSTS0_DVST_Msk | RUSB2_INTSTS0_SOFR_Msk |
+                         RUSB2_INTSTS0_RESM_Msk | RUSB2_INTSTS0_VBINT_Msk) & is0) | RUSB2_INTSTS0_VALID_Msk;
+  if (is0 & RUSB2_INTSTS0_VBINT_Msk) {
+    if (RUSB2->INTSTS0_b.VBSTS) {
       dcd_connect(rhport);
     } else {
       dcd_disconnect(rhport);
     }
   }
-  if (is0 & USB_IS0_RESM) {
+  if (is0 & RUSB2_INTSTS0_RESM_Msk) {
     dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
 #if (0==USE_SOF)
-    USB0.INTENB0.BIT.SOFE = 0;
+    RUSB2->INTENB0_b.SOFE = 0;
 #endif
   }
-  if ((is0 & USB_IS0_SOFR) && USB0.INTENB0.BIT.SOFE) {
+  if ((is0 & RUSB2_INTSTS0_SOFR_Msk) && RUSB2->INTENB0_b.SOFE) {
     // USBD will exit suspended mode when SOF event is received
     dcd_event_bus_signal(rhport, DCD_EVENT_SOF, true);
-#if (0==USE_SOF)
-    USB0.INTENB0.BIT.SOFE = 0;
+#if (0 == USE_SOF)
+    RUSB2->INTENB0_b.SOFE = 0;
 #endif
   }
-  if (is0 & USB_IS0_DVST) {
-    switch (is0 & USB_IS0_DVSQ) {
-    case USB_IS0_DVSQ_DEF:
+  if (is0 & RUSB2_INTSTS0_DVST_Msk) {
+    switch (is0 & RUSB2_INTSTS0_DVSQ_Msk) {
+    case RUSB2_INTSTS0_DVSQ_STATE_DEF:
       process_bus_reset(rhport);
       break;
-    case USB_IS0_DVSQ_ADDR:
+    case RUSB2_INTSTS0_DVSQ_STATE_ADDR:
       process_set_address(rhport);
       break;
-    case USB_IS0_DVSQ_SUSP0:
-    case USB_IS0_DVSQ_SUSP1:
-    case USB_IS0_DVSQ_SUSP2:
-    case USB_IS0_DVSQ_SUSP3:
+    case RUSB2_INTSTS0_DVSQ_STATE_SUSP0:
+    case RUSB2_INTSTS0_DVSQ_STATE_SUSP1:
+    case RUSB2_INTSTS0_DVSQ_STATE_SUSP2:
+    case RUSB2_INTSTS0_DVSQ_STATE_SUSP3:
        dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true);
 #if (0==USE_SOF)
-       USB0.INTENB0.BIT.SOFE = 1;
+      RUSB2->INTENB0_b.SOFE = 1;
 #endif
     default:
       break;
     }
   }
-  if (is0 & USB_IS0_CTRT) {
-    if (is0 & USB_IS0_CTSQ_SETUP) {
+  if (is0 & RUSB2_INTSTS0_CTRT_Msk) {
+    if (is0 & RUSB2_INTSTS0_CTSQ_CTRL_RDATA) {
       /* A setup packet has been received. */
       process_setup_packet(rhport);
-    } else if (0 == (is0 & USB_IS0_CTSQ_MSK)) {
+    } else if (0 == (is0 & RUSB2_INTSTS0_CTSQ_Msk)) {
       /* A ZLP has been sent/received. */
       process_status_completion(rhport);
     }
   }
-  if (is0 & USB_IS0_BEMP) {
-    const unsigned s = USB0.BEMPSTS.WORD;
-    USB0.BEMPSTS.WORD = 0;
+  if (is0 & RUSB2_INTSTS0_BEMP_Msk) {
+    const unsigned s = RUSB2->BEMPSTS;
+    RUSB2->BEMPSTS = 0;
     if (s & 1) {
       process_pipe0_bemp(rhport);
     }
   }
-  if (is0 & USB_IS0_BRDY) {
-    const unsigned m = USB0.BRDYENB.WORD;
-    unsigned s       = USB0.BRDYSTS.WORD & m;
+  if (is0 & RUSB2_INTSTS0_BRDY_Msk) {
+    const unsigned m = RUSB2->BRDYENB;
+    unsigned s = RUSB2->BRDYSTS & m;
     /* clear active bits (don't write 0 to already cleared bits according to the HW manual) */
-    USB0.BRDYSTS.WORD = ~s;
+    RUSB2->BRDYSTS = ~s;
     while (s) {
 #if defined(__CCRX__)
       static const int Mod37BitPosition[] = {
diff --git a/src/portable/renesas/usba/hcd_usba.c b/src/portable/renesas/rusb2/hcd_rusb2.c
index 5246ecb94..e4743223e 100644
--- a/src/portable/renesas/usba/hcd_usba.c
+++ b/src/portable/renesas/rusb2/hcd_rusb2.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2021 Koji Kitayama
@@ -27,86 +27,35 @@
 
 #include "tusb_option.h"
 
-#if CFG_TUH_ENABLED && ( CFG_TUSB_MCU == OPT_MCU_RX63X || \
-                               CFG_TUSB_MCU == OPT_MCU_RX65X || \
-                               CFG_TUSB_MCU == OPT_MCU_RX72N )
+#if CFG_TUH_ENABLED && (TU_CHECK_MCU(OPT_MCU_RX63X, OPT_MCU_RX65X, OPT_MCU_RX72N) || \
+                        TU_CHECK_MCU(OPT_MCU_RAXXX))
+
 #include "host/hcd.h"
-#include "iodefine.h"
+#include "rusb2_type.h"
+
+#if TU_CHECK_MCU(OPT_MCU_RX63X, OPT_MCU_RX65X, OPT_MCU_RX72N)
+  #include "rusb2_rx.h"
+#elif TU_CHECK_MCU(OPT_MCU_RAXXX)
+  #include "rusb2_ra.h"
+#else
+  #error "Unsupported MCU"
+#endif
 
 //--------------------------------------------------------------------+
 // MACRO TYPEDEF CONSTANT ENUM DECLARATION
 //--------------------------------------------------------------------+
-#define SYSTEM_PRCR_PRC1     (1<<1)
-#define SYSTEM_PRCR_PRKEY    (0xA5u<<8)
-
-#define USB_DVSTCTR0_LOW     (1u)
-#define USB_DVSTCTR0_FULL    (2u)
-
-#define USB_FIFOSEL_TX       ((uint16_t)(1u<<5))
-#define USB_FIFOSEL_BIGEND   ((uint16_t)(1u<<8))
-#define USB_FIFOSEL_MBW_8    ((uint16_t)(0u<<10))
-#define USB_FIFOSEL_MBW_16   ((uint16_t)(1u<<10))
-#define USB_IS0_CTSQ         ((uint16_t)(7u))
-#define USB_IS0_DVSQ         ((uint16_t)(7u<<4))
-#define USB_IS0_VALID        ((uint16_t)(1u<<3))
-#define USB_IS0_BRDY         ((uint16_t)(1u<<8))
-#define USB_IS0_NRDY         ((uint16_t)(1u<<9))
-#define USB_IS0_BEMP         ((uint16_t)(1u<<10))
-#define USB_IS0_CTRT         ((uint16_t)(1u<<11))
-#define USB_IS0_DVST         ((uint16_t)(1u<<12))
-#define USB_IS0_SOFR         ((uint16_t)(1u<<13))
-#define USB_IS0_RESM         ((uint16_t)(1u<<14))
-#define USB_IS0_VBINT        ((uint16_t)(1u<<15))
-#define USB_IS1_SACK         ((uint16_t)(1u<<4))
-#define USB_IS1_SIGN         ((uint16_t)(1u<<5))
-#define USB_IS1_EOFERR       ((uint16_t)(1u<<6))
-#define USB_IS1_ATTCH        ((uint16_t)(1u<<11))
-#define USB_IS1_DTCH         ((uint16_t)(1u<<12))
-#define USB_IS1_BCHG         ((uint16_t)(1u<<14))
-#define USB_IS1_OVRCR        ((uint16_t)(1u<<15))
-
-#define USB_IS0_CTSQ_MSK     (7u)
-#define USB_IS0_CTSQ_SETUP   (1u)
-#define USB_IS0_DVSQ_DEF     (1u<<4)
-#define USB_IS0_DVSQ_ADDR    (2u<<4)
-#define USB_IS0_DVSQ_SUSP0   (4u<<4)
-#define USB_IS0_DVSQ_SUSP1   (5u<<4)
-#define USB_IS0_DVSQ_SUSP2   (6u<<4)
-#define USB_IS0_DVSQ_SUSP3   (7u<<4)
-
-#define USB_PIPECTR_PID_MSK   (3u)
-#define USB_PIPECTR_PID_NAK   (0u)
-#define USB_PIPECTR_PID_BUF   (1u)
-#define USB_PIPECTR_PID_STALL (2u)
-#define USB_PIPECTR_CCPL      (1u<<2)
-#define USB_PIPECTR_SQMON     (1u<<6)
-#define USB_PIPECTR_SQCLR     (1u<<8)
-#define USB_PIPECTR_ACLRM     (1u<<9)
-#define USB_PIPECTR_INBUFM    (1u<<14)
-#define USB_PIPECTR_BSTS      (1u<<15)
-
-#define USB_FIFOCTR_DTLN     (0x1FF)
-#define USB_FIFOCTR_FRDY     (1u<<13)
-#define USB_FIFOCTR_BCLR     (1u<<14)
-#define USB_FIFOCTR_BVAL     (1u<<15)
-
-#define USB_PIPECFG_SHTNAK   (1u<<7)
-#define USB_PIPECFG_DBLB     (1u<<9)
-#define USB_PIPECFG_BULK     (1u<<14)
-#define USB_PIPECFG_ISO      (3u<<14)
-#define USB_PIPECFG_INT      (2u<<14)
-
-#define USB_DEVADD_LOW       (1u<<6)
-#define USB_DEVADD_FULL      (2u<<6)
 
-#define FIFO_REQ_CLR         (1u)
-#define FIFO_COMPLETE        (1u<<1)
+/* LINK core registers */
+#if defined(__CCRX__)
+  #define RUSB2 ((RUSB2_REG_t __evenaccess*) RUSB2_REG_BASE)
+#else
+  #define RUSB2 ((RUSB2_REG_t*) RUSB2_REG_BASE)
+#endif
 
-// Start of definition of packed structs (used by the CCRX toolchain)
 TU_ATTR_PACKED_BEGIN
 TU_ATTR_BIT_FIELD_ORDER_BEGIN
 
-typedef struct {
+typedef struct TU_ATTR_PACKED {
   union {
     struct {
       uint16_t      : 8;
@@ -119,7 +68,7 @@ typedef struct {
   uint16_t TRN;
 } reg_pipetre_t;
 
-typedef union {
+typedef union TU_ATTR_PACKED {
   struct {
     volatile uint16_t u8: 8;
     volatile uint16_t   : 0;
@@ -127,8 +76,7 @@ typedef union {
   volatile uint16_t u16;
 } hw_fifo_t;
 
-typedef struct TU_ATTR_PACKED
-{
+typedef struct TU_ATTR_PACKED {
   void      *buf;      /* the start address of a transfer data buffer */
   uint16_t  length;    /* the number of bytes in the buffer */
   uint16_t  remaining; /* the number of bytes remaining in the buffer */
@@ -156,28 +104,6 @@ typedef struct
 //--------------------------------------------------------------------+
 static hcd_data_t _hcd;
 
-static uint32_t disable_interrupt(void)
-{
-  uint32_t pswi;
-#if defined(__CCRX__)
-  pswi = get_psw() & 0x010000;
-  clrpsw_i();
-#else
-  pswi = __builtin_rx_mvfc(0) & 0x010000;
-  __builtin_rx_clrpsw('I');
-#endif
-  return pswi;
-}
-
-static void enable_interrupt(uint32_t pswi)
-{
-#if defined(__CCRX__)
-  set_psw(get_psw() | pswi);
-#else
-  __builtin_rx_mvtc(0, __builtin_rx_mvfc(0) | pswi);
-#endif
-}
-
 static unsigned find_pipe(unsigned xfer)
 {
   switch (xfer) {
@@ -208,58 +134,49 @@ static unsigned find_pipe(unsigned xfer)
 
 static volatile uint16_t* get_pipectr(unsigned num)
 {
-  volatile uint16_t *ctr = NULL;
   if (num) {
-    ctr = (volatile uint16_t*)&USB0.PIPE1CTR.WORD;
-    ctr += num - 1;
+    return (volatile uint16_t*)&(RUSB2->PIPE_CTR[num - 1]);
   } else {
-    ctr = (volatile uint16_t*)&USB0.DCPCTR.WORD;
+    return (volatile uint16_t*)&(RUSB2->DCPCTR);
   }
-  return ctr;
 }
 
 static volatile reg_pipetre_t* get_pipetre(unsigned num)
 {
   volatile reg_pipetre_t* tre = NULL;
   if ((1 <= num) && (num <= 5)) {
-    tre = (volatile reg_pipetre_t*)&USB0.PIPE1TRE.WORD;
-    tre += num - 1;
+    tre = (volatile reg_pipetre_t*)&(RUSB2->PIPE_TR[num - 1].E);
   }
   return tre;
 }
 
 static volatile uint16_t* addr_to_pipectr(uint8_t dev_addr, unsigned ep_addr)
 {
-  volatile uint16_t *ctr = NULL;
-  const unsigned epn   = tu_edpt_number(ep_addr);
+  const unsigned epn = tu_edpt_number(ep_addr);
   if (epn) {
     const unsigned dir_in = tu_edpt_dir(ep_addr);
-    const unsigned num    = _hcd.ep[dev_addr][dir_in][epn - 1];
-    if (num) {
-      ctr = (volatile uint16_t*)&USB0.PIPE1CTR.WORD;
-      ctr += num - 1;
-    }
+    const unsigned num = _hcd.ep[dev_addr][dir_in][epn - 1];
+    return get_pipectr(num);
   } else {
-    ctr = (volatile uint16_t*)&USB0.DCPCTR.WORD;
+    return get_pipectr(0);
   }
-  return ctr;
 }
 
 static unsigned edpt0_max_packet_size(void)
 {
-  return USB0.DCPMAXP.BIT.MXPS;
+  return RUSB2->DCPMAXP_b.MXPS;
 }
 
 static unsigned edpt_max_packet_size(unsigned num)
 {
-  USB0.PIPESEL.WORD = num;
-  return USB0.PIPEMAXP.BIT.MXPS;
+  RUSB2->PIPESEL = num;
+  return RUSB2->PIPEMAXP_b.MXPS;
 }
 
 static inline void pipe_wait_for_ready(unsigned num)
 {
-  while (USB0.D0FIFOSEL.BIT.CURPIPE != num) ;
-  while (!USB0.D0FIFOCTR.BIT.FRDY) ;
+  while (RUSB2->D0FIFOSEL_b.CURPIPE != num) ;
+  while (!RUSB2->D0FIFOCTR_b.FRDY) ;
 }
 
 static void pipe_write_packet(void *buf, volatile void *fifo, unsigned len)
@@ -290,21 +207,23 @@ static bool pipe0_xfer_in(void)
   const unsigned rem = pipe->remaining;
 
   const unsigned mps = edpt0_max_packet_size();
-  const unsigned vld = USB0.CFIFOCTR.BIT.DTLN;
+  const unsigned vld = RUSB2->CFIFOCTR_b.DTLN;
   const unsigned len = TU_MIN(TU_MIN(rem, mps), vld);
   void          *buf = pipe->buf;
   if (len) {
-    USB0.DCPCTR.WORD = USB_PIPECTR_PID_NAK;
-    pipe_read_packet(buf, (volatile void*)&USB0.CFIFO.WORD, len);
+    RUSB2->DCPCTR = RUSB2_PIPE_CTR_PID_NAK;
+    pipe_read_packet(buf, (volatile void*)&RUSB2->CFIFO, len);
     pipe->buf = (uint8_t*)buf + len;
   }
-  if (len < mps) USB0.CFIFOCTR.WORD = USB_FIFOCTR_BCLR;
+  if (len < mps) {
+    RUSB2->CFIFOCTR = RUSB2_CFIFOCTR_BCLR_Msk;
+  }
   pipe->remaining = rem - len;
   if ((len < mps) || (rem == len)) {
     pipe->buf = NULL;
     return true;
   }
-  USB0.DCPCTR.WORD = USB_PIPECTR_PID_BUF;
+  RUSB2->DCPCTR = RUSB2_PIPE_CTR_PID_BUF;
   return false;
 }
 
@@ -320,10 +239,12 @@ static bool pipe0_xfer_out(void)
   const unsigned len = TU_MIN(mps, rem);
   void          *buf = pipe->buf;
   if (len) {
-    pipe_write_packet(buf, (volatile void*)&USB0.CFIFO.WORD, len);
+    pipe_write_packet(buf, (volatile void*)&RUSB2->CFIFO, len);
     pipe->buf = (uint8_t*)buf + len;
   }
-  if (len < mps) USB0.CFIFOCTR.WORD = USB_FIFOCTR_BVAL;
+  if (len < mps) {
+    RUSB2->CFIFOCTR = RUSB2_CFIFOCTR_BVAL_Msk;
+  }
   pipe->remaining = rem - len;
   return false;
 }
@@ -333,20 +254,22 @@ static bool pipe_xfer_in(unsigned num)
   pipe_state_t  *pipe = &_hcd.pipe[num];
   const unsigned rem  = pipe->remaining;
 
-  USB0.D0FIFOSEL.WORD = num | USB_FIFOSEL_MBW_8;
+  RUSB2->D0FIFOSEL = num | RUSB2_FIFOSEL_MBW_8BIT;
   const unsigned mps  = edpt_max_packet_size(num);
   pipe_wait_for_ready(num);
-  const unsigned vld  = USB0.D0FIFOCTR.BIT.DTLN;
+  const unsigned vld  = RUSB2->D0FIFOCTR_b.DTLN;
   const unsigned len  = TU_MIN(TU_MIN(rem, mps), vld);
   void          *buf  = pipe->buf;
   if (len) {
-    pipe_read_packet(buf, (volatile void*)&USB0.D0FIFO.WORD, len);
+    pipe_read_packet(buf, (volatile void*)&RUSB2->D0FIFO, len);
     pipe->buf = (uint8_t*)buf + len;
   }
-  if (len < mps) USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BCLR;
-  USB0.D0FIFOSEL.WORD = 0;
-  while (USB0.D0FIFOSEL.BIT.CURPIPE) ; /* if CURPIPE bits changes, check written value */
-  pipe->remaining     = rem - len;
+  if (len < mps) {
+    RUSB2->D0FIFOCTR = RUSB2_CFIFOCTR_BCLR_Msk;
+  }
+  RUSB2->D0FIFOSEL = 0;
+  while (RUSB2->D0FIFOSEL_b.CURPIPE) ; /* if CURPIPE bits changes, check written value */
+  pipe->remaining = rem - len;
   if ((len < mps) || (rem == len)) {
     pipe->buf = NULL;
     return NULL != buf;
@@ -364,18 +287,19 @@ static bool pipe_xfer_out(unsigned num)
     return true;
   }
 
-  USB0.D0FIFOSEL.WORD = num | USB_FIFOSEL_MBW_16 | (TU_BYTE_ORDER == TU_BIG_ENDIAN ? USB_FIFOSEL_BIGEND : 0);
+  RUSB2->D0FIFOSEL = num | RUSB2_FIFOSEL_MBW_16BIT | (TU_BYTE_ORDER == TU_BIG_ENDIAN ? RUSB2_FIFOSEL_BIGEND : 0);
   const unsigned mps  = edpt_max_packet_size(num);
   pipe_wait_for_ready(num);
   const unsigned len  = TU_MIN(rem, mps);
   void          *buf  = pipe->buf;
   if (len) {
-    pipe_write_packet(buf, (volatile void*)&USB0.D0FIFO.WORD, len);
+    pipe_write_packet(buf, (volatile void*)&RUSB2->D0FIFO, len);
     pipe->buf = (uint8_t*)buf + len;
   }
-  if (len < mps) USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
-  USB0.D0FIFOSEL.WORD = 0;
-  while (USB0.D0FIFOSEL.BIT.CURPIPE) ; /* if CURPIPE bits changes, check written value */
+  if (len < mps)
+    RUSB2->D0FIFOCTR = RUSB2_CFIFOCTR_BVAL_Msk;
+  RUSB2->D0FIFOSEL = 0;
+  while (RUSB2->D0FIFOSEL_b.CURPIPE) ; /* if CURPIPE bits changes, check written value */
   pipe->remaining = rem - len;
   return false;
 }
@@ -387,11 +311,12 @@ static bool process_pipe0_xfer(uint8_t dev_addr, uint8_t ep_addr, void* buffer,
 
   /* configure fifo direction and access unit settings */
   if (dir_in) { /* IN, a byte */
-    USB0.CFIFOSEL.WORD  = USB_FIFOSEL_MBW_8;
-    while (USB0.CFIFOSEL.WORD & USB_FIFOSEL_TX) ;
-  } else {       /* OUT, 2 bytes */
-    USB0.CFIFOSEL.WORD  = USB_FIFOSEL_TX | USB_FIFOSEL_MBW_16 | (TU_BYTE_ORDER == TU_BIG_ENDIAN ? USB_FIFOSEL_BIGEND : 0);
-    while (!(USB0.CFIFOSEL.WORD & USB_FIFOSEL_TX)) ;
+    RUSB2->CFIFOSEL = RUSB2_FIFOSEL_MBW_8BIT;
+    while (RUSB2->CFIFOSEL & RUSB2_CFIFOSEL_ISEL_WRITE) ;
+  } else { /* OUT, 2 bytes */
+    RUSB2->CFIFOSEL = RUSB2_CFIFOSEL_ISEL_WRITE | RUSB2_FIFOSEL_MBW_16BIT |
+                         (TU_BYTE_ORDER == TU_BIG_ENDIAN ? RUSB2_FIFOSEL_BIGEND : 0);
+    while (!(RUSB2->CFIFOSEL & RUSB2_CFIFOSEL_ISEL_WRITE)) ;
   }
 
   pipe_state_t *pipe = &_hcd.pipe[0];
@@ -401,25 +326,25 @@ static bool process_pipe0_xfer(uint8_t dev_addr, uint8_t ep_addr, void* buffer,
   if (buflen) {
     pipe->buf     = buffer;
     if (!dir_in) { /* OUT */
-      TU_ASSERT(USB0.DCPCTR.BIT.BSTS && (USB0.USBREQ.WORD & 0x80));
+      TU_ASSERT(RUSB2->DCPCTR_b.BSTS && (RUSB2->USBREQ & 0x80));
       pipe0_xfer_out();
     }
   } else { /* ZLP */
     pipe->buf        = NULL;
     if (!dir_in) { /* OUT */
-      USB0.CFIFOCTR.WORD = USB_FIFOCTR_BVAL;
+      RUSB2->CFIFOCTR = RUSB2_CFIFOCTR_BVAL_Msk;
     }
-    if (dir_in == USB0.DCPCFG.BIT.DIR) {
-      TU_ASSERT(USB_PIPECTR_PID_NAK == USB0.DCPCTR.BIT.PID);
-      USB0.DCPCTR.BIT.SQSET = 1;
-      USB0.DCPCFG.BIT.DIR = dir_in ^ 1;
+    if (dir_in == RUSB2->DCPCFG_b.DIR) {
+      TU_ASSERT(RUSB2_PIPE_CTR_PID_NAK == RUSB2->DCPCTR_b.PID);
+      RUSB2->DCPCTR_b.SQSET = 1;
+      RUSB2->DCPCFG_b.DIR = dir_in ^ 1;
     }
   }
-  USB0.DCPCTR.WORD = USB_PIPECTR_PID_BUF;
+  RUSB2->DCPCTR = RUSB2_PIPE_CTR_PID_BUF;
   return true;
 }
 
-static bool process_pipe_xfer(uint8_t dev_addr, uint8_t ep_addr, void* buffer, uint16_t buflen)
+static bool process_pipe_xfer(uint8_t dev_addr, uint8_t ep_addr, void *buffer, uint16_t buflen)
 {
   const unsigned epn    = tu_edpt_number(ep_addr);
   const unsigned dir_in = tu_edpt_dir(ep_addr);
@@ -435,23 +360,23 @@ static bool process_pipe_xfer(uint8_t dev_addr, uint8_t ep_addr, void* buffer, u
     if (buflen) {
       pipe_xfer_out(num);
     } else { /* ZLP */
-      USB0.D0FIFOSEL.WORD = num;
+      RUSB2->D0FIFOSEL = num;
       pipe_wait_for_ready(num);
-      USB0.D0FIFOCTR.WORD = USB_FIFOCTR_BVAL;
-      USB0.D0FIFOSEL.WORD = 0;
-      while (USB0.D0FIFOSEL.BIT.CURPIPE) ; /* if CURPIPE bits changes, check written value */
+      RUSB2->D0FIFOCTR = RUSB2_CFIFOCTR_BVAL_Msk;
+      RUSB2->D0FIFOSEL = 0;
+      while (RUSB2->D0FIFOSEL_b.CURPIPE) {} /* if CURPIPE bits changes, check written value */
     }
   } else {
     volatile uint16_t     *ctr = get_pipectr(num);
     volatile reg_pipetre_t *pt = get_pipetre(num);
     if (pt) {
       const unsigned     mps = edpt_max_packet_size(num);
-      if (*ctr & 0x3) *ctr = USB_PIPECTR_PID_NAK;
+      if (*ctr & 0x3) *ctr = RUSB2_PIPE_CTR_PID_NAK;
       pt->TRE   = TU_BIT(8);
       pt->TRN   = (buflen + mps - 1) / mps;
       pt->TRENB = 1;
     }
-    *ctr = USB_PIPECTR_PID_BUF;
+    *ctr = RUSB2_PIPE_CTR_PID_BUF;
   }
   return true;
 }
@@ -485,10 +410,10 @@ static void process_pipe_nrdy(uint8_t rhport, unsigned num)
   unsigned result;
   uint16_t volatile *ctr = get_pipectr(num);
   // TU_LOG1("NRDY %d %x\n", num, *ctr);
-  switch (*ctr & USB_PIPECTR_PID_MSK) {
+  switch (*ctr & RUSB2_PIPE_CTR_PID_Msk) {
     default: return;
-    case USB_PIPECTR_PID_STALL: result = XFER_RESULT_STALLED; break;
-    case USB_PIPECTR_PID_NAK:   result = XFER_RESULT_FAILED;  break;
+    case RUSB2_PIPE_CTR_PID_STALL: result = XFER_RESULT_STALLED; break;
+    case RUSB2_PIPE_CTR_PID_NAK:   result = XFER_RESULT_FAILED;  break;
   }
   pipe_state_t *pipe = &_hcd.pipe[num];
   hcd_event_xfer_complete(pipe->dev, pipe->ep,
@@ -520,78 +445,93 @@ static void process_pipe_brdy(uint8_t rhport, unsigned num)
   }
 }
 
-
 /*------------------------------------------------------------------*/
 /* Host API
  *------------------------------------------------------------------*/
+
+#if 0 // previously present in the rx driver before generalization
+static uint32_t disable_interrupt(void)
+{
+  uint32_t pswi;
+#if defined(__CCRX__)
+  pswi = get_psw() & 0x010000;
+  clrpsw_i();
+#else
+  pswi = __builtin_rx_mvfc(0) & 0x010000;
+  __builtin_rx_clrpsw('I');
+#endif
+  return pswi;
+}
+
+static void enable_interrupt(uint32_t pswi)
+{
+#if defined(__CCRX__)
+  set_psw(get_psw() | pswi);
+#else
+  __builtin_rx_mvtc(0, __builtin_rx_mvfc(0) | pswi);
+#endif
+}
+#endif
+
 bool hcd_init(uint8_t rhport)
 {
   (void)rhport;
-  /* Enable USB0 */
+
+#if 0 // previously present in the rx driver before generalization
   uint32_t pswi = disable_interrupt();
   SYSTEM.PRCR.WORD = SYSTEM_PRCR_PRKEY | SYSTEM_PRCR_PRC1;
   MSTP(USB0) = 0;
   SYSTEM.PRCR.WORD = SYSTEM_PRCR_PRKEY;
   enable_interrupt(pswi);
-  USB0.SYSCFG.BIT.SCKE = 1;
-  while (!USB0.SYSCFG.BIT.SCKE) ;
-  USB0.SYSCFG.BIT.DPRPU = 0;
-  USB0.SYSCFG.BIT.DRPD = 0;
-  USB0.SYSCFG.BIT.DCFM = 1;
+#endif
 
-  USB0.DVSTCTR0.BIT.VBUSEN = 1;
+  RUSB2->SYSCFG_b.SCKE = 1;
+  while (!RUSB2->SYSCFG_b.SCKE) ;
+  RUSB2->SYSCFG_b.DPRPU = 0;
+  RUSB2->SYSCFG_b.DRPD = 0;
+  RUSB2->SYSCFG_b.DCFM = 1;
 
-  USB0.SYSCFG.BIT.DRPD = 1;
+  RUSB2->DVSTCTR0_b.VBUSEN = 1;
+
+  RUSB2->SYSCFG_b.DRPD = 1;
   for (volatile int i = 0; i < 30000; ++i) ;
-  USB0.SYSCFG.BIT.USBE = 1;
+  RUSB2->SYSCFG_b.USBE = 1;
 
-  USB.DPUSR0R.BIT.FIXPHY0 = 0u;    /* USB0 Transceiver Output fixed */
-#if ( CFG_TUSB_MCU == OPT_MCU_RX72N )
-  USB0.PHYSLEW.LONG = 0x5;
-  IR(PERIB, INTB185) = 0;
-#else
-  IR(USB0, USBI0)   = 0;
-#endif
+  // MCU specific PHY init
+  rusb2_phy_init();
+
+  RUSB2->PHYSLEW = 0x5;
+  RUSB2->DPUSR0R_FS_b.FIXPHY0 = 0u; /* Transceiver Output fixed */
 
   /* Setup default control pipe */
-  USB0.DCPCFG.WORD  = USB_PIPECFG_SHTNAK;
-  USB0.DCPMAXP.WORD = 64;
-  USB0.INTENB0.WORD = USB_IS0_BRDY | USB_IS0_NRDY | USB_IS0_BEMP;
-  USB0.INTENB1.WORD = USB_IS1_SACK | USB_IS1_SIGN |
-    USB_IS1_ATTCH | USB_IS1_DTCH;
-  USB0.BEMPENB.WORD = 1;
-  USB0.NRDYENB.WORD = 1;
-  USB0.BRDYENB.WORD = 1;
+  RUSB2->DCPCFG  = RUSB2_PIPECFG_SHTNAK_Msk;
+  RUSB2->DCPMAXP = 64;
+  RUSB2->INTENB0 = RUSB2_INTSTS0_BRDY_Msk | RUSB2_INTSTS0_NRDY_Msk | RUSB2_INTSTS0_BEMP_Msk;
+  RUSB2->INTENB1 = RUSB2_INTSTS1_SACK_Msk | RUSB2_INTSTS1_SIGN_Msk | RUSB2_INTSTS1_ATTCH_Msk | RUSB2_INTSTS1_DTCH_Msk;
+  RUSB2->BEMPENB = 1;
+  RUSB2->NRDYENB = 1;
+  RUSB2->BRDYENB = 1;
+
   return true;
 }
 
 void hcd_int_enable(uint8_t rhport)
 {
-  (void)rhport;
-#if ( CFG_TUSB_MCU == OPT_MCU_RX72N )
-  IEN(PERIB, INTB185) = 1;
-#else
-  IEN(USB0, USBI0) = 1;
-#endif
+  rusb2_int_enable(rhport);
 }
 
 void hcd_int_disable(uint8_t rhport)
 {
-  (void)rhport;
-#if ( CFG_TUSB_MCU == OPT_MCU_RX72N )
-  IEN(PERIB, INTB185) = 0;
-#else
-  IEN(USB0, USBI0) = 0;
-#endif
+  rusb2_int_disable(rhport);
 }
 
 uint32_t hcd_frame_number(uint8_t rhport)
 {
   (void)rhport;
-  /* The device must be reset at least once after connection 
+  /* The device must be reset at least once after connection
    * in order to start the frame counter. */
   if (_hcd.need_reset) hcd_port_reset(rhport);
-  return USB0.FRMNUM.BIT.FRNM;
+  return RUSB2->FRMNUM_b.FRNM;
 }
 
 /*--------------------------------------------------------------------+
@@ -600,23 +540,24 @@ uint32_t hcd_frame_number(uint8_t rhport)
 bool hcd_port_connect_status(uint8_t rhport)
 {
   (void)rhport;
-  return USB0.INTSTS1.BIT.ATTCH ? true: false;
+  return RUSB2->INTSTS1_b.ATTCH ? true : false;
 }
 
 void hcd_port_reset(uint8_t rhport)
 {
-  USB0.DCPCTR.WORD = USB_PIPECTR_PID_NAK;
-  while (USB0.DCPCTR.BIT.PBUSY) ;
+  RUSB2->DCPCTR = RUSB2_PIPE_CTR_PID_NAK;
+  while (RUSB2->DCPCTR_b.PBUSY) ;
   hcd_int_disable(rhport);
-  USB0.DVSTCTR0.BIT.UACT   = 0;
-  if (USB0.DCPCTR.BIT.SUREQ)
-    USB0.DCPCTR.BIT.SUREQCLR = 1;
+  RUSB2->DVSTCTR0_b.UACT = 0;
+  if (RUSB2->DCPCTR_b.SUREQ) {
+    RUSB2->DCPCTR_b.SUREQCLR = 1;
+  }
   hcd_int_enable(rhport);
   /* Reset should be asserted 10-20ms. */
-  USB0.DVSTCTR0.BIT.USBRST = 1;
+  RUSB2->DVSTCTR0_b.USBRST = 1;
   for (volatile int i = 0; i < 2400000; ++i) ;
-  USB0.DVSTCTR0.BIT.USBRST = 0;
-  USB0.DVSTCTR0.BIT.UACT   = 1;
+  RUSB2->DVSTCTR0_b.USBRST = 0;
+  RUSB2->DVSTCTR0_b.UACT = 1;
   _hcd.need_reset = false;
 }
 
@@ -628,10 +569,10 @@ void hcd_port_reset_end(uint8_t rhport)
 tusb_speed_t hcd_port_speed_get(uint8_t rhport)
 {
   (void)rhport;
-  switch (USB0.DVSTCTR0.BIT.RHST) {
+  switch (RUSB2->DVSTCTR0_b.RHST) {
     default: return TUSB_SPEED_INVALID;
-    case USB_DVSTCTR0_FULL: return TUSB_SPEED_FULL;
-    case USB_DVSTCTR0_LOW:  return TUSB_SPEED_LOW;
+    case RUSB2_DVSTCTR0_RHST_FS: return TUSB_SPEED_FULL;
+    case RUSB2_DVSTCTR0_RHST_LS:  return TUSB_SPEED_LOW;
   }
 }
 
@@ -647,13 +588,13 @@ void hcd_device_close(uint8_t rhport, uint8_t dev_addr)
     unsigned num = *ep;
     if (!num || dev_addr != _hcd.pipe[num].dev) continue;
 
-    ctr  = (uint16_t volatile*)&USB0.PIPE1CTR.WORD + num - 1;
+    ctr = (uint16_t volatile*)&RUSB2->PIPE_CTR[num - 1];
     *ctr = 0;
-    USB0.NRDYENB.WORD &= ~TU_BIT(num);
-    USB0.BRDYENB.WORD &= ~TU_BIT(num);
-    USB0.PIPESEL.WORD  = num;
-    USB0.PIPECFG.WORD  = 0;
-    USB0.PIPEMAXP.WORD = 0;
+    RUSB2->NRDYENB &= ~TU_BIT(num);
+    RUSB2->BRDYENB &= ~TU_BIT(num);
+    RUSB2->PIPESEL = num;
+    RUSB2->PIPECFG = 0;
+    RUSB2->PIPEMAXP = 0;
 
     _hcd.pipe[num].ep  = 0;
     _hcd.pipe[num].dev = 0;
@@ -667,36 +608,36 @@ void hcd_device_close(uint8_t rhport, uint8_t dev_addr)
 bool hcd_setup_send(uint8_t rhport, uint8_t dev_addr, uint8_t const setup_packet[8])
 {
   (void)rhport;
-  //  TU_LOG1("S %d %x\n", dev_addr, USB0.DCPCTR.WORD);
+  //  TU_LOG1("S %d %x\n", dev_addr, RUSB2->DCPCTR);
 
   TU_ASSERT(dev_addr < 6); /* USBa can only handle addresses from 0 to 5. */
-  TU_ASSERT(0 == USB0.DCPCTR.BIT.SUREQ);
+  TU_ASSERT(0 == RUSB2->DCPCTR_b.SUREQ);
 
-  USB0.DCPCTR.WORD = USB_PIPECTR_PID_NAK;
+  RUSB2->DCPCTR = RUSB2_PIPE_CTR_PID_NAK;
 
   _hcd.pipe[0].buf       = NULL;
   _hcd.pipe[0].length    = 8;
   _hcd.pipe[0].remaining = 0;
   _hcd.pipe[0].dev       = dev_addr;
 
-  while (USB0.DCPCTR.BIT.PBUSY) ;
-  USB0.DCPMAXP.WORD      = (dev_addr << 12) | _hcd.ctl_mps[dev_addr];
+  while (RUSB2->DCPCTR_b.PBUSY) ;
+  RUSB2->DCPMAXP = (dev_addr << 12) | _hcd.ctl_mps[dev_addr];
 
   /* Set direction in advance for DATA stage */
   uint8_t const bmRequesttype = setup_packet[0];
-  USB0.DCPCFG.BIT.DIR = tu_edpt_dir(bmRequesttype) ? 0: 1;
+  RUSB2->DCPCFG_b.DIR = tu_edpt_dir(bmRequesttype) ? 0: 1;
 
   uint16_t const* p = (uint16_t const*)(uintptr_t)&setup_packet[0];
-  USB0.USBREQ.WORD = tu_htole16(p[0]);
-  USB0.USBVAL      = p[1];
-  USB0.USBINDX     = p[2];
-  USB0.USBLENG     = p[3];
+  RUSB2->USBREQ  = tu_htole16(p[0]);
+  RUSB2->USBVAL  = p[1];
+  RUSB2->USBINDX = p[2];
+  RUSB2->USBLENG = p[3];
 
-  USB0.DCPCTR.BIT.SUREQ = 1;
+  RUSB2->DCPCTR_b.SUREQ = 1;
   return true;
 }
 
-bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const * ep_desc)
+bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const *ep_desc)
 {
   (void)rhport;
   TU_ASSERT(dev_addr < 6); /* USBa can only handle addresses from 0 to 5. */
@@ -705,14 +646,14 @@ bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const
   const unsigned epn     = tu_edpt_number(ep_addr);
   const unsigned mps     = tu_edpt_packet_size(ep_desc);
   if (0 == epn) {
-    USB0.DCPCTR.WORD = USB_PIPECTR_PID_NAK;
+    RUSB2->DCPCTR = RUSB2_PIPE_CTR_PID_NAK;
     hcd_devtree_info_t devtree;
     hcd_devtree_get_info(dev_addr, &devtree);
-    uint16_t volatile *devadd = (uint16_t volatile *)(uintptr_t)&USB0.DEVADD0.WORD;
+    uint16_t volatile *devadd = (uint16_t volatile *)(uintptr_t) &RUSB2->DEVADD[0];
     devadd += dev_addr;
-    while (USB0.DCPCTR.BIT.PBUSY) ;
-    USB0.DCPMAXP.WORD = (dev_addr << 12) | mps;
-    *devadd = (TUSB_SPEED_FULL == devtree.speed) ? USB_DEVADD_FULL : USB_DEVADD_LOW;
+    while (RUSB2->DCPCTR_b.PBUSY) ;
+    RUSB2->DCPMAXP = (dev_addr << 12) | mps;
+    *devadd = (TUSB_SPEED_FULL == devtree.speed) ? RUSB2_DEVADD_USBSPD_FS : RUSB2_DEVADD_USBSPD_LS;
     _hcd.ctl_mps[dev_addr] = mps;
     return true;
   }
@@ -731,25 +672,25 @@ bool hcd_edpt_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_endpoint_t const
 
   /* setup pipe */
   hcd_int_disable(rhport);
-  USB0.PIPESEL.WORD  = num;
-  USB0.PIPEMAXP.WORD = (dev_addr << 12) | mps;
+  RUSB2->PIPESEL = num;
+  RUSB2->PIPEMAXP = (dev_addr << 12) | mps;
   volatile uint16_t *ctr = get_pipectr(num);
-  *ctr = USB_PIPECTR_ACLRM | USB_PIPECTR_SQCLR;
+  *ctr = RUSB2_PIPE_CTR_ACLRM_Msk | RUSB2_PIPE_CTR_SQCLR_Msk;
   *ctr = 0;
   unsigned cfg = ((1 ^ dir_in) << 4) | epn;
   if (xfer == TUSB_XFER_BULK) {
-    cfg |= USB_PIPECFG_BULK | USB_PIPECFG_SHTNAK | USB_PIPECFG_DBLB;
+    cfg |= RUSB2_PIPECFG_TYPE_BULK | RUSB2_PIPECFG_SHTNAK_Msk | RUSB2_PIPECFG_DBLB_Msk;
   } else if (xfer == TUSB_XFER_INTERRUPT) {
-    cfg |= USB_PIPECFG_INT;
+    cfg |= RUSB2_PIPECFG_TYPE_INT;
   } else {
-    cfg |= USB_PIPECFG_ISO | USB_PIPECFG_DBLB;
+    cfg |= RUSB2_PIPECFG_TYPE_ISO | RUSB2_PIPECFG_DBLB_Msk;
   }
-  USB0.PIPECFG.WORD  = cfg;
-  USB0.BRDYSTS.WORD  = 0x1FFu ^ TU_BIT(num);
-  USB0.NRDYENB.WORD |= TU_BIT(num);
-  USB0.BRDYENB.WORD |= TU_BIT(num);
+  RUSB2->PIPECFG = cfg;
+  RUSB2->BRDYSTS = 0x1FFu ^ TU_BIT(num);
+  RUSB2->NRDYENB |= TU_BIT(num);
+  RUSB2->BRDYENB |= TU_BIT(num);
   if (!dir_in) {
-    *ctr = USB_PIPECTR_PID_BUF;
+    *ctr = RUSB2_PIPE_CTR_PID_BUF;
   }
   hcd_int_enable(rhport);
 
@@ -776,12 +717,12 @@ bool hcd_edpt_clear_stall(uint8_t dev_addr, uint8_t ep_addr)
     *ctr = pid & 2;
     *ctr = 0;
   }
-  *ctr = USB_PIPECTR_SQCLR;
+  *ctr = RUSB2_PIPE_CTR_SQCLR_Msk;
   unsigned const epn = tu_edpt_number(ep_addr);
   if (!epn) return true;
 
   if (!tu_edpt_dir(ep_addr)) { /* OUT */
-    *ctr = USB_PIPECTR_PID_BUF;
+    *ctr = RUSB2_PIPE_CTR_PID_BUF;
   }
   return true;
 }
@@ -799,52 +740,49 @@ void hcd_int_handler(uint8_t rhport)
     20, 8, 19, 18};
 #endif
 
-  unsigned is1 = USB0.INTSTS1.WORD;
-  unsigned is0 = USB0.INTSTS0.WORD;
+  unsigned is1 = RUSB2->INTSTS1;
+  unsigned is0 = RUSB2->INTSTS0;
   /* clear active bits except VALID (don't write 0 to already cleared bits according to the HW manual) */
-  USB0.INTSTS1.WORD = ~((USB_IS1_SACK | USB_IS1_SIGN | USB_IS1_ATTCH | USB_IS1_DTCH) & is1);
-  USB0.INTSTS0.WORD = ~((USB_IS0_BRDY | USB_IS0_NRDY | USB_IS0_BEMP) & is0);
+  RUSB2->INTSTS1 = ~((RUSB2_INTSTS1_SACK_Msk | RUSB2_INTSTS1_SIGN_Msk | RUSB2_INTSTS1_ATTCH_Msk | RUSB2_INTSTS1_DTCH_Msk) & is1);
+  RUSB2->INTSTS0 = ~((RUSB2_INTSTS0_BRDY_Msk | RUSB2_INTSTS0_NRDY_Msk | RUSB2_INTSTS0_BEMP_Msk) & is0);
   // TU_LOG1("IS %04x %04x\n", is0, is1);
-  is1 &= USB0.INTENB1.WORD;
-  is0 &= USB0.INTENB0.WORD;
+  is1 &= RUSB2->INTENB1;
+  is0 &= RUSB2->INTENB0;
 
-  if (is1 & USB_IS1_SACK) {
+  if (is1 & RUSB2_INTSTS1_SACK_Msk) {
     /* Set DATA1 in advance for the next transfer. */
-    USB0.DCPCTR.BIT.SQSET = 1;
-    hcd_event_xfer_complete(USB0.DCPMAXP.BIT.DEVSEL,
-                            tu_edpt_addr(0, TUSB_DIR_OUT),
-                            8, XFER_RESULT_SUCCESS, true);
+    RUSB2->DCPCTR_b.SQSET = 1;
+    hcd_event_xfer_complete(RUSB2->DCPMAXP_b.DEVSEL, tu_edpt_addr(0, TUSB_DIR_OUT), 8, XFER_RESULT_SUCCESS, true);
   }
-  if (is1 & USB_IS1_SIGN) {
-    hcd_event_xfer_complete(USB0.DCPMAXP.BIT.DEVSEL,
-                            tu_edpt_addr(0, TUSB_DIR_OUT),
-                            8, XFER_RESULT_FAILED, true);
+  if (is1 & RUSB2_INTSTS1_SIGN_Msk) {
+    hcd_event_xfer_complete(RUSB2->DCPMAXP_b.DEVSEL, tu_edpt_addr(0, TUSB_DIR_OUT), 8, XFER_RESULT_FAILED, true);
   }
-  if (is1 & USB_IS1_ATTCH) {
-    USB0.DVSTCTR0.BIT.UACT = 1;
+  if (is1 & RUSB2_INTSTS1_ATTCH_Msk) {
+    RUSB2->DVSTCTR0_b.UACT = 1;
     _hcd.need_reset = true;
-    USB0.INTENB1.WORD = (USB0.INTENB1.WORD & ~USB_IS1_ATTCH) | USB_IS1_DTCH;
+    RUSB2->INTENB1 = (RUSB2->INTENB1 & ~RUSB2_INTSTS1_ATTCH_Msk) | RUSB2_INTSTS1_DTCH_Msk;
     hcd_event_device_attach(rhport, true);
   }
-  if (is1 & USB_IS1_DTCH) {
-    USB0.DVSTCTR0.BIT.UACT = 0;
-    if (USB0.DCPCTR.BIT.SUREQ)
-      USB0.DCPCTR.BIT.SUREQCLR = 1;
-    USB0.INTENB1.WORD = (USB0.INTENB1.WORD & ~USB_IS1_DTCH) | USB_IS1_ATTCH;
+  if (is1 & RUSB2_INTSTS1_DTCH_Msk) {
+    RUSB2->DVSTCTR0_b.UACT = 0;
+    if (RUSB2->DCPCTR_b.SUREQ) {
+      RUSB2->DCPCTR_b.SUREQCLR = 1;
+    }
+    RUSB2->INTENB1 = (RUSB2->INTENB1 & ~RUSB2_INTSTS1_DTCH_Msk) | RUSB2_INTSTS1_ATTCH_Msk;
     hcd_event_device_remove(rhport, true);
   }
 
-  if (is0 & USB_IS0_BEMP) {
-    const unsigned s = USB0.BEMPSTS.WORD;
-    USB0.BEMPSTS.WORD = 0;
+  if (is0 & RUSB2_INTSTS0_BEMP_Msk) {
+    const unsigned s = RUSB2->BEMPSTS;
+    RUSB2->BEMPSTS = 0;
     if (s & 1) {
       process_pipe0_bemp(rhport);
     }
   }
-  if (is0 & USB_IS0_NRDY) {
-    const unsigned m = USB0.NRDYENB.WORD;
-    unsigned s       = USB0.NRDYSTS.WORD & m;
-    USB0.NRDYSTS.WORD = ~s;
+  if (is0 & RUSB2_INTSTS0_NRDY_Msk) {
+    const unsigned m = RUSB2->NRDYENB;
+    unsigned s = RUSB2->NRDYSTS & m;
+    RUSB2->NRDYSTS = ~s;
     while (s) {
 #if defined(__CCRX__)
       const unsigned num = Mod37BitPosition[(-s & s) % 37];
@@ -855,11 +793,11 @@ void hcd_int_handler(uint8_t rhport)
       s &= ~TU_BIT(num);
     }
   }
-  if (is0 & USB_IS0_BRDY) {
-    const unsigned m = USB0.BRDYENB.WORD;
-    unsigned s       = USB0.BRDYSTS.WORD & m;
+  if (is0 & RUSB2_INTSTS0_BRDY_Msk) {
+    const unsigned m = RUSB2->BRDYENB;
+    unsigned s = RUSB2->BRDYSTS & m;
     /* clear active bits (don't write 0 to already cleared bits according to the HW manual) */
-    USB0.BRDYSTS.WORD = ~s;
+    RUSB2->BRDYSTS = ~s;
     while (s) {
 #if defined(__CCRX__)
       const unsigned num = Mod37BitPosition[(-s & s) % 37];
diff --git a/src/portable/renesas/rusb2/rusb2_ra.h b/src/portable/renesas/rusb2/rusb2_ra.h
new file mode 100644
index 000000000..5785850cc
--- /dev/null
+++ b/src/portable/renesas/rusb2/rusb2_ra.h
@@ -0,0 +1,60 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 Rafael Silva (@perigoso)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef _RUSB2_RA_H_
+#define _RUSB2_RA_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* renesas fsp api */
+#include "bsp_api.h"
+
+#define RUSB2_REG_BASE (0x40090000)
+
+TU_ATTR_ALWAYS_INLINE static inline void rusb2_int_enable(uint8_t rhport)
+{
+  (void) rhport;
+  NVIC_EnableIRQ(TU_IRQn);
+}
+
+TU_ATTR_ALWAYS_INLINE static inline void rusb2_int_disable(uint8_t rhport)
+{
+  (void) rhport;
+  NVIC_DisableIRQ(TU_IRQn);
+}
+
+// MCU specific PHY init
+TU_ATTR_ALWAYS_INLINE static inline void rusb2_phy_init(void)
+{
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RUSB2_RA_H_ */
diff --git a/src/portable/renesas/rusb2/rusb2_rx.h b/src/portable/renesas/rusb2/rusb2_rx.h
new file mode 100644
index 000000000..397c0d56c
--- /dev/null
+++ b/src/portable/renesas/rusb2/rusb2_rx.h
@@ -0,0 +1,74 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Koji Kitayama
+ * Portions copyrighted (c) 2021 Roland Winistoerfer
+ * Copyright (c) 2022 Rafael Silva (@perigoso)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef _RUSB2_RX_H_
+#define _RUSB2_RX_H_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "iodefine.h"
+
+#define RUSB2_REG_BASE (0x000A0000)
+
+TU_ATTR_ALWAYS_INLINE static inline void rusb2_int_enable(uint8_t rhport)
+{
+  (void) rhport;
+#if (CFG_TUSB_MCU == OPT_MCU_RX72N)
+  IEN(PERIB, INTB185) = 1;
+#else
+  IEN(USB0, USBI0) = 1;
+#endif
+}
+
+TU_ATTR_ALWAYS_INLINE static inline void rusb2_int_disable(uint8_t rhport)
+{
+  (void) rhport;
+#if (CFG_TUSB_MCU == OPT_MCU_RX72N)
+  IEN(PERIB, INTB185) = 0;
+#else
+  IEN(USB0, USBI0) = 0;
+#endif
+}
+
+// MCU specific PHY init
+TU_ATTR_ALWAYS_INLINE static inline void rusb2_phy_init(void)
+{
+#if (CFG_TUSB_MCU == OPT_MCU_RX72N)
+  IR(PERIB, INTB185) = 0;
+#else
+  IR(USB0, USBI0) = 0;
+#endif
+}
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _RUSB2_RX_H_ */
diff --git a/src/portable/renesas/rusb2/rusb2_type.h b/src/portable/renesas/rusb2/rusb2_type.h
new file mode 100644
index 000000000..7a2898366
--- /dev/null
+++ b/src/portable/renesas/rusb2/rusb2_type.h
@@ -0,0 +1,1669 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 Rafael Silva (@perigoso)
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#ifndef _TUSB_RUSB2_TYPE_H_
+#define _TUSB_RUSB2_TYPE_H_
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*--------------------------------------------------------------------*/
+/* Register Definitions                                           */
+/*--------------------------------------------------------------------*/
+
+/* Start of definition of packed structs (used by the CCRX toolchain) */
+TU_ATTR_PACKED_BEGIN
+TU_ATTR_BIT_FIELD_ORDER_BEGIN
+
+typedef struct TU_ATTR_PACKED {
+  union {
+    volatile uint16_t E; /* (@ 0x00000000) Pipe Transaction Counter Enable Register */
+
+    struct {
+      uint16_t : 8;
+      volatile uint16_t TRCLR : 1; /* [8..8] Transaction Counter Clear */
+      volatile uint16_t TRENB : 1; /* [9..9] Transaction Counter Enable */
+      uint16_t : 6;
+    } E_b;
+  };
+
+  union {
+    volatile uint16_t N; /* (@ 0x00000002) Pipe Transaction Counter Register */
+
+    struct {
+      volatile uint16_t TRNCNT : 16; /* [15..0] Transaction Counter */
+    } N_b;
+  };
+} RUSB2_PIPE_TR_t; /* Size = 4 (0x4) */
+
+/* LINK_REG Structure */
+typedef struct TU_ATTR_PACKED {
+  union {
+    volatile uint16_t SYSCFG; /* (@ 0x00000000) System Configuration Control Register */
+
+    struct {
+      volatile uint16_t USBE  : 1; /* [0..0] USB Operation Enable */
+      uint16_t                : 2;
+      volatile uint16_t DMRPU : 1; /* [3..3] D- Line Resistor Control */
+      volatile uint16_t DPRPU : 1; /* [4..4] D+ Line Resistor Control */
+      volatile uint16_t DRPD  : 1; /* [5..5] D+/D- Line Resistor Control */
+      volatile uint16_t DCFM  : 1; /* [6..6] Controller Function Select */
+      uint16_t                : 1;
+      volatile uint16_t CNEN  : 1; /* [8..8] CNEN Single End Receiver Enable */
+      uint16_t                : 1;
+      volatile uint16_t SCKE  : 1; /* [10..10] USB Clock Enable */
+      uint16_t                : 5;
+    } SYSCFG_b;
+  };
+
+  union {
+    volatile uint16_t BUSWAIT; /* (@ 0x00000002) CPU Bus Wait Register */
+
+    struct {
+      volatile uint16_t BWAIT : 4; /* [3..0] CPU Bus Access Wait Specification BWAIT waits (BWAIT+2 access cycles) */
+      uint16_t : 12;
+    } BUSWAIT_b;
+  };
+
+  union {
+    volatile const uint16_t SYSSTS0; /* (@ 0x00000004) System Configuration Status Register 0 */
+
+    struct {
+      volatile const uint16_t LNST   : 2; /* [1..0] USB Data Line Status Monitor */
+      volatile const uint16_t IDMON  : 1; /* [2..2] External ID0 Input Pin Monitor */
+      uint16_t                       : 2;
+      volatile const uint16_t
+        SOFEA                        : 1; /* [5..5] SOF Active Monitor While Host Controller Function is Selected. */
+      volatile const uint16_t HTACT  : 1; /* [6..6] USB Host Sequencer Status Monitor */
+      uint16_t                       : 7;
+      volatile const uint16_t OVCMON : 2; /* [15..14] External USB0_OVRCURA/ USB0_OVRCURB Input Pin Monitor */
+    } SYSSTS0_b;
+  };
+
+  union {
+    volatile const uint16_t PLLSTA; /* (@ 0x00000006) PLL Status Register */
+
+    struct {
+      volatile const uint16_t PLLLOCK : 1; /* [0..0] PLL Lock Flag */
+      uint16_t : 15;
+    } PLLSTA_b;
+  };
+
+  union {
+    volatile uint16_t DVSTCTR0; /* (@ 0x00000008) Device State Control Register 0 */
+
+    struct {
+      volatile const uint16_t RHST : 3; /* [2..0] USB Bus Reset Status */
+      uint16_t                     : 1;
+      volatile uint16_t UACT       : 1; /* [4..4] USB Bus Enable */
+      volatile uint16_t RESUME     : 1; /* [5..5] Resume Output */
+      volatile uint16_t USBRST     : 1; /* [6..6] USB Bus Reset Output */
+      volatile uint16_t RWUPE      : 1; /* [7..7] Wakeup Detection Enable */
+      volatile uint16_t WKUP       : 1; /* [8..8] Wakeup Output */
+      volatile uint16_t VBUSEN     : 1; /* [9..9] USB_VBUSEN Output Pin Control */
+      volatile uint16_t EXICEN     : 1; /* [10..10] USB_EXICEN Output Pin Control */
+      volatile uint16_t HNPBTOA    : 1; /* [11..11] Host Negotiation Protocol (HNP) */
+      uint16_t                     : 4;
+    } DVSTCTR0_b;
+  };
+  volatile const uint16_t RESERVED;
+
+  union {
+    volatile uint16_t TESTMODE; /* (@ 0x0000000C) USB Test Mode Register */
+
+    struct {
+      volatile uint16_t UTST : 4; /* [3..0] Test Mode */
+      uint16_t : 12;
+    } TESTMODE_b;
+  };
+  volatile const uint16_t RESERVED1;
+  volatile const uint32_t RESERVED2;
+
+  union {
+    volatile uint32_t CFIFO; /* (@ 0x00000014) CFIFO Port Register */
+
+    struct {
+      union {
+        volatile uint16_t CFIFOL; /* (@ 0x00000014) CFIFO Port Register L */
+        volatile uint8_t CFIFOLL; /* (@ 0x00000014) CFIFO Port Register LL */
+      };
+
+      union {
+        volatile uint16_t CFIFOH; /* (@ 0x00000016) CFIFO Port Register H */
+
+        struct {
+          volatile const uint8_t RESERVED3;
+          volatile uint8_t CFIFOHH; /* (@ 0x00000017) CFIFO Port Register HH */
+        };
+      };
+    };
+  };
+
+  union {
+    volatile uint32_t D0FIFO; /* (@ 0x00000018) D0FIFO Port Register */
+
+    struct {
+      union {
+        volatile uint16_t D0FIFOL; /* (@ 0x00000018) D0FIFO Port Register L */
+        volatile uint8_t D0FIFOLL; /* (@ 0x00000018) D0FIFO Port Register LL */
+      };
+
+      union {
+        volatile uint16_t D0FIFOH; /* (@ 0x0000001A) D0FIFO Port Register H */
+
+        struct {
+          volatile const uint8_t RESERVED4;
+          volatile uint8_t D0FIFOHH; /* (@ 0x0000001B) D0FIFO Port Register HH */
+        };
+      };
+    };
+  };
+
+  union {
+    volatile uint32_t D1FIFO; /* (@ 0x0000001C) D1FIFO Port Register */
+
+    struct {
+      union {
+        volatile uint16_t D1FIFOL; /* (@ 0x0000001C) D1FIFO Port Register L */
+        volatile uint8_t D1FIFOLL; /* (@ 0x0000001C) D1FIFO Port Register LL */
+      };
+
+      union {
+        volatile uint16_t D1FIFOH; /* (@ 0x0000001E) D1FIFO Port Register H */
+
+        struct {
+          volatile const uint8_t RESERVED5;
+          volatile uint8_t D1FIFOHH; /* (@ 0x0000001F) D1FIFO Port Register HH */
+        };
+      };
+    };
+  };
+
+  union {
+    volatile uint16_t CFIFOSEL; /* (@ 0x00000020) CFIFO Port Select Register */
+
+    struct {
+      volatile uint16_t CURPIPE : 4; /* [3..0] CFIFO Port Access Pipe Specification */
+      uint16_t                  : 1;
+      volatile uint16_t ISEL    : 1; /* [5..5] CFIFO Port Access Direction When DCP is Selected */
+      uint16_t                  : 2;
+      volatile uint16_t BIGEND  : 1; /* [8..8] CFIFO Port Endian Control */
+      uint16_t                  : 1;
+      volatile uint16_t MBW     : 2; /* [11..10] CFIFO Port Access Bit Width */
+      uint16_t                  : 2;
+      volatile uint16_t REW     : 1; /* [14..14] Buffer Pointer Rewind */
+      volatile uint16_t RCNT    : 1; /* [15..15] Read Count Mode */
+    } CFIFOSEL_b;
+  };
+
+  union {
+    volatile uint16_t CFIFOCTR; /* (@ 0x00000022) CFIFO Port Control Register */
+
+    struct {
+      volatile const uint16_t DTLN : 12; /* [11..0] Receive Data LengthIndicates the length of the receive data. */
+      uint16_t                     : 1;
+      volatile const uint16_t FRDY : 1;  /* [13..13] FIFO Port Ready */
+      volatile uint16_t BCLR       : 1;	 /* [14..14] CPU Buffer ClearNote: Only 0 can be read. */
+      volatile uint16_t BVAL       : 1;	 /* [15..15] Buffer Memory Valid Flag */
+    } CFIFOCTR_b;
+  };
+  volatile const uint32_t RESERVED6;
+
+  union {
+    volatile uint16_t D0FIFOSEL; /* (@ 0x00000028) D0FIFO Port Select Register */
+
+    struct {
+      volatile uint16_t CURPIPE : 4; /* [3..0] FIFO Port Access Pipe Specification */
+      uint16_t                  : 4;
+      volatile uint16_t BIGEND  : 1; /* [8..8] FIFO Port Endian Control */
+      uint16_t                  : 1;
+      volatile uint16_t MBW     : 2; /* [11..10] FIFO Port Access Bit Width */
+      volatile uint16_t DREQE   : 1; /* [12..12] DMA/DTC Transfer Request Enable */
+      volatile uint16_t DCLRM   : 1; /* [13..13] Auto Buffer Memory Clear Mode Accessed after Specified Pipe Data is Read */
+      volatile uint16_t REW     : 1; /* [14..14] Buffer Pointer RewindNote: Only 0 can be read. */
+      volatile uint16_t RCNT    : 1; /* [15..15] Read Count Mode */
+    } D0FIFOSEL_b;
+  };
+
+  union {
+    volatile uint16_t D0FIFOCTR; /* (@ 0x0000002A) D0FIFO Port Control Register */
+
+    struct {
+      volatile const uint16_t DTLN : 12; /* [11..0] Receive Data LengthIndicates the length of the receive data. */
+      uint16_t                     : 1;
+      volatile const uint16_t FRDY : 1;  /* [13..13] FIFO Port Ready */
+      volatile uint16_t BCLR       : 1;	 /* [14..14] CPU Buffer ClearNote: Only 0 can be read. */
+      volatile uint16_t BVAL       : 1;	 /* [15..15] Buffer Memory Valid Flag */
+    } D0FIFOCTR_b;
+  };
+
+  union {
+    volatile uint16_t D1FIFOSEL; /* (@ 0x0000002C) D1FIFO Port Select Register */
+
+    struct {
+      volatile uint16_t CURPIPE : 4; /* [3..0] FIFO Port Access Pipe Specification */
+      uint16_t                  : 4;
+      volatile uint16_t BIGEND  : 1; /* [8..8] FIFO Port Endian Control */
+      uint16_t                  : 1;
+      volatile uint16_t MBW     : 2; /* [11..10] FIFO Port Access Bit Width */
+      volatile uint16_t DREQE   : 1; /* [12..12] DMA/DTC Transfer Request Enable */
+      volatile uint16_t DCLRM   : 1; /* [13..13] Auto Buffer Memory Clear Mode Accessed after Specified Pipe Data is Read */
+      volatile uint16_t REW     : 1; /* [14..14] Buffer Pointer Rewind */
+      volatile uint16_t RCNT    : 1; /* [15..15] Read Count Mode */
+    } D1FIFOSEL_b;
+  };
+
+  union {
+    volatile uint16_t D1FIFOCTR; /* (@ 0x0000002E) D1FIFO Port Control Register */
+
+    struct {
+      volatile const uint16_t DTLN : 12; /* [11..0] Receive Data LengthIndicates the length of the receive data. */
+      uint16_t                     : 1;
+      volatile const uint16_t FRDY : 1;  /* [13..13] FIFO Port Ready */
+      volatile uint16_t BCLR       : 1;  /* [14..14] CPU Buffer ClearNote: Only 0 can be read. */
+      volatile uint16_t BVAL       : 1;  /* [15..15] Buffer Memory Valid Flag */
+    } D1FIFOCTR_b;
+  };
+
+  union {
+    volatile uint16_t INTENB0; /* (@ 0x00000030) Interrupt Enable Register 0 */
+
+    struct {
+      uint16_t : 8;
+      volatile uint16_t BRDYE : 1; /* [8..8] Buffer Ready Interrupt Enable */
+      volatile uint16_t NRDYE : 1; /* [9..9] Buffer Not Ready Response Interrupt Enable */
+      volatile uint16_t BEMPE : 1; /* [10..10] Buffer Empty Interrupt Enable */
+      volatile uint16_t CTRE  : 1; /* [11..11] Control Transfer Stage Transition Interrupt Enable */
+      volatile uint16_t DVSE  : 1; /* [12..12] Device State Transition Interrupt Enable */
+      volatile uint16_t SOFE  : 1; /* [13..13] Frame Number Update Interrupt Enable */
+      volatile uint16_t RSME  : 1; /* [14..14] Resume Interrupt Enable */
+      volatile uint16_t VBSE  : 1; /* [15..15] VBUS Interrupt Enable */
+    } INTENB0_b;
+  };
+
+  union {
+    volatile uint16_t INTENB1; /* (@ 0x00000032) Interrupt Enable Register 1 */
+
+    struct {
+      volatile uint16_t PDDETINTE0 : 1; /* [0..0] PDDETINT0 Detection Interrupt Enable */
+      uint16_t                     : 3;
+      volatile uint16_t SACKE      : 1; /* [4..4] Setup Transaction Normal Response Interrupt Enable */
+      volatile uint16_t SIGNE      : 1; /* [5..5] Setup Transaction Error Interrupt Enable */
+      volatile uint16_t EOFERRE    : 1; /* [6..6] EOF Error Detection Interrupt Enable */
+      uint16_t                     : 4;
+      volatile uint16_t ATTCHE     : 1; /* [11..11] Connection Detection Interrupt Enable */
+      volatile uint16_t DTCHE      : 1; /* [12..12] Disconnection Detection Interrupt Enable */
+      uint16_t                     : 1;
+      volatile uint16_t BCHGE      : 1; /* [14..14] USB Bus Change Interrupt Enable */
+      volatile uint16_t OVRCRE     : 1; /* [15..15] Overcurrent Input Change Interrupt Enable */
+    } INTENB1_b;
+  };
+  volatile const uint16_t RESERVED7;
+
+  union {
+    volatile uint16_t BRDYENB; /* (@ 0x00000036) BRDY Interrupt Enable Register */
+
+    struct {
+      volatile uint16_t PIPE0BRDYE : 1; /* [0..0] BRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE1BRDYE : 1; /* [1..1] BRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE2BRDYE : 1; /* [2..2] BRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE3BRDYE : 1; /* [3..3] BRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE4BRDYE : 1; /* [4..4] BRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE5BRDYE : 1; /* [5..5] BRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE6BRDYE : 1; /* [6..6] BRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE7BRDYE : 1; /* [7..7] BRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE8BRDYE : 1; /* [8..8] BRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE9BRDYE : 1; /* [9..9] BRDY Interrupt Enable for PIPE */
+      uint16_t : 6;
+    } BRDYENB_b;
+  };
+
+  union {
+    volatile uint16_t NRDYENB; /* (@ 0x00000038) NRDY Interrupt Enable Register */
+
+    struct {
+      volatile uint16_t PIPE0NRDYE : 1; /* [0..0] NRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE1NRDYE : 1; /* [1..1] NRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE2NRDYE : 1; /* [2..2] NRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE3NRDYE : 1; /* [3..3] NRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE4NRDYE : 1; /* [4..4] NRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE5NRDYE : 1; /* [5..5] NRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE6NRDYE : 1; /* [6..6] NRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE7NRDYE : 1; /* [7..7] NRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE8NRDYE : 1; /* [8..8] NRDY Interrupt Enable for PIPE */
+      volatile uint16_t PIPE9NRDYE : 1; /* [9..9] NRDY Interrupt Enable for PIPE */
+      uint16_t : 6;
+    } NRDYENB_b;
+  };
+
+  union {
+    volatile uint16_t BEMPENB; /* (@ 0x0000003A) BEMP Interrupt Enable Register */
+
+    struct {
+      volatile uint16_t PIPE0BEMPE : 1; /* [0..0] BEMP Interrupt Enable for PIPE */
+      volatile uint16_t PIPE1BEMPE : 1; /* [1..1] BEMP Interrupt Enable for PIPE */
+      volatile uint16_t PIPE2BEMPE : 1; /* [2..2] BEMP Interrupt Enable for PIPE */
+      volatile uint16_t PIPE3BEMPE : 1; /* [3..3] BEMP Interrupt Enable for PIPE */
+      volatile uint16_t PIPE4BEMPE : 1; /* [4..4] BEMP Interrupt Enable for PIPE */
+      volatile uint16_t PIPE5BEMPE : 1; /* [5..5] BEMP Interrupt Enable for PIPE */
+      volatile uint16_t PIPE6BEMPE : 1; /* [6..6] BEMP Interrupt Enable for PIPE */
+      volatile uint16_t PIPE7BEMPE : 1; /* [7..7] BEMP Interrupt Enable for PIPE */
+      volatile uint16_t PIPE8BEMPE : 1; /* [8..8] BEMP Interrupt Enable for PIPE */
+      volatile uint16_t PIPE9BEMPE : 1; /* [9..9] BEMP Interrupt Enable for PIPE */
+      uint16_t : 6;
+    } BEMPENB_b;
+  };
+
+  union {
+    volatile uint16_t SOFCFG; /* (@ 0x0000003C) SOF Output Configuration Register */
+
+    struct {
+      uint16_t                        : 4;
+      volatile const uint16_t EDGESTS : 1; /* [4..4] Edge Interrupt Output Status Monitor */
+      volatile uint16_t INTL          : 1; /* [5..5] Interrupt Output Sense Select */
+      volatile uint16_t BRDYM         : 1; /* [6..6] BRDY Interrupt Status Clear Timing */
+      uint16_t                        : 1;
+      volatile uint16_t TRNENSEL      : 1; /* [8..8] Transaction-Enabled Time Select */
+      uint16_t : 7;
+    } SOFCFG_b;
+  };
+
+  union {
+    volatile uint16_t PHYSET; /* (@ 0x0000003E) PHY Setting Register */
+
+    struct {
+      volatile uint16_t DIRPD    : 1; /* [0..0] Power-Down Control */
+      volatile uint16_t PLLRESET : 1; /* [1..1] PLL Reset Control */
+      uint16_t                   : 1;
+      volatile uint16_t CDPEN    : 1; /* [3..3] Charging Downstream Port Enable */
+      volatile uint16_t CLKSEL   : 2; /* [5..4] Input System Clock Frequency */
+      uint16_t                   : 2;
+      volatile uint16_t REPSEL   : 2; /* [9..8] Terminating Resistance Adjustment Cycle */
+      uint16_t                   : 1;
+      volatile uint16_t REPSTART : 1; /* [11..11] Forcibly Start Terminating Resistance Adjustment */
+      uint16_t                   : 3;
+      volatile uint16_t HSEB     : 1; /* [15..15] CL-Only Mode */
+    } PHYSET_b;
+  };
+
+  union {
+    volatile uint16_t INTSTS0; /* (@ 0x00000040) Interrupt Status Register 0 */
+
+    struct {
+      volatile const uint16_t CTSQ  : 3; /* [2..0] Control Transfer Stage */
+      volatile uint16_t VALID       : 1; /* [3..3] USB Request Reception */
+      volatile const uint16_t DVSQ  : 3; /* [6..4] Device State */
+      volatile const uint16_t VBSTS : 1; /* [7..7] VBUS Input Status */
+      volatile const uint16_t BRDY  : 1; /* [8..8] Buffer Ready Interrupt Status */
+      volatile const uint16_t NRDY  : 1; /* [9..9] Buffer Not Ready Interrupt Status */
+      volatile const uint16_t BEMP  : 1; /* [10..10] Buffer Empty Interrupt Status */
+      volatile uint16_t CTRT        : 1; /* [11..11] Control Transfer Stage Transition Interrupt Status */
+      volatile uint16_t DVST        : 1; /* [12..12] Device State Transition Interrupt Status */
+      volatile uint16_t SOFR        : 1; /* [13..13] Frame Number Refresh Interrupt Status */
+      volatile uint16_t RESM        : 1; /* [14..14] Resume Interrupt Status */
+      volatile uint16_t VBINT       : 1; /* [15..15] VBUS Interrupt Status */
+    } INTSTS0_b;
+  };
+
+  union {
+    volatile uint16_t INTSTS1; /* (@ 0x00000042) Interrupt Status Register 1 */
+
+    struct {
+      volatile uint16_t PDDETINT0 : 1; /* [0..0] PDDET0 Detection Interrupt Status */
+      uint16_t                    : 3;
+      volatile uint16_t SACK      : 1; /* [4..4] Setup Transaction Normal Response Interrupt Status */
+      volatile uint16_t SIGN      : 1; /* [5..5] Setup Transaction Error Interrupt Status */
+      volatile uint16_t EOFERR    : 1; /* [6..6] EOF Error Detection Interrupt Status */
+      uint16_t                    : 1;
+      volatile uint16_t LPMEND    : 1; /* [8..8] LPM Transaction End Interrupt Status */
+      volatile uint16_t L1RSMEND  : 1; /* [9..9] L1 Resume End Interrupt Status */
+      uint16_t                    : 1;
+      volatile uint16_t ATTCH     : 1; /* [11..11] ATTCH Interrupt Status */
+      volatile uint16_t DTCH      : 1; /* [12..12] USB Disconnection Detection Interrupt Status */
+      uint16_t                    : 1;
+      volatile uint16_t BCHG      : 1; /* [14..14] USB Bus Change Interrupt Status */
+      volatile uint16_t OVRCR     : 1; /* [15..15] Overcurrent Input Change Interrupt Status */
+    } INTSTS1_b;
+  };
+  volatile const uint16_t RESERVED8;
+
+  union {
+    volatile uint16_t BRDYSTS; /* (@ 0x00000046) BRDY Interrupt Status Register */
+
+    struct {
+      volatile uint16_t PIPE0BRDY : 1; /* [0..0] BRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE1BRDY : 1; /* [1..1] BRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE2BRDY : 1; /* [2..2] BRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE3BRDY : 1; /* [3..3] BRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE4BRDY : 1; /* [4..4] BRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE5BRDY : 1; /* [5..5] BRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE6BRDY : 1; /* [6..6] BRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE7BRDY : 1; /* [7..7] BRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE8BRDY : 1; /* [8..8] BRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE9BRDY : 1; /* [9..9] BRDY Interrupt Status for PIPE */
+      uint16_t : 6;
+    } BRDYSTS_b;
+  };
+
+  union {
+    volatile uint16_t NRDYSTS; /* (@ 0x00000048) NRDY Interrupt Status Register */
+
+    struct {
+      volatile uint16_t PIPE0NRDY : 1; /* [0..0] NRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE1NRDY : 1; /* [1..1] NRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE2NRDY : 1; /* [2..2] NRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE3NRDY : 1; /* [3..3] NRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE4NRDY : 1; /* [4..4] NRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE5NRDY : 1; /* [5..5] NRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE6NRDY : 1; /* [6..6] NRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE7NRDY : 1; /* [7..7] NRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE8NRDY : 1; /* [8..8] NRDY Interrupt Status for PIPE */
+      volatile uint16_t PIPE9NRDY : 1; /* [9..9] NRDY Interrupt Status for PIPE */
+      uint16_t : 6;
+    } NRDYSTS_b;
+  };
+
+  union {
+    volatile uint16_t BEMPSTS; /* (@ 0x0000004A) BEMP Interrupt Status Register */
+
+    struct {
+      volatile uint16_t PIPE0BEMP : 1; /* [0..0] BEMP Interrupt Status for PIPE */
+      volatile uint16_t PIPE1BEMP : 1; /* [1..1] BEMP Interrupt Status for PIPE */
+      volatile uint16_t PIPE2BEMP : 1; /* [2..2] BEMP Interrupt Status for PIPE */
+      volatile uint16_t PIPE3BEMP : 1; /* [3..3] BEMP Interrupt Status for PIPE */
+      volatile uint16_t PIPE4BEMP : 1; /* [4..4] BEMP Interrupt Status for PIPE */
+      volatile uint16_t PIPE5BEMP : 1; /* [5..5] BEMP Interrupt Status for PIPE */
+      volatile uint16_t PIPE6BEMP : 1; /* [6..6] BEMP Interrupt Status for PIPE */
+      volatile uint16_t PIPE7BEMP : 1; /* [7..7] BEMP Interrupt Status for PIPE */
+      volatile uint16_t PIPE8BEMP : 1; /* [8..8] BEMP Interrupt Status for PIPE */
+      volatile uint16_t PIPE9BEMP : 1; /* [9..9] BEMP Interrupt Status for PIPE */
+      uint16_t : 6;
+    } BEMPSTS_b;
+  };
+
+  union {
+    volatile uint16_t FRMNUM; /* (@ 0x0000004C) Frame Number Register */
+
+    struct {
+      volatile const uint16_t FRNM : 11; /* [10..0] Frame NumberLatest frame number */
+      uint16_t                     : 3;
+      volatile uint16_t CRCE       : 1; /* [14..14] Receive Data Error */
+      volatile uint16_t OVRN       : 1; /* [15..15] Overrun/Underrun Detection Status */
+    } FRMNUM_b;
+  };
+
+  union {
+    volatile uint16_t UFRMNUM; /* (@ 0x0000004E) uFrame Number Register */
+
+    struct {
+      volatile const uint16_t UFRNM : 3; /* [2..0] MicroframeIndicate the microframe number. */
+      uint16_t                      : 12;
+      volatile uint16_t DVCHG       : 1; /* [15..15] Device State Change */
+    } UFRMNUM_b;
+  };
+
+  union {
+    volatile uint16_t USBADDR; /* (@ 0x00000050) USB Address Register */
+
+    struct {
+      volatile const uint16_t USBADDR : 7; /* [6..0] USB Address In device controller mode */
+      uint16_t                        : 1;
+      volatile uint16_t STSRECOV0     : 3; /* [10..8] Status Recovery */
+      uint16_t                        : 5;
+    } USBADDR_b;
+  };
+  volatile const uint16_t RESERVED9;
+
+  union {
+    volatile uint16_t USBREQ; /* (@ 0x00000054) USB Request Type Register */
+
+    struct {
+      volatile uint16_t BMREQUESTTYPE : 8; /* [7..0] Request TypeThese bits store the USB request bmRequestType value. */
+      volatile uint16_t BREQUEST      : 8; /* [15..8] RequestThese bits store the USB request bRequest value. */
+    } USBREQ_b;
+  };
+
+  union {
+    volatile uint16_t USBVAL; /* (@ 0x00000056) USB Request Value Register */
+
+    struct {
+      volatile uint16_t WVALUE : 16; /* [15..0] ValueThese bits store the USB request Value value. */
+    } USBVAL_b;
+  };
+
+  union {
+    volatile uint16_t USBINDX; /* (@ 0x00000058) USB Request Index Register */
+
+    struct {
+      volatile uint16_t WINDEX : 16; /* [15..0] IndexThese bits store the USB request wIndex value. */
+    } USBINDX_b;
+  };
+
+  union {
+    volatile uint16_t USBLENG; /* (@ 0x0000005A) USB Request Length Register */
+
+    struct {
+      volatile uint16_t WLENGTH : 16; /* [15..0] LengthThese bits store the USB request wLength value. */
+    } USBLENG_b;
+  };
+
+  union {
+    volatile uint16_t DCPCFG; /* (@ 0x0000005C) DCP Configuration Register */
+
+    struct {
+      uint16_t                 : 4;
+      volatile uint16_t DIR    : 1; /* [4..4] Transfer Direction */
+      uint16_t                 : 2;
+      volatile uint16_t SHTNAK : 1; /* [7..7] Pipe Disabled at End of Transfer */
+      volatile uint16_t CNTMD  : 1; /* [8..8] Continuous Transfer Mode */
+      uint16_t                 : 7;
+    } DCPCFG_b;
+  };
+
+  union {
+    volatile uint16_t DCPMAXP; /* (@ 0x0000005E) DCP Maximum Packet Size Register */
+
+    struct {
+      volatile uint16_t MXPS   : 7; /* [6..0] Maximum Packet Size */
+      uint16_t                 : 5;
+      volatile uint16_t DEVSEL : 4; /* [15..12] Device Select */
+    } DCPMAXP_b;
+  };
+
+  union {
+    volatile uint16_t DCPCTR; /* (@ 0x00000060) DCP Control Register */
+
+    struct {
+      volatile uint16_t PID         : 2; /* [1..0] Response PID */
+      volatile uint16_t CCPL        : 1; /* [2..2] Control Transfer End Enable */
+      uint16_t                      : 2;
+      volatile const uint16_t PBUSY : 1; /* [5..5] Pipe Busy */
+      volatile const uint16_t SQMON : 1; /* [6..6] Sequence Toggle Bit Monitor */
+      volatile uint16_t SQSET       : 1; /* [7..7] Sequence Toggle Bit Set */
+      volatile uint16_t SQCLR       : 1; /* [8..8] Sequence Toggle Bit Clear */
+      uint16_t                      : 2;
+      volatile uint16_t SUREQCLR    : 1; /* [11..11] SUREQ Bit Clear */
+      uint16_t                      : 2;
+      volatile uint16_t SUREQ       : 1; /* [14..14] Setup Token Transmission */
+      volatile const uint16_t BSTS  : 1; /* [15..15] Buffer Status */
+    } DCPCTR_b;
+  };
+  volatile const uint16_t RESERVED10;
+
+  union {
+    volatile uint16_t PIPESEL; /* (@ 0x00000064) Pipe Window Select Register */
+
+    struct {
+      volatile uint16_t PIPESEL : 4; /* [3..0] Pipe Window Select */
+      uint16_t : 12;
+    } PIPESEL_b;
+  };
+  volatile const uint16_t RESERVED11;
+
+  union {
+    volatile uint16_t PIPECFG;      /* (@ 0x00000068) Pipe Configuration Register */
+
+    struct {
+      volatile uint16_t EPNUM  : 4; /* [3..0] Endpoint Number */
+      volatile uint16_t DIR    : 1; /* [4..4] Transfer Direction */
+      uint16_t                 : 2;
+      volatile uint16_t SHTNAK : 1; /* [7..7] Pipe Disabled at End of Transfer */
+      uint16_t                 : 1;
+      volatile uint16_t DBLB   : 1; /* [9..9] Double Buffer Mode */
+      volatile uint16_t BFRE   : 1; /* [10..10] BRDY Interrupt Operation Specification */
+      uint16_t                 : 3;
+      volatile uint16_t TYPE   : 2; /* [15..14] Transfer Type */
+    } PIPECFG_b;
+  };
+  volatile const uint16_t RESERVED12;
+
+  union {
+    volatile uint16_t PIPEMAXP; /* (@ 0x0000006C) Pipe Maximum Packet Size Register */
+
+    struct {
+      volatile uint16_t MXPS   : 9; /* [8..0] Maximum Packet Size */
+      uint16_t                 : 3;
+      volatile uint16_t DEVSEL : 4; /* [15..12] Device Select */
+    } PIPEMAXP_b;
+  };
+
+  union {
+    volatile uint16_t PIPEPERI; /* (@ 0x0000006E) Pipe Cycle Control Register */
+
+    struct {
+      volatile uint16_t IITV : 3; /* [2..0] Interval Error Detection Interval */
+      uint16_t               : 9;
+      volatile uint16_t IFIS : 1; /* [12..12] Isochronous IN Buffer Flush */
+      uint16_t               : 3;
+    } PIPEPERI_b;
+  };
+
+  union {
+    volatile uint16_t PIPE_CTR[9];        /* (@ 0x00000070) Pipe [0..8] Control Register */
+
+    struct {
+      volatile uint16_t PID          : 2; /* [1..0] Response PID */
+      uint16_t                       : 3;
+      volatile const uint16_t PBUSY  : 1; /* [5..5] Pipe Busy */
+      volatile const uint16_t SQMON  : 1; /* [6..6] Sequence Toggle Bit Confirmation */
+      volatile uint16_t SQSET        : 1; /* [7..7] Sequence Toggle Bit Set */
+      volatile uint16_t SQCLR        : 1; /* [8..8] Sequence Toggle Bit Clear */
+      volatile uint16_t ACLRM        : 1; /* [9..9] Auto Buffer Clear Mode */
+      volatile uint16_t ATREPM       : 1; /* [10..10] Auto Response Mode */
+      uint16_t                       : 1;
+      volatile const uint16_t CSSTS  : 1; /* [12..12] CSSTS Status */
+      volatile uint16_t CSCLR        : 1; /* [13..13] CSPLIT Status Clear */
+      volatile const uint16_t INBUFM : 1; /* [14..14] Transmit Buffer Monitor */
+      volatile const uint16_t BSTS   : 1; /* [15..15] Buffer Status */
+    } PIPE_CTR_b[9];
+  };
+  volatile const uint16_t RESERVED13;
+  volatile const uint32_t RESERVED14[3];
+  volatile RUSB2_PIPE_TR_t PIPE_TR[5]; /* (@ 0x00000090) Pipe Transaction Counter Registers */
+  volatile const uint32_t RESERVED15[3];
+
+  union {
+    volatile uint16_t USBBCCTRL0;             /* (@ 0x000000B0) BC Control Register 0 */
+
+    struct {
+      volatile uint16_t RPDME0           : 1; /* [0..0] D- Pin Pull-Down Control */
+      volatile uint16_t IDPSRCE0         : 1; /* [1..1] D+ Pin IDPSRC Output Control */
+      volatile uint16_t
+        IDMSINKE0                        : 1; /* [2..2] D- Pin 0.6 V Input Detection (Comparator and Sink) Control */
+      volatile uint16_t VDPSRCE0         : 1; /* [3..3] D+ Pin VDPSRC (0.6 V) Output Control */
+      volatile uint16_t
+        IDPSINKE0                        : 1; /* [4..4] D+ Pin 0.6 V Input Detection (Comparator and Sink) Control */
+      volatile uint16_t VDMSRCE0         : 1; /* [5..5] D- Pin VDMSRC (0.6 V) Output Control */
+      uint16_t                           : 1;
+      volatile uint16_t BATCHGE0         : 1; /* [7..7] BC (Battery Charger) Function Ch0 General Enable Control */
+      volatile const uint16_t CHGDETSTS0 : 1; /* [8..8] D- Pin 0.6 V Input Detection Status */
+      volatile const uint16_t PDDETSTS0  : 1; /* [9..9] D+ Pin 0.6 V Input Detection Status */
+      uint16_t                           : 6;
+    } USBBCCTRL0_b;
+  };
+  volatile const uint16_t RESERVED16;
+  volatile const uint32_t RESERVED17[4];
+
+  union {
+    volatile uint16_t UCKSEL; /* (@ 0x000000C4) USB Clock Selection Register */
+
+    struct {
+      volatile uint16_t UCKSELC : 1; /* [0..0] USB Clock Selection */
+      uint16_t : 15;
+    } UCKSEL_b;
+  };
+  volatile const uint16_t RESERVED18;
+  volatile const uint32_t RESERVED19;
+
+  union {
+    volatile uint16_t USBMC; /* (@ 0x000000CC) USB Module Control Register */
+
+    struct {
+      volatile uint16_t VDDUSBE : 1; /* [0..0] USB Reference Power Supply Circuit On/Off Control */
+      uint16_t                  : 6;
+      volatile uint16_t VDCEN   : 1; /* [7..7] USB Regulator On/Off Control */
+      uint16_t                  : 8;
+    } USBMC_b;
+  };
+  volatile const uint16_t RESERVED20;
+
+  union {
+    volatile uint16_t DEVADD[10]; /* (@ 0x000000D0) Device Address Configuration Register */
+
+    struct {
+      uint16_t : 6;
+      volatile uint16_t USBSPD  : 2; /* [7..6] Transfer Speed of Communication Target Device */
+      volatile uint16_t HUBPORT : 3; /* [10..8] Communication Target Connecting Hub Port */
+      volatile uint16_t UPPHUB  : 4; /* [14..11] Communication Target Connecting Hub Register */
+      uint16_t : 1;
+    } DEVADD_b[10];
+  };
+  volatile const uint32_t RESERVED21[3];
+
+  union {
+    volatile uint32_t PHYSLEW; /* (@ 0x000000F0) PHY Cross Point Adjustment Register */
+
+    struct {
+      volatile uint32_t SLEWR00 : 1; /* [0..0] Receiver Cross Point Adjustment 00 */
+      volatile uint32_t SLEWR01 : 1; /* [1..1] Receiver Cross Point Adjustment 01 */
+      volatile uint32_t SLEWF00 : 1; /* [2..2] Receiver Cross Point Adjustment 00 */
+      volatile uint32_t SLEWF01 : 1; /* [3..3] Receiver Cross Point Adjustment 01 */
+      uint32_t : 28;
+    } PHYSLEW_b;
+  };
+  volatile const uint32_t RESERVED22[3];
+
+  union {
+    volatile uint16_t LPCTRL; /* (@ 0x00000100) Low Power Control Register */
+
+    struct {
+      uint16_t : 7;
+      volatile uint16_t HWUPM : 1; /* [7..7] Resume Return Mode Setting */
+      uint16_t : 8;
+    } LPCTRL_b;
+  };
+
+  union {
+    volatile uint16_t LPSTS; /* (@ 0x00000102) Low Power Status Register */
+
+    struct {
+      uint16_t : 14;
+      volatile uint16_t SUSPENDM : 1; /* [14..14] UTMI SuspendM Control */
+      uint16_t : 1;
+    } LPSTS_b;
+  };
+  volatile const uint32_t RESERVED23[15];
+
+  union {
+    volatile uint16_t BCCTRL; /* (@ 0x00000140) Battery Charging Control Register */
+
+    struct {
+      volatile uint16_t IDPSRCE         : 1; /* [0..0] IDPSRC Control */
+      volatile uint16_t IDMSINKE        : 1; /* [1..1] IDMSINK Control */
+      volatile uint16_t VDPSRCE         : 1; /* [2..2] VDPSRC Control */
+      volatile uint16_t IDPSINKE        : 1; /* [3..3] IDPSINK Control */
+      volatile uint16_t VDMSRCE         : 1; /* [4..4] VDMSRC Control */
+      volatile uint16_t DCPMODE         : 1; /* [5..5] DCP Mode Control */
+      uint16_t                          : 2;
+      volatile const uint16_t CHGDETSTS : 1; /* [8..8] CHGDET Status */
+      volatile const uint16_t PDDETSTS  : 1; /* [9..9] PDDET Status */
+      uint16_t : 6;
+    } BCCTRL_b;
+  };
+  volatile const uint16_t RESERVED24;
+
+  union {
+    volatile uint16_t PL1CTRL1; /* (@ 0x00000144) Function L1 Control Register 1 */
+
+    struct {
+      volatile uint16_t L1RESPEN   : 1; /* [0..0] L1 Response Enable */
+      volatile uint16_t L1RESPMD   : 2; /* [2..1] L1 Response Mode */
+      volatile uint16_t L1NEGOMD   : 1; /* [3..3] L1 Response Negotiation Control. */
+      volatile const uint16_t DVSQ : 4; /* [7..4] DVSQ Extension.DVSQ[3] is Mirror of DVSQ[2:0] in INTSTS0. */
+      volatile uint16_t HIRDTHR    : 4; /* [11..8] L1 Response Negotiation Threshold Value */
+      uint16_t                     : 2;
+      volatile uint16_t L1EXTMD    : 1; /* [14..14] PHY Control Mode at L1 Return */
+      uint16_t : 1;
+    } PL1CTRL1_b;
+  };
+
+  union {
+    volatile uint16_t PL1CTRL2; /* (@ 0x00000146) Function L1 Control Register 2 */
+
+    struct {
+      uint16_t : 8;
+      volatile uint16_t HIRDMON : 4; /* [11..8] HIRD Value Monitor */
+      volatile uint16_t RWEMON  : 1;  /* [12..12] RWE Value Monitor */
+      uint16_t : 3;
+    } PL1CTRL2_b;
+  };
+
+  union {
+    volatile uint16_t HL1CTRL1; /* (@ 0x00000148) Host L1 Control Register 1 */
+
+    struct {
+      volatile uint16_t L1REQ          : 1;	      /* [0..0] L1 Transition Request */
+      volatile const uint16_t L1STATUS : 2; /* [2..1] L1 Request Completion Status */
+      uint16_t : 13;
+    } HL1CTRL1_b;
+  };
+
+  union {
+    volatile uint16_t HL1CTRL2; /* (@ 0x0000014A) Host L1 Control Register 2 */
+
+    struct {
+      volatile uint16_t L1ADDR : 4; /* [3..0] LPM Token DeviceAddress */
+      uint16_t                 : 4;
+      volatile uint16_t HIRD   : 4; /* [11..8] LPM Token HIRD */
+      volatile uint16_t L1RWE  : 1; /* [12..12] LPM Token L1 Remote Wake Enable */
+      uint16_t                 : 2;
+      volatile uint16_t BESL   : 1; /* [15..15] BESL & Alternate HIRD */
+    } HL1CTRL2_b;
+  };
+  volatile const uint32_t RESERVED25[5];
+
+  union {
+    volatile const uint32_t DPUSR0R; /* (@ 0x00000160) Deep Standby USB Transceiver Control/Pin Monitor Register */
+
+    struct {
+      uint32_t : 20;
+      volatile const uint32_t DOVCAHM  : 1; /* [20..20] OVRCURA InputIndicates OVRCURA input signal on the HS side of USB port. */
+      volatile const uint32_t DOVCBHM  : 1; /* [21..21] OVRCURB InputIndicates OVRCURB input signal on the HS side of USB port. */
+      uint32_t                         : 1;
+      volatile const uint32_t DVBSTSHM : 1; /* [23..23] VBUS InputIndicates VBUS input signal on the HS side of USB port. */
+      uint32_t : 8;
+    } DPUSR0R_b;
+  };
+
+  union {
+    volatile uint32_t DPUSR1R; /* (@ 0x00000164) Deep Standby USB Suspend/Resume Interrupt Register */
+
+    struct {
+      uint32_t : 4;
+      volatile uint32_t DOVCAHE       : 1; /* [4..4] OVRCURA Interrupt Enable Clear */
+      volatile uint32_t DOVCBHE       : 1; /* [5..5] OVRCURB Interrupt Enable Clear */
+      uint32_t                        : 1;
+      volatile uint32_t DVBSTSHE      : 1; /* [7..7] VBUS Interrupt Enable/Clear */
+      uint32_t                        : 12;
+      volatile const uint32_t DOVCAH  : 1; /* [20..20] Indication of Return from OVRCURA Interrupt Source */
+      volatile const uint32_t DOVCBH  : 1; /* [21..21] Indication of Return from OVRCURB Interrupt Source */
+      uint32_t                        : 1;
+      volatile const uint32_t DVBSTSH : 1; /* [23..23] Indication of Return from VBUS Interrupt Source */
+      uint32_t : 8;
+    } DPUSR1R_b;
+  };
+
+  union {
+    volatile uint16_t DPUSR2R; /* (@ 0x00000168) Deep Standby USB Suspend/Resume Interrupt Register */
+
+    struct {
+      volatile const uint16_t DPINT : 1; /* [0..0] Indication of Return from DP Interrupt Source */
+      volatile const uint16_t DMINT : 1; /* [1..1] Indication of Return from DM Interrupt Source */
+      uint16_t                      : 2;
+      volatile const uint16_t DPVAL : 1; /* [4..4] DP InputIndicates DP input signal on the HS side of USB port. */
+      volatile const uint16_t DMVAL : 1; /* [5..5] DM InputIndicates DM input signal on the HS side of USB port. */
+      uint16_t                      : 2;
+      volatile uint16_t DPINTE      : 1; /* [8..8] DP Interrupt Enable Clear */
+      volatile uint16_t DMINTE      : 1; /* [9..9] DM Interrupt Enable Clear */
+      uint16_t : 6;
+    } DPUSR2R_b;
+  };
+
+  union {
+    volatile uint16_t DPUSRCR; /* (@ 0x0000016A) Deep Standby USB Suspend/Resume Command Register */
+
+    struct {
+      volatile uint16_t FIXPHY   : 1;	/* [0..0] USB Transceiver Control Fix */
+      volatile uint16_t FIXPHYPD : 1; /* [1..1] USB Transceiver Control Fix for PLL */
+      uint16_t : 14;
+    } DPUSRCR_b;
+  };
+  volatile const uint32_t RESERVED26[165];
+
+  union {
+    volatile uint32_t
+      DPUSR0R_FS; /* (@ 0x00000400) Deep Software Standby USB Transceiver Control/Pin Monitor Register */
+
+    struct {
+      volatile uint32_t SRPC0         : 1; /* [0..0] USB Single End Receiver Control */
+      volatile uint32_t RPUE0         : 1; /* [1..1] DP Pull-Up Resistor Control */
+      uint32_t                        : 1;
+      volatile uint32_t DRPD0         : 1; /* [3..3] D+/D- Pull-Down Resistor Control */
+      volatile uint32_t FIXPHY0       : 1; /* [4..4] USB Transceiver Output Fix */
+      uint32_t                        : 11;
+      volatile const uint32_t DP0     : 1; /* [16..16] USB0 D+ InputIndicates the D+ input signal of the USB. */
+      volatile const uint32_t DM0     : 1; /* [17..17] USB D-InputIndicates the D- input signal of the USB. */
+      uint32_t                        : 2;
+      volatile const uint32_t DOVCA0  : 1; /* [20..20] USB OVRCURA InputIndicates the OVRCURA input signal of the USB. */
+      volatile const uint32_t DOVCB0  : 1; /* [21..21] USB OVRCURB InputIndicates the OVRCURB input signal of the USB. */
+      uint32_t                        : 1;
+      volatile const uint32_t DVBSTS0 : 1; /* [23..23] USB VBUS InputIndicates the VBUS input signal of the USB. */
+      uint32_t : 8;
+    } DPUSR0R_FS_b;
+  };
+
+  union {
+    volatile uint32_t DPUSR1R_FS; /* (@ 0x00000404) Deep Software Standby USB Suspend/Resume Interrupt Register */
+
+    struct {
+      volatile uint32_t DPINTE0        : 1; /* [0..0] USB DP Interrupt Enable/Clear */
+      volatile uint32_t DMINTE0        : 1; /* [1..1] USB DM Interrupt Enable/Clear */
+      uint32_t                         : 2;
+      volatile uint32_t DOVRCRAE0      : 1; /* [4..4] USB OVRCURA Interrupt Enable/Clear */
+      volatile uint32_t DOVRCRBE0      : 1; /* [5..5] USB OVRCURB Interrupt Enable/Clear */
+      uint32_t                         : 1;
+      volatile uint32_t DVBSE0         : 1; /* [7..7] USB VBUS Interrupt Enable/Clear */
+      uint32_t                         : 8;
+      volatile const uint32_t DPINT0   : 1; /* [16..16] USB DP Interrupt Source Recovery */
+      volatile const uint32_t DMINT0   : 1; /* [17..17] USB DM Interrupt Source Recovery */
+      uint32_t                         : 2;
+      volatile const uint32_t DOVRCRA0 : 1; /* [20..20] USB OVRCURA Interrupt Source Recovery */
+      volatile const uint32_t DOVRCRB0 : 1; /* [21..21] USB OVRCURB Interrupt Source Recovery */
+      uint32_t                         : 1;
+      volatile const uint32_t DVBINT0  : 1; /* [23..23] USB VBUS Interrupt Source Recovery */
+      uint32_t : 8;
+    } DPUSR1R_FS_b;
+  };
+} RUSB2_REG_t; /* Size = 1032 (0x408) */
+
+TU_ATTR_PACKED_END /* End of definition of packed structs (used by the CCRX toolchain) */
+TU_ATTR_BIT_FIELD_ORDER_END
+
+/*--------------------------------------------------------------------*/
+/* Register Bit Definitions                                           */
+/*--------------------------------------------------------------------*/
+
+// PIPE_TR
+// E
+#define RUSB2_PIPE_TR_E_TRENB_Pos       (9UL)        /* TRENB (Bit 9) */
+#define RUSB2_PIPE_TR_E_TRENB_Msk       (0x200UL)    /* TRENB (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPE_TR_E_TRCLR_Pos       (8UL)        /* TRCLR (Bit 8) */
+#define RUSB2_PIPE_TR_E_TRCLR_Msk       (0x100UL)    /* TRCLR (Bitfield-Mask: 0x01) */
+
+// N
+#define RUSB2_PIPE_TR_N_TRNCNT_Pos      (0UL)        /* TRNCNT (Bit 0) */
+#define RUSB2_PIPE_TR_N_TRNCNT_Msk      (0xffffUL)   /* TRNCNT (Bitfield-Mask: 0xffff) */
+
+// LINK_REG
+
+// SYSCFG
+#define RUSB2_SYSCFG_SCKE_Pos           (10UL)       /* SCKE (Bit 10) */
+#define RUSB2_SYSCFG_SCKE_Msk           (0x400UL)    /* SCKE (Bitfield-Mask: 0x01) */
+#define RUSB2_SYSCFG_CNEN_Pos           (8UL)        /* CNEN (Bit 8) */
+#define RUSB2_SYSCFG_CNEN_Msk           (0x100UL)    /* CNEN (Bitfield-Mask: 0x01) */
+#define RUSB2_SYSCFG_DCFM_Pos           (6UL)        /* DCFM (Bit 6) */
+#define RUSB2_SYSCFG_DCFM_Msk           (0x40UL)     /* DCFM (Bitfield-Mask: 0x01) */
+#define RUSB2_SYSCFG_DRPD_Pos           (5UL)        /* DRPD (Bit 5) */
+#define RUSB2_SYSCFG_DRPD_Msk           (0x20UL)     /* DRPD (Bitfield-Mask: 0x01) */
+#define RUSB2_SYSCFG_DPRPU_Pos          (4UL)        /* DPRPU (Bit 4) */
+#define RUSB2_SYSCFG_DPRPU_Msk          (0x10UL)     /* DPRPU (Bitfield-Mask: 0x01) */
+#define RUSB2_SYSCFG_DMRPU_Pos          (3UL)        /* DMRPU (Bit 3) */
+#define RUSB2_SYSCFG_DMRPU_Msk          (0x8UL)      /* DMRPU (Bitfield-Mask: 0x01) */
+#define RUSB2_SYSCFG_USBE_Pos           (0UL)        /* USBE (Bit 0) */
+#define RUSB2_SYSCFG_USBE_Msk           (0x1UL)      /* USBE (Bitfield-Mask: 0x01) */
+
+// BUSWAIT
+#define RUSB2_BUSWAIT_BWAIT_Pos         (0UL)        /* BWAIT (Bit 0) */
+#define RUSB2_BUSWAIT_BWAIT_Msk         (0xfUL)      /* BWAIT (Bitfield-Mask: 0x0f) */
+
+// SYSSTS0
+#define RUSB2_SYSSTS0_OVCMON_Pos        (14UL)       /* OVCMON (Bit 14) */
+#define RUSB2_SYSSTS0_OVCMON_Msk        (0xc000UL)   /* OVCMON (Bitfield-Mask: 0x03) */
+#define RUSB2_SYSSTS0_HTACT_Pos         (6UL)        /* HTACT (Bit 6) */
+#define RUSB2_SYSSTS0_HTACT_Msk         (0x40UL)     /* HTACT (Bitfield-Mask: 0x01) */
+#define RUSB2_SYSSTS0_SOFEA_Pos         (5UL)        /* SOFEA (Bit 5) */
+#define RUSB2_SYSSTS0_SOFEA_Msk         (0x20UL)     /* SOFEA (Bitfield-Mask: 0x01) */
+#define RUSB2_SYSSTS0_IDMON_Pos         (2UL)        /* IDMON (Bit 2) */
+#define RUSB2_SYSSTS0_IDMON_Msk         (0x4UL)      /* IDMON (Bitfield-Mask: 0x01) */
+#define RUSB2_SYSSTS0_LNST_Pos          (0UL)        /* LNST (Bit 0) */
+#define RUSB2_SYSSTS0_LNST_Msk          (0x3UL)      /* LNST (Bitfield-Mask: 0x03) */
+
+// PLLSTA
+#define RUSB2_PLLSTA_PLLLOCK_Pos        (0UL)        /* PLLLOCK (Bit 0) */
+#define RUSB2_PLLSTA_PLLLOCK_Msk        (0x1UL)      /* PLLLOCK (Bitfield-Mask: 0x01) */
+
+// DVSTCTR0
+#define RUSB2_DVSTCTR0_HNPBTOA_Pos      (11UL)       /* HNPBTOA (Bit 11) */
+#define RUSB2_DVSTCTR0_HNPBTOA_Msk      (0x800UL)    /* HNPBTOA (Bitfield-Mask: 0x01) */
+#define RUSB2_DVSTCTR0_EXICEN_Pos       (10UL)       /* EXICEN (Bit 10) */
+#define RUSB2_DVSTCTR0_EXICEN_Msk       (0x400UL)    /* EXICEN (Bitfield-Mask: 0x01) */
+#define RUSB2_DVSTCTR0_VBUSEN_Pos       (9UL)        /* VBUSEN (Bit 9) */
+#define RUSB2_DVSTCTR0_VBUSEN_Msk       (0x200UL)    /* VBUSEN (Bitfield-Mask: 0x01) */
+#define RUSB2_DVSTCTR0_WKUP_Pos         (8UL)        /* WKUP (Bit 8) */
+#define RUSB2_DVSTCTR0_WKUP_Msk         (0x100UL)    /* WKUP (Bitfield-Mask: 0x01) */
+#define RUSB2_DVSTCTR0_RWUPE_Pos        (7UL)        /* RWUPE (Bit 7) */
+#define RUSB2_DVSTCTR0_RWUPE_Msk        (0x80UL)     /* RWUPE (Bitfield-Mask: 0x01) */
+#define RUSB2_DVSTCTR0_USBRST_Pos       (6UL)        /* USBRST (Bit 6) */
+#define RUSB2_DVSTCTR0_USBRST_Msk       (0x40UL)     /* USBRST (Bitfield-Mask: 0x01) */
+#define RUSB2_DVSTCTR0_RESUME_Pos       (5UL)        /* RESUME (Bit 5) */
+#define RUSB2_DVSTCTR0_RESUME_Msk       (0x20UL)     /* RESUME (Bitfield-Mask: 0x01) */
+#define RUSB2_DVSTCTR0_UACT_Pos         (4UL)        /* UACT (Bit 4) */
+#define RUSB2_DVSTCTR0_UACT_Msk         (0x10UL)     /* UACT (Bitfield-Mask: 0x01) */
+#define RUSB2_DVSTCTR0_RHST_Pos         (0UL)        /* RHST (Bit 0) */
+#define RUSB2_DVSTCTR0_RHST_Msk         (0x7UL)      /* RHST (Bitfield-Mask: 0x07) */
+
+// TESTMODE
+#define RUSB2_TESTMODE_UTST_Pos         (0UL)        /* UTST (Bit 0) */
+#define RUSB2_TESTMODE_UTST_Msk         (0xfUL)      /* UTST (Bitfield-Mask: 0x0f) */
+
+// CFIFOSEL
+#define RUSB2_CFIFOSEL_RCNT_Pos         (15UL)       /* RCNT (Bit 15) */
+#define RUSB2_CFIFOSEL_RCNT_Msk         (0x8000UL)   /* RCNT (Bitfield-Mask: 0x01) */
+#define RUSB2_CFIFOSEL_REW_Pos          (14UL)       /* REW (Bit 14) */
+#define RUSB2_CFIFOSEL_REW_Msk          (0x4000UL)   /* REW (Bitfield-Mask: 0x01) */
+#define RUSB2_CFIFOSEL_MBW_Pos          (10UL)       /* MBW (Bit 10) */
+#define RUSB2_CFIFOSEL_MBW_Msk          (0xc00UL)    /* MBW (Bitfield-Mask: 0x03) */
+#define RUSB2_CFIFOSEL_BIGEND_Pos       (8UL)        /* BIGEND (Bit 8) */
+#define RUSB2_CFIFOSEL_BIGEND_Msk       (0x100UL)    /* BIGEND (Bitfield-Mask: 0x01) */
+#define RUSB2_CFIFOSEL_ISEL_Pos         (5UL)        /* ISEL (Bit 5) */
+#define RUSB2_CFIFOSEL_ISEL_Msk         (0x20UL)     /* ISEL (Bitfield-Mask: 0x01) */
+#define RUSB2_CFIFOSEL_CURPIPE_Pos      (0UL)        /* CURPIPE (Bit 0) */
+#define RUSB2_CFIFOSEL_CURPIPE_Msk      (0xfUL)      /* CURPIPE (Bitfield-Mask: 0x0f) */
+
+// CFIFOCTR
+#define RUSB2_CFIFOCTR_BVAL_Pos         (15UL)       /* BVAL (Bit 15) */
+#define RUSB2_CFIFOCTR_BVAL_Msk         (0x8000UL)   /* BVAL (Bitfield-Mask: 0x01) */
+#define RUSB2_CFIFOCTR_BCLR_Pos         (14UL)       /* BCLR (Bit 14) */
+#define RUSB2_CFIFOCTR_BCLR_Msk         (0x4000UL)   /* BCLR (Bitfield-Mask: 0x01) */
+#define RUSB2_CFIFOCTR_FRDY_Pos         (13UL)       /* FRDY (Bit 13) */
+#define RUSB2_CFIFOCTR_FRDY_Msk         (0x2000UL)   /* FRDY (Bitfield-Mask: 0x01) */
+#define RUSB2_CFIFOCTR_DTLN_Pos         (0UL)        /* DTLN (Bit 0) */
+#define RUSB2_CFIFOCTR_DTLN_Msk         (0xfffUL)    /* DTLN (Bitfield-Mask: 0xfff) */
+
+// D0FIFOSEL
+#define RUSB2_D0FIFOSEL_RCNT_Pos        (15UL)       /* RCNT (Bit 15) */
+#define RUSB2_D0FIFOSEL_RCNT_Msk        (0x8000UL)   /* RCNT (Bitfield-Mask: 0x01) */
+#define RUSB2_D0FIFOSEL_REW_Pos         (14UL)       /* REW (Bit 14) */
+#define RUSB2_D0FIFOSEL_REW_Msk         (0x4000UL)   /* REW (Bitfield-Mask: 0x01) */
+#define RUSB2_D0FIFOSEL_DCLRM_Pos       (13UL)       /* DCLRM (Bit 13) */
+#define RUSB2_D0FIFOSEL_DCLRM_Msk       (0x2000UL)   /* DCLRM (Bitfield-Mask: 0x01) */
+#define RUSB2_D0FIFOSEL_DREQE_Pos       (12UL)       /* DREQE (Bit 12) */
+#define RUSB2_D0FIFOSEL_DREQE_Msk       (0x1000UL)   /* DREQE (Bitfield-Mask: 0x01) */
+#define RUSB2_D0FIFOSEL_MBW_Pos         (10UL)       /* MBW (Bit 10) */
+#define RUSB2_D0FIFOSEL_MBW_Msk         (0xc00UL)    /* MBW (Bitfield-Mask: 0x03) */
+#define RUSB2_D0FIFOSEL_BIGEND_Pos      (8UL)        /* BIGEND (Bit 8) */
+#define RUSB2_D0FIFOSEL_BIGEND_Msk      (0x100UL)    /* BIGEND (Bitfield-Mask: 0x01) */
+#define RUSB2_D0FIFOSEL_CURPIPE_Pos     (0UL)        /* CURPIPE (Bit 0) */
+#define RUSB2_D0FIFOSEL_CURPIPE_Msk     (0xfUL)      /* CURPIPE (Bitfield-Mask: 0x0f) */
+
+// D0FIFOCTR
+#define RUSB2_D0FIFOCTR_BVAL_Pos        (15UL)       /* BVAL (Bit 15) */
+#define RUSB2_D0FIFOCTR_BVAL_Msk        (0x8000UL)   /* BVAL (Bitfield-Mask: 0x01) */
+#define RUSB2_D0FIFOCTR_BCLR_Pos        (14UL)       /* BCLR (Bit 14) */
+#define RUSB2_D0FIFOCTR_BCLR_Msk        (0x4000UL)   /* BCLR (Bitfield-Mask: 0x01) */
+#define RUSB2_D0FIFOCTR_FRDY_Pos        (13UL)       /* FRDY (Bit 13) */
+#define RUSB2_D0FIFOCTR_FRDY_Msk        (0x2000UL)   /* FRDY (Bitfield-Mask: 0x01) */
+#define RUSB2_D0FIFOCTR_DTLN_Pos        (0UL)        /* DTLN (Bit 0) */
+#define RUSB2_D0FIFOCTR_DTLN_Msk        (0xfffUL)    /* DTLN (Bitfield-Mask: 0xfff) */
+
+// D1FIFOSEL
+#define RUSB2_D1FIFOSEL_RCNT_Pos        (15UL)       /* RCNT (Bit 15) */
+#define RUSB2_D1FIFOSEL_RCNT_Msk        (0x8000UL)   /* RCNT (Bitfield-Mask: 0x01) */
+#define RUSB2_D1FIFOSEL_REW_Pos         (14UL)       /* REW (Bit 14) */
+#define RUSB2_D1FIFOSEL_REW_Msk         (0x4000UL)   /* REW (Bitfield-Mask: 0x01) */
+#define RUSB2_D1FIFOSEL_DCLRM_Pos       (13UL)       /* DCLRM (Bit 13) */
+#define RUSB2_D1FIFOSEL_DCLRM_Msk       (0x2000UL)   /* DCLRM (Bitfield-Mask: 0x01) */
+#define RUSB2_D1FIFOSEL_DREQE_Pos       (12UL)       /* DREQE (Bit 12) */
+#define RUSB2_D1FIFOSEL_DREQE_Msk       (0x1000UL)   /* DREQE (Bitfield-Mask: 0x01) */
+#define RUSB2_D1FIFOSEL_MBW_Pos         (10UL)       /* MBW (Bit 10) */
+#define RUSB2_D1FIFOSEL_MBW_Msk         (0xc00UL)    /* MBW (Bitfield-Mask: 0x03) */
+#define RUSB2_D1FIFOSEL_BIGEND_Pos      (8UL)        /* BIGEND (Bit 8) */
+#define RUSB2_D1FIFOSEL_BIGEND_Msk      (0x100UL)    /* BIGEND (Bitfield-Mask: 0x01) */
+#define RUSB2_D1FIFOSEL_CURPIPE_Pos     (0UL)        /* CURPIPE (Bit 0) */
+#define RUSB2_D1FIFOSEL_CURPIPE_Msk     (0xfUL)      /* CURPIPE (Bitfield-Mask: 0x0f) */
+
+// D1FIFOCTR
+#define RUSB2_D1FIFOCTR_BVAL_Pos        (15UL)       /* BVAL (Bit 15) */
+#define RUSB2_D1FIFOCTR_BVAL_Msk        (0x8000UL)   /* BVAL (Bitfield-Mask: 0x01) */
+#define RUSB2_D1FIFOCTR_BCLR_Pos        (14UL)       /* BCLR (Bit 14) */
+#define RUSB2_D1FIFOCTR_BCLR_Msk        (0x4000UL)   /* BCLR (Bitfield-Mask: 0x01) */
+#define RUSB2_D1FIFOCTR_FRDY_Pos        (13UL)       /* FRDY (Bit 13) */
+#define RUSB2_D1FIFOCTR_FRDY_Msk        (0x2000UL)   /* FRDY (Bitfield-Mask: 0x01) */
+#define RUSB2_D1FIFOCTR_DTLN_Pos        (0UL)        /* DTLN (Bit 0) */
+#define RUSB2_D1FIFOCTR_DTLN_Msk        (0xfffUL)    /* DTLN (Bitfield-Mask: 0xfff) */
+
+// INTENB0
+#define RUSB2_INTENB0_VBSE_Pos          (15UL)       /* VBSE (Bit 15) */
+#define RUSB2_INTENB0_VBSE_Msk          (0x8000UL)   /* VBSE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB0_RSME_Pos          (14UL)       /* RSME (Bit 14) */
+#define RUSB2_INTENB0_RSME_Msk          (0x4000UL)   /* RSME (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB0_SOFE_Pos          (13UL)       /* SOFE (Bit 13) */
+#define RUSB2_INTENB0_SOFE_Msk          (0x2000UL)   /* SOFE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB0_DVSE_Pos          (12UL)       /* DVSE (Bit 12) */
+#define RUSB2_INTENB0_DVSE_Msk          (0x1000UL)   /* DVSE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB0_CTRE_Pos          (11UL)       /* CTRE (Bit 11) */
+#define RUSB2_INTENB0_CTRE_Msk          (0x800UL)    /* CTRE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB0_BEMPE_Pos         (10UL)       /* BEMPE (Bit 10) */
+#define RUSB2_INTENB0_BEMPE_Msk         (0x400UL)    /* BEMPE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB0_NRDYE_Pos         (9UL)        /* NRDYE (Bit 9) */
+#define RUSB2_INTENB0_NRDYE_Msk         (0x200UL)    /* NRDYE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB0_BRDYE_Pos         (8UL)        /* BRDYE (Bit 8) */
+#define RUSB2_INTENB0_BRDYE_Msk         (0x100UL)    /* BRDYE (Bitfield-Mask: 0x01) */
+
+// INTENB1
+#define RUSB2_INTENB1_OVRCRE_Pos        (15UL)       /* OVRCRE (Bit 15) */
+#define RUSB2_INTENB1_OVRCRE_Msk        (0x8000UL)   /* OVRCRE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB1_BCHGE_Pos         (14UL)       /* BCHGE (Bit 14) */
+#define RUSB2_INTENB1_BCHGE_Msk         (0x4000UL)   /* BCHGE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB1_DTCHE_Pos         (12UL)       /* DTCHE (Bit 12) */
+#define RUSB2_INTENB1_DTCHE_Msk         (0x1000UL)   /* DTCHE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB1_ATTCHE_Pos        (11UL)       /* ATTCHE (Bit 11) */
+#define RUSB2_INTENB1_ATTCHE_Msk        (0x800UL)    /* ATTCHE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB1_EOFERRE_Pos       (6UL)        /* EOFERRE (Bit 6) */
+#define RUSB2_INTENB1_EOFERRE_Msk       (0x40UL)     /* EOFERRE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB1_SIGNE_Pos         (5UL)        /* SIGNE (Bit 5) */
+#define RUSB2_INTENB1_SIGNE_Msk         (0x20UL)     /* SIGNE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB1_SACKE_Pos         (4UL)        /* SACKE (Bit 4) */
+#define RUSB2_INTENB1_SACKE_Msk         (0x10UL)     /* SACKE (Bitfield-Mask: 0x01) */
+#define RUSB2_INTENB1_PDDETINTE0_Pos    (0UL)        /* PDDETINTE0 (Bit 0) */
+#define RUSB2_INTENB1_PDDETINTE0_Msk    (0x1UL)      /* PDDETINTE0 (Bitfield-Mask: 0x01) */
+
+// BRDYENB
+#define RUSB2_BRDYENB_PIPEBRDYE_Pos     (0UL)        /* PIPEBRDYE (Bit 0) */
+#define RUSB2_BRDYENB_PIPEBRDYE_Msk     (0x1UL)      /* PIPEBRDYE (Bitfield-Mask: 0x01) */
+
+// NRDYENB
+#define RUSB2_NRDYENB_PIPENRDYE_Pos     (0UL)        /* PIPENRDYE (Bit 0) */
+#define RUSB2_NRDYENB_PIPENRDYE_Msk     (0x1UL)      /* PIPENRDYE (Bitfield-Mask: 0x01) */
+
+// BEMPENB
+#define RUSB2_BEMPENB_PIPEBEMPE_Pos     (0UL)        /* PIPEBEMPE (Bit 0) */
+#define RUSB2_BEMPENB_PIPEBEMPE_Msk     (0x1UL)      /* PIPEBEMPE (Bitfield-Mask: 0x01) */
+
+// SOFCFG
+#define RUSB2_SOFCFG_TRNENSEL_Pos       (8UL)        /* TRNENSEL (Bit 8) */
+#define RUSB2_SOFCFG_TRNENSEL_Msk       (0x100UL)    /* TRNENSEL (Bitfield-Mask: 0x01) */
+#define RUSB2_SOFCFG_BRDYM_Pos          (6UL)        /* BRDYM (Bit 6) */
+#define RUSB2_SOFCFG_BRDYM_Msk          (0x40UL)     /* BRDYM (Bitfield-Mask: 0x01) */
+#define RUSB2_SOFCFG_INTL_Pos           (5UL)        /* INTL (Bit 5) */
+#define RUSB2_SOFCFG_INTL_Msk           (0x20UL)     /* INTL (Bitfield-Mask: 0x01) */
+#define RUSB2_SOFCFG_EDGESTS_Pos        (4UL)        /* EDGESTS (Bit 4) */
+#define RUSB2_SOFCFG_EDGESTS_Msk        (0x10UL)     /* EDGESTS (Bitfield-Mask: 0x01) */
+
+// PHYSET
+#define RUSB2_PHYSET_HSEB_Pos           (15UL)       /* HSEB (Bit 15) */
+#define RUSB2_PHYSET_HSEB_Msk           (0x8000UL)   /* HSEB (Bitfield-Mask: 0x01) */
+#define RUSB2_PHYSET_REPSTART_Pos       (11UL)       /* REPSTART (Bit 11) */
+#define RUSB2_PHYSET_REPSTART_Msk       (0x800UL)    /* REPSTART (Bitfield-Mask: 0x01) */
+#define RUSB2_PHYSET_REPSEL_Pos         (8UL)        /* REPSEL (Bit 8) */
+#define RUSB2_PHYSET_REPSEL_Msk         (0x300UL)    /* REPSEL (Bitfield-Mask: 0x03) */
+#define RUSB2_PHYSET_CLKSEL_Pos         (4UL)        /* CLKSEL (Bit 4) */
+#define RUSB2_PHYSET_CLKSEL_Msk         (0x30UL)     /* CLKSEL (Bitfield-Mask: 0x03) */
+#define RUSB2_PHYSET_CDPEN_Pos          (3UL)        /* CDPEN (Bit 3) */
+#define RUSB2_PHYSET_CDPEN_Msk          (0x8UL)      /* CDPEN (Bitfield-Mask: 0x01) */
+#define RUSB2_PHYSET_PLLRESET_Pos       (1UL)        /* PLLRESET (Bit 1) */
+#define RUSB2_PHYSET_PLLRESET_Msk       (0x2UL)      /* PLLRESET (Bitfield-Mask: 0x01) */
+#define RUSB2_PHYSET_DIRPD_Pos          (0UL)        /* DIRPD (Bit 0) */
+#define RUSB2_PHYSET_DIRPD_Msk          (0x1UL)      /* DIRPD (Bitfield-Mask: 0x01) */
+
+// INTSTS0
+#define RUSB2_INTSTS0_VBINT_Pos         (15UL)       /* VBINT (Bit 15) */
+#define RUSB2_INTSTS0_VBINT_Msk         (0x8000UL)   /* VBINT (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS0_RESM_Pos          (14UL)       /* RESM (Bit 14) */
+#define RUSB2_INTSTS0_RESM_Msk          (0x4000UL)   /* RESM (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS0_SOFR_Pos          (13UL)       /* SOFR (Bit 13) */
+#define RUSB2_INTSTS0_SOFR_Msk          (0x2000UL)   /* SOFR (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS0_DVST_Pos          (12UL)       /* DVST (Bit 12) */
+#define RUSB2_INTSTS0_DVST_Msk          (0x1000UL)   /* DVST (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS0_CTRT_Pos          (11UL)       /* CTRT (Bit 11) */
+#define RUSB2_INTSTS0_CTRT_Msk          (0x800UL)    /* CTRT (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS0_BEMP_Pos          (10UL)       /* BEMP (Bit 10) */
+#define RUSB2_INTSTS0_BEMP_Msk          (0x400UL)    /* BEMP (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS0_NRDY_Pos          (9UL)        /* NRDY (Bit 9) */
+#define RUSB2_INTSTS0_NRDY_Msk          (0x200UL)    /* NRDY (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS0_BRDY_Pos          (8UL)        /* BRDY (Bit 8) */
+#define RUSB2_INTSTS0_BRDY_Msk          (0x100UL)    /* BRDY (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS0_VBSTS_Pos         (7UL)        /* VBSTS (Bit 7) */
+#define RUSB2_INTSTS0_VBSTS_Msk         (0x80UL)     /* VBSTS (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS0_DVSQ_Pos          (4UL)        /* DVSQ (Bit 4) */
+#define RUSB2_INTSTS0_DVSQ_Msk          (0x70UL)     /* DVSQ (Bitfield-Mask: 0x07) */
+#define RUSB2_INTSTS0_VALID_Pos         (3UL)        /* VALID (Bit 3) */
+#define RUSB2_INTSTS0_VALID_Msk         (0x8UL)      /* VALID (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS0_CTSQ_Pos          (0UL)        /* CTSQ (Bit 0) */
+#define RUSB2_INTSTS0_CTSQ_Msk          (0x7UL)      /* CTSQ (Bitfield-Mask: 0x07) */
+
+// INTSTS1
+#define RUSB2_INTSTS1_OVRCR_Pos         (15UL)       /* OVRCR (Bit 15) */
+#define RUSB2_INTSTS1_OVRCR_Msk         (0x8000UL)   /* OVRCR (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS1_BCHG_Pos          (14UL)       /* BCHG (Bit 14) */
+#define RUSB2_INTSTS1_BCHG_Msk          (0x4000UL)   /* BCHG (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS1_DTCH_Pos          (12UL)       /* DTCH (Bit 12) */
+#define RUSB2_INTSTS1_DTCH_Msk          (0x1000UL)   /* DTCH (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS1_ATTCH_Pos         (11UL)       /* ATTCH (Bit 11) */
+#define RUSB2_INTSTS1_ATTCH_Msk         (0x800UL)    /* ATTCH (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS1_L1RSMEND_Pos      (9UL)        /* L1RSMEND (Bit 9) */
+#define RUSB2_INTSTS1_L1RSMEND_Msk      (0x200UL)    /* L1RSMEND (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS1_LPMEND_Pos        (8UL)        /* LPMEND (Bit 8) */
+#define RUSB2_INTSTS1_LPMEND_Msk        (0x100UL)    /* LPMEND (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS1_EOFERR_Pos        (6UL)        /* EOFERR (Bit 6) */
+#define RUSB2_INTSTS1_EOFERR_Msk        (0x40UL)     /* EOFERR (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS1_SIGN_Pos          (5UL)        /* SIGN (Bit 5) */
+#define RUSB2_INTSTS1_SIGN_Msk          (0x20UL)     /* SIGN (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS1_SACK_Pos          (4UL)        /* SACK (Bit 4) */
+#define RUSB2_INTSTS1_SACK_Msk          (0x10UL)     /* SACK (Bitfield-Mask: 0x01) */
+#define RUSB2_INTSTS1_PDDETINT0_Pos     (0UL)        /* PDDETINT0 (Bit 0) */
+#define RUSB2_INTSTS1_PDDETINT0_Msk     (0x1UL)      /* PDDETINT0 (Bitfield-Mask: 0x01) */
+
+// BRDYSTS
+#define RUSB2_BRDYSTS_PIPEBRDY_Pos      (0UL)        /* PIPEBRDY (Bit 0) */
+#define RUSB2_BRDYSTS_PIPEBRDY_Msk      (0x1UL)      /* PIPEBRDY (Bitfield-Mask: 0x01) */
+
+// NRDYSTS
+#define RUSB2_NRDYSTS_PIPENRDY_Pos      (0UL)        /* PIPENRDY (Bit 0) */
+#define RUSB2_NRDYSTS_PIPENRDY_Msk      (0x1UL)      /* PIPENRDY (Bitfield-Mask: 0x01) */
+
+// BEMPSTS
+#define RUSB2_BEMPSTS_PIPEBEMP_Pos      (0UL)        /* PIPEBEMP (Bit 0) */
+#define RUSB2_BEMPSTS_PIPEBEMP_Msk      (0x1UL)      /* PIPEBEMP (Bitfield-Mask: 0x01) */
+
+// FRMNUM
+#define RUSB2_FRMNUM_OVRN_Pos           (15UL)       /* OVRN (Bit 15) */
+#define RUSB2_FRMNUM_OVRN_Msk           (0x8000UL)   /* OVRN (Bitfield-Mask: 0x01) */
+#define RUSB2_FRMNUM_CRCE_Pos           (14UL)       /* CRCE (Bit 14) */
+#define RUSB2_FRMNUM_CRCE_Msk           (0x4000UL)   /* CRCE (Bitfield-Mask: 0x01) */
+#define RUSB2_FRMNUM_FRNM_Pos           (0UL)        /* FRNM (Bit 0) */
+#define RUSB2_FRMNUM_FRNM_Msk           (0x7ffUL)    /* FRNM (Bitfield-Mask: 0x7ff) */
+
+// UFRMNUM
+#define RUSB2_UFRMNUM_DVCHG_Pos         (15UL)       /* DVCHG (Bit 15) */
+#define RUSB2_UFRMNUM_DVCHG_Msk         (0x8000UL)   /* DVCHG (Bitfield-Mask: 0x01) */
+#define RUSB2_UFRMNUM_UFRNM_Pos         (0UL)        /* UFRNM (Bit 0) */
+#define RUSB2_UFRMNUM_UFRNM_Msk         (0x7UL)      /* UFRNM (Bitfield-Mask: 0x07) */
+
+// USBADDR
+#define RUSB2_USBADDR_STSRECOV0_Pos     (8UL)        /* STSRECOV0 (Bit 8) */
+#define RUSB2_USBADDR_STSRECOV0_Msk     (0x700UL)    /* STSRECOV0 (Bitfield-Mask: 0x07) */
+#define RUSB2_USBADDR_USBADDR_Pos       (0UL)        /* USBADDR (Bit 0) */
+#define RUSB2_USBADDR_USBADDR_Msk       (0x7fUL)     /* USBADDR (Bitfield-Mask: 0x7f) */
+
+// USBREQ
+#define RUSB2_USBREQ_BREQUEST_Pos       (8UL)        /* BREQUEST (Bit 8) */
+#define RUSB2_USBREQ_BREQUEST_Msk       (0xff00UL)   /* BREQUEST (Bitfield-Mask: 0xff) */
+#define RUSB2_USBREQ_BMREQUESTTYPE_Pos  (0UL)        /* BMREQUESTTYPE (Bit 0) */
+#define RUSB2_USBREQ_BMREQUESTTYPE_Msk  (0xffUL)     /* BMREQUESTTYPE (Bitfield-Mask: 0xff) */
+
+// USBVAL
+#define RUSB2_USBVAL_WVALUE_Pos         (0UL)        /* WVALUE (Bit 0) */
+#define RUSB2_USBVAL_WVALUE_Msk         (0xffffUL)   /* WVALUE (Bitfield-Mask: 0xffff) */
+
+// USBINDX
+#define RUSB2_USBINDX_WINDEX_Pos        (0UL)        /* WINDEX (Bit 0) */
+#define RUSB2_USBINDX_WINDEX_Msk        (0xffffUL)   /* WINDEX (Bitfield-Mask: 0xffff) */
+
+// USBLENG
+#define RUSB2_USBLENG_WLENGTH_Pos       (0UL)        /* WLENGTH (Bit 0) */
+#define RUSB2_USBLENG_WLENGTH_Msk       (0xffffUL)   /* WLENGTH (Bitfield-Mask: 0xffff) */
+
+// DCPCFG
+#define RUSB2_DCPCFG_CNTMD_Pos          (8UL)        /* CNTMD (Bit 8) */
+#define RUSB2_DCPCFG_CNTMD_Msk          (0x100UL)    /* CNTMD (Bitfield-Mask: 0x01) */
+#define RUSB2_DCPCFG_SHTNAK_Pos         (7UL)        /* SHTNAK (Bit 7) */
+#define RUSB2_DCPCFG_SHTNAK_Msk         (0x80UL)     /* SHTNAK (Bitfield-Mask: 0x01) */
+#define RUSB2_DCPCFG_DIR_Pos            (4UL)        /* DIR (Bit 4) */
+#define RUSB2_DCPCFG_DIR_Msk            (0x10UL)     /* DIR (Bitfield-Mask: 0x01) */
+
+// DCPMAXP
+#define RUSB2_DCPMAXP_DEVSEL_Pos        (12UL)       /* DEVSEL (Bit 12) */
+#define RUSB2_DCPMAXP_DEVSEL_Msk        (0xf000UL)   /* DEVSEL (Bitfield-Mask: 0x0f) */
+#define RUSB2_DCPMAXP_MXPS_Pos          (0UL)        /* MXPS (Bit 0) */
+#define RUSB2_DCPMAXP_MXPS_Msk          (0x7fUL)     /* MXPS (Bitfield-Mask: 0x7f) */
+
+// DCPCTR
+#define RUSB2_DCPCTR_BSTS_Pos           (15UL)       /* BSTS (Bit 15) */
+#define RUSB2_DCPCTR_BSTS_Msk           (0x8000UL)   /* BSTS (Bitfield-Mask: 0x01) */
+#define RUSB2_DCPCTR_SUREQ_Pos          (14UL)       /* SUREQ (Bit 14) */
+#define RUSB2_DCPCTR_SUREQ_Msk          (0x4000UL)   /* SUREQ (Bitfield-Mask: 0x01) */
+#define RUSB2_DCPCTR_SUREQCLR_Pos       (11UL)       /* SUREQCLR (Bit 11) */
+#define RUSB2_DCPCTR_SUREQCLR_Msk       (0x800UL)    /* SUREQCLR (Bitfield-Mask: 0x01) */
+#define RUSB2_DCPCTR_SQCLR_Pos          (8UL)        /* SQCLR (Bit 8) */
+#define RUSB2_DCPCTR_SQCLR_Msk          (0x100UL)    /* SQCLR (Bitfield-Mask: 0x01) */
+#define RUSB2_DCPCTR_SQSET_Pos          (7UL)        /* SQSET (Bit 7) */
+#define RUSB2_DCPCTR_SQSET_Msk          (0x80UL)     /* SQSET (Bitfield-Mask: 0x01) */
+#define RUSB2_DCPCTR_SQMON_Pos          (6UL)        /* SQMON (Bit 6) */
+#define RUSB2_DCPCTR_SQMON_Msk          (0x40UL)     /* SQMON (Bitfield-Mask: 0x01) */
+#define RUSB2_DCPCTR_PBUSY_Pos          (5UL)        /* PBUSY (Bit 5) */
+#define RUSB2_DCPCTR_PBUSY_Msk          (0x20UL)     /* PBUSY (Bitfield-Mask: 0x01) */
+#define RUSB2_DCPCTR_CCPL_Pos           (2UL)        /* CCPL (Bit 2) */
+#define RUSB2_DCPCTR_CCPL_Msk           (0x4UL)      /* CCPL (Bitfield-Mask: 0x01) */
+#define RUSB2_DCPCTR_PID_Pos            (0UL)        /* PID (Bit 0) */
+#define RUSB2_DCPCTR_PID_Msk            (0x3UL)      /* PID (Bitfield-Mask: 0x03) */
+
+// PIPESEL
+#define RUSB2_PIPESEL_PIPESEL_Pos       (0UL)        /* PIPESEL (Bit 0) */
+#define RUSB2_PIPESEL_PIPESEL_Msk       (0xfUL)      /* PIPESEL (Bitfield-Mask: 0x0f) */
+
+// PIPECFG
+#define RUSB2_PIPECFG_TYPE_Pos          (14UL)       /* TYPE (Bit 14) */
+#define RUSB2_PIPECFG_TYPE_Msk          (0xc000UL)   /* TYPE (Bitfield-Mask: 0x03) */
+#define RUSB2_PIPECFG_BFRE_Pos          (10UL)       /* BFRE (Bit 10) */
+#define RUSB2_PIPECFG_BFRE_Msk          (0x400UL)    /* BFRE (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPECFG_DBLB_Pos          (9UL)        /* DBLB (Bit 9) */
+#define RUSB2_PIPECFG_DBLB_Msk          (0x200UL)    /* DBLB (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPECFG_SHTNAK_Pos        (7UL)        /* SHTNAK (Bit 7) */
+#define RUSB2_PIPECFG_SHTNAK_Msk        (0x80UL)     /* SHTNAK (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPECFG_DIR_Pos           (4UL)        /* DIR (Bit 4) */
+#define RUSB2_PIPECFG_DIR_Msk           (0x10UL)     /* DIR (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPECFG_EPNUM_Pos         (0UL)        /* EPNUM (Bit 0) */
+#define RUSB2_PIPECFG_EPNUM_Msk         (0xfUL)      /* EPNUM (Bitfield-Mask: 0x0f) */
+
+// PIPEMAXP
+#define RUSB2_PIPEMAXP_DEVSEL_Pos       (12UL)       /* DEVSEL (Bit 12) */
+#define RUSB2_PIPEMAXP_DEVSEL_Msk       (0xf000UL)   /* DEVSEL (Bitfield-Mask: 0x0f) */
+#define RUSB2_PIPEMAXP_MXPS_Pos         (0UL)        /* MXPS (Bit 0) */
+#define RUSB2_PIPEMAXP_MXPS_Msk         (0x1ffUL)    /* MXPS (Bitfield-Mask: 0x1ff) */
+
+// PIPEPERI
+#define RUSB2_PIPEPERI_IFIS_Pos         (12UL)       /* IFIS (Bit 12) */
+#define RUSB2_PIPEPERI_IFIS_Msk         (0x1000UL)   /* IFIS (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPEPERI_IITV_Pos         (0UL)        /* IITV (Bit 0) */
+#define RUSB2_PIPEPERI_IITV_Msk         (0x7UL)      /* IITV (Bitfield-Mask: 0x07) */
+
+// PIPE_CTR
+#define RUSB2_PIPE_CTR_BSTS_Pos         (15UL)       /* BSTS (Bit 15) */
+#define RUSB2_PIPE_CTR_BSTS_Msk         (0x8000UL)   /* BSTS (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPE_CTR_INBUFM_Pos       (14UL)       /* INBUFM (Bit 14) */
+#define RUSB2_PIPE_CTR_INBUFM_Msk       (0x4000UL)   /* INBUFM (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPE_CTR_CSCLR_Pos        (13UL)       /* CSCLR (Bit 13) */
+#define RUSB2_PIPE_CTR_CSCLR_Msk        (0x2000UL)   /* CSCLR (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPE_CTR_CSSTS_Pos        (12UL)       /* CSSTS (Bit 12) */
+#define RUSB2_PIPE_CTR_CSSTS_Msk        (0x1000UL)   /* CSSTS (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPE_CTR_ATREPM_Pos       (10UL)       /* ATREPM (Bit 10) */
+#define RUSB2_PIPE_CTR_ATREPM_Msk       (0x400UL)    /* ATREPM (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPE_CTR_ACLRM_Pos        (9UL)        /* ACLRM (Bit 9) */
+#define RUSB2_PIPE_CTR_ACLRM_Msk        (0x200UL)    /* ACLRM (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPE_CTR_SQCLR_Pos        (8UL)        /* SQCLR (Bit 8) */
+#define RUSB2_PIPE_CTR_SQCLR_Msk        (0x100UL)    /* SQCLR (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPE_CTR_SQSET_Pos        (7UL)        /* SQSET (Bit 7) */
+#define RUSB2_PIPE_CTR_SQSET_Msk        (0x80UL)     /* SQSET (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPE_CTR_SQMON_Pos        (6UL)        /* SQMON (Bit 6) */
+#define RUSB2_PIPE_CTR_SQMON_Msk        (0x40UL)     /* SQMON (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPE_CTR_PBUSY_Pos        (5UL)        /* PBUSY (Bit 5) */
+#define RUSB2_PIPE_CTR_PBUSY_Msk        (0x20UL)     /* PBUSY (Bitfield-Mask: 0x01) */
+#define RUSB2_PIPE_CTR_PID_Pos          (0UL)        /* PID (Bit 0) */
+#define RUSB2_PIPE_CTR_PID_Msk          (0x3UL)      /* PID (Bitfield-Mask: 0x03) */
+
+// DEVADD
+#define RUSB2_DEVADD_UPPHUB_Pos         (11UL)       /* UPPHUB (Bit 11) */
+#define RUSB2_DEVADD_UPPHUB_Msk         (0x7800UL)   /* UPPHUB (Bitfield-Mask: 0x0f) */
+#define RUSB2_DEVADD_HUBPORT_Pos        (8UL)        /* HUBPORT (Bit 8) */
+#define RUSB2_DEVADD_HUBPORT_Msk        (0x700UL)    /* HUBPORT (Bitfield-Mask: 0x07) */
+#define RUSB2_DEVADD_USBSPD_Pos         (6UL)        /* USBSPD (Bit 6) */
+#define RUSB2_DEVADD_USBSPD_Msk         (0xc0UL)     /* USBSPD (Bitfield-Mask: 0x03) */
+
+// USBBCCTRL0
+#define RUSB2_USBBCCTRL0_PDDETSTS0_Pos  (9UL)        /* PDDETSTS0 (Bit 9) */
+#define RUSB2_USBBCCTRL0_PDDETSTS0_Msk  (0x200UL)    /* PDDETSTS0 (Bitfield-Mask: 0x01) */
+#define RUSB2_USBBCCTRL0_CHGDETSTS0_Pos (8UL)        /* CHGDETSTS0 (Bit 8) */
+#define RUSB2_USBBCCTRL0_CHGDETSTS0_Msk (0x100UL)    /* CHGDETSTS0 (Bitfield-Mask: 0x01) */
+#define RUSB2_USBBCCTRL0_BATCHGE0_Pos   (7UL)        /* BATCHGE0 (Bit 7) */
+#define RUSB2_USBBCCTRL0_BATCHGE0_Msk   (0x80UL)     /* BATCHGE0 (Bitfield-Mask: 0x01) */
+#define RUSB2_USBBCCTRL0_VDMSRCE0_Pos   (5UL)        /* VDMSRCE0 (Bit 5) */
+#define RUSB2_USBBCCTRL0_VDMSRCE0_Msk   (0x20UL)     /* VDMSRCE0 (Bitfield-Mask: 0x01) */
+#define RUSB2_USBBCCTRL0_IDPSINKE0_Pos  (4UL)        /* IDPSINKE0 (Bit 4) */
+#define RUSB2_USBBCCTRL0_IDPSINKE0_Msk  (0x10UL)     /* IDPSINKE0 (Bitfield-Mask: 0x01) */
+#define RUSB2_USBBCCTRL0_VDPSRCE0_Pos   (3UL)        /* VDPSRCE0 (Bit 3) */
+#define RUSB2_USBBCCTRL0_VDPSRCE0_Msk   (0x8UL)      /* VDPSRCE0 (Bitfield-Mask: 0x01) */
+#define RUSB2_USBBCCTRL0_IDMSINKE0_Pos  (2UL)        /* IDMSINKE0 (Bit 2) */
+#define RUSB2_USBBCCTRL0_IDMSINKE0_Msk  (0x4UL)      /* IDMSINKE0 (Bitfield-Mask: 0x01) */
+#define RUSB2_USBBCCTRL0_IDPSRCE0_Pos   (1UL)        /* IDPSRCE0 (Bit 1) */
+#define RUSB2_USBBCCTRL0_IDPSRCE0_Msk   (0x2UL)      /* IDPSRCE0 (Bitfield-Mask: 0x01) */
+#define RUSB2_USBBCCTRL0_RPDME0_Pos     (0UL)        /* RPDME0 (Bit 0) */
+#define RUSB2_USBBCCTRL0_RPDME0_Msk     (0x1UL)      /* RPDME0 (Bitfield-Mask: 0x01) */
+
+// UCKSEL
+#define RUSB2_UCKSEL_UCKSELC_Pos        (0UL)        /* UCKSELC (Bit 0) */
+#define RUSB2_UCKSEL_UCKSELC_Msk        (0x1UL)      /* UCKSELC (Bitfield-Mask: 0x01) */
+
+// USBMC
+#define RUSB2_USBMC_VDCEN_Pos           (7UL)        /* VDCEN (Bit 7) */
+#define RUSB2_USBMC_VDCEN_Msk           (0x80UL)     /* VDCEN (Bitfield-Mask: 0x01) */
+#define RUSB2_USBMC_VDDUSBE_Pos         (0UL)        /* VDDUSBE (Bit 0) */
+#define RUSB2_USBMC_VDDUSBE_Msk         (0x1UL)      /* VDDUSBE (Bitfield-Mask: 0x01) */
+
+// PHYSLEW
+#define RUSB2_PHYSLEW_SLEWF01_Pos       (3UL)        /* SLEWF01 (Bit 3) */
+#define RUSB2_PHYSLEW_SLEWF01_Msk       (0x8UL)      /* SLEWF01 (Bitfield-Mask: 0x01) */
+#define RUSB2_PHYSLEW_SLEWF00_Pos       (2UL)        /* SLEWF00 (Bit 2) */
+#define RUSB2_PHYSLEW_SLEWF00_Msk       (0x4UL)      /* SLEWF00 (Bitfield-Mask: 0x01) */
+#define RUSB2_PHYSLEW_SLEWR01_Pos       (1UL)        /* SLEWR01 (Bit 1) */
+#define RUSB2_PHYSLEW_SLEWR01_Msk       (0x2UL)      /* SLEWR01 (Bitfield-Mask: 0x01) */
+#define RUSB2_PHYSLEW_SLEWR00_Pos       (0UL)        /* SLEWR00 (Bit 0) */
+#define RUSB2_PHYSLEW_SLEWR00_Msk       (0x1UL)      /* SLEWR00 (Bitfield-Mask: 0x01) */
+
+// LPCTRL
+#define RUSB2_LPCTRL_HWUPM_Pos          (7UL)        /* HWUPM (Bit 7) */
+#define RUSB2_LPCTRL_HWUPM_Msk          (0x80UL)     /* HWUPM (Bitfield-Mask: 0x01) */
+
+// LPSTS
+#define RUSB2_LPSTS_SUSPENDM_Pos        (14UL)       /* SUSPENDM (Bit 14) */
+#define RUSB2_LPSTS_SUSPENDM_Msk        (0x4000UL)   /* SUSPENDM (Bitfield-Mask: 0x01) */
+
+// BCCTRL
+#define RUSB2_BCCTRL_PDDETSTS_Pos       (9UL)        /* PDDETSTS (Bit 9) */
+#define RUSB2_BCCTRL_PDDETSTS_Msk       (0x200UL)    /* PDDETSTS (Bitfield-Mask: 0x01) */
+#define RUSB2_BCCTRL_CHGDETSTS_Pos      (8UL)        /* CHGDETSTS (Bit 8) */
+#define RUSB2_BCCTRL_CHGDETSTS_Msk      (0x100UL)    /* CHGDETSTS (Bitfield-Mask: 0x01) */
+#define RUSB2_BCCTRL_DCPMODE_Pos        (5UL)        /* DCPMODE (Bit 5) */
+#define RUSB2_BCCTRL_DCPMODE_Msk        (0x20UL)     /* DCPMODE (Bitfield-Mask: 0x01) */
+#define RUSB2_BCCTRL_VDMSRCE_Pos        (4UL)        /* VDMSRCE (Bit 4) */
+#define RUSB2_BCCTRL_VDMSRCE_Msk        (0x10UL)     /* VDMSRCE (Bitfield-Mask: 0x01) */
+#define RUSB2_BCCTRL_IDPSINKE_Pos       (3UL)        /* IDPSINKE (Bit 3) */
+#define RUSB2_BCCTRL_IDPSINKE_Msk       (0x8UL)      /* IDPSINKE (Bitfield-Mask: 0x01) */
+#define RUSB2_BCCTRL_VDPSRCE_Pos        (2UL)        /* VDPSRCE (Bit 2) */
+#define RUSB2_BCCTRL_VDPSRCE_Msk        (0x4UL)      /* VDPSRCE (Bitfield-Mask: 0x01) */
+#define RUSB2_BCCTRL_IDMSINKE_Pos       (1UL)        /* IDMSINKE (Bit 1) */
+#define RUSB2_BCCTRL_IDMSINKE_Msk       (0x2UL)      /* IDMSINKE (Bitfield-Mask: 0x01) */
+#define RUSB2_BCCTRL_IDPSRCE_Pos        (0UL)        /* IDPSRCE (Bit 0) */
+#define RUSB2_BCCTRL_IDPSRCE_Msk        (0x1UL)      /* IDPSRCE (Bitfield-Mask: 0x01) */
+
+// PL1CTRL1
+#define RUSB2_PL1CTRL1_L1EXTMD_Pos      (14UL)       /* L1EXTMD (Bit 14) */
+#define RUSB2_PL1CTRL1_L1EXTMD_Msk      (0x4000UL)   /* L1EXTMD (Bitfield-Mask: 0x01) */
+#define RUSB2_PL1CTRL1_HIRDTHR_Pos      (8UL)        /* HIRDTHR (Bit 8) */
+#define RUSB2_PL1CTRL1_HIRDTHR_Msk      (0xf00UL)    /* HIRDTHR (Bitfield-Mask: 0x0f) */
+#define RUSB2_PL1CTRL1_DVSQ_Pos         (4UL)        /* DVSQ (Bit 4) */
+#define RUSB2_PL1CTRL1_DVSQ_Msk         (0xf0UL)     /* DVSQ (Bitfield-Mask: 0x0f) */
+#define RUSB2_PL1CTRL1_L1NEGOMD_Pos     (3UL)        /* L1NEGOMD (Bit 3) */
+#define RUSB2_PL1CTRL1_L1NEGOMD_Msk     (0x8UL)      /* L1NEGOMD (Bitfield-Mask: 0x01) */
+#define RUSB2_PL1CTRL1_L1RESPMD_Pos     (1UL)        /* L1RESPMD (Bit 1) */
+#define RUSB2_PL1CTRL1_L1RESPMD_Msk     (0x6UL)      /* L1RESPMD (Bitfield-Mask: 0x03) */
+#define RUSB2_PL1CTRL1_L1RESPEN_Pos     (0UL)        /* L1RESPEN (Bit 0) */
+#define RUSB2_PL1CTRL1_L1RESPEN_Msk     (0x1UL)      /* L1RESPEN (Bitfield-Mask: 0x01) */
+
+// PL1CTRL2
+#define RUSB2_PL1CTRL2_RWEMON_Pos       (12UL)       /* RWEMON (Bit 12) */
+#define RUSB2_PL1CTRL2_RWEMON_Msk       (0x1000UL)   /* RWEMON (Bitfield-Mask: 0x01) */
+#define RUSB2_PL1CTRL2_HIRDMON_Pos      (8UL)        /* HIRDMON (Bit 8) */
+#define RUSB2_PL1CTRL2_HIRDMON_Msk      (0xf00UL)    /* HIRDMON (Bitfield-Mask: 0x0f) */
+
+// HL1CTRL1
+#define RUSB2_HL1CTRL1_L1STATUS_Pos     (1UL)        /* L1STATUS (Bit 1) */
+#define RUSB2_HL1CTRL1_L1STATUS_Msk     (0x6UL)      /* L1STATUS (Bitfield-Mask: 0x03) */
+#define RUSB2_HL1CTRL1_L1REQ_Pos        (0UL)        /* L1REQ (Bit 0) */
+#define RUSB2_HL1CTRL1_L1REQ_Msk        (0x1UL)      /* L1REQ (Bitfield-Mask: 0x01) */
+
+// HL1CTRL2
+#define RUSB2_HL1CTRL2_BESL_Pos         (15UL)       /* BESL (Bit 15) */
+#define RUSB2_HL1CTRL2_BESL_Msk         (0x8000UL)   /* BESL (Bitfield-Mask: 0x01) */
+#define RUSB2_HL1CTRL2_L1RWE_Pos        (12UL)       /* L1RWE (Bit 12) */
+#define RUSB2_HL1CTRL2_L1RWE_Msk        (0x1000UL)   /* L1RWE (Bitfield-Mask: 0x01) */
+#define RUSB2_HL1CTRL2_HIRD_Pos         (8UL)        /* HIRD (Bit 8) */
+#define RUSB2_HL1CTRL2_HIRD_Msk         (0xf00UL)    /* HIRD (Bitfield-Mask: 0x0f) */
+#define RUSB2_HL1CTRL2_L1ADDR_Pos       (0UL)        /* L1ADDR (Bit 0) */
+#define RUSB2_HL1CTRL2_L1ADDR_Msk       (0xfUL)      /* L1ADDR (Bitfield-Mask: 0x0f) */
+
+// DPUSR0R
+#define RUSB2_DPUSR0R_DVBSTSHM_Pos      (23UL)       /* DVBSTSHM (Bit 23) */
+#define RUSB2_DPUSR0R_DVBSTSHM_Msk      (0x800000UL) /* DVBSTSHM (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR0R_DOVCBHM_Pos       (21UL)       /* DOVCBHM (Bit 21) */
+#define RUSB2_DPUSR0R_DOVCBHM_Msk       (0x200000UL) /* DOVCBHM (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR0R_DOVCAHM_Pos       (20UL)       /* DOVCAHM (Bit 20) */
+#define RUSB2_DPUSR0R_DOVCAHM_Msk       (0x100000UL) /* DOVCAHM (Bitfield-Mask: 0x01) */
+
+// DPUSR1R
+#define RUSB2_DPUSR1R_DVBSTSH_Pos       (23UL)       /* DVBSTSH (Bit 23) */
+#define RUSB2_DPUSR1R_DVBSTSH_Msk       (0x800000UL) /* DVBSTSH (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_DOVCBH_Pos        (21UL)       /* DOVCBH (Bit 21) */
+#define RUSB2_DPUSR1R_DOVCBH_Msk        (0x200000UL) /* DOVCBH (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_DOVCAH_Pos        (20UL)       /* DOVCAH (Bit 20) */
+#define RUSB2_DPUSR1R_DOVCAH_Msk        (0x100000UL) /* DOVCAH (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_DVBSTSHE_Pos      (7UL)        /* DVBSTSHE (Bit 7) */
+#define RUSB2_DPUSR1R_DVBSTSHE_Msk      (0x80UL)     /* DVBSTSHE (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_DOVCBHE_Pos       (5UL)        /* DOVCBHE (Bit 5) */
+#define RUSB2_DPUSR1R_DOVCBHE_Msk       (0x20UL)     /* DOVCBHE (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_DOVCAHE_Pos       (4UL)        /* DOVCAHE (Bit 4) */
+#define RUSB2_DPUSR1R_DOVCAHE_Msk       (0x10UL)     /* DOVCAHE (Bitfield-Mask: 0x01) */
+
+// DPUSR2R
+#define RUSB2_DPUSR2R_DMINTE_Pos        (9UL)        /* DMINTE (Bit 9) */
+#define RUSB2_DPUSR2R_DMINTE_Msk        (0x200UL)    /* DMINTE (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR2R_DPINTE_Pos        (8UL)        /* DPINTE (Bit 8) */
+#define RUSB2_DPUSR2R_DPINTE_Msk        (0x100UL)    /* DPINTE (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR2R_DMVAL_Pos         (5UL)        /* DMVAL (Bit 5) */
+#define RUSB2_DPUSR2R_DMVAL_Msk         (0x20UL)     /* DMVAL (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR2R_DPVAL_Pos         (4UL)        /* DPVAL (Bit 4) */
+#define RUSB2_DPUSR2R_DPVAL_Msk         (0x10UL)     /* DPVAL (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR2R_DMINT_Pos         (1UL)        /* DMINT (Bit 1) */
+#define RUSB2_DPUSR2R_DMINT_Msk         (0x2UL)      /* DMINT (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR2R_DPINT_Pos         (0UL)        /* DPINT (Bit 0) */
+#define RUSB2_DPUSR2R_DPINT_Msk         (0x1UL)      /* DPINT (Bitfield-Mask: 0x01) */
+
+// DPUSRCR
+#define RUSB2_DPUSRCR_FIXPHYPD_Pos      (1UL)        /* FIXPHYPD (Bit 1) */
+#define RUSB2_DPUSRCR_FIXPHYPD_Msk      (0x2UL)      /* FIXPHYPD (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSRCR_FIXPHY_Pos        (0UL)        /* FIXPHY (Bit 0) */
+#define RUSB2_DPUSRCR_FIXPHY_Msk        (0x1UL)      /* FIXPHY (Bitfield-Mask: 0x01) */
+
+// DPUSR0R_FS
+#define RUSB2_DPUSR0R_FS_DVBSTS0_Pos    (23UL)       /* DVBSTS0 (Bit 23) */
+#define RUSB2_DPUSR0R_FS_DVBSTS0_Msk    (0x800000UL) /* DVBSTS0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR0R_FS_DOVCB0_Pos     (21UL)       /* DOVCB0 (Bit 21) */
+#define RUSB2_DPUSR0R_FS_DOVCB0_Msk     (0x200000UL) /* DOVCB0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR0R_FS_DOVCA0_Pos     (20UL)       /* DOVCA0 (Bit 20) */
+#define RUSB2_DPUSR0R_FS_DOVCA0_Msk     (0x100000UL) /* DOVCA0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR0R_FS_DM0_Pos        (17UL)       /* DM0 (Bit 17) */
+#define RUSB2_DPUSR0R_FS_DM0_Msk        (0x20000UL)  /* DM0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR0R_FS_DP0_Pos        (16UL)       /* DP0 (Bit 16) */
+#define RUSB2_DPUSR0R_FS_DP0_Msk        (0x10000UL)  /* DP0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR0R_FS_FIXPHY0_Pos    (4UL)        /* FIXPHY0 (Bit 4) */
+#define RUSB2_DPUSR0R_FS_FIXPHY0_Msk    (0x10UL)     /* FIXPHY0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR0R_FS_DRPD0_Pos      (3UL)        /* DRPD0 (Bit 3) */
+#define RUSB2_DPUSR0R_FS_DRPD0_Msk      (0x8UL)      /* DRPD0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR0R_FS_RPUE0_Pos      (1UL)        /* RPUE0 (Bit 1) */
+#define RUSB2_DPUSR0R_FS_RPUE0_Msk      (0x2UL)      /* RPUE0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR0R_FS_SRPC0_Pos      (0UL)        /* SRPC0 (Bit 0) */
+#define RUSB2_DPUSR0R_FS_SRPC0_Msk      (0x1UL)      /* SRPC0 (Bitfield-Mask: 0x01) */
+
+// DPUSR1R_FS
+#define RUSB2_DPUSR1R_FS_DVBINT0_Pos    (23UL)       /* DVBINT0 (Bit 23) */
+#define RUSB2_DPUSR1R_FS_DVBINT0_Msk    (0x800000UL) /* DVBINT0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_FS_DOVRCRB0_Pos   (21UL)       /* DOVRCRB0 (Bit 21) */
+#define RUSB2_DPUSR1R_FS_DOVRCRB0_Msk   (0x200000UL) /* DOVRCRB0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_FS_DOVRCRA0_Pos   (20UL)       /* DOVRCRA0 (Bit 20) */
+#define RUSB2_DPUSR1R_FS_DOVRCRA0_Msk   (0x100000UL) /* DOVRCRA0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_FS_DMINT0_Pos     (17UL)       /* DMINT0 (Bit 17) */
+#define RUSB2_DPUSR1R_FS_DMINT0_Msk     (0x20000UL)  /* DMINT0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_FS_DPINT0_Pos     (16UL)       /* DPINT0 (Bit 16) */
+#define RUSB2_DPUSR1R_FS_DPINT0_Msk     (0x10000UL)  /* DPINT0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_FS_DVBSE0_Pos     (7UL)        /* DVBSE0 (Bit 7) */
+#define RUSB2_DPUSR1R_FS_DVBSE0_Msk     (0x80UL)     /* DVBSE0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_FS_DOVRCRBE0_Pos  (5UL)        /* DOVRCRBE0 (Bit 5) */
+#define RUSB2_DPUSR1R_FS_DOVRCRBE0_Msk  (0x20UL)     /* DOVRCRBE0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_FS_DOVRCRAE0_Pos  (4UL)        /* DOVRCRAE0 (Bit 4) */
+#define RUSB2_DPUSR1R_FS_DOVRCRAE0_Msk  (0x10UL)     /* DOVRCRAE0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_FS_DMINTE0_Pos    (1UL)        /* DMINTE0 (Bit 1) */
+#define RUSB2_DPUSR1R_FS_DMINTE0_Msk    (0x2UL)      /* DMINTE0 (Bitfield-Mask: 0x01) */
+#define RUSB2_DPUSR1R_FS_DPINTE0_Pos    (0UL)        /* DPINTE0 (Bit 0) */
+#define RUSB2_DPUSR1R_FS_DPINTE0_Msk    (0x1UL)      /* DPINTE0 (Bitfield-Mask: 0x01) */
+
+/*--------------------------------------------------------------------*/
+/* Register Bit Utils                                           */
+/*--------------------------------------------------------------------*/
+#define RUSB2_PIPE_CTR_PID_NAK          (0U << RUSB2_PIPE_CTR_PID_Pos)    /* NAK response */
+#define RUSB2_PIPE_CTR_PID_BUF          (1U << RUSB2_PIPE_CTR_PID_Pos)    /* BUF response (depends buffer state) */
+#define RUSB2_PIPE_CTR_PID_STALL        (2U << RUSB2_PIPE_CTR_PID_Pos)    /* STALL response */
+
+#define RUSB2_DVSTCTR0_RHST_LS          (1U << RUSB2_DVSTCTR0_RHST_Pos)   /*  Low-speed connection */
+#define RUSB2_DVSTCTR0_RHST_FS          (2U << RUSB2_DVSTCTR0_RHST_Pos)   /*  Full-speed connection */
+
+#define RUSB2_DEVADD_USBSPD_LS          (1U << RUSB2_DEVADD_USBSPD_Pos)   /* Target Device Low-speed */
+#define RUSB2_DEVADD_USBSPD_FS          (2U << RUSB2_DEVADD_USBSPD_Pos)   /* Target Device Full-speed */
+
+#define RUSB2_CFIFOSEL_ISEL_WRITE       (1U << RUSB2_CFIFOSEL_ISEL_Pos)   /* FIFO write AKA TX*/
+
+#define RUSB2_FIFOSEL_BIGEND            (1U << RUSB2_CFIFOSEL_BIGEND_Pos) /* FIFO Big Endian */
+#define RUSB2_FIFOSEL_MBW_8BIT          (0U << RUSB2_CFIFOSEL_MBW_Pos)    /* 8-bit width */
+#define RUSB2_FIFOSEL_MBW_16BIT         (1U << RUSB2_CFIFOSEL_MBW_Pos)    /* 16-bit width */
+
+#define RUSB2_INTSTS0_CTSQ_CTRL_RDATA   (1U << RUSB2_INTSTS0_CTSQ_Pos)
+
+#define RUSB2_INTSTS0_DVSQ_STATE_DEF    (1U << RUSB2_INTSTS0_DVSQ_Pos)    /* Default state */
+#define RUSB2_INTSTS0_DVSQ_STATE_ADDR   (2U << RUSB2_INTSTS0_DVSQ_Pos)    /* Address state */
+#define RUSB2_INTSTS0_DVSQ_STATE_SUSP0  (4U << RUSB2_INTSTS0_DVSQ_Pos)    /* Suspend state */
+#define RUSB2_INTSTS0_DVSQ_STATE_SUSP1  (5U << RUSB2_INTSTS0_DVSQ_Pos)    /* Suspend state */
+#define RUSB2_INTSTS0_DVSQ_STATE_SUSP2  (6U << RUSB2_INTSTS0_DVSQ_Pos)    /* Suspend state */
+#define RUSB2_INTSTS0_DVSQ_STATE_SUSP3  (7U << RUSB2_INTSTS0_DVSQ_Pos)    /* Suspend state */
+
+#define RUSB2_PIPECFG_TYPE_BULK         (1U << RUSB2_PIPECFG_TYPE_Pos)
+#define RUSB2_PIPECFG_TYPE_INT          (2U << RUSB2_PIPECFG_TYPE_Pos)
+#define RUSB2_PIPECFG_TYPE_ISO          (3U << RUSB2_PIPECFG_TYPE_Pos)
+
+//--------------------------------------------------------------------+
+// Static Assert
+//--------------------------------------------------------------------+
+
+TU_VERIFY_STATIC(sizeof(RUSB2_PIPE_TR_t) == 4, "incorrect size");
+
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, SYSCFG     ) == 0x00000000, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, BUSWAIT    ) == 0x00000002, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, SYSSTS0    ) == 0x00000004, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, PLLSTA     ) == 0x00000006, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, DVSTCTR0   ) == 0x00000008, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, TESTMODE   ) == 0x0000000C, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, CFIFO      ) == 0x00000014, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, D0FIFO     ) == 0x00000018, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, D1FIFO     ) == 0x0000001C, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, CFIFOSEL   ) == 0x00000020, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, CFIFOCTR   ) == 0x00000022, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, D0FIFOSEL  ) == 0x00000028, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, D0FIFOCTR  ) == 0x0000002A, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, D1FIFOSEL  ) == 0x0000002C, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, D1FIFOCTR  ) == 0x0000002E, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, INTENB0    ) == 0x00000030, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, INTENB1    ) == 0x00000032, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, BRDYENB    ) == 0x00000036, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, NRDYENB    ) == 0x00000038, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, BEMPENB    ) == 0x0000003A, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, SOFCFG     ) == 0x0000003C, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, PHYSET     ) == 0x0000003E, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, INTSTS0    ) == 0x00000040, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, INTSTS1    ) == 0x00000042, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, BRDYSTS    ) == 0x00000046, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, NRDYSTS    ) == 0x00000048, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, BEMPSTS    ) == 0x0000004A, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, FRMNUM     ) == 0x0000004C, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, UFRMNUM    ) == 0x0000004E, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, USBADDR    ) == 0x00000050, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, USBREQ     ) == 0x00000054, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, USBVAL     ) == 0x00000056, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, USBINDX    ) == 0x00000058, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, USBLENG    ) == 0x0000005A, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, DCPCFG     ) == 0x0000005C, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, DCPMAXP    ) == 0x0000005E, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, DCPCTR     ) == 0x00000060, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, PIPESEL    ) == 0x00000064, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, PIPECFG    ) == 0x00000068, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, PIPEMAXP   ) == 0x0000006C, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, PIPEPERI   ) == 0x0000006E, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, PIPE_CTR   ) == 0x00000070, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, PIPE_TR    ) == 0x00000090, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, USBBCCTRL0 ) == 0x000000B0, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, UCKSEL     ) == 0x000000C4, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, USBMC      ) == 0x000000CC, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, DEVADD     ) == 0x000000D0, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, PHYSLEW    ) == 0x000000F0, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, LPCTRL     ) == 0x00000100, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, LPSTS      ) == 0x00000102, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, BCCTRL     ) == 0x00000140, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, PL1CTRL1   ) == 0x00000144, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, PL1CTRL2   ) == 0x00000146, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, HL1CTRL1   ) == 0x00000148, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, HL1CTRL2   ) == 0x0000014A, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, DPUSR0R    ) == 0x00000160, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, DPUSR1R    ) == 0x00000164, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, DPUSR2R    ) == 0x00000168, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, DPUSRCR    ) == 0x0000016A, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, DPUSR0R_FS ) == 0x00000400, "incorrect offset");
+TU_VERIFY_STATIC(offsetof(RUSB2_REG_t, DPUSR1R_FS ) == 0x00000404, "incorrect offset");
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _TUSB_RUSB2_TYPE_H_ */
diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
index 0e78c796e..1677cfa12 100644
--- a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
+++ b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Nathan Conrad
@@ -6,6 +6,8 @@
  * Portions:
  * Copyright (c) 2016 STMicroelectronics
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
+ * Copyright (c) 2022 Simon Küppers (skuep)
+ * Copyright (c) 2022 HiFiPhile
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
@@ -64,10 +66,6 @@
  * - STALL handled, but not tested.
  *   - Does it work? No clue.
  * - All EP BTABLE buffers are created based on max packet size of first EP opened with that address.
- * - No isochronous endpoints
- * - Endpoint index is the ID of the endpoint
- *   - This means that priority is given to endpoints with lower ID numbers
- *   - Code is mixing up EP IX with EP ID. Everywhere.
  * - Packet buffer memory is copied in the interrupt.
  *   - This is better for performance, but means interrupts are disabled for longer
  *   - DMA may be the best choice, but it could also be pushed to the USBD task.
@@ -103,24 +101,15 @@
 
 #include "tusb_option.h"
 
-#if defined(STM32F102x6) || defined(STM32F102xB) || \
-    defined(STM32F103x6) || defined(STM32F103xB) || \
-    defined(STM32F103xE) || defined(STM32F103xG)
-#define STM32F1_FSDEV
-#endif
-
-#if CFG_TUD_ENABLED && \
-      ( TU_CHECK_MCU(OPT_MCU_STM32F0, OPT_MCU_STM32F3, OPT_MCU_STM32L0, OPT_MCU_STM32L1, OPT_MCU_STM32G4, OPT_MCU_STM32WB) || \
-        (TU_CHECK_MCU(OPT_MCU_STM32F1) && defined(STM32F1_FSDEV)) \
-      )
-
-// In order to reduce the dependance on HAL, we undefine this.
-// Some definitions are copied to our private include file.
-#undef USE_HAL_DRIVER
+#if CFG_TUD_ENABLED && defined(TUP_USBIP_FSDEV)
 
 #include "device/dcd.h"
-#include "portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h"
 
+#ifdef TUP_USBIP_FSDEV_STM32
+  // Undefine to reduce the dependence on HAL
+  #undef USE_HAL_DRIVER
+  #include "portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h"
+#endif
 
 /*****************************************************
  * Configuration
@@ -142,74 +131,99 @@
 #  define DCD_STM32_BTABLE_LENGTH (PMA_LENGTH - DCD_STM32_BTABLE_BASE)
 #endif
 
-// Since TinyUSB doesn't use SOF for now, and this interrupt too often (1ms interval)
-// We disable SOF for now until needed later on
-#ifndef USE_SOF
-#  define USE_SOF     0
-#endif
-
 /***************************************************
  * Checks, structs, defines, function definitions, etc.
  */
 
 TU_VERIFY_STATIC((MAX_EP_COUNT) <= STFSDEV_EP_COUNT, "Only 8 endpoints supported on the hardware");
-
-TU_VERIFY_STATIC(((DCD_STM32_BTABLE_BASE) + (DCD_STM32_BTABLE_LENGTH))<=(PMA_LENGTH),
-    "BTABLE does not fit in PMA RAM");
-
+TU_VERIFY_STATIC(((DCD_STM32_BTABLE_BASE) + (DCD_STM32_BTABLE_LENGTH))<=(PMA_LENGTH), "BTABLE does not fit in PMA RAM");
 TU_VERIFY_STATIC(((DCD_STM32_BTABLE_BASE) % 8) == 0, "BTABLE base must be aligned to 8 bytes");
 
+//--------------------------------------------------------------------+
+// MACRO CONSTANT TYPEDEF
+//--------------------------------------------------------------------+
+
 // One of these for every EP IN & OUT, uses a bit of RAM....
 typedef struct
 {
   uint8_t * buffer;
-  // tu_fifo_t * ff;  // TODO support dcd_edpt_xfer_fifo API
+  tu_fifo_t * ff;
   uint16_t total_len;
   uint16_t queued_len;
   uint16_t pma_ptr;
-  uint8_t max_packet_size;
-  uint8_t pma_alloc_size;
+  uint16_t max_packet_size;
+  uint16_t pma_alloc_size;
+  uint8_t ep_idx; // index for USB_EPnR register
 } xfer_ctl_t;
 
+// EP allocator
+typedef struct
+{
+  uint8_t ep_num;
+  uint8_t ep_type;
+  bool allocated[2];
+} ep_alloc_t;
+
 static xfer_ctl_t xfer_status[MAX_EP_COUNT][2];
 
-static inline xfer_ctl_t* xfer_ctl_ptr(uint32_t epnum, uint32_t dir)
-{
-  return &xfer_status[epnum][dir];
-}
+static ep_alloc_t ep_alloc_status[STFSDEV_EP_COUNT];
 
 static TU_ATTR_ALIGNED(4) uint32_t _setup_packet[6];
 
 static uint8_t remoteWakeCountdown; // When wake is requested
 
+//--------------------------------------------------------------------+
+// Prototypes
+//--------------------------------------------------------------------+
+
 // into the stack.
 static void dcd_handle_bus_reset(void);
 static void dcd_transmit_packet(xfer_ctl_t * xfer, uint16_t ep_ix);
 static void dcd_ep_ctr_handler(void);
 
-// PMA allocation/access 
+// PMA allocation/access
 static uint8_t open_ep_count;
 static uint16_t ep_buf_ptr; ///< Points to first free memory location
 static void dcd_pma_alloc_reset(void);
 static uint16_t dcd_pma_alloc(uint8_t ep_addr, size_t length);
 static void dcd_pma_free(uint8_t ep_addr);
+static void dcd_ep_free(uint8_t ep_addr);
+static uint8_t dcd_ep_alloc(uint8_t ep_addr, uint8_t ep_type);
 static bool dcd_write_packet_memory(uint16_t dst, const void *__restrict src, size_t wNBytes);
 static bool dcd_read_packet_memory(void *__restrict dst, uint16_t src, size_t wNBytes);
 
-//static bool dcd_write_packet_memory_ff(tu_fifo_t * ff, uint16_t dst, uint16_t wNBytes);
-//static bool dcd_read_packet_memory_ff(tu_fifo_t * ff, uint16_t src, uint16_t wNBytes);
+static bool dcd_write_packet_memory_ff(tu_fifo_t * ff, uint16_t dst, uint16_t wNBytes);
+static bool dcd_read_packet_memory_ff(tu_fifo_t * ff, uint16_t src, uint16_t wNBytes);
+
+//--------------------------------------------------------------------+
+// Inline helper
+//--------------------------------------------------------------------+
+
+TU_ATTR_ALWAYS_INLINE static inline xfer_ctl_t* xfer_ctl_ptr(uint32_t ep_addr)
+{
+  uint8_t epnum = tu_edpt_number(ep_addr);
+  uint8_t dir = tu_edpt_dir(ep_addr);
+  // Fix -Werror=null-dereference
+  TU_ASSERT(epnum < MAX_EP_COUNT, &xfer_status[0][0]);
+
+  return &xfer_status[epnum][dir];
+}
 
 // Using a function due to better type checks
 // This seems better than having to do type casts everywhere else
-static inline void reg16_clear_bits(__IO uint16_t *reg, uint16_t mask) {
+TU_ATTR_ALWAYS_INLINE static inline void reg16_clear_bits(__IO uint16_t *reg, uint16_t mask) {
   *reg = (uint16_t)(*reg & ~mask);
 }
 
 // Bits in ISTR are cleared upon writing 0
-static inline void clear_istr_bits(uint16_t mask) {
+TU_ATTR_ALWAYS_INLINE static inline void clear_istr_bits(uint16_t mask) {
   USB->ISTR = ~mask;
 }
 
+//--------------------------------------------------------------------+
+// Controller API
+//--------------------------------------------------------------------+
+
 void dcd_init (uint8_t rhport)
 {
   /* Clocks should already be enabled */
@@ -222,7 +236,7 @@ void dcd_init (uint8_t rhport)
   {
     asm("NOP");
   }
-	// Perform USB peripheral reset
+  // Perform USB peripheral reset
   USB->CNTR = USB_CNTR_FRES | USB_CNTR_PDWN;
   for(uint32_t i = 0; i<200; i++) // should be a few us
   {
@@ -235,7 +249,7 @@ void dcd_init (uint8_t rhport)
     asm("NOP");
   }
   USB->CNTR = 0; // Enable USB
-  
+
   USB->BTABLE = DCD_STM32_BTABLE_BASE;
 
   USB->ISTR = 0; // Clear pending interrupts
@@ -247,9 +261,9 @@ void dcd_init (uint8_t rhport)
     pcd_set_endpoint(USB,i,0u);
   }
 
-  USB->CNTR |= USB_CNTR_RESETM | (USE_SOF ? USB_CNTR_SOFM : 0) | USB_CNTR_ESOFM | USB_CNTR_CTRM | USB_CNTR_SUSPM | USB_CNTR_WKUPM;
+  USB->CNTR |= USB_CNTR_RESETM | USB_CNTR_ESOFM | USB_CNTR_CTRM | USB_CNTR_SUSPM | USB_CNTR_WKUPM;
   dcd_handle_bus_reset();
-  
+
   // Enable pull-up if supported
   if ( dcd_connect ) dcd_connect(rhport);
 }
@@ -292,7 +306,14 @@ void dcd_sof_enable(uint8_t rhport, bool en)
   (void) rhport;
   (void) en;
 
-  // TODO implement later
+  if (en)
+  {
+    USB->CNTR |= USB_CNTR_SOFM;
+  }
+  else
+  {
+    USB->CNTR &= (uint16_t) ~USB_CNTR_SOFM;
+  }
 }
 
 // Enable device interrupt
@@ -302,7 +323,8 @@ void dcd_int_enable (uint8_t rhport)
   // Member here forces write to RAM before allowing ISR to execute
   __DSB();
   __ISB();
-#if CFG_TUSB_MCU == OPT_MCU_STM32F0 || CFG_TUSB_MCU == OPT_MCU_STM32L0
+#if CFG_TUSB_MCU == OPT_MCU_STM32F0 || CFG_TUSB_MCU == OPT_MCU_STM32L0 || \
+    CFG_TUSB_MCU == OPT_MCU_STM32L4
   NVIC_EnableIRQ(USB_IRQn);
 
 #elif CFG_TUSB_MCU == OPT_MCU_STM32L1
@@ -350,7 +372,8 @@ void dcd_int_disable(uint8_t rhport)
 {
   (void)rhport;
 
-#if CFG_TUSB_MCU == OPT_MCU_STM32F0 || CFG_TUSB_MCU == OPT_MCU_STM32L0
+#if CFG_TUSB_MCU == OPT_MCU_STM32F0 || CFG_TUSB_MCU == OPT_MCU_STM32L0 || \
+    CFG_TUSB_MCU == OPT_MCU_STM32L4
   NVIC_DisableIRQ(USB_IRQn);
 #elif CFG_TUSB_MCU == OPT_MCU_STM32L1
   NVIC_DisableIRQ(USB_LP_IRQn);
@@ -400,7 +423,7 @@ void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
   (void) dev_addr;
 
   // Respond with status
-  dcd_edpt_xfer(rhport, tu_edpt_addr(0, TUSB_DIR_IN), NULL, 0);
+  dcd_edpt_xfer(rhport, TUSB_DIR_IN_MASK | 0x00, NULL, 0);
 
   // DCD can only set address after status for this request is complete.
   // do it at dcd_edpt0_status_complete()
@@ -441,10 +464,17 @@ static void dcd_handle_bus_reset(void)
   //__IO uint16_t * const epreg = &(EPREG(0));
   USB->DADDR = 0u; // disable USB peripheral by clearing the EF flag
 
-  // Clear all EPREG (or maybe this is automatic? I'm not sure)
+
   for(uint32_t i=0; i<STFSDEV_EP_COUNT; i++)
   {
+    // Clear all EPREG (or maybe this is automatic? I'm not sure)
     pcd_set_endpoint(USB,i,0u);
+
+    // Clear EP allocation status
+    ep_alloc_status[i].ep_num = 0xFF;
+    ep_alloc_status[i].ep_type = 0xFF;
+    ep_alloc_status[i].allocated[0] = false;
+    ep_alloc_status[i].allocated[1] = false;
   }
 
   dcd_pma_alloc_reset();
@@ -461,6 +491,7 @@ static void dcd_ep_ctr_tx_handler(uint32_t wIstr)
 {
   uint32_t EPindex = wIstr & USB_ISTR_EP_ID;
   uint32_t wEPRegVal = pcd_get_endpoint(USB, EPindex);
+  uint8_t ep_addr = (wEPRegVal & USB_EPADDR_FIELD) | TUSB_DIR_IN_MASK;
 
   // Verify the CTR_TX bit is set. This was in the ST Micro code,
   // but I'm not sure it's actually necessary?
@@ -472,14 +503,14 @@ static void dcd_ep_ctr_tx_handler(uint32_t wIstr)
   /* clear int flag */
   pcd_clear_tx_ep_ctr(USB, EPindex);
 
-  xfer_ctl_t * xfer = xfer_ctl_ptr(EPindex,TUSB_DIR_IN);
+  xfer_ctl_t * xfer = xfer_ctl_ptr(ep_addr);
   if((xfer->total_len != xfer->queued_len)) /* TX not complete */
   {
       dcd_transmit_packet(xfer, EPindex);
   }
   else /* TX Complete */
   {
-    dcd_event_xfer_complete(0, (uint8_t)(0x80 + EPindex), xfer->total_len, XFER_RESULT_SUCCESS, true);
+    dcd_event_xfer_complete(0, ep_addr, xfer->total_len, XFER_RESULT_SUCCESS, true);
   }
 }
 
@@ -490,9 +521,9 @@ static void dcd_ep_ctr_rx_handler(uint32_t wIstr)
 {
   uint32_t EPindex = wIstr & USB_ISTR_EP_ID;
   uint32_t wEPRegVal = pcd_get_endpoint(USB, EPindex);
-  uint32_t count = pcd_get_ep_rx_cnt(USB,EPindex);
+  uint8_t ep_addr = wEPRegVal & USB_EPADDR_FIELD;
 
-  xfer_ctl_t *xfer = xfer_ctl_ptr(EPindex,TUSB_DIR_OUT);
+  xfer_ctl_t *xfer = xfer_ctl_ptr(ep_addr);
 
   // Verify the CTR_RX bit is set. This was in the ST Micro code,
   // but I'm not sure it's actually necessary?
@@ -500,12 +531,13 @@ static void dcd_ep_ctr_rx_handler(uint32_t wIstr)
   {
     return;
   }
-  
-  if((EPindex == 0U) && ((wEPRegVal & USB_EP_SETUP) != 0U)) /* Setup packet */
+
+  if((ep_addr == 0U) && ((wEPRegVal & USB_EP_SETUP) != 0U)) /* Setup packet */
   {
     // The setup_received function uses memcpy, so this must first copy the setup data into
     // user memory, to allow for the 32-bit access that memcpy performs.
     uint8_t userMemBuf[8];
+    uint32_t count = pcd_get_ep_rx_cnt(USB, EPindex);
     /* Get SETUP Packet*/
     if(count == 8) // Setup packet should always be 8 bytes. If not, ignore it, and try again.
     {
@@ -518,23 +550,33 @@ static void dcd_ep_ctr_rx_handler(uint32_t wIstr)
   }
   else
   {
+    uint32_t count;
+    /* Read from correct register when ISOCHRONOUS (double buffered) */
+    if ( (wEPRegVal & USB_EP_DTOG_RX) && ( (wEPRegVal & USB_EP_TYPE_MASK) == USB_EP_ISOCHRONOUS) ) {
+      count = pcd_get_ep_tx_cnt(USB, EPindex);
+    } else {
+      count = pcd_get_ep_rx_cnt(USB, EPindex);
+    }
+
+    TU_ASSERT(count <= xfer->max_packet_size, /**/);
+
     // Clear RX CTR interrupt flag
-    if(EPindex != 0u)
+    if(ep_addr != 0u)
     {
       pcd_clear_rx_ep_ctr(USB, EPindex);
     }
 
     if (count != 0U)
     {
-#if 0 // TODO support dcd_edpt_xfer_fifo API
+      uint16_t addr = *pcd_ep_rx_address_ptr(USB, EPindex);
+
       if (xfer->ff)
       {
-        dcd_read_packet_memory_ff(xfer->ff, *pcd_ep_rx_address_ptr(USB,EPindex), count);
+        dcd_read_packet_memory_ff(xfer->ff, addr, count);
       }
       else
-#endif
       {
-        dcd_read_packet_memory(&(xfer->buffer[xfer->queued_len]), *pcd_ep_rx_address_ptr(USB,EPindex), count);
+        dcd_read_packet_memory(&(xfer->buffer[xfer->queued_len]), addr, count);
       }
 
       xfer->queued_len = (uint16_t)(xfer->queued_len + count);
@@ -543,7 +585,7 @@ static void dcd_ep_ctr_rx_handler(uint32_t wIstr)
     if ((count < xfer->max_packet_size) || (xfer->queued_len == xfer->total_len))
     {
       /* RX COMPLETE */
-      dcd_event_xfer_complete(0, EPindex, xfer->queued_len, XFER_RESULT_SUCCESS, true);
+      dcd_event_xfer_complete(0, ep_addr, xfer->queued_len, XFER_RESULT_SUCCESS, true);
       // Though the host could still send, we don't know.
       // Does the bulk pipe need to be reset to valid to allow for a ZLP?
     }
@@ -551,21 +593,26 @@ static void dcd_ep_ctr_rx_handler(uint32_t wIstr)
     {
       uint32_t remaining = (uint32_t)xfer->total_len - (uint32_t)xfer->queued_len;
       if(remaining >= xfer->max_packet_size) {
-        pcd_set_ep_rx_cnt(USB, EPindex,xfer->max_packet_size);
+        pcd_set_ep_rx_bufsize(USB, EPindex,xfer->max_packet_size);
       } else {
-        pcd_set_ep_rx_cnt(USB, EPindex,remaining);
+        pcd_set_ep_rx_bufsize(USB, EPindex,remaining);
+      }
+
+      if (!((wEPRegVal & USB_EP_TYPE_MASK) == USB_EP_ISOCHRONOUS)) {
+        /* Set endpoint active again for receiving more data.
+         * Note that isochronous endpoints stay active always */
+        pcd_set_ep_rx_status(USB, EPindex, USB_EP_RX_VALID);
       }
-      pcd_set_ep_rx_status(USB, EPindex, USB_EP_RX_VALID);
     }
   }
 
   // For EP0, prepare to receive another SETUP packet.
   // Clear CTR last so that a new packet does not overwrite the packing being read.
   // (Based on the docs, it seems SETUP will always be accepted after CTR is cleared)
-  if(EPindex == 0u)
+  if(ep_addr == 0u)
   {
       // Always be prepared for a status packet...
-    pcd_set_ep_rx_cnt(USB, EPindex, CFG_TUD_ENDPOINT0_SIZE);
+    pcd_set_ep_rx_bufsize(USB, EPindex, CFG_TUD_ENDPOINT0_SIZE);
     pcd_clear_rx_ep_ctr(USB, EPindex);
   }
 }
@@ -602,6 +649,12 @@ void dcd_int_handler(uint8_t rhport) {
   // dcd_ep_ctr_handler(), so less need to loop here. The other interrupts shouldn't
   // be triggered repeatedly.
 
+  /* Put SOF flag at the beginning of ISR in case to get least amount of jitter if it is used for timing purposes */
+  if(int_status & USB_ISTR_SOF) {
+    clear_istr_bits(USB_ISTR_SOF);
+    dcd_event_sof(0, USB->FNR & USB_FNR_FN, true);
+  }
+
   if(int_status & USB_ISTR_RESET) {
     // USBRST is start of reset.
     clear_istr_bits(USB_ISTR_RESET);
@@ -639,13 +692,6 @@ void dcd_int_handler(uint8_t rhport) {
     dcd_event_bus_signal(0, DCD_EVENT_SUSPEND, true);
   }
 
-#if USE_SOF
-  if(int_status & USB_ISTR_SOF) {
-    clear_istr_bits(USB_ISTR_SOF);
-    dcd_event_bus_signal(0, DCD_EVENT_SOF, true);
-  }
-#endif 
-
   if(int_status & USB_ISTR_ESOF) {
     if(remoteWakeCountdown == 1u)
     {
@@ -683,31 +729,30 @@ void dcd_edpt0_status_complete(uint8_t rhport, tusb_control_request_t const * re
 
 static void dcd_pma_alloc_reset(void)
 {
+  open_ep_count = 0;
   ep_buf_ptr = DCD_STM32_BTABLE_BASE + 8*MAX_EP_COUNT; // 8 bytes per endpoint (two TX and two RX words, each)
   //TU_LOG2("dcd_pma_alloc_reset()\r\n");
   for(uint32_t i=0; i<MAX_EP_COUNT; i++)
   {
-    xfer_ctl_ptr(i,TUSB_DIR_OUT)->pma_alloc_size = 0U;
-    xfer_ctl_ptr(i,TUSB_DIR_IN)->pma_alloc_size = 0U;
-    xfer_ctl_ptr(i,TUSB_DIR_OUT)->pma_ptr = 0U;
-    xfer_ctl_ptr(i,TUSB_DIR_IN)->pma_ptr = 0U;
+    xfer_ctl_ptr(tu_edpt_addr(i,TUSB_DIR_OUT))->pma_alloc_size = 0U;
+    xfer_ctl_ptr(tu_edpt_addr(i,TUSB_DIR_IN))->pma_alloc_size = 0U;
+    xfer_ctl_ptr(tu_edpt_addr(i,TUSB_DIR_OUT))->pma_ptr = 0U;
+    xfer_ctl_ptr(tu_edpt_addr(i,TUSB_DIR_IN))->pma_ptr = 0U;
   }
 }
 
 /***
  * Allocate a section of PMA
- * 
+ *
  * If the EP number has already been allocated, and the new allocation
  * is larger than the old allocation, then this will fail with a TU_ASSERT.
  * (This is done to simplify the code. More complicated algorithms could be used)
- * 
+ *
  * During failure, TU_ASSERT is used. If this happens, rework/reallocate memory manually.
  */
 static uint16_t dcd_pma_alloc(uint8_t ep_addr, size_t length)
 {
-  uint8_t const epnum = tu_edpt_number(ep_addr);
-  uint8_t const dir   = tu_edpt_dir(ep_addr);
-  xfer_ctl_t* epXferCtl = xfer_ctl_ptr(epnum,dir);
+  xfer_ctl_t* epXferCtl = xfer_ctl_ptr(ep_addr);
 
   if(epXferCtl->pma_alloc_size != 0U)
   {
@@ -716,13 +761,15 @@ static uint16_t dcd_pma_alloc(uint8_t ep_addr, size_t length)
     TU_ASSERT(length <= epXferCtl->pma_alloc_size, 0xFFFF);  // Verify no larger than previous alloc
     return epXferCtl->pma_ptr;
   }
-  
-  uint16_t addr = ep_buf_ptr; 
+
+  open_ep_count++;
+
+  uint16_t addr = ep_buf_ptr;
   ep_buf_ptr = (uint16_t)(ep_buf_ptr + length); // increment buffer pointer
-  
+
   // Verify no overflow
   TU_ASSERT(ep_buf_ptr <= PMA_LENGTH, 0xFFFF);
-  
+
   epXferCtl->pma_ptr = addr;
   epXferCtl->pma_alloc_size = length;
   //TU_LOG2("dcd_pma_alloc(%x,%x)=%x\r\n",ep_addr,length,addr);
@@ -735,12 +782,9 @@ static uint16_t dcd_pma_alloc(uint8_t ep_addr, size_t length)
  */
 static void dcd_pma_free(uint8_t ep_addr)
 {
-  uint8_t const epnum = tu_edpt_number(ep_addr);
-  uint8_t const dir   = tu_edpt_dir(ep_addr);
-
   // Presently, this should never be called for EP0 IN/OUT
   TU_ASSERT(open_ep_count > 2, /**/);
-  TU_ASSERT(xfer_ctl_ptr(epnum,dir)->max_packet_size != 0, /**/);
+  TU_ASSERT(xfer_ctl_ptr(ep_addr)->max_packet_size != 0, /**/);
   open_ep_count--;
 
   // If count is 2, only EP0 should be open, so allocations can be mostly reset.
@@ -752,10 +796,83 @@ static void dcd_pma_free(uint8_t ep_addr)
     // Skip EP0
     for(uint32_t i=1; i<MAX_EP_COUNT; i++)
     {
-      xfer_ctl_ptr(i,TUSB_DIR_OUT)->pma_alloc_size = 0U;
-      xfer_ctl_ptr(i,TUSB_DIR_IN)->pma_alloc_size = 0U;
-      xfer_ctl_ptr(i,TUSB_DIR_OUT)->pma_ptr = 0U;
-      xfer_ctl_ptr(i,TUSB_DIR_IN)->pma_ptr = 0U;
+      xfer_ctl_ptr(tu_edpt_addr(i,TUSB_DIR_OUT))->pma_alloc_size = 0U;
+      xfer_ctl_ptr(tu_edpt_addr(i,TUSB_DIR_IN))->pma_alloc_size = 0U;
+      xfer_ctl_ptr(tu_edpt_addr(i,TUSB_DIR_OUT))->pma_ptr = 0U;
+      xfer_ctl_ptr(tu_edpt_addr(i,TUSB_DIR_IN))->pma_ptr = 0U;
+    }
+  }
+}
+
+/***
+ * Allocate hardware endpoint
+ */
+static uint8_t dcd_ep_alloc(uint8_t ep_addr, uint8_t ep_type)
+{
+  uint8_t const epnum = tu_edpt_number(ep_addr);
+  uint8_t const dir   = tu_edpt_dir(ep_addr);
+
+  for(uint8_t i = 0; i < STFSDEV_EP_COUNT; i++)
+  {
+    // Check if already allocated
+    if(ep_alloc_status[i].allocated[dir] &&
+       ep_alloc_status[i].ep_type == ep_type &&
+       ep_alloc_status[i].ep_num == epnum)
+    {
+      return i;
+    }
+
+    // If EP of current direction is not allocated
+    // Except for ISO endpoint, both direction should be free
+    if(!ep_alloc_status[i].allocated[dir] &&
+       (ep_type != TUSB_XFER_ISOCHRONOUS || !ep_alloc_status[i].allocated[dir ^ 1]))
+    {
+      // Check if EP number is the same
+      if(ep_alloc_status[i].ep_num == 0xFF ||
+         ep_alloc_status[i].ep_num == epnum)
+      {
+        // One EP pair has to be the same type
+        if(ep_alloc_status[i].ep_type == 0xFF ||
+           ep_alloc_status[i].ep_type == ep_type)
+        {
+          ep_alloc_status[i].ep_num = epnum;
+          ep_alloc_status[i].ep_type = ep_type;
+          ep_alloc_status[i].allocated[dir] = true;
+
+          return i;
+        }
+      }
+    }
+  }
+
+  // Allocation failed
+  TU_ASSERT(0);
+}
+
+/***
+ * Free hardware endpoint
+ */
+static void dcd_ep_free(uint8_t ep_addr)
+{
+  uint8_t const epnum = tu_edpt_number(ep_addr);
+  uint8_t const dir   = tu_edpt_dir(ep_addr);
+
+  for(uint8_t i = 0; i < STFSDEV_EP_COUNT; i++)
+  {
+    // Check if EP number & dir are the same
+    if(ep_alloc_status[i].ep_num == epnum &&
+       ep_alloc_status[i].allocated[dir] == dir)
+    {
+      ep_alloc_status[i].allocated[dir] = false;
+      // Reset entry if ISO endpoint or both direction are free
+      if(ep_alloc_status[i].ep_type == TUSB_XFER_ISOCHRONOUS ||
+         !ep_alloc_status[i].allocated[dir ^ 1])
+      {
+        ep_alloc_status[i].ep_num = 0xFF;
+        ep_alloc_status[i].ep_type = 0xFF;
+
+        return;
+      }
     }
   }
 }
@@ -766,27 +883,24 @@ static void dcd_pma_free(uint8_t ep_addr)
 bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc)
 {
   (void)rhport;
-  uint8_t const epnum = tu_edpt_number(p_endpoint_desc->bEndpointAddress);
+  uint8_t const ep_idx = dcd_ep_alloc(p_endpoint_desc->bEndpointAddress, p_endpoint_desc->bmAttributes.xfer);
   uint8_t const dir   = tu_edpt_dir(p_endpoint_desc->bEndpointAddress);
-  const uint16_t epMaxPktSize = tu_edpt_packet_size(p_endpoint_desc);
+  const uint16_t packet_size = tu_edpt_packet_size(p_endpoint_desc);
+  const uint16_t buffer_size = pcd_aligned_buffer_size(packet_size);
   uint16_t pma_addr;
   uint32_t wType;
-  
-  // Isochronous not supported (yet), and some other driver assumptions.
-  TU_ASSERT(p_endpoint_desc->bmAttributes.xfer != TUSB_XFER_ISOCHRONOUS);
-  TU_ASSERT(epnum < MAX_EP_COUNT);
+
+  TU_ASSERT(ep_idx < STFSDEV_EP_COUNT);
+  TU_ASSERT(buffer_size <= 1024);
 
   // Set type
   switch(p_endpoint_desc->bmAttributes.xfer) {
   case TUSB_XFER_CONTROL:
     wType = USB_EP_CONTROL;
     break;
-#if (0)
-  case TUSB_XFER_ISOCHRONOUS: // FIXME: Not yet supported
+  case TUSB_XFER_ISOCHRONOUS:
     wType = USB_EP_ISOCHRONOUS;
     break;
-#endif
-
   case TUSB_XFER_BULK:
     wType = USB_EP_CONTROL;
     break;
@@ -799,30 +913,49 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * p_endpoint_desc
     TU_ASSERT(false);
   }
 
-  pcd_set_eptype(USB, epnum, wType);
-  pcd_set_ep_address(USB, epnum, epnum);
+  pcd_set_eptype(USB, ep_idx, wType);
+  pcd_set_ep_address(USB, ep_idx, tu_edpt_number(p_endpoint_desc->bEndpointAddress));
   // Be normal, for now, instead of only accepting zero-byte packets (on control endpoint)
   // or being double-buffered (bulk endpoints)
   pcd_clear_ep_kind(USB,0);
 
-  pma_addr = dcd_pma_alloc(p_endpoint_desc->bEndpointAddress, epMaxPktSize);
+  /* Create a packet memory buffer area. For isochronous endpoints,
+   * use the same buffer as the double buffer, essentially disabling double buffering */
+  pma_addr = dcd_pma_alloc(p_endpoint_desc->bEndpointAddress, buffer_size);
 
-  if(dir == TUSB_DIR_IN)
+  if( (dir == TUSB_DIR_IN) || (wType == USB_EP_ISOCHRONOUS) )
   {
-    *pcd_ep_tx_address_ptr(USB, epnum) = pma_addr;
-    pcd_set_ep_tx_cnt(USB, epnum, epMaxPktSize);
-    pcd_clear_tx_dtog(USB, epnum);
-    pcd_set_ep_tx_status(USB,epnum,USB_EP_TX_NAK);
+    *pcd_ep_tx_address_ptr(USB, ep_idx) = pma_addr;
+    pcd_set_ep_tx_bufsize(USB, ep_idx, buffer_size);
+    pcd_clear_tx_dtog(USB, ep_idx);
   }
-  else
+
+  if( (dir == TUSB_DIR_OUT) || (wType == USB_EP_ISOCHRONOUS) )
   {
-    *pcd_ep_rx_address_ptr(USB, epnum) = pma_addr;
-    pcd_set_ep_rx_cnt(USB, epnum, epMaxPktSize);
-    pcd_clear_rx_dtog(USB, epnum);
-    pcd_set_ep_rx_status(USB, epnum, USB_EP_RX_NAK);
+    *pcd_ep_rx_address_ptr(USB, ep_idx) = pma_addr;
+    pcd_set_ep_rx_bufsize(USB, ep_idx, buffer_size);
+    pcd_clear_rx_dtog(USB, ep_idx);
   }
 
-  xfer_ctl_ptr(epnum, dir)->max_packet_size = epMaxPktSize;
+  /* Enable endpoint */
+  if (dir == TUSB_DIR_IN)
+  {
+    if(wType == USB_EP_ISOCHRONOUS) {
+      pcd_set_ep_tx_status(USB, ep_idx, USB_EP_TX_DIS);
+    } else {
+      pcd_set_ep_tx_status(USB, ep_idx, USB_EP_TX_NAK);
+    }
+  } else
+  {
+    if(wType == USB_EP_ISOCHRONOUS) {
+      pcd_set_ep_rx_status(USB, ep_idx, USB_EP_RX_DIS);
+    } else {
+      pcd_set_ep_rx_status(USB, ep_idx, USB_EP_RX_NAK);
+    }
+  }
+
+  xfer_ctl_ptr(p_endpoint_desc->bEndpointAddress)->max_packet_size = packet_size;
+  xfer_ctl_ptr(p_endpoint_desc->bEndpointAddress)->ep_idx = ep_idx;
 
   return true;
 }
@@ -835,29 +968,89 @@ void dcd_edpt_close_all (uint8_t rhport)
 
 /**
  * Close an endpoint.
- * 
+ *
  * This function may be called with interrupts enabled or disabled.
- * 
+ *
  * This also clears transfers in progress, should there be any.
  */
 void dcd_edpt_close (uint8_t rhport, uint8_t ep_addr)
 {
   (void)rhport;
-  uint32_t const epnum = tu_edpt_number(ep_addr);
-  uint32_t const dir   = tu_edpt_dir(ep_addr);
-  
+
+  xfer_ctl_t * xfer = xfer_ctl_ptr(ep_addr);
+  uint8_t const ep_idx = xfer->ep_idx;
+  uint8_t const dir    = tu_edpt_dir(ep_addr);
+
   if(dir == TUSB_DIR_IN)
   {
-    pcd_set_ep_tx_status(USB,epnum,USB_EP_TX_DIS);
+    pcd_set_ep_tx_status(USB, ep_idx, USB_EP_TX_DIS);
   }
   else
   {
-    pcd_set_ep_rx_status(USB, epnum, USB_EP_RX_DIS);
+    pcd_set_ep_rx_status(USB, ep_idx, USB_EP_RX_DIS);
   }
 
+  dcd_ep_free(ep_addr);
+
   dcd_pma_free(ep_addr);
 }
 
+bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size)
+{
+  (void)rhport;
+
+  TU_ASSERT(largest_packet_size <= 1024);
+
+  uint8_t const ep_idx = dcd_ep_alloc(ep_addr, TUSB_XFER_ISOCHRONOUS);
+  const uint16_t buffer_size = pcd_aligned_buffer_size(largest_packet_size);
+
+  /* Create a packet memory buffer area. For isochronous endpoints,
+   * use the same buffer as the double buffer, essentially disabling double buffering */
+  uint16_t pma_addr = dcd_pma_alloc(ep_addr, buffer_size);
+
+  xfer_ctl_ptr(ep_addr)->ep_idx = ep_idx;
+
+  pcd_set_eptype(USB, ep_idx, USB_EP_ISOCHRONOUS);
+
+  *pcd_ep_tx_address_ptr(USB, ep_idx) = pma_addr;
+  *pcd_ep_rx_address_ptr(USB, ep_idx) = pma_addr;
+
+  return true;
+}
+
+bool dcd_edpt_iso_activate(uint8_t rhport,  tusb_desc_endpoint_t const * p_endpoint_desc)
+{
+  (void)rhport;
+  uint8_t const ep_idx = xfer_ctl_ptr(p_endpoint_desc->bEndpointAddress)->ep_idx;
+  uint8_t const dir    = tu_edpt_dir(p_endpoint_desc->bEndpointAddress);
+  const uint16_t packet_size = tu_edpt_packet_size(p_endpoint_desc);
+  const uint16_t buffer_size = pcd_aligned_buffer_size(packet_size);
+
+  /* Disable endpoint */
+  if(dir == TUSB_DIR_IN)
+  {
+    pcd_set_ep_tx_status(USB, ep_idx, USB_EP_TX_DIS);
+  }
+  else
+  {
+    pcd_set_ep_rx_status(USB, ep_idx, USB_EP_RX_DIS);
+  }
+
+  pcd_set_ep_address(USB, ep_idx, tu_edpt_number(p_endpoint_desc->bEndpointAddress));
+  // Be normal, for now, instead of only accepting zero-byte packets (on control endpoint)
+  // or being double-buffered (bulk endpoints)
+  pcd_clear_ep_kind(USB,0);
+
+  pcd_set_ep_tx_bufsize(USB, ep_idx, buffer_size);
+  pcd_set_ep_rx_bufsize(USB, ep_idx, buffer_size);
+  pcd_clear_tx_dtog(USB, ep_idx);
+  pcd_clear_rx_dtog(USB, ep_idx);
+
+  xfer_ctl_ptr(p_endpoint_desc->bEndpointAddress)->max_packet_size = packet_size;
+
+  return true;
+}
+
 // Currently, single-buffered, and only 64 bytes at a time (max)
 
 static void dcd_transmit_packet(xfer_ctl_t * xfer, uint16_t ep_ix)
@@ -868,21 +1061,27 @@ static void dcd_transmit_packet(xfer_ctl_t * xfer, uint16_t ep_ix)
   {
     len = xfer->max_packet_size;
   }
-  uint16_t oldAddr = *pcd_ep_tx_address_ptr(USB,ep_ix);
 
-#if 0 // TODO support dcd_edpt_xfer_fifo API
+  uint16_t ep_reg = pcd_get_endpoint(USB, ep_ix);
+  uint16_t addr_ptr = *pcd_ep_tx_address_ptr(USB,ep_ix);
+
   if (xfer->ff)
   {
-    dcd_write_packet_memory_ff(xfer->ff, oldAddr, len);
+    dcd_write_packet_memory_ff(xfer->ff, addr_ptr, len);
   }
   else
-#endif
   {
-    dcd_write_packet_memory(oldAddr, &(xfer->buffer[xfer->queued_len]), len);
+    dcd_write_packet_memory(addr_ptr, &(xfer->buffer[xfer->queued_len]), len);
   }
   xfer->queued_len = (uint16_t)(xfer->queued_len + len);
 
-  pcd_set_ep_tx_cnt(USB,ep_ix,len);
+  /* Write into correct register when ISOCHRONOUS (double buffered) */
+  if ( (ep_reg & USB_EP_DTOG_TX) && ( (ep_reg & USB_EP_TYPE_MASK) == USB_EP_ISOCHRONOUS) ) {
+    pcd_set_ep_rx_cnt(USB, ep_ix, len);
+  } else {
+    pcd_set_ep_tx_cnt(USB, ep_ix, len);
+  }
+
   pcd_set_ep_tx_status(USB, ep_ix, USB_EP_TX_VALID);
 }
 
@@ -890,13 +1089,12 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
 {
   (void) rhport;
 
-  uint8_t const epnum = tu_edpt_number(ep_addr);
-  uint8_t const dir   = tu_edpt_dir(ep_addr);
-
-  xfer_ctl_t * xfer = xfer_ctl_ptr(epnum,dir);
+  xfer_ctl_t * xfer = xfer_ctl_ptr(ep_addr);
+  uint8_t const ep_idx = xfer->ep_idx;
+  uint8_t const dir    = tu_edpt_dir(ep_addr);
 
   xfer->buffer = buffer;
-  // xfer->ff     = NULL; // TODO support dcd_edpt_xfer_fifo API
+  xfer->ff     = NULL;
   xfer->total_len = total_bytes;
   xfer->queued_len = 0;
 
@@ -904,37 +1102,36 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
   {
     // A setup token can occur immediately after an OUT STATUS packet so make sure we have a valid
     // buffer for the control endpoint.
-    if (epnum == 0 && buffer == NULL)
+    if (ep_idx == 0 && buffer == NULL)
     {
         xfer->buffer = (uint8_t*)_setup_packet;
     }
+
     if(total_bytes > xfer->max_packet_size)
     {
-      pcd_set_ep_rx_cnt(USB,epnum,xfer->max_packet_size);
+      pcd_set_ep_rx_bufsize(USB,ep_idx,xfer->max_packet_size);
     } else {
-      pcd_set_ep_rx_cnt(USB,epnum,total_bytes);
+      pcd_set_ep_rx_bufsize(USB,ep_idx,total_bytes);
     }
-    pcd_set_ep_rx_status(USB, epnum, USB_EP_RX_VALID);
+    pcd_set_ep_rx_status(USB, ep_idx, USB_EP_RX_VALID);
   }
   else // IN
   {
-    dcd_transmit_packet(xfer,epnum);
+    dcd_transmit_packet(xfer,ep_idx);
   }
   return true;
 }
 
-#if 0 // TODO support dcd_edpt_xfer_fifo API
 bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16_t total_bytes)
 {
   (void) rhport;
 
-  uint8_t const epnum = tu_edpt_number(ep_addr);
+  xfer_ctl_t * xfer = xfer_ctl_ptr(ep_addr);
+  uint8_t const epnum = xfer->ep_idx;
   uint8_t const dir   = tu_edpt_dir(ep_addr);
 
-  xfer_ctl_t * xfer = xfer_ctl_ptr(epnum,dir);
-
   xfer->buffer = NULL;
-  // xfer->ff     = ff; // TODO support dcd_edpt_xfer_fifo API
+  xfer->ff     = ff;
   xfer->total_len = total_bytes;
   xfer->queued_len = 0;
 
@@ -942,9 +1139,9 @@ bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16
   {
     if(total_bytes > xfer->max_packet_size)
     {
-      pcd_set_ep_rx_cnt(USB,epnum,xfer->max_packet_size);
+      pcd_set_ep_rx_bufsize(USB,epnum,xfer->max_packet_size);
     } else {
-      pcd_set_ep_rx_cnt(USB,epnum,total_bytes);
+      pcd_set_ep_rx_bufsize(USB,epnum,total_bytes);
     }
     pcd_set_ep_rx_status(USB, epnum, USB_EP_RX_VALID);
   }
@@ -954,19 +1151,22 @@ bool dcd_edpt_xfer_fifo (uint8_t rhport, uint8_t ep_addr, tu_fifo_t * ff, uint16
   }
   return true;
 }
-#endif
 
 void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr)
 {
   (void)rhport;
 
-  if (ep_addr & 0x80)
+  xfer_ctl_t * xfer = xfer_ctl_ptr(ep_addr);
+  uint8_t const ep_idx = xfer->ep_idx;
+  uint8_t const dir    = tu_edpt_dir(ep_addr);
+
+  if (dir == TUSB_DIR_IN)
   { // IN
-    pcd_set_ep_tx_status(USB, ep_addr & 0x7F, USB_EP_TX_STALL);
+    pcd_set_ep_tx_status(USB, ep_idx, USB_EP_TX_STALL);
   }
   else
   { // OUT
-    pcd_set_ep_rx_status(USB, ep_addr, USB_EP_RX_STALL);
+    pcd_set_ep_rx_status(USB, ep_idx, USB_EP_RX_STALL);
   }
 }
 
@@ -974,21 +1174,26 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
 {
   (void)rhport;
 
-  if (ep_addr & 0x80)
-  { // IN
-    ep_addr &= 0x7F;
+  xfer_ctl_t * xfer = xfer_ctl_ptr(ep_addr);
+  uint8_t const ep_idx = xfer->ep_idx;
+  uint8_t const dir    = tu_edpt_dir(ep_addr);
 
-    pcd_set_ep_tx_status(USB,ep_addr, USB_EP_TX_NAK);
+  if (dir == TUSB_DIR_IN)
+  { // IN
+    if (pcd_get_eptype(USB, ep_idx) !=  USB_EP_ISOCHRONOUS) {
+      pcd_set_ep_tx_status(USB, ep_idx, USB_EP_TX_NAK);
+    }
 
     /* Reset to DATA0 if clearing stall condition. */
-    pcd_clear_tx_dtog(USB,ep_addr);
+    pcd_clear_tx_dtog(USB, ep_idx);
   }
   else
   { // OUT
+    if (pcd_get_eptype(USB, ep_idx) !=  USB_EP_ISOCHRONOUS) {
+      pcd_set_ep_rx_status(USB, ep_idx, USB_EP_RX_NAK);
+    }
     /* Reset to DATA0 if clearing stall condition. */
-    pcd_clear_rx_dtog(USB,ep_addr);
-
-    pcd_set_ep_rx_status(USB,ep_addr, USB_EP_RX_NAK);
+    pcd_clear_rx_dtog(USB, ep_idx);
   }
 }
 
@@ -1005,8 +1210,7 @@ void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
   */
 static bool dcd_write_packet_memory(uint16_t dst, const void *__restrict src, size_t wNBytes)
 {
-  uint32_t n =  ((uint32_t)wNBytes + 1U) >> 1U;
-  uint32_t i;
+  uint32_t n = (uint32_t)wNBytes >> 1U;
   uint16_t temp1, temp2;
   const uint8_t * srcVal;
 
@@ -1017,64 +1221,74 @@ static bool dcd_write_packet_memory(uint16_t dst, const void *__restrict src, si
   srcVal = src;
   pdwVal = &pma[PMA_STRIDE*(dst>>1)];
 
-  for (i = n; i != 0; i--)
+  while (n--)
   {
-    temp1 = (uint16_t) *srcVal;
+    temp1 = (uint16_t)*srcVal;
     srcVal++;
-    temp2 = temp1 | ((uint16_t)((uint16_t) ((*srcVal) << 8U))) ;
+    temp2 = temp1 | ((uint16_t)(((uint16_t)(*srcVal)) << 8U)) ;
     *pdwVal = temp2;
     pdwVal += PMA_STRIDE;
     srcVal++;
   }
+
+  if (wNBytes & 0x01)
+  {
+    temp1 = *srcVal;
+    *pdwVal = temp1;
+  }
+
   return true;
 }
 
-#if 0 // TODO support dcd_edpt_xfer_fifo API
 /**
   * @brief Copy from FIFO to packet memory area (PMA).
   *        Uses byte-access of system memory and 16-bit access of packet memory
   * @param   wNBytes no. of bytes to be copied.
   * @retval None
   */
-
-// THIS FUNCTION IS UNTESTED
-
 static bool dcd_write_packet_memory_ff(tu_fifo_t * ff, uint16_t dst, uint16_t wNBytes)
 {
   // Since we copy from a ring buffer FIFO, a wrap might occur making it necessary to conduct two copies
-  // Check for first linear part
-  void * src;
-  uint16_t len = tu_fifo_get_linear_read_info(ff, 0, &src, wNBytes);  // We want to read from the FIFO        - THIS FUNCTION CHANGED!!!
-  TU_VERIFY(len && dcd_write_packet_memory(dst, src, len));           // and write it into the PMA
-  tu_fifo_advance_read_pointer(ff, len);
+  tu_fifo_buffer_info_t info;
+  tu_fifo_get_read_info(ff, &info);
 
-  // Check for wrapped part
-  if (len < wNBytes)
+  uint16_t cnt_lin =  TU_MIN(wNBytes, info.len_lin);
+  uint16_t cnt_wrap = TU_MIN(wNBytes - cnt_lin, info.len_wrap);
+
+  // We want to read from the FIFO and write it into the PMA, if LIN part is ODD and has WRAPPED part,
+  // last lin byte will be combined with wrapped part
+  // To ensure PMA is always access 16bit aligned (dst aligned to 16 bit)
+  if((cnt_lin & 0x01) && cnt_wrap)
   {
-    // Get remaining wrapped length
-    uint16_t len2 = tu_fifo_get_linear_read_info(ff, 0, &src, wNBytes - len);
-    TU_VERIFY(len2);
+    // Copy first linear part
+    dcd_write_packet_memory(dst, info.ptr_lin, cnt_lin &~0x01);
+    dst += cnt_lin &~0x01;
 
-    // Update destination pointer
-    dst += len;
+    // Copy last linear byte & first wrapped byte
+    uint16_t tmp = ((uint8_t*)info.ptr_lin)[cnt_lin - 1] | ((uint16_t)(((uint8_t*)info.ptr_wrap)[0]) << 8U);
+    dcd_write_packet_memory(dst, &tmp, 2);
+    dst += 2;
 
-    // Since PMA is accessed 16-bit wise we need to handle the case when a 16 bit value was split
-    if (len % 2)    // If len is uneven there is a byte left to copy
+    // Copy rest of wrapped byte
+    dcd_write_packet_memory(dst, ((uint8_t*)info.ptr_wrap) + 1, cnt_wrap - 1);
+  }
+  else
+  {
+    // Copy linear part
+    dcd_write_packet_memory(dst, info.ptr_lin, cnt_lin);
+    dst += info.len_lin;
+
+    if(info.len_wrap)
     {
-      // Since PMA can accessed only 16 bit-wise we copy the last byte again
-      tu_fifo_backward_read_pointer(ff, 1);                 // Move one byte back and copy two bytes for the PMA
-      tu_fifo_read_n(ff, (void *) &pma[PMA_STRIDE*(dst>>1)], 2);     // Since EP FIFOs must be of item size 1 this is safe to do
-      dst++;
-      len2--;
+      // Copy wrapped byte
+      dcd_write_packet_memory(dst, info.ptr_wrap, cnt_wrap);
     }
-
-    TU_VERIFY(dcd_write_packet_memory(dst, src, len2));
-    tu_fifo_advance_write_pointer(ff, len2);
   }
 
+  tu_fifo_advance_read_pointer(ff, cnt_lin + cnt_wrap);
+
   return true;
 }
-#endif
 
 /**
   * @brief Copy a buffer from packet memory area (PMA) to user memory area.
@@ -1085,7 +1299,6 @@ static bool dcd_write_packet_memory_ff(tu_fifo_t * ff, uint16_t dst, uint16_t wN
 static bool dcd_read_packet_memory(void *__restrict dst, uint16_t src, size_t wNBytes)
 {
   uint32_t n = (uint32_t)wNBytes >> 1U;
-  uint32_t i;
   // The GCC optimizer will combine access to 32-bit sizes if we let it. Force
   // it volatile so that it won't do that.
   __IO const uint16_t *pdwVal;
@@ -1094,7 +1307,7 @@ static bool dcd_read_packet_memory(void *__restrict dst, uint16_t src, size_t wN
   pdwVal = &pma[PMA_STRIDE*(src>>1)];
   uint8_t *dstVal = (uint8_t*)dst;
 
-  for (i = n; i != 0U; i--)
+  while (n--)
   {
     temp = *pdwVal;
     pdwVal += PMA_STRIDE;
@@ -1102,7 +1315,7 @@ static bool dcd_read_packet_memory(void *__restrict dst, uint16_t src, size_t wN
     *dstVal++ = ((temp >> 8) & 0xFF);
   }
 
-  if (wNBytes % 2)
+  if (wNBytes & 0x01)
   {
     temp = *pdwVal;
     pdwVal += PMA_STRIDE;
@@ -1111,52 +1324,58 @@ static bool dcd_read_packet_memory(void *__restrict dst, uint16_t src, size_t wN
   return true;
 }
 
-#if 0 // TODO support dcd_edpt_xfer_fifo API
 /**
   * @brief Copy a buffer from user packet memory area (PMA) to FIFO.
   *        Uses byte-access of system memory and 16-bit access of packet memory
   * @param   wNBytes no. of bytes to be copied.
   * @retval None
   */
-
-// THIS FUNCTION IS UNTESTED
-
 static bool dcd_read_packet_memory_ff(tu_fifo_t * ff, uint16_t src, uint16_t wNBytes)
 {
   // Since we copy into a ring buffer FIFO, a wrap might occur making it necessary to conduct two copies
   // Check for first linear part
-  void * dst;
-  uint16_t len = tu_fifo_get_linear_write_info(ff, 0, &dst, wNBytes);           // THIS FUNCTION CHANGED!!!!
-  TU_VERIFY(len && dcd_read_packet_memory(dst, src, len));
-  tu_fifo_advance_write_pointer(ff, len);
+  tu_fifo_buffer_info_t info;
+  tu_fifo_get_write_info(ff, &info);  // We want to read from the FIFO
+
+  uint16_t cnt_lin =  TU_MIN(wNBytes, info.len_lin);
+  uint16_t cnt_wrap = TU_MIN(wNBytes - cnt_lin, info.len_wrap);
 
-  // Check for wrapped part
-  if (len < wNBytes)
+  // We want to read from PMA and write it into the FIFO, if LIN part is ODD and has WRAPPED part,
+  // last lin byte will be combined with wrapped part
+  // To ensure PMA is always access 16bit aligned (src aligned to 16 bit)
+  if((cnt_lin & 0x01) && cnt_wrap)
   {
-    // Get remaining wrapped length
-    uint16_t len2 = tu_fifo_get_linear_write_info(ff, 0, &dst, wNBytes - len);
-    TU_VERIFY(len2);
+    // Copy first linear part
+    dcd_read_packet_memory(info.ptr_lin, src, cnt_lin &~0x01);
+    src += cnt_lin &~0x01;
+
+    // Copy last linear byte & first wrapped byte
+    uint16_t tmp;
+    dcd_read_packet_memory(&tmp, src, 2);
 
-    // Update source pointer
-    src += len;
+    ((uint8_t*)info.ptr_lin)[cnt_lin - 1] = (uint8_t)tmp;
+    ((uint8_t*)info.ptr_wrap)[0] = (uint8_t)(tmp >> 8U);
+    src += 2;
+
+    // Copy rest of wrapped byte
+    dcd_read_packet_memory(((uint8_t*)info.ptr_wrap) + 1, src, cnt_wrap - 1);
+  }
+  else
+  {
+    // Copy linear part
+    dcd_read_packet_memory(info.ptr_lin, src, cnt_lin);
+    src += cnt_lin;
 
-    // Since PMA is accessed 16-bit wise we need to handle the case when a 16 bit value was split
-    if (len % 2)    // If len is uneven there is a byte left to copy
+    if(info.len_wrap)
     {
-      uint32_t temp = pma[PMA_STRIDE*(src>>1)];
-      *((uint8_t *)dst++) = ((temp >> 8) & 0xFF);
-      src++;
-      len2--;
+      // Copy wrapped byte
+      dcd_read_packet_memory(info.ptr_wrap, src, cnt_wrap);
     }
-
-    TU_VERIFY(dcd_read_packet_memory(dst, src, len2));
-    tu_fifo_advance_write_pointer(ff, len2);
   }
 
+  tu_fifo_advance_write_pointer(ff, cnt_lin + cnt_wrap);
+
   return true;
 }
 
 #endif
-
-#endif
-
diff --git a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h
index bffae4500..015b177cf 100644
--- a/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h
+++ b/src/portable/st/stm32_fsdev/dcd_stm32_fsdev_pvt_st.h
@@ -1,12 +1,6 @@
 /**
-  ******************************************************************************
-  * @file    dcd_stm32f0_pvt_st.h
-  * @brief   DCD utilities from ST code
-  ******************************************************************************
-  * @attention
-  *
-  * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
-  * <h2><center>&copy; parts COPYRIGHT(c) N Conrad</center></h2>
+  * Copyright(c) 2016 STMicroelectronics
+  * Copyright(c) N Conrad
   *
   * Redistribution and use in source and binary forms, with or without modification,
   * are permitted provided that the following conditions are met:
@@ -30,7 +24,7 @@
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
-  **********/
+  */
 
 // This file contains source copied from ST's HAL, and thus should have their copyright statement.
 
@@ -41,10 +35,7 @@
 #ifndef PORTABLE_ST_STM32F0_DCD_STM32F0_FSDEV_PVT_ST_H_
 #define PORTABLE_ST_STM32F0_DCD_STM32F0_FSDEV_PVT_ST_H_
 
-#if defined(STM32F042x6) || \
-    defined(STM32F070x6) || defined(STM32F070xB) || \
-    defined(STM32F072xB) || \
-    defined(STM32F078xx)
+#if CFG_TUSB_MCU == OPT_MCU_STM32F0
   #include "stm32f0xx.h"
   #define PMA_LENGTH (1024u)
   // F0x2 models are crystal-less
@@ -52,7 +43,7 @@
   // 070RB:    2 x 16 bits/word memory     LPM Support, BCD Support
   // PMA dedicated to USB (no sharing with CAN)
 
-#elif defined(STM32F1_FSDEV)
+#elif CFG_TUSB_MCU == OPT_MCU_STM32F1
   #include "stm32f1xx.h"
   #define PMA_LENGTH (512u)
   // NO internal Pull-ups
@@ -98,6 +89,10 @@
   #undef USB_PMAADDR
   #define USB_PMAADDR USB1_PMAADDR
 
+#elif CFG_TUSB_MCU == OPT_MCU_STM32L4
+  #include "stm32l4xx.h"
+  #define PMA_LENGTH (1024u)
+
 #else
   #error You are using an untested or unimplemented STM32 variant. Please update the driver.
   // This includes L1x0, L1x1, L1x2, L4x2 and L4x3, G1x1, G1x3, and G1x4
@@ -116,76 +111,89 @@
 static __IO uint16_t * const pma = (__IO uint16_t*)USB_PMAADDR;
 
 // prototypes
-static inline __IO uint16_t* pcd_ep_rx_cnt_ptr(USB_TypeDef * USBx, uint32_t bEpNum);
-static inline __IO uint16_t* pcd_ep_tx_cnt_ptr(USB_TypeDef * USBx, uint32_t bEpNum);
-static inline void pcd_set_endpoint(USB_TypeDef * USBx, uint32_t bEpNum, uint32_t wRegValue);
+TU_ATTR_ALWAYS_INLINE static inline __IO uint16_t* pcd_ep_rx_cnt_ptr(USB_TypeDef * USBx, uint32_t bEpIdx);
+TU_ATTR_ALWAYS_INLINE static inline __IO uint16_t* pcd_ep_tx_cnt_ptr(USB_TypeDef * USBx, uint32_t bEpIdx);
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_endpoint(USB_TypeDef * USBx, uint32_t bEpIdx, uint32_t wRegValue);
+
+/* Aligned buffer size according to hardware */
+TU_ATTR_ALWAYS_INLINE static inline uint16_t pcd_aligned_buffer_size(uint16_t size)
+{
+  /* The STM32 full speed USB peripheral supports only a limited set of
+   * buffer sizes given by the RX buffer entry format in the USB_BTABLE. */
+  uint16_t blocksize = (size > 62) ? 32 : 2;
 
+  // Round up while dividing requested size by blocksize
+  uint16_t numblocks = (size + blocksize - 1) / blocksize ;
+
+  return numblocks * blocksize;
+}
 
 /* SetENDPOINT */
-static inline void pcd_set_endpoint(USB_TypeDef * USBx, uint32_t bEpNum, uint32_t wRegValue)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_endpoint(USB_TypeDef * USBx, uint32_t bEpIdx, uint32_t wRegValue)
 {
-  __O uint16_t *reg = (__O uint16_t *)((&USBx->EP0R) + bEpNum*2u);
+  __O uint16_t *reg = (__O uint16_t *)((&USBx->EP0R) + bEpIdx*2u);
   *reg = (uint16_t)wRegValue;
 }
 
 /* GetENDPOINT */
-static inline uint16_t pcd_get_endpoint(USB_TypeDef * USBx, uint32_t bEpNum) {
-  __I uint16_t *reg = (__I uint16_t *)((&USBx->EP0R) + bEpNum*2u);
+TU_ATTR_ALWAYS_INLINE static inline uint16_t pcd_get_endpoint(USB_TypeDef * USBx, uint32_t bEpIdx) {
+  __I uint16_t *reg = (__I uint16_t *)((&USBx->EP0R) + bEpIdx*2u);
   return *reg;
 }
 
-static inline void pcd_set_eptype(USB_TypeDef * USBx, uint32_t bEpNum, uint32_t wType)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_eptype(USB_TypeDef * USBx, uint32_t bEpIdx, uint32_t wType)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   regVal &= (uint32_t)USB_EP_T_MASK;
   regVal |= wType;
   regVal |= USB_EP_CTR_RX | USB_EP_CTR_TX; // These clear on write0, so must set high
-  pcd_set_endpoint(USBx, bEpNum, regVal);
+  pcd_set_endpoint(USBx, bEpIdx, regVal);
 }
 
-static inline uint32_t pcd_get_eptype(USB_TypeDef * USBx, uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline uint32_t pcd_get_eptype(USB_TypeDef * USBx, uint32_t bEpIdx)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   regVal &= USB_EP_T_FIELD;
   return regVal;
 }
 /**
   * @brief  Clears bit CTR_RX / CTR_TX in the endpoint register.
   * @param  USBx USB peripheral instance register address.
-  * @param  bEpNum Endpoint Number.
+  * @param  bEpIdx Endpoint Number.
   * @retval None
   */
-static inline void pcd_clear_rx_ep_ctr(USB_TypeDef * USBx, uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_clear_rx_ep_ctr(USB_TypeDef * USBx, uint32_t bEpIdx)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   regVal &= USB_EPREG_MASK;
   regVal &= ~USB_EP_CTR_RX;
   regVal |= USB_EP_CTR_TX; // preserve CTR_TX (clears on writing 0)
-  pcd_set_endpoint(USBx, bEpNum, regVal);
+  pcd_set_endpoint(USBx, bEpIdx, regVal);
 }
-static inline void pcd_clear_tx_ep_ctr(USB_TypeDef * USBx, uint32_t bEpNum)
+
+TU_ATTR_ALWAYS_INLINE static inline void pcd_clear_tx_ep_ctr(USB_TypeDef * USBx, uint32_t bEpIdx)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   regVal &= USB_EPREG_MASK;
   regVal &= ~USB_EP_CTR_TX;
   regVal |= USB_EP_CTR_RX; // preserve CTR_RX (clears on writing 0)
-  pcd_set_endpoint(USBx, bEpNum,regVal);
+  pcd_set_endpoint(USBx, bEpIdx,regVal);
 }
 /**
   * @brief  gets counter of the tx buffer.
   * @param  USBx USB peripheral instance register address.
-  * @param  bEpNum Endpoint Number.
+  * @param  bEpIdx Endpoint Number.
   * @retval Counter value
   */
-static inline uint32_t pcd_get_ep_tx_cnt(USB_TypeDef * USBx, uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline uint32_t pcd_get_ep_tx_cnt(USB_TypeDef * USBx, uint32_t bEpIdx)
 {
-  __I uint16_t *regPtr = pcd_ep_tx_cnt_ptr(USBx, bEpNum);
+  __I uint16_t *regPtr = pcd_ep_tx_cnt_ptr(USBx, bEpIdx);
   return *regPtr & 0x3ffU;
 }
 
-static inline uint32_t pcd_get_ep_rx_cnt(USB_TypeDef * USBx, uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline uint32_t pcd_get_ep_rx_cnt(USB_TypeDef * USBx, uint32_t bEpIdx)
 {
-  __I uint16_t *regPtr = pcd_ep_rx_cnt_ptr(USBx, bEpNum);
+  __I uint16_t *regPtr = pcd_ep_rx_cnt_ptr(USBx, bEpIdx);
   return *regPtr & 0x3ffU;
 }
 
@@ -196,49 +204,36 @@ static inline uint32_t pcd_get_ep_rx_cnt(USB_TypeDef * USBx, uint32_t bEpNum)
   * @param  wNBlocks no. of Blocks.
   * @retval None
   */
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_ep_cnt_reg(__O uint16_t * pdwReg, size_t wCount)
+{
+  /* We assume that the buffer size is already aligned to hardware requirements. */
+  uint16_t blocksize = (wCount > 62) ? 1 : 0;
+  uint16_t numblocks = wCount / (blocksize ? 32 : 2);
 
-static inline void pcd_set_ep_cnt_rx_reg(__O uint16_t * pdwReg, size_t wCount)  {
-  uint32_t wNBlocks;
-  if(wCount > 62u)
-  {
-    wNBlocks = wCount >> 5u;
-    if((wCount & 0x1fU) == 0u)
-    {
-      wNBlocks--;
-    }
-    wNBlocks = wNBlocks << 10u;
-    wNBlocks |= 0x8000u; // Mark block size as 32byte
-    *pdwReg = (uint16_t)wNBlocks;
-  }
-  else
-  {
-    wNBlocks = wCount >> 1u;
-    if((wCount & 0x1U) != 0u)
-    {
-      wNBlocks++;
-    }
-    *pdwReg = (uint16_t)((wNBlocks) << 10u);
-  }
-}
+  /* There should be no remainder in the above calculation */
+  TU_ASSERT((wCount - (numblocks * (blocksize ? 32 : 2))) == 0, /**/);
 
+  /* Encode into register. When BLSIZE==1, we need to subtract 1 block count */
+  *pdwReg = (blocksize << 15) | ((numblocks - blocksize) << 10);
+}
 
 /**
   * @brief  Sets address in an endpoint register.
   * @param  USBx USB peripheral instance register address.
-  * @param  bEpNum Endpoint Number.
+  * @param  bEpIdx Endpoint Number.
   * @param  bAddr Address.
   * @retval None
   */
-static inline void pcd_set_ep_address(USB_TypeDef * USBx,  uint32_t bEpNum, uint32_t bAddr)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_ep_address(USB_TypeDef * USBx,  uint32_t bEpIdx, uint32_t bAddr)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   regVal &= USB_EPREG_MASK;
   regVal |= bAddr;
   regVal |= USB_EP_CTR_RX|USB_EP_CTR_TX;
-  pcd_set_endpoint(USBx, bEpNum,regVal);
+  pcd_set_endpoint(USBx, bEpIdx,regVal);
 }
 
-static inline __IO uint16_t * pcd_btable_word_ptr(USB_TypeDef * USBx, size_t x)
+TU_ATTR_ALWAYS_INLINE static inline __IO uint16_t * pcd_btable_word_ptr(USB_TypeDef * USBx, size_t x)
 {
   size_t total_word_offset = (((USBx)->BTABLE)>>1) + x;
   total_word_offset *= PMA_STRIDE;
@@ -246,46 +241,61 @@ static inline __IO uint16_t * pcd_btable_word_ptr(USB_TypeDef * USBx, size_t x)
 }
 
 // Pointers to the PMA table entries (using the ARM address space)
-static inline __IO uint16_t* pcd_ep_tx_address_ptr(USB_TypeDef * USBx, uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline __IO uint16_t* pcd_ep_tx_address_ptr(USB_TypeDef * USBx, uint32_t bEpIdx)
+{
+  return pcd_btable_word_ptr(USBx,(bEpIdx)*4u + 0u);
+}
+TU_ATTR_ALWAYS_INLINE static inline __IO uint16_t* pcd_ep_tx_cnt_ptr(USB_TypeDef * USBx, uint32_t bEpIdx)
 {
-  return pcd_btable_word_ptr(USBx,(bEpNum)*4u + 0u);
+  return pcd_btable_word_ptr(USBx,(bEpIdx)*4u + 1u);
 }
-static inline __IO uint16_t* pcd_ep_tx_cnt_ptr(USB_TypeDef * USBx, uint32_t bEpNum)
+
+TU_ATTR_ALWAYS_INLINE static inline __IO uint16_t* pcd_ep_rx_address_ptr(USB_TypeDef * USBx, uint32_t bEpIdx)
+{
+  return  pcd_btable_word_ptr(USBx,(bEpIdx)*4u + 2u);
+}
+
+TU_ATTR_ALWAYS_INLINE static inline __IO uint16_t* pcd_ep_rx_cnt_ptr(USB_TypeDef * USBx, uint32_t bEpIdx)
 {
-  return pcd_btable_word_ptr(USBx,(bEpNum)*4u + 1u);
+  return pcd_btable_word_ptr(USBx,(bEpIdx)*4u + 3u);
 }
 
-static inline __IO uint16_t* pcd_ep_rx_address_ptr(USB_TypeDef * USBx, uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_ep_tx_cnt(USB_TypeDef * USBx,  uint32_t bEpIdx, uint32_t wCount)
 {
-  return  pcd_btable_word_ptr(USBx,(bEpNum)*4u + 2u);
+  __IO uint16_t * reg = pcd_ep_tx_cnt_ptr(USBx, bEpIdx);
+  *reg = (uint16_t) (*reg & (uint16_t) ~0x3FFU) | (wCount & 0x3FFU);
 }
 
-static inline __IO uint16_t* pcd_ep_rx_cnt_ptr(USB_TypeDef * USBx, uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_ep_rx_cnt(USB_TypeDef * USBx,  uint32_t bEpIdx, uint32_t wCount)
 {
-  return pcd_btable_word_ptr(USBx,(bEpNum)*4u + 3u);
+  __IO uint16_t * reg = pcd_ep_rx_cnt_ptr(USBx, bEpIdx);
+  *reg = (uint16_t) (*reg & (uint16_t) ~0x3FFU) | (wCount & 0x3FFU);
 }
 
-static inline void pcd_set_ep_tx_cnt(USB_TypeDef * USBx,  uint32_t bEpNum, uint32_t wCount)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_ep_tx_bufsize(USB_TypeDef * USBx,  uint32_t bEpIdx, uint32_t wCount)
 {
-  *pcd_ep_tx_cnt_ptr(USBx, bEpNum) = (uint16_t)wCount;
+  __IO uint16_t *pdwReg = pcd_ep_tx_cnt_ptr((USBx),(bEpIdx));
+  wCount = pcd_aligned_buffer_size(wCount);
+  pcd_set_ep_cnt_reg(pdwReg, wCount);
 }
 
-static inline void pcd_set_ep_rx_cnt(USB_TypeDef * USBx,  uint32_t bEpNum, uint32_t wCount)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_ep_rx_bufsize(USB_TypeDef * USBx,  uint32_t bEpIdx, uint32_t wCount)
 {
-  __IO uint16_t *pdwReg = pcd_ep_rx_cnt_ptr((USBx),(bEpNum));
-  pcd_set_ep_cnt_rx_reg(pdwReg, wCount);
+  __IO uint16_t *pdwReg = pcd_ep_rx_cnt_ptr((USBx),(bEpIdx));
+  wCount = pcd_aligned_buffer_size(wCount);
+  pcd_set_ep_cnt_reg(pdwReg, wCount);
 }
 
 /**
   * @brief  sets the status for tx transfer (bits STAT_TX[1:0]).
   * @param  USBx USB peripheral instance register address.
-  * @param  bEpNum Endpoint Number.
+  * @param  bEpIdx Endpoint Number.
   * @param  wState new state
   * @retval None
   */
-static inline void pcd_set_ep_tx_status(USB_TypeDef * USBx,  uint32_t bEpNum, uint32_t wState)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_ep_tx_status(USB_TypeDef * USBx,  uint32_t bEpIdx, uint32_t wState)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   regVal &= USB_EPTX_DTOGMASK;
 
   /* toggle first bit ? */
@@ -298,21 +308,22 @@ static inline void pcd_set_ep_tx_status(USB_TypeDef * USBx,  uint32_t bEpNum, ui
   {
     regVal ^= USB_EPTX_DTOG2;
   }
+
   regVal |= USB_EP_CTR_RX|USB_EP_CTR_TX;
-  pcd_set_endpoint(USBx, bEpNum, regVal);
+  pcd_set_endpoint(USBx, bEpIdx, regVal);
 } /* pcd_set_ep_tx_status */
 
 /**
   * @brief  sets the status for rx transfer (bits STAT_TX[1:0])
   * @param  USBx USB peripheral instance register address.
-  * @param  bEpNum Endpoint Number.
+  * @param  bEpIdx Endpoint Number.
   * @param  wState new state
   * @retval None
   */
 
-static inline void pcd_set_ep_rx_status(USB_TypeDef * USBx,  uint32_t bEpNum, uint32_t wState)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_ep_rx_status(USB_TypeDef * USBx,  uint32_t bEpIdx, uint32_t wState)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   regVal &= USB_EPRX_DTOGMASK;
 
   /* toggle first bit ? */
@@ -325,13 +336,14 @@ static inline void pcd_set_ep_rx_status(USB_TypeDef * USBx,  uint32_t bEpNum, ui
   {
     regVal ^= USB_EPRX_DTOG2;
   }
+
   regVal |= USB_EP_CTR_RX|USB_EP_CTR_TX;
-  pcd_set_endpoint(USBx, bEpNum, regVal);
+  pcd_set_endpoint(USBx, bEpIdx, regVal);
 } /* pcd_set_ep_rx_status */
 
-static inline uint32_t pcd_get_ep_rx_status(USB_TypeDef * USBx,  uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline uint32_t pcd_get_ep_rx_status(USB_TypeDef * USBx,  uint32_t bEpIdx)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   return (regVal & USB_EPRX_STAT) >> (12u);
 } /* pcd_get_ep_rx_status */
 
@@ -339,71 +351,71 @@ static inline uint32_t pcd_get_ep_rx_status(USB_TypeDef * USBx,  uint32_t bEpNum
 /**
   * @brief  Toggles DTOG_RX / DTOG_TX bit in the endpoint register.
   * @param  USBx USB peripheral instance register address.
-  * @param  bEpNum Endpoint Number.
+  * @param  bEpIdx Endpoint Number.
   * @retval None
   */
-static inline void pcd_rx_dtog(USB_TypeDef * USBx,  uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_rx_dtog(USB_TypeDef * USBx,  uint32_t bEpIdx)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   regVal &= USB_EPREG_MASK;
   regVal |= USB_EP_CTR_RX|USB_EP_CTR_TX|USB_EP_DTOG_RX;
-  pcd_set_endpoint(USBx, bEpNum, regVal);
+  pcd_set_endpoint(USBx, bEpIdx, regVal);
 }
 
-static inline void pcd_tx_dtog(USB_TypeDef * USBx,  uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_tx_dtog(USB_TypeDef * USBx,  uint32_t bEpIdx)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   regVal &= USB_EPREG_MASK;
   regVal |= USB_EP_CTR_RX|USB_EP_CTR_TX|USB_EP_DTOG_TX;
-  pcd_set_endpoint(USBx, bEpNum, regVal);
+  pcd_set_endpoint(USBx, bEpIdx, regVal);
 }
 
 /**
   * @brief  Clears DTOG_RX / DTOG_TX bit in the endpoint register.
   * @param  USBx USB peripheral instance register address.
-  * @param  bEpNum Endpoint Number.
+  * @param  bEpIdx Endpoint Number.
   * @retval None
   */
 
-static inline void pcd_clear_rx_dtog(USB_TypeDef * USBx,  uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_clear_rx_dtog(USB_TypeDef * USBx,  uint32_t bEpIdx)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   if((regVal & USB_EP_DTOG_RX) != 0)
   {
-    pcd_rx_dtog(USBx,bEpNum);
+    pcd_rx_dtog(USBx,bEpIdx);
   }
 }
 
-static inline void pcd_clear_tx_dtog(USB_TypeDef * USBx,  uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_clear_tx_dtog(USB_TypeDef * USBx,  uint32_t bEpIdx)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   if((regVal & USB_EP_DTOG_TX) != 0)
   {
-    pcd_tx_dtog(USBx,bEpNum);
+    pcd_tx_dtog(USBx,bEpIdx);
   }
 }
 
 /**
   * @brief  set & clear EP_KIND bit.
   * @param  USBx USB peripheral instance register address.
-  * @param  bEpNum Endpoint Number.
+  * @param  bEpIdx Endpoint Number.
   * @retval None
   */
 
-static inline void pcd_set_ep_kind(USB_TypeDef * USBx,  uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_set_ep_kind(USB_TypeDef * USBx,  uint32_t bEpIdx)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   regVal |= USB_EP_KIND;
   regVal &= USB_EPREG_MASK;
   regVal |= USB_EP_CTR_RX|USB_EP_CTR_TX;
-  pcd_set_endpoint(USBx, bEpNum, regVal);
+  pcd_set_endpoint(USBx, bEpIdx, regVal);
 }
-static inline void pcd_clear_ep_kind(USB_TypeDef * USBx, uint32_t bEpNum)
+TU_ATTR_ALWAYS_INLINE static inline void pcd_clear_ep_kind(USB_TypeDef * USBx, uint32_t bEpIdx)
 {
-  uint32_t regVal = pcd_get_endpoint(USBx, bEpNum);
+  uint32_t regVal = pcd_get_endpoint(USBx, bEpIdx);
   regVal &= USB_EPKIND_MASK;
   regVal |= USB_EP_CTR_RX|USB_EP_CTR_TX;
-  pcd_set_endpoint(USBx, bEpNum, regVal);
+  pcd_set_endpoint(USBx, bEpIdx, regVal);
 }
 
 // This checks if the device has "LPM"
@@ -417,6 +429,7 @@ static inline void pcd_clear_ep_kind(USB_TypeDef * USBx, uint32_t bEpNum)
      USB_ISTR_RESET | USB_ISTR_SOF | USB_ISTR_ESOF | USB_ISTR_L1REQ_FORCED )
 
 // Number of endpoints in hardware
+// TODO should use TUP_DCD_ENDPOINT_MAX
 #define STFSDEV_EP_COUNT (8u)
 
 #endif /* PORTABLE_ST_STM32F0_DCD_STM32F0_FSDEV_PVT_ST_H_ */
diff --git a/src/portable/st/synopsys/synopsys_common.h b/src/portable/st/synopsys/synopsys_common.h
index 6f0602fe9..ce3195b23 100644
--- a/src/portable/st/synopsys/synopsys_common.h
+++ b/src/portable/st/synopsys/synopsys_common.h
@@ -2,15 +2,15 @@
   ******************************************************************************
   * @file    synopsys_common.h
   * @author  MCD Application Team
-  * @brief   CMSIS Cortex-M3 Device USB OTG peripheral Header File. 
-  *          This file contains the USB OTG peripheral register's definitions, bits 
+  * @brief   CMSIS Cortex-M3 Device USB OTG peripheral Header File.
+  *          This file contains the USB OTG peripheral register's definitions, bits
   *          definitions and memory mapping for STM32F1xx devices.
-  *            
+  *
   *          This file contains:
   *           - Data structures and the address mapping for the USB OTG peripheral
   *           - The Peripheral's registers declarations and bits definition
   *           - Macros to access the peripheral's registers hardware
-  *  
+  *
   ******************************************************************************
   * @attention
   *
@@ -40,7 +40,7 @@
 #define     __OM  volatile
 #define     __IOM volatile
 
-/** 
+/**
   * @brief __USB_OTG_Core_register
   */
 
@@ -66,11 +66,11 @@ typedef struct
   __IO uint32_t DIEPTXF[0x0F];        /*!< dev Periodic Transmit FIFO                 Address offset: 0x104 */
 } USB_OTG_GlobalTypeDef;
 
-/** 
+/**
   * @brief __device_Registers
   */
 
-typedef struct 
+typedef struct
 {
   __IO uint32_t DCFG;                 /*!< dev Configuration Register                 Address offset: 800h*/
   __IO uint32_t DCTL;                 /*!< dev Control Register                       Address offset: 804h*/
@@ -87,18 +87,18 @@ typedef struct
   __IO uint32_t DTHRCTL;              /*!< dev thr                                    Address offset: 830h*/
   __IO uint32_t DIEPEMPMSK;           /*!< dev empty msk                              Address offset: 834h*/
   __IO uint32_t DEACHINT;             /*!< dedicated EP interrupt                     Address offset: 838h*/
-  __IO uint32_t DEACHMSK;             /*!< dedicated EP msk                           Address offset: 83Ch*/  
+  __IO uint32_t DEACHMSK;             /*!< dedicated EP msk                           Address offset: 83Ch*/
   uint32_t Reserved40;                /*!< dedicated EP mask                          Address offset: 840h*/
   __IO uint32_t DINEP1MSK;            /*!< dedicated EP mask                          Address offset: 844h*/
   uint32_t  Reserved44[15];           /*!< Reserved 844-87Ch*/
   __IO uint32_t DOUTEP1MSK;           /*!< dedicated EP msk                           Address offset: 884h*/
 } USB_OTG_DeviceTypeDef;
 
-/** 
+/**
   * @brief __IN_Endpoint-Specific_Register
   */
 
-typedef struct 
+typedef struct
 {
   __IO uint32_t DIEPCTL;              /*!< dev IN Endpoint Control Reg                900h + (ep_num * 20h) + 00h*/
   uint32_t Reserved04;                /*!< Reserved                                   900h + (ep_num * 20h) + 04h*/
@@ -110,11 +110,11 @@ typedef struct
   uint32_t Reserved18;                /*!< Reserved                                   900h+(ep_num*20h)+1Ch-900h+ (ep_num * 20h) + 1Ch*/
 } USB_OTG_INEndpointTypeDef;
 
-/** 
+/**
   * @brief __OUT_Endpoint-Specific_Registers
   */
 
-typedef struct 
+typedef struct
 {
   __IO uint32_t DOEPCTL;              /*!< dev OUT Endpoint Control Reg               B00h + (ep_num * 20h) + 00h*/
   uint32_t Reserved04;                /*!< Reserved                                   B00h + (ep_num * 20h) + 04h*/
@@ -125,11 +125,11 @@ typedef struct
   uint32_t Reserved18[2];             /*!< Reserved                                   B00h + (ep_num * 20h) + 18h - B00h + (ep_num * 20h) + 1Ch*/
 } USB_OTG_OUTEndpointTypeDef;
 
-/** 
+/**
   * @brief __Host_Mode_Register_Structures
   */
 
-typedef struct 
+typedef struct
 {
   __IO uint32_t HCFG;                 /*!< Host Configuration Register    400h*/
   __IO uint32_t HFIR;                 /*!< Host Frame Interval Register   404h*/
@@ -140,7 +140,7 @@ typedef struct
   __IO uint32_t HAINTMSK;             /*!< Host All Channels Interrupt Mask 418h*/
 } USB_OTG_HostTypeDef;
 
-/** 
+/**
   * @brief __Host_Channel_Specific_Registers
   */
 
@@ -177,60 +177,60 @@ typedef struct
 /*                                                                            */
 /******************************************************************************/
 /********************  Bit definition for USB_OTG_GOTGCTL register  ***********/
-#define USB_OTG_GOTGCTL_SRQSCS_Pos              (0U)                           
+#define USB_OTG_GOTGCTL_SRQSCS_Pos              (0U)
 #define USB_OTG_GOTGCTL_SRQSCS_Msk              (0x1UL << USB_OTG_GOTGCTL_SRQSCS_Pos) /*!< 0x00000001 */
 #define USB_OTG_GOTGCTL_SRQSCS                  USB_OTG_GOTGCTL_SRQSCS_Msk     /*!< Session request success */
-#define USB_OTG_GOTGCTL_SRQ_Pos                 (1U)                           
+#define USB_OTG_GOTGCTL_SRQ_Pos                 (1U)
 #define USB_OTG_GOTGCTL_SRQ_Msk                 (0x1UL << USB_OTG_GOTGCTL_SRQ_Pos) /*!< 0x00000002 */
 #define USB_OTG_GOTGCTL_SRQ                     USB_OTG_GOTGCTL_SRQ_Msk        /*!< Session request */
-#define USB_OTG_GOTGCTL_HNGSCS_Pos              (8U)                           
+#define USB_OTG_GOTGCTL_HNGSCS_Pos              (8U)
 #define USB_OTG_GOTGCTL_HNGSCS_Msk              (0x1UL << USB_OTG_GOTGCTL_HNGSCS_Pos) /*!< 0x00000100 */
 #define USB_OTG_GOTGCTL_HNGSCS                   USB_OTG_GOTGCTL_HNGSCS_Msk    /*!< Host set HNP enable */
-#define USB_OTG_GOTGCTL_HNPRQ_Pos               (9U)                           
+#define USB_OTG_GOTGCTL_HNPRQ_Pos               (9U)
 #define USB_OTG_GOTGCTL_HNPRQ_Msk               (0x1UL << USB_OTG_GOTGCTL_HNPRQ_Pos) /*!< 0x00000200 */
 #define USB_OTG_GOTGCTL_HNPRQ                   USB_OTG_GOTGCTL_HNPRQ_Msk      /*!< HNP request */
-#define USB_OTG_GOTGCTL_HSHNPEN_Pos             (10U)                          
+#define USB_OTG_GOTGCTL_HSHNPEN_Pos             (10U)
 #define USB_OTG_GOTGCTL_HSHNPEN_Msk             (0x1UL << USB_OTG_GOTGCTL_HSHNPEN_Pos) /*!< 0x00000400 */
 #define USB_OTG_GOTGCTL_HSHNPEN                 USB_OTG_GOTGCTL_HSHNPEN_Msk    /*!< Host set HNP enable */
-#define USB_OTG_GOTGCTL_DHNPEN_Pos              (11U)                          
+#define USB_OTG_GOTGCTL_DHNPEN_Pos              (11U)
 #define USB_OTG_GOTGCTL_DHNPEN_Msk              (0x1UL << USB_OTG_GOTGCTL_DHNPEN_Pos) /*!< 0x00000800 */
 #define USB_OTG_GOTGCTL_DHNPEN                  USB_OTG_GOTGCTL_DHNPEN_Msk     /*!< Device HNP enabled */
-#define USB_OTG_GOTGCTL_CIDSTS_Pos              (16U)                          
+#define USB_OTG_GOTGCTL_CIDSTS_Pos              (16U)
 #define USB_OTG_GOTGCTL_CIDSTS_Msk              (0x1UL << USB_OTG_GOTGCTL_CIDSTS_Pos) /*!< 0x00010000 */
 #define USB_OTG_GOTGCTL_CIDSTS                  USB_OTG_GOTGCTL_CIDSTS_Msk     /*!< Connector ID status */
-#define USB_OTG_GOTGCTL_DBCT_Pos                (17U)                          
+#define USB_OTG_GOTGCTL_DBCT_Pos                (17U)
 #define USB_OTG_GOTGCTL_DBCT_Msk                (0x1UL << USB_OTG_GOTGCTL_DBCT_Pos) /*!< 0x00020000 */
 #define USB_OTG_GOTGCTL_DBCT                    USB_OTG_GOTGCTL_DBCT_Msk       /*!< Long/short debounce time */
-#define USB_OTG_GOTGCTL_ASVLD_Pos               (18U)                          
+#define USB_OTG_GOTGCTL_ASVLD_Pos               (18U)
 #define USB_OTG_GOTGCTL_ASVLD_Msk               (0x1UL << USB_OTG_GOTGCTL_ASVLD_Pos) /*!< 0x00040000 */
 #define USB_OTG_GOTGCTL_ASVLD                   USB_OTG_GOTGCTL_ASVLD_Msk      /*!< A-session valid */
-#define USB_OTG_GOTGCTL_BSVLD_Pos               (19U)                          
+#define USB_OTG_GOTGCTL_BSVLD_Pos               (19U)
 #define USB_OTG_GOTGCTL_BSVLD_Msk               (0x1UL << USB_OTG_GOTGCTL_BSVLD_Pos) /*!< 0x00080000 */
 #define USB_OTG_GOTGCTL_BSVLD                   USB_OTG_GOTGCTL_BSVLD_Msk      /*!< B-session valid */
 
 /********************  Bit definition for USB_OTG_HCFG register  ********************/
 
-#define USB_OTG_HCFG_FSLSPCS_Pos                (0U)                           
+#define USB_OTG_HCFG_FSLSPCS_Pos                (0U)
 #define USB_OTG_HCFG_FSLSPCS_Msk                (0x3UL << USB_OTG_HCFG_FSLSPCS_Pos) /*!< 0x00000003 */
 #define USB_OTG_HCFG_FSLSPCS                    USB_OTG_HCFG_FSLSPCS_Msk       /*!< FS/LS PHY clock select */
 #define USB_OTG_HCFG_FSLSPCS_0                  (0x1UL << USB_OTG_HCFG_FSLSPCS_Pos) /*!< 0x00000001 */
 #define USB_OTG_HCFG_FSLSPCS_1                  (0x2UL << USB_OTG_HCFG_FSLSPCS_Pos) /*!< 0x00000002 */
-#define USB_OTG_HCFG_FSLSS_Pos                  (2U)                           
+#define USB_OTG_HCFG_FSLSS_Pos                  (2U)
 #define USB_OTG_HCFG_FSLSS_Msk                  (0x1UL << USB_OTG_HCFG_FSLSS_Pos) /*!< 0x00000004 */
 #define USB_OTG_HCFG_FSLSS                      USB_OTG_HCFG_FSLSS_Msk         /*!< FS- and LS-only support */
 
 /********************  Bit definition for USB_OTG_DCFG register  ********************/
 
-#define USB_OTG_DCFG_DSPD_Pos                   (0U)                           
+#define USB_OTG_DCFG_DSPD_Pos                   (0U)
 #define USB_OTG_DCFG_DSPD_Msk                   (0x3UL << USB_OTG_DCFG_DSPD_Pos) /*!< 0x00000003 */
 #define USB_OTG_DCFG_DSPD                       USB_OTG_DCFG_DSPD_Msk          /*!< Device speed */
 #define USB_OTG_DCFG_DSPD_0                     (0x1UL << USB_OTG_DCFG_DSPD_Pos) /*!< 0x00000001 */
 #define USB_OTG_DCFG_DSPD_1                     (0x2UL << USB_OTG_DCFG_DSPD_Pos) /*!< 0x00000002 */
-#define USB_OTG_DCFG_NZLSOHSK_Pos               (2U)                           
+#define USB_OTG_DCFG_NZLSOHSK_Pos               (2U)
 #define USB_OTG_DCFG_NZLSOHSK_Msk               (0x1UL << USB_OTG_DCFG_NZLSOHSK_Pos) /*!< 0x00000004 */
 #define USB_OTG_DCFG_NZLSOHSK                   USB_OTG_DCFG_NZLSOHSK_Msk      /*!< Nonzero-length status OUT handshake */
 
-#define USB_OTG_DCFG_DAD_Pos                    (4U)                           
+#define USB_OTG_DCFG_DAD_Pos                    (4U)
 #define USB_OTG_DCFG_DAD_Msk                    (0x7FUL << USB_OTG_DCFG_DAD_Pos) /*!< 0x000007F0 */
 #define USB_OTG_DCFG_DAD                        USB_OTG_DCFG_DAD_Msk           /*!< Device address */
 #define USB_OTG_DCFG_DAD_0                      (0x01UL << USB_OTG_DCFG_DAD_Pos) /*!< 0x00000010 */
@@ -241,120 +241,120 @@ typedef struct
 #define USB_OTG_DCFG_DAD_5                      (0x20UL << USB_OTG_DCFG_DAD_Pos) /*!< 0x00000200 */
 #define USB_OTG_DCFG_DAD_6                      (0x40UL << USB_OTG_DCFG_DAD_Pos) /*!< 0x00000400 */
 
-#define USB_OTG_DCFG_PFIVL_Pos                  (11U)                          
+#define USB_OTG_DCFG_PFIVL_Pos                  (11U)
 #define USB_OTG_DCFG_PFIVL_Msk                  (0x3UL << USB_OTG_DCFG_PFIVL_Pos) /*!< 0x00001800 */
 #define USB_OTG_DCFG_PFIVL                      USB_OTG_DCFG_PFIVL_Msk         /*!< Periodic (micro)frame interval */
 #define USB_OTG_DCFG_PFIVL_0                    (0x1UL << USB_OTG_DCFG_PFIVL_Pos) /*!< 0x00000800 */
 #define USB_OTG_DCFG_PFIVL_1                    (0x2UL << USB_OTG_DCFG_PFIVL_Pos) /*!< 0x00001000 */
 
-#define USB_OTG_DCFG_PERSCHIVL_Pos              (24U)                          
+#define USB_OTG_DCFG_PERSCHIVL_Pos              (24U)
 #define USB_OTG_DCFG_PERSCHIVL_Msk              (0x3UL << USB_OTG_DCFG_PERSCHIVL_Pos) /*!< 0x03000000 */
 #define USB_OTG_DCFG_PERSCHIVL                  USB_OTG_DCFG_PERSCHIVL_Msk     /*!< Periodic scheduling interval */
 #define USB_OTG_DCFG_PERSCHIVL_0                (0x1UL << USB_OTG_DCFG_PERSCHIVL_Pos) /*!< 0x01000000 */
 #define USB_OTG_DCFG_PERSCHIVL_1                (0x2UL << USB_OTG_DCFG_PERSCHIVL_Pos) /*!< 0x02000000 */
 
 /********************  Bit definition for USB_OTG_PCGCR register  ********************/
-#define USB_OTG_PCGCR_STPPCLK_Pos               (0U)                           
+#define USB_OTG_PCGCR_STPPCLK_Pos               (0U)
 #define USB_OTG_PCGCR_STPPCLK_Msk               (0x1UL << USB_OTG_PCGCR_STPPCLK_Pos) /*!< 0x00000001 */
 #define USB_OTG_PCGCR_STPPCLK                   USB_OTG_PCGCR_STPPCLK_Msk      /*!< Stop PHY clock */
-#define USB_OTG_PCGCR_GATEHCLK_Pos              (1U)                           
+#define USB_OTG_PCGCR_GATEHCLK_Pos              (1U)
 #define USB_OTG_PCGCR_GATEHCLK_Msk              (0x1UL << USB_OTG_PCGCR_GATEHCLK_Pos) /*!< 0x00000002 */
 #define USB_OTG_PCGCR_GATEHCLK                  USB_OTG_PCGCR_GATEHCLK_Msk     /*!< Gate HCLK */
-#define USB_OTG_PCGCR_PHYSUSP_Pos               (4U)                           
+#define USB_OTG_PCGCR_PHYSUSP_Pos               (4U)
 #define USB_OTG_PCGCR_PHYSUSP_Msk               (0x1UL << USB_OTG_PCGCR_PHYSUSP_Pos) /*!< 0x00000010 */
 #define USB_OTG_PCGCR_PHYSUSP                   USB_OTG_PCGCR_PHYSUSP_Msk      /*!< PHY suspended */
 
 /********************  Bit definition for USB_OTG_GOTGINT register  ********************/
-#define USB_OTG_GOTGINT_SEDET_Pos               (2U)                           
+#define USB_OTG_GOTGINT_SEDET_Pos               (2U)
 #define USB_OTG_GOTGINT_SEDET_Msk               (0x1UL << USB_OTG_GOTGINT_SEDET_Pos) /*!< 0x00000004 */
 #define USB_OTG_GOTGINT_SEDET                   USB_OTG_GOTGINT_SEDET_Msk      /*!< Session end detected */
-#define USB_OTG_GOTGINT_SRSSCHG_Pos             (8U)                           
+#define USB_OTG_GOTGINT_SRSSCHG_Pos             (8U)
 #define USB_OTG_GOTGINT_SRSSCHG_Msk             (0x1UL << USB_OTG_GOTGINT_SRSSCHG_Pos) /*!< 0x00000100 */
 #define USB_OTG_GOTGINT_SRSSCHG                 USB_OTG_GOTGINT_SRSSCHG_Msk    /*!< Session request success status change */
-#define USB_OTG_GOTGINT_HNSSCHG_Pos             (9U)                           
+#define USB_OTG_GOTGINT_HNSSCHG_Pos             (9U)
 #define USB_OTG_GOTGINT_HNSSCHG_Msk             (0x1UL << USB_OTG_GOTGINT_HNSSCHG_Pos) /*!< 0x00000200 */
 #define USB_OTG_GOTGINT_HNSSCHG                 USB_OTG_GOTGINT_HNSSCHG_Msk    /*!< Host negotiation success status change */
-#define USB_OTG_GOTGINT_HNGDET_Pos              (17U)                          
+#define USB_OTG_GOTGINT_HNGDET_Pos              (17U)
 #define USB_OTG_GOTGINT_HNGDET_Msk              (0x1UL << USB_OTG_GOTGINT_HNGDET_Pos) /*!< 0x00020000 */
 #define USB_OTG_GOTGINT_HNGDET                  USB_OTG_GOTGINT_HNGDET_Msk     /*!< Host negotiation detected */
-#define USB_OTG_GOTGINT_ADTOCHG_Pos             (18U)                          
+#define USB_OTG_GOTGINT_ADTOCHG_Pos             (18U)
 #define USB_OTG_GOTGINT_ADTOCHG_Msk             (0x1UL << USB_OTG_GOTGINT_ADTOCHG_Pos) /*!< 0x00040000 */
 #define USB_OTG_GOTGINT_ADTOCHG                 USB_OTG_GOTGINT_ADTOCHG_Msk    /*!< A-device timeout change */
-#define USB_OTG_GOTGINT_DBCDNE_Pos              (19U)                          
+#define USB_OTG_GOTGINT_DBCDNE_Pos              (19U)
 #define USB_OTG_GOTGINT_DBCDNE_Msk              (0x1UL << USB_OTG_GOTGINT_DBCDNE_Pos) /*!< 0x00080000 */
 #define USB_OTG_GOTGINT_DBCDNE                  USB_OTG_GOTGINT_DBCDNE_Msk     /*!< Debounce done */
 
 /********************  Bit definition for USB_OTG_DCTL register  ********************/
-#define USB_OTG_DCTL_RWUSIG_Pos                 (0U)                           
+#define USB_OTG_DCTL_RWUSIG_Pos                 (0U)
 #define USB_OTG_DCTL_RWUSIG_Msk                 (0x1UL << USB_OTG_DCTL_RWUSIG_Pos) /*!< 0x00000001 */
 #define USB_OTG_DCTL_RWUSIG                     USB_OTG_DCTL_RWUSIG_Msk        /*!< Remote wakeup signaling */
-#define USB_OTG_DCTL_SDIS_Pos                   (1U)                           
+#define USB_OTG_DCTL_SDIS_Pos                   (1U)
 #define USB_OTG_DCTL_SDIS_Msk                   (0x1UL << USB_OTG_DCTL_SDIS_Pos) /*!< 0x00000002 */
 #define USB_OTG_DCTL_SDIS                       USB_OTG_DCTL_SDIS_Msk          /*!< Soft disconnect */
-#define USB_OTG_DCTL_GINSTS_Pos                 (2U)                           
+#define USB_OTG_DCTL_GINSTS_Pos                 (2U)
 #define USB_OTG_DCTL_GINSTS_Msk                 (0x1UL << USB_OTG_DCTL_GINSTS_Pos) /*!< 0x00000004 */
 #define USB_OTG_DCTL_GINSTS                     USB_OTG_DCTL_GINSTS_Msk        /*!< Global IN NAK status */
-#define USB_OTG_DCTL_GONSTS_Pos                 (3U)                           
+#define USB_OTG_DCTL_GONSTS_Pos                 (3U)
 #define USB_OTG_DCTL_GONSTS_Msk                 (0x1UL << USB_OTG_DCTL_GONSTS_Pos) /*!< 0x00000008 */
 #define USB_OTG_DCTL_GONSTS                     USB_OTG_DCTL_GONSTS_Msk        /*!< Global OUT NAK status */
 
-#define USB_OTG_DCTL_TCTL_Pos                   (4U)                           
+#define USB_OTG_DCTL_TCTL_Pos                   (4U)
 #define USB_OTG_DCTL_TCTL_Msk                   (0x7UL << USB_OTG_DCTL_TCTL_Pos) /*!< 0x00000070 */
 #define USB_OTG_DCTL_TCTL                       USB_OTG_DCTL_TCTL_Msk          /*!< Test control */
 #define USB_OTG_DCTL_TCTL_0                     (0x1UL << USB_OTG_DCTL_TCTL_Pos) /*!< 0x00000010 */
 #define USB_OTG_DCTL_TCTL_1                     (0x2UL << USB_OTG_DCTL_TCTL_Pos) /*!< 0x00000020 */
 #define USB_OTG_DCTL_TCTL_2                     (0x4UL << USB_OTG_DCTL_TCTL_Pos) /*!< 0x00000040 */
-#define USB_OTG_DCTL_SGINAK_Pos                 (7U)                           
+#define USB_OTG_DCTL_SGINAK_Pos                 (7U)
 #define USB_OTG_DCTL_SGINAK_Msk                 (0x1UL << USB_OTG_DCTL_SGINAK_Pos) /*!< 0x00000080 */
 #define USB_OTG_DCTL_SGINAK                     USB_OTG_DCTL_SGINAK_Msk        /*!< Set global IN NAK */
-#define USB_OTG_DCTL_CGINAK_Pos                 (8U)                           
+#define USB_OTG_DCTL_CGINAK_Pos                 (8U)
 #define USB_OTG_DCTL_CGINAK_Msk                 (0x1UL << USB_OTG_DCTL_CGINAK_Pos) /*!< 0x00000100 */
 #define USB_OTG_DCTL_CGINAK                     USB_OTG_DCTL_CGINAK_Msk        /*!< Clear global IN NAK */
-#define USB_OTG_DCTL_SGONAK_Pos                 (9U)                           
+#define USB_OTG_DCTL_SGONAK_Pos                 (9U)
 #define USB_OTG_DCTL_SGONAK_Msk                 (0x1UL << USB_OTG_DCTL_SGONAK_Pos) /*!< 0x00000200 */
 #define USB_OTG_DCTL_SGONAK                     USB_OTG_DCTL_SGONAK_Msk        /*!< Set global OUT NAK */
-#define USB_OTG_DCTL_CGONAK_Pos                 (10U)                          
+#define USB_OTG_DCTL_CGONAK_Pos                 (10U)
 #define USB_OTG_DCTL_CGONAK_Msk                 (0x1UL << USB_OTG_DCTL_CGONAK_Pos) /*!< 0x00000400 */
 #define USB_OTG_DCTL_CGONAK                     USB_OTG_DCTL_CGONAK_Msk        /*!< Clear global OUT NAK */
-#define USB_OTG_DCTL_POPRGDNE_Pos               (11U)                          
+#define USB_OTG_DCTL_POPRGDNE_Pos               (11U)
 #define USB_OTG_DCTL_POPRGDNE_Msk               (0x1UL << USB_OTG_DCTL_POPRGDNE_Pos) /*!< 0x00000800 */
 #define USB_OTG_DCTL_POPRGDNE                   USB_OTG_DCTL_POPRGDNE_Msk      /*!< Power-on programming done */
 
 /********************  Bit definition for USB_OTG_HFIR register  ********************/
-#define USB_OTG_HFIR_FRIVL_Pos                  (0U)                           
+#define USB_OTG_HFIR_FRIVL_Pos                  (0U)
 #define USB_OTG_HFIR_FRIVL_Msk                  (0xFFFFUL << USB_OTG_HFIR_FRIVL_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_HFIR_FRIVL                      USB_OTG_HFIR_FRIVL_Msk         /*!< Frame interval */
 
 /********************  Bit definition for USB_OTG_HFNUM register  ********************/
-#define USB_OTG_HFNUM_FRNUM_Pos                 (0U)                           
+#define USB_OTG_HFNUM_FRNUM_Pos                 (0U)
 #define USB_OTG_HFNUM_FRNUM_Msk                 (0xFFFFUL << USB_OTG_HFNUM_FRNUM_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_HFNUM_FRNUM                     USB_OTG_HFNUM_FRNUM_Msk        /*!< Frame number */
-#define USB_OTG_HFNUM_FTREM_Pos                 (16U)                          
+#define USB_OTG_HFNUM_FTREM_Pos                 (16U)
 #define USB_OTG_HFNUM_FTREM_Msk                 (0xFFFFUL << USB_OTG_HFNUM_FTREM_Pos) /*!< 0xFFFF0000 */
 #define USB_OTG_HFNUM_FTREM                     USB_OTG_HFNUM_FTREM_Msk        /*!< Frame time remaining */
 
 /********************  Bit definition for USB_OTG_DSTS register  ********************/
-#define USB_OTG_DSTS_SUSPSTS_Pos                (0U)                           
+#define USB_OTG_DSTS_SUSPSTS_Pos                (0U)
 #define USB_OTG_DSTS_SUSPSTS_Msk                (0x1UL << USB_OTG_DSTS_SUSPSTS_Pos) /*!< 0x00000001 */
 #define USB_OTG_DSTS_SUSPSTS                    USB_OTG_DSTS_SUSPSTS_Msk       /*!< Suspend status */
 
-#define USB_OTG_DSTS_ENUMSPD_Pos                (1U)                           
+#define USB_OTG_DSTS_ENUMSPD_Pos                (1U)
 #define USB_OTG_DSTS_ENUMSPD_Msk                (0x3UL << USB_OTG_DSTS_ENUMSPD_Pos) /*!< 0x00000006 */
 #define USB_OTG_DSTS_ENUMSPD                    USB_OTG_DSTS_ENUMSPD_Msk       /*!< Enumerated speed */
 #define USB_OTG_DSTS_ENUMSPD_0                  (0x1UL << USB_OTG_DSTS_ENUMSPD_Pos) /*!< 0x00000002 */
 #define USB_OTG_DSTS_ENUMSPD_1                  (0x2UL << USB_OTG_DSTS_ENUMSPD_Pos) /*!< 0x00000004 */
-#define USB_OTG_DSTS_EERR_Pos                   (3U)                           
+#define USB_OTG_DSTS_EERR_Pos                   (3U)
 #define USB_OTG_DSTS_EERR_Msk                   (0x1UL << USB_OTG_DSTS_EERR_Pos) /*!< 0x00000008 */
 #define USB_OTG_DSTS_EERR                       USB_OTG_DSTS_EERR_Msk          /*!< Erratic error */
-#define USB_OTG_DSTS_FNSOF_Pos                  (8U)                           
+#define USB_OTG_DSTS_FNSOF_Pos                  (8U)
 #define USB_OTG_DSTS_FNSOF_Msk                  (0x3FFFUL << USB_OTG_DSTS_FNSOF_Pos) /*!< 0x003FFF00 */
 #define USB_OTG_DSTS_FNSOF                      USB_OTG_DSTS_FNSOF_Msk         /*!< Frame number of the received SOF */
 
 /********************  Bit definition for USB_OTG_GAHBCFG register  ********************/
-#define USB_OTG_GAHBCFG_GINT_Pos                (0U)                           
+#define USB_OTG_GAHBCFG_GINT_Pos                (0U)
 #define USB_OTG_GAHBCFG_GINT_Msk                (0x1UL << USB_OTG_GAHBCFG_GINT_Pos) /*!< 0x00000001 */
 #define USB_OTG_GAHBCFG_GINT                    USB_OTG_GAHBCFG_GINT_Msk       /*!< Global interrupt mask */
-#define USB_OTG_GAHBCFG_HBSTLEN_Pos             (1U)                           
+#define USB_OTG_GAHBCFG_HBSTLEN_Pos             (1U)
 #define USB_OTG_GAHBCFG_HBSTLEN_Msk             (0xFUL << USB_OTG_GAHBCFG_HBSTLEN_Pos) /*!< 0x0000001E */
 #define USB_OTG_GAHBCFG_HBSTLEN                 USB_OTG_GAHBCFG_HBSTLEN_Msk    /*!< Burst length/type */
 #define USB_OTG_GAHBCFG_HBSTLEN_0                (0x0UL << USB_OTG_GAHBCFG_HBSTLEN_Pos) /*!< Single */
@@ -362,99 +362,99 @@ typedef struct
 #define USB_OTG_GAHBCFG_HBSTLEN_2                (0x3UL << USB_OTG_GAHBCFG_HBSTLEN_Pos) /*!< INCR4 */
 #define USB_OTG_GAHBCFG_HBSTLEN_3                (0x5UL << USB_OTG_GAHBCFG_HBSTLEN_Pos) /*!< INCR8 */
 #define USB_OTG_GAHBCFG_HBSTLEN_4                (0x7UL << USB_OTG_GAHBCFG_HBSTLEN_Pos) /*!< INCR16 */
-#define USB_OTG_GAHBCFG_DMAEN_Pos               (5U)                           
+#define USB_OTG_GAHBCFG_DMAEN_Pos               (5U)
 #define USB_OTG_GAHBCFG_DMAEN_Msk               (0x1UL << USB_OTG_GAHBCFG_DMAEN_Pos) /*!< 0x00000020 */
 #define USB_OTG_GAHBCFG_DMAEN                   USB_OTG_GAHBCFG_DMAEN_Msk      /*!< DMA enable */
-#define USB_OTG_GAHBCFG_TXFELVL_Pos             (7U)                           
+#define USB_OTG_GAHBCFG_TXFELVL_Pos             (7U)
 #define USB_OTG_GAHBCFG_TXFELVL_Msk             (0x1UL << USB_OTG_GAHBCFG_TXFELVL_Pos) /*!< 0x00000080 */
 #define USB_OTG_GAHBCFG_TXFELVL                 USB_OTG_GAHBCFG_TXFELVL_Msk    /*!< TxFIFO empty level */
-#define USB_OTG_GAHBCFG_PTXFELVL_Pos            (8U)                           
+#define USB_OTG_GAHBCFG_PTXFELVL_Pos            (8U)
 #define USB_OTG_GAHBCFG_PTXFELVL_Msk            (0x1UL << USB_OTG_GAHBCFG_PTXFELVL_Pos) /*!< 0x00000100 */
 #define USB_OTG_GAHBCFG_PTXFELVL                USB_OTG_GAHBCFG_PTXFELVL_Msk   /*!< Periodic TxFIFO empty level */
 
 /********************  Bit definition for USB_OTG_GUSBCFG register  ********************/
 
-#define USB_OTG_GUSBCFG_TOCAL_Pos               (0U)                           
+#define USB_OTG_GUSBCFG_TOCAL_Pos               (0U)
 #define USB_OTG_GUSBCFG_TOCAL_Msk               (0x7UL << USB_OTG_GUSBCFG_TOCAL_Pos) /*!< 0x00000007 */
 #define USB_OTG_GUSBCFG_TOCAL                   USB_OTG_GUSBCFG_TOCAL_Msk      /*!< FS timeout calibration */
 #define USB_OTG_GUSBCFG_TOCAL_0                 (0x1UL << USB_OTG_GUSBCFG_TOCAL_Pos) /*!< 0x00000001 */
 #define USB_OTG_GUSBCFG_TOCAL_1                 (0x2UL << USB_OTG_GUSBCFG_TOCAL_Pos) /*!< 0x00000002 */
 #define USB_OTG_GUSBCFG_TOCAL_2                 (0x4UL << USB_OTG_GUSBCFG_TOCAL_Pos) /*!< 0x00000004 */
-#define USB_OTG_GUSBCFG_PHYSEL_Pos              (6U)                           
+#define USB_OTG_GUSBCFG_PHYSEL_Pos              (6U)
 #define USB_OTG_GUSBCFG_PHYSEL_Msk              (0x1UL << USB_OTG_GUSBCFG_PHYSEL_Pos) /*!< 0x00000040 */
 #define USB_OTG_GUSBCFG_PHYSEL                  USB_OTG_GUSBCFG_PHYSEL_Msk     /*!< USB 2.0 high-speed ULPI PHY or USB 1.1 full-speed serial transceiver select */
-#define USB_OTG_GUSBCFG_SRPCAP_Pos              (8U)                           
+#define USB_OTG_GUSBCFG_SRPCAP_Pos              (8U)
 #define USB_OTG_GUSBCFG_SRPCAP_Msk              (0x1UL << USB_OTG_GUSBCFG_SRPCAP_Pos) /*!< 0x00000100 */
 #define USB_OTG_GUSBCFG_SRPCAP                  USB_OTG_GUSBCFG_SRPCAP_Msk     /*!< SRP-capable */
-#define USB_OTG_GUSBCFG_HNPCAP_Pos              (9U)                           
+#define USB_OTG_GUSBCFG_HNPCAP_Pos              (9U)
 #define USB_OTG_GUSBCFG_HNPCAP_Msk              (0x1UL << USB_OTG_GUSBCFG_HNPCAP_Pos) /*!< 0x00000200 */
 #define USB_OTG_GUSBCFG_HNPCAP                  USB_OTG_GUSBCFG_HNPCAP_Msk     /*!< HNP-capable */
-#define USB_OTG_GUSBCFG_TRDT_Pos                (10U)                          
+#define USB_OTG_GUSBCFG_TRDT_Pos                (10U)
 #define USB_OTG_GUSBCFG_TRDT_Msk                (0xFUL << USB_OTG_GUSBCFG_TRDT_Pos) /*!< 0x00003C00 */
 #define USB_OTG_GUSBCFG_TRDT                    USB_OTG_GUSBCFG_TRDT_Msk       /*!< USB turnaround time */
 #define USB_OTG_GUSBCFG_TRDT_0                  (0x1UL << USB_OTG_GUSBCFG_TRDT_Pos) /*!< 0x00000400 */
 #define USB_OTG_GUSBCFG_TRDT_1                  (0x2UL << USB_OTG_GUSBCFG_TRDT_Pos) /*!< 0x00000800 */
 #define USB_OTG_GUSBCFG_TRDT_2                  (0x4UL << USB_OTG_GUSBCFG_TRDT_Pos) /*!< 0x00001000 */
 #define USB_OTG_GUSBCFG_TRDT_3                  (0x8UL << USB_OTG_GUSBCFG_TRDT_Pos) /*!< 0x00002000 */
-#define USB_OTG_GUSBCFG_PHYLPCS_Pos             (15U)                          
+#define USB_OTG_GUSBCFG_PHYLPCS_Pos             (15U)
 #define USB_OTG_GUSBCFG_PHYLPCS_Msk             (0x1UL << USB_OTG_GUSBCFG_PHYLPCS_Pos) /*!< 0x00008000 */
 #define USB_OTG_GUSBCFG_PHYLPCS                 USB_OTG_GUSBCFG_PHYLPCS_Msk    /*!< PHY Low-power clock select */
-#define USB_OTG_GUSBCFG_ULPIFSLS_Pos            (17U)                          
+#define USB_OTG_GUSBCFG_ULPIFSLS_Pos            (17U)
 #define USB_OTG_GUSBCFG_ULPIFSLS_Msk            (0x1UL << USB_OTG_GUSBCFG_ULPIFSLS_Pos) /*!< 0x00020000 */
 #define USB_OTG_GUSBCFG_ULPIFSLS                USB_OTG_GUSBCFG_ULPIFSLS_Msk   /*!< ULPI FS/LS select */
-#define USB_OTG_GUSBCFG_ULPIAR_Pos              (18U)                          
+#define USB_OTG_GUSBCFG_ULPIAR_Pos              (18U)
 #define USB_OTG_GUSBCFG_ULPIAR_Msk              (0x1UL << USB_OTG_GUSBCFG_ULPIAR_Pos) /*!< 0x00040000 */
 #define USB_OTG_GUSBCFG_ULPIAR                  USB_OTG_GUSBCFG_ULPIAR_Msk     /*!< ULPI Auto-resume */
-#define USB_OTG_GUSBCFG_ULPICSM_Pos             (19U)                          
+#define USB_OTG_GUSBCFG_ULPICSM_Pos             (19U)
 #define USB_OTG_GUSBCFG_ULPICSM_Msk             (0x1UL << USB_OTG_GUSBCFG_ULPICSM_Pos) /*!< 0x00080000 */
 #define USB_OTG_GUSBCFG_ULPICSM                 USB_OTG_GUSBCFG_ULPICSM_Msk    /*!< ULPI Clock SuspendM */
-#define USB_OTG_GUSBCFG_ULPIEVBUSD_Pos          (20U)                          
+#define USB_OTG_GUSBCFG_ULPIEVBUSD_Pos          (20U)
 #define USB_OTG_GUSBCFG_ULPIEVBUSD_Msk          (0x1UL << USB_OTG_GUSBCFG_ULPIEVBUSD_Pos) /*!< 0x00100000 */
 #define USB_OTG_GUSBCFG_ULPIEVBUSD              USB_OTG_GUSBCFG_ULPIEVBUSD_Msk /*!< ULPI External VBUS Drive */
-#define USB_OTG_GUSBCFG_ULPIEVBUSI_Pos          (21U)                          
+#define USB_OTG_GUSBCFG_ULPIEVBUSI_Pos          (21U)
 #define USB_OTG_GUSBCFG_ULPIEVBUSI_Msk          (0x1UL << USB_OTG_GUSBCFG_ULPIEVBUSI_Pos) /*!< 0x00200000 */
 #define USB_OTG_GUSBCFG_ULPIEVBUSI              USB_OTG_GUSBCFG_ULPIEVBUSI_Msk /*!< ULPI external VBUS indicator */
-#define USB_OTG_GUSBCFG_TSDPS_Pos               (22U)                          
+#define USB_OTG_GUSBCFG_TSDPS_Pos               (22U)
 #define USB_OTG_GUSBCFG_TSDPS_Msk               (0x1UL << USB_OTG_GUSBCFG_TSDPS_Pos) /*!< 0x00400000 */
 #define USB_OTG_GUSBCFG_TSDPS                   USB_OTG_GUSBCFG_TSDPS_Msk      /*!< TermSel DLine pulsing selection */
-#define USB_OTG_GUSBCFG_PCCI_Pos                (23U)                          
+#define USB_OTG_GUSBCFG_PCCI_Pos                (23U)
 #define USB_OTG_GUSBCFG_PCCI_Msk                (0x1UL << USB_OTG_GUSBCFG_PCCI_Pos) /*!< 0x00800000 */
 #define USB_OTG_GUSBCFG_PCCI                    USB_OTG_GUSBCFG_PCCI_Msk       /*!< Indicator complement */
-#define USB_OTG_GUSBCFG_PTCI_Pos                (24U)                          
+#define USB_OTG_GUSBCFG_PTCI_Pos                (24U)
 #define USB_OTG_GUSBCFG_PTCI_Msk                (0x1UL << USB_OTG_GUSBCFG_PTCI_Pos) /*!< 0x01000000 */
 #define USB_OTG_GUSBCFG_PTCI                    USB_OTG_GUSBCFG_PTCI_Msk       /*!< Indicator pass through */
-#define USB_OTG_GUSBCFG_ULPIIPD_Pos             (25U)                          
+#define USB_OTG_GUSBCFG_ULPIIPD_Pos             (25U)
 #define USB_OTG_GUSBCFG_ULPIIPD_Msk             (0x1UL << USB_OTG_GUSBCFG_ULPIIPD_Pos) /*!< 0x02000000 */
 #define USB_OTG_GUSBCFG_ULPIIPD                 USB_OTG_GUSBCFG_ULPIIPD_Msk    /*!< ULPI interface protect disable */
-#define USB_OTG_GUSBCFG_FHMOD_Pos               (29U)                          
+#define USB_OTG_GUSBCFG_FHMOD_Pos               (29U)
 #define USB_OTG_GUSBCFG_FHMOD_Msk               (0x1UL << USB_OTG_GUSBCFG_FHMOD_Pos) /*!< 0x20000000 */
 #define USB_OTG_GUSBCFG_FHMOD                   USB_OTG_GUSBCFG_FHMOD_Msk      /*!< Forced host mode */
-#define USB_OTG_GUSBCFG_FDMOD_Pos               (30U)                          
+#define USB_OTG_GUSBCFG_FDMOD_Pos               (30U)
 #define USB_OTG_GUSBCFG_FDMOD_Msk               (0x1UL << USB_OTG_GUSBCFG_FDMOD_Pos) /*!< 0x40000000 */
 #define USB_OTG_GUSBCFG_FDMOD                   USB_OTG_GUSBCFG_FDMOD_Msk      /*!< Forced peripheral mode */
-#define USB_OTG_GUSBCFG_CTXPKT_Pos              (31U)                          
+#define USB_OTG_GUSBCFG_CTXPKT_Pos              (31U)
 #define USB_OTG_GUSBCFG_CTXPKT_Msk              (0x1UL << USB_OTG_GUSBCFG_CTXPKT_Pos) /*!< 0x80000000 */
 #define USB_OTG_GUSBCFG_CTXPKT                  USB_OTG_GUSBCFG_CTXPKT_Msk     /*!< Corrupt Tx packet */
 
 /********************  Bit definition for USB_OTG_GRSTCTL register  ********************/
-#define USB_OTG_GRSTCTL_CSRST_Pos               (0U)                           
+#define USB_OTG_GRSTCTL_CSRST_Pos               (0U)
 #define USB_OTG_GRSTCTL_CSRST_Msk               (0x1UL << USB_OTG_GRSTCTL_CSRST_Pos) /*!< 0x00000001 */
 #define USB_OTG_GRSTCTL_CSRST                   USB_OTG_GRSTCTL_CSRST_Msk      /*!< Core soft reset */
-#define USB_OTG_GRSTCTL_HSRST_Pos               (1U)                           
+#define USB_OTG_GRSTCTL_HSRST_Pos               (1U)
 #define USB_OTG_GRSTCTL_HSRST_Msk               (0x1UL << USB_OTG_GRSTCTL_HSRST_Pos) /*!< 0x00000002 */
 #define USB_OTG_GRSTCTL_HSRST                   USB_OTG_GRSTCTL_HSRST_Msk      /*!< HCLK soft reset */
-#define USB_OTG_GRSTCTL_FCRST_Pos               (2U)                           
+#define USB_OTG_GRSTCTL_FCRST_Pos               (2U)
 #define USB_OTG_GRSTCTL_FCRST_Msk               (0x1UL << USB_OTG_GRSTCTL_FCRST_Pos) /*!< 0x00000004 */
 #define USB_OTG_GRSTCTL_FCRST                   USB_OTG_GRSTCTL_FCRST_Msk      /*!< Host frame counter reset */
-#define USB_OTG_GRSTCTL_RXFFLSH_Pos             (4U)                           
+#define USB_OTG_GRSTCTL_RXFFLSH_Pos             (4U)
 #define USB_OTG_GRSTCTL_RXFFLSH_Msk             (0x1UL << USB_OTG_GRSTCTL_RXFFLSH_Pos) /*!< 0x00000010 */
 #define USB_OTG_GRSTCTL_RXFFLSH                 USB_OTG_GRSTCTL_RXFFLSH_Msk    /*!< RxFIFO flush */
-#define USB_OTG_GRSTCTL_TXFFLSH_Pos             (5U)                           
+#define USB_OTG_GRSTCTL_TXFFLSH_Pos             (5U)
 #define USB_OTG_GRSTCTL_TXFFLSH_Msk             (0x1UL << USB_OTG_GRSTCTL_TXFFLSH_Pos) /*!< 0x00000020 */
 #define USB_OTG_GRSTCTL_TXFFLSH                 USB_OTG_GRSTCTL_TXFFLSH_Msk    /*!< TxFIFO flush */
 
 
-#define USB_OTG_GRSTCTL_TXFNUM_Pos              (6U)                           
+#define USB_OTG_GRSTCTL_TXFNUM_Pos              (6U)
 #define USB_OTG_GRSTCTL_TXFNUM_Msk              (0x1FUL << USB_OTG_GRSTCTL_TXFNUM_Pos) /*!< 0x000007C0 */
 #define USB_OTG_GRSTCTL_TXFNUM                  USB_OTG_GRSTCTL_TXFNUM_Msk     /*!< TxFIFO number */
 #define USB_OTG_GRSTCTL_TXFNUM_0                (0x01UL << USB_OTG_GRSTCTL_TXFNUM_Pos) /*!< 0x00000040 */
@@ -462,44 +462,44 @@ typedef struct
 #define USB_OTG_GRSTCTL_TXFNUM_2                (0x04UL << USB_OTG_GRSTCTL_TXFNUM_Pos) /*!< 0x00000100 */
 #define USB_OTG_GRSTCTL_TXFNUM_3                (0x08UL << USB_OTG_GRSTCTL_TXFNUM_Pos) /*!< 0x00000200 */
 #define USB_OTG_GRSTCTL_TXFNUM_4                (0x10UL << USB_OTG_GRSTCTL_TXFNUM_Pos) /*!< 0x00000400 */
-#define USB_OTG_GRSTCTL_DMAREQ_Pos              (30U)                          
+#define USB_OTG_GRSTCTL_DMAREQ_Pos              (30U)
 #define USB_OTG_GRSTCTL_DMAREQ_Msk              (0x1UL << USB_OTG_GRSTCTL_DMAREQ_Pos) /*!< 0x40000000 */
 #define USB_OTG_GRSTCTL_DMAREQ                  USB_OTG_GRSTCTL_DMAREQ_Msk     /*!< DMA request signal */
-#define USB_OTG_GRSTCTL_AHBIDL_Pos              (31U)                          
+#define USB_OTG_GRSTCTL_AHBIDL_Pos              (31U)
 #define USB_OTG_GRSTCTL_AHBIDL_Msk              (0x1UL << USB_OTG_GRSTCTL_AHBIDL_Pos) /*!< 0x80000000 */
 #define USB_OTG_GRSTCTL_AHBIDL                  USB_OTG_GRSTCTL_AHBIDL_Msk     /*!< AHB master idle */
 
 /********************  Bit definition for USB_OTG_DIEPMSK register  ********************/
-#define USB_OTG_DIEPMSK_XFRCM_Pos               (0U)                           
+#define USB_OTG_DIEPMSK_XFRCM_Pos               (0U)
 #define USB_OTG_DIEPMSK_XFRCM_Msk               (0x1UL << USB_OTG_DIEPMSK_XFRCM_Pos) /*!< 0x00000001 */
 #define USB_OTG_DIEPMSK_XFRCM                   USB_OTG_DIEPMSK_XFRCM_Msk      /*!< Transfer completed interrupt mask */
-#define USB_OTG_DIEPMSK_EPDM_Pos                (1U)                           
+#define USB_OTG_DIEPMSK_EPDM_Pos                (1U)
 #define USB_OTG_DIEPMSK_EPDM_Msk                (0x1UL << USB_OTG_DIEPMSK_EPDM_Pos) /*!< 0x00000002 */
 #define USB_OTG_DIEPMSK_EPDM                    USB_OTG_DIEPMSK_EPDM_Msk       /*!< Endpoint disabled interrupt mask */
-#define USB_OTG_DIEPMSK_TOM_Pos                 (3U)                           
+#define USB_OTG_DIEPMSK_TOM_Pos                 (3U)
 #define USB_OTG_DIEPMSK_TOM_Msk                 (0x1UL << USB_OTG_DIEPMSK_TOM_Pos) /*!< 0x00000008 */
 #define USB_OTG_DIEPMSK_TOM                     USB_OTG_DIEPMSK_TOM_Msk        /*!< Timeout condition mask (nonisochronous endpoints) */
-#define USB_OTG_DIEPMSK_ITTXFEMSK_Pos           (4U)                           
+#define USB_OTG_DIEPMSK_ITTXFEMSK_Pos           (4U)
 #define USB_OTG_DIEPMSK_ITTXFEMSK_Msk           (0x1UL << USB_OTG_DIEPMSK_ITTXFEMSK_Pos) /*!< 0x00000010 */
 #define USB_OTG_DIEPMSK_ITTXFEMSK               USB_OTG_DIEPMSK_ITTXFEMSK_Msk  /*!< IN token received when TxFIFO empty mask */
-#define USB_OTG_DIEPMSK_INEPNMM_Pos             (5U)                           
+#define USB_OTG_DIEPMSK_INEPNMM_Pos             (5U)
 #define USB_OTG_DIEPMSK_INEPNMM_Msk             (0x1UL << USB_OTG_DIEPMSK_INEPNMM_Pos) /*!< 0x00000020 */
 #define USB_OTG_DIEPMSK_INEPNMM                 USB_OTG_DIEPMSK_INEPNMM_Msk    /*!< IN token received with EP mismatch mask */
-#define USB_OTG_DIEPMSK_INEPNEM_Pos             (6U)                           
+#define USB_OTG_DIEPMSK_INEPNEM_Pos             (6U)
 #define USB_OTG_DIEPMSK_INEPNEM_Msk             (0x1UL << USB_OTG_DIEPMSK_INEPNEM_Pos) /*!< 0x00000040 */
 #define USB_OTG_DIEPMSK_INEPNEM                 USB_OTG_DIEPMSK_INEPNEM_Msk    /*!< IN endpoint NAK effective mask */
-#define USB_OTG_DIEPMSK_TXFURM_Pos              (8U)                           
+#define USB_OTG_DIEPMSK_TXFURM_Pos              (8U)
 #define USB_OTG_DIEPMSK_TXFURM_Msk              (0x1UL << USB_OTG_DIEPMSK_TXFURM_Pos) /*!< 0x00000100 */
 #define USB_OTG_DIEPMSK_TXFURM                  USB_OTG_DIEPMSK_TXFURM_Msk     /*!< FIFO underrun mask */
-#define USB_OTG_DIEPMSK_BIM_Pos                 (9U)                           
+#define USB_OTG_DIEPMSK_BIM_Pos                 (9U)
 #define USB_OTG_DIEPMSK_BIM_Msk                 (0x1UL << USB_OTG_DIEPMSK_BIM_Pos) /*!< 0x00000200 */
 #define USB_OTG_DIEPMSK_BIM                     USB_OTG_DIEPMSK_BIM_Msk        /*!< BNA interrupt mask */
 
 /********************  Bit definition for USB_OTG_HPTXSTS register  ********************/
-#define USB_OTG_HPTXSTS_PTXFSAVL_Pos            (0U)                           
+#define USB_OTG_HPTXSTS_PTXFSAVL_Pos            (0U)
 #define USB_OTG_HPTXSTS_PTXFSAVL_Msk            (0xFFFFUL << USB_OTG_HPTXSTS_PTXFSAVL_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_HPTXSTS_PTXFSAVL                USB_OTG_HPTXSTS_PTXFSAVL_Msk   /*!< Periodic transmit data FIFO space available */
-#define USB_OTG_HPTXSTS_PTXQSAV_Pos             (16U)                          
+#define USB_OTG_HPTXSTS_PTXQSAV_Pos             (16U)
 #define USB_OTG_HPTXSTS_PTXQSAV_Msk             (0xFFUL << USB_OTG_HPTXSTS_PTXQSAV_Pos) /*!< 0x00FF0000 */
 #define USB_OTG_HPTXSTS_PTXQSAV                 USB_OTG_HPTXSTS_PTXQSAV_Msk    /*!< Periodic transmit request queue space available */
 #define USB_OTG_HPTXSTS_PTXQSAV_0               (0x01UL << USB_OTG_HPTXSTS_PTXQSAV_Pos) /*!< 0x00010000 */
@@ -511,7 +511,7 @@ typedef struct
 #define USB_OTG_HPTXSTS_PTXQSAV_6               (0x40UL << USB_OTG_HPTXSTS_PTXQSAV_Pos) /*!< 0x00400000 */
 #define USB_OTG_HPTXSTS_PTXQSAV_7               (0x80UL << USB_OTG_HPTXSTS_PTXQSAV_Pos) /*!< 0x00800000 */
 
-#define USB_OTG_HPTXSTS_PTXQTOP_Pos             (24U)                          
+#define USB_OTG_HPTXSTS_PTXQTOP_Pos             (24U)
 #define USB_OTG_HPTXSTS_PTXQTOP_Msk             (0xFFUL << USB_OTG_HPTXSTS_PTXQTOP_Pos) /*!< 0xFF000000 */
 #define USB_OTG_HPTXSTS_PTXQTOP                 USB_OTG_HPTXSTS_PTXQTOP_Msk    /*!< Top of the periodic transmit request queue */
 #define USB_OTG_HPTXSTS_PTXQTOP_0               (0x01UL << USB_OTG_HPTXSTS_PTXQTOP_Pos) /*!< 0x01000000 */
@@ -524,36 +524,36 @@ typedef struct
 #define USB_OTG_HPTXSTS_PTXQTOP_7               (0x80UL << USB_OTG_HPTXSTS_PTXQTOP_Pos) /*!< 0x80000000 */
 
 /********************  Bit definition for USB_OTG_HAINT register  ********************/
-#define USB_OTG_HAINT_HAINT_Pos                 (0U)                           
+#define USB_OTG_HAINT_HAINT_Pos                 (0U)
 #define USB_OTG_HAINT_HAINT_Msk                 (0xFFFFUL << USB_OTG_HAINT_HAINT_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_HAINT_HAINT                     USB_OTG_HAINT_HAINT_Msk        /*!< Channel interrupts */
 
 /********************  Bit definition for USB_OTG_DOEPMSK register  ********************/
-#define USB_OTG_DOEPMSK_XFRCM_Pos               (0U)                           
+#define USB_OTG_DOEPMSK_XFRCM_Pos               (0U)
 #define USB_OTG_DOEPMSK_XFRCM_Msk               (0x1UL << USB_OTG_DOEPMSK_XFRCM_Pos) /*!< 0x00000001 */
 #define USB_OTG_DOEPMSK_XFRCM                   USB_OTG_DOEPMSK_XFRCM_Msk      /*!< Transfer completed interrupt mask */
-#define USB_OTG_DOEPMSK_EPDM_Pos                (1U)                           
+#define USB_OTG_DOEPMSK_EPDM_Pos                (1U)
 #define USB_OTG_DOEPMSK_EPDM_Msk                (0x1UL << USB_OTG_DOEPMSK_EPDM_Pos) /*!< 0x00000002 */
 #define USB_OTG_DOEPMSK_EPDM                    USB_OTG_DOEPMSK_EPDM_Msk       /*!< Endpoint disabled interrupt mask */
 #define USB_OTG_DOEPMSK_AHBERRM_Pos              (2U)
 #define USB_OTG_DOEPMSK_AHBERRM_Msk              (0x1UL << USB_OTG_DOEPMSK_AHBERRM_Pos) /*!< 0x00000004 */
 #define USB_OTG_DOEPMSK_AHBERRM                  USB_OTG_DOEPMSK_AHBERRM_Msk   /*!< OUT transaction AHB Error interrupt mask       */
-#define USB_OTG_DOEPMSK_STUPM_Pos               (3U)                           
+#define USB_OTG_DOEPMSK_STUPM_Pos               (3U)
 #define USB_OTG_DOEPMSK_STUPM_Msk               (0x1UL << USB_OTG_DOEPMSK_STUPM_Pos) /*!< 0x00000008 */
 #define USB_OTG_DOEPMSK_STUPM                   USB_OTG_DOEPMSK_STUPM_Msk      /*!< SETUP phase done mask */
-#define USB_OTG_DOEPMSK_OTEPDM_Pos              (4U)                           
+#define USB_OTG_DOEPMSK_OTEPDM_Pos              (4U)
 #define USB_OTG_DOEPMSK_OTEPDM_Msk              (0x1UL << USB_OTG_DOEPMSK_OTEPDM_Pos) /*!< 0x00000010 */
 #define USB_OTG_DOEPMSK_OTEPDM                  USB_OTG_DOEPMSK_OTEPDM_Msk     /*!< OUT token received when endpoint disabled mask */
-#define USB_OTG_DOEPMSK_OTEPSPRM_Pos             (5U)                          
+#define USB_OTG_DOEPMSK_OTEPSPRM_Pos             (5U)
 #define USB_OTG_DOEPMSK_OTEPSPRM_Msk             (0x1UL << USB_OTG_DOEPMSK_OTEPSPRM_Pos) /*!< 0x00000020 */
 #define USB_OTG_DOEPMSK_OTEPSPRM                 USB_OTG_DOEPMSK_OTEPSPRM_Msk  /*!< Status Phase Received mask                     */
-#define USB_OTG_DOEPMSK_B2BSTUP_Pos             (6U)                           
+#define USB_OTG_DOEPMSK_B2BSTUP_Pos             (6U)
 #define USB_OTG_DOEPMSK_B2BSTUP_Msk             (0x1UL << USB_OTG_DOEPMSK_B2BSTUP_Pos) /*!< 0x00000040 */
 #define USB_OTG_DOEPMSK_B2BSTUP                 USB_OTG_DOEPMSK_B2BSTUP_Msk    /*!< Back-to-back SETUP packets received mask */
-#define USB_OTG_DOEPMSK_OPEM_Pos                (8U)                           
+#define USB_OTG_DOEPMSK_OPEM_Pos                (8U)
 #define USB_OTG_DOEPMSK_OPEM_Msk                (0x1UL << USB_OTG_DOEPMSK_OPEM_Pos) /*!< 0x00000100 */
 #define USB_OTG_DOEPMSK_OPEM                    USB_OTG_DOEPMSK_OPEM_Msk       /*!< OUT packet error mask */
-#define USB_OTG_DOEPMSK_BOIM_Pos                (9U)                           
+#define USB_OTG_DOEPMSK_BOIM_Pos                (9U)
 #define USB_OTG_DOEPMSK_BOIM_Msk                (0x1UL << USB_OTG_DOEPMSK_BOIM_Pos) /*!< 0x00000200 */
 #define USB_OTG_DOEPMSK_BOIM                    USB_OTG_DOEPMSK_BOIM_Msk       /*!< BNA interrupt mask */
 #define USB_OTG_DOEPMSK_BERRM_Pos                (12U)
@@ -566,235 +566,235 @@ typedef struct
 #define USB_OTG_DOEPMSK_NYETM_Msk                (0x1UL << USB_OTG_DOEPMSK_NYETM_Pos) /*!< 0x00004000 */
 #define USB_OTG_DOEPMSK_NYETM                    USB_OTG_DOEPMSK_NYETM_Msk     /*!< NYET interrupt mask                            */
 /********************  Bit definition for USB_OTG_GINTSTS register  ********************/
-#define USB_OTG_GINTSTS_CMOD_Pos                (0U)                           
+#define USB_OTG_GINTSTS_CMOD_Pos                (0U)
 #define USB_OTG_GINTSTS_CMOD_Msk                (0x1UL << USB_OTG_GINTSTS_CMOD_Pos) /*!< 0x00000001 */
 #define USB_OTG_GINTSTS_CMOD                    USB_OTG_GINTSTS_CMOD_Msk       /*!< Current mode of operation */
-#define USB_OTG_GINTSTS_MMIS_Pos                (1U)                           
+#define USB_OTG_GINTSTS_MMIS_Pos                (1U)
 #define USB_OTG_GINTSTS_MMIS_Msk                (0x1UL << USB_OTG_GINTSTS_MMIS_Pos) /*!< 0x00000002 */
 #define USB_OTG_GINTSTS_MMIS                    USB_OTG_GINTSTS_MMIS_Msk       /*!< Mode mismatch interrupt */
-#define USB_OTG_GINTSTS_OTGINT_Pos              (2U)                           
+#define USB_OTG_GINTSTS_OTGINT_Pos              (2U)
 #define USB_OTG_GINTSTS_OTGINT_Msk              (0x1UL << USB_OTG_GINTSTS_OTGINT_Pos) /*!< 0x00000004 */
 #define USB_OTG_GINTSTS_OTGINT                  USB_OTG_GINTSTS_OTGINT_Msk     /*!< OTG interrupt */
-#define USB_OTG_GINTSTS_SOF_Pos                 (3U)                           
+#define USB_OTG_GINTSTS_SOF_Pos                 (3U)
 #define USB_OTG_GINTSTS_SOF_Msk                 (0x1UL << USB_OTG_GINTSTS_SOF_Pos) /*!< 0x00000008 */
 #define USB_OTG_GINTSTS_SOF                     USB_OTG_GINTSTS_SOF_Msk        /*!< Start of frame */
-#define USB_OTG_GINTSTS_RXFLVL_Pos              (4U)                           
+#define USB_OTG_GINTSTS_RXFLVL_Pos              (4U)
 #define USB_OTG_GINTSTS_RXFLVL_Msk              (0x1UL << USB_OTG_GINTSTS_RXFLVL_Pos) /*!< 0x00000010 */
 #define USB_OTG_GINTSTS_RXFLVL                  USB_OTG_GINTSTS_RXFLVL_Msk     /*!< RxFIFO nonempty */
-#define USB_OTG_GINTSTS_NPTXFE_Pos              (5U)                           
+#define USB_OTG_GINTSTS_NPTXFE_Pos              (5U)
 #define USB_OTG_GINTSTS_NPTXFE_Msk              (0x1UL << USB_OTG_GINTSTS_NPTXFE_Pos) /*!< 0x00000020 */
 #define USB_OTG_GINTSTS_NPTXFE                  USB_OTG_GINTSTS_NPTXFE_Msk     /*!< Nonperiodic TxFIFO empty */
-#define USB_OTG_GINTSTS_GINAKEFF_Pos            (6U)                           
+#define USB_OTG_GINTSTS_GINAKEFF_Pos            (6U)
 #define USB_OTG_GINTSTS_GINAKEFF_Msk            (0x1UL << USB_OTG_GINTSTS_GINAKEFF_Pos) /*!< 0x00000040 */
 #define USB_OTG_GINTSTS_GINAKEFF                USB_OTG_GINTSTS_GINAKEFF_Msk   /*!< Global IN nonperiodic NAK effective */
-#define USB_OTG_GINTSTS_BOUTNAKEFF_Pos          (7U)                           
+#define USB_OTG_GINTSTS_BOUTNAKEFF_Pos          (7U)
 #define USB_OTG_GINTSTS_BOUTNAKEFF_Msk          (0x1UL << USB_OTG_GINTSTS_BOUTNAKEFF_Pos) /*!< 0x00000080 */
 #define USB_OTG_GINTSTS_BOUTNAKEFF              USB_OTG_GINTSTS_BOUTNAKEFF_Msk /*!< Global OUT NAK effective */
-#define USB_OTG_GINTSTS_ESUSP_Pos               (10U)                          
+#define USB_OTG_GINTSTS_ESUSP_Pos               (10U)
 #define USB_OTG_GINTSTS_ESUSP_Msk               (0x1UL << USB_OTG_GINTSTS_ESUSP_Pos) /*!< 0x00000400 */
 #define USB_OTG_GINTSTS_ESUSP                   USB_OTG_GINTSTS_ESUSP_Msk      /*!< Early suspend */
-#define USB_OTG_GINTSTS_USBSUSP_Pos             (11U)                          
+#define USB_OTG_GINTSTS_USBSUSP_Pos             (11U)
 #define USB_OTG_GINTSTS_USBSUSP_Msk             (0x1UL << USB_OTG_GINTSTS_USBSUSP_Pos) /*!< 0x00000800 */
 #define USB_OTG_GINTSTS_USBSUSP                 USB_OTG_GINTSTS_USBSUSP_Msk    /*!< USB suspend */
-#define USB_OTG_GINTSTS_USBRST_Pos              (12U)                          
+#define USB_OTG_GINTSTS_USBRST_Pos              (12U)
 #define USB_OTG_GINTSTS_USBRST_Msk              (0x1UL << USB_OTG_GINTSTS_USBRST_Pos) /*!< 0x00001000 */
 #define USB_OTG_GINTSTS_USBRST                  USB_OTG_GINTSTS_USBRST_Msk     /*!< USB reset */
-#define USB_OTG_GINTSTS_ENUMDNE_Pos             (13U)                          
+#define USB_OTG_GINTSTS_ENUMDNE_Pos             (13U)
 #define USB_OTG_GINTSTS_ENUMDNE_Msk             (0x1UL << USB_OTG_GINTSTS_ENUMDNE_Pos) /*!< 0x00002000 */
 #define USB_OTG_GINTSTS_ENUMDNE                 USB_OTG_GINTSTS_ENUMDNE_Msk    /*!< Enumeration done */
-#define USB_OTG_GINTSTS_ISOODRP_Pos             (14U)                          
+#define USB_OTG_GINTSTS_ISOODRP_Pos             (14U)
 #define USB_OTG_GINTSTS_ISOODRP_Msk             (0x1UL << USB_OTG_GINTSTS_ISOODRP_Pos) /*!< 0x00004000 */
 #define USB_OTG_GINTSTS_ISOODRP                 USB_OTG_GINTSTS_ISOODRP_Msk    /*!< Isochronous OUT packet dropped interrupt */
-#define USB_OTG_GINTSTS_EOPF_Pos                (15U)                          
+#define USB_OTG_GINTSTS_EOPF_Pos                (15U)
 #define USB_OTG_GINTSTS_EOPF_Msk                (0x1UL << USB_OTG_GINTSTS_EOPF_Pos) /*!< 0x00008000 */
 #define USB_OTG_GINTSTS_EOPF                    USB_OTG_GINTSTS_EOPF_Msk       /*!< End of periodic frame interrupt */
-#define USB_OTG_GINTSTS_IEPINT_Pos              (18U)                          
+#define USB_OTG_GINTSTS_IEPINT_Pos              (18U)
 #define USB_OTG_GINTSTS_IEPINT_Msk              (0x1UL << USB_OTG_GINTSTS_IEPINT_Pos) /*!< 0x00040000 */
 #define USB_OTG_GINTSTS_IEPINT                  USB_OTG_GINTSTS_IEPINT_Msk     /*!< IN endpoint interrupt */
-#define USB_OTG_GINTSTS_OEPINT_Pos              (19U)                          
+#define USB_OTG_GINTSTS_OEPINT_Pos              (19U)
 #define USB_OTG_GINTSTS_OEPINT_Msk              (0x1UL << USB_OTG_GINTSTS_OEPINT_Pos) /*!< 0x00080000 */
 #define USB_OTG_GINTSTS_OEPINT                  USB_OTG_GINTSTS_OEPINT_Msk     /*!< OUT endpoint interrupt */
-#define USB_OTG_GINTSTS_IISOIXFR_Pos            (20U)                          
+#define USB_OTG_GINTSTS_IISOIXFR_Pos            (20U)
 #define USB_OTG_GINTSTS_IISOIXFR_Msk            (0x1UL << USB_OTG_GINTSTS_IISOIXFR_Pos) /*!< 0x00100000 */
 #define USB_OTG_GINTSTS_IISOIXFR                USB_OTG_GINTSTS_IISOIXFR_Msk   /*!< Incomplete isochronous IN transfer */
-#define USB_OTG_GINTSTS_PXFR_INCOMPISOOUT_Pos   (21U)                          
+#define USB_OTG_GINTSTS_PXFR_INCOMPISOOUT_Pos   (21U)
 #define USB_OTG_GINTSTS_PXFR_INCOMPISOOUT_Msk   (0x1UL << USB_OTG_GINTSTS_PXFR_INCOMPISOOUT_Pos) /*!< 0x00200000 */
 #define USB_OTG_GINTSTS_PXFR_INCOMPISOOUT       USB_OTG_GINTSTS_PXFR_INCOMPISOOUT_Msk /*!< Incomplete periodic transfer */
-#define USB_OTG_GINTSTS_DATAFSUSP_Pos           (22U)                          
+#define USB_OTG_GINTSTS_DATAFSUSP_Pos           (22U)
 #define USB_OTG_GINTSTS_DATAFSUSP_Msk           (0x1UL << USB_OTG_GINTSTS_DATAFSUSP_Pos) /*!< 0x00400000 */
 #define USB_OTG_GINTSTS_DATAFSUSP               USB_OTG_GINTSTS_DATAFSUSP_Msk  /*!< Data fetch suspended */
-#define USB_OTG_GINTSTS_HPRTINT_Pos             (24U)                          
+#define USB_OTG_GINTSTS_HPRTINT_Pos             (24U)
 #define USB_OTG_GINTSTS_HPRTINT_Msk             (0x1UL << USB_OTG_GINTSTS_HPRTINT_Pos) /*!< 0x01000000 */
 #define USB_OTG_GINTSTS_HPRTINT                 USB_OTG_GINTSTS_HPRTINT_Msk    /*!< Host port interrupt */
-#define USB_OTG_GINTSTS_HCINT_Pos               (25U)                          
+#define USB_OTG_GINTSTS_HCINT_Pos               (25U)
 #define USB_OTG_GINTSTS_HCINT_Msk               (0x1UL << USB_OTG_GINTSTS_HCINT_Pos) /*!< 0x02000000 */
 #define USB_OTG_GINTSTS_HCINT                   USB_OTG_GINTSTS_HCINT_Msk      /*!< Host channels interrupt */
-#define USB_OTG_GINTSTS_PTXFE_Pos               (26U)                          
+#define USB_OTG_GINTSTS_PTXFE_Pos               (26U)
 #define USB_OTG_GINTSTS_PTXFE_Msk               (0x1UL << USB_OTG_GINTSTS_PTXFE_Pos) /*!< 0x04000000 */
 #define USB_OTG_GINTSTS_PTXFE                   USB_OTG_GINTSTS_PTXFE_Msk      /*!< Periodic TxFIFO empty */
-#define USB_OTG_GINTSTS_CIDSCHG_Pos             (28U)                          
+#define USB_OTG_GINTSTS_CIDSCHG_Pos             (28U)
 #define USB_OTG_GINTSTS_CIDSCHG_Msk             (0x1UL << USB_OTG_GINTSTS_CIDSCHG_Pos) /*!< 0x10000000 */
 #define USB_OTG_GINTSTS_CIDSCHG                 USB_OTG_GINTSTS_CIDSCHG_Msk    /*!< Connector ID status change */
-#define USB_OTG_GINTSTS_DISCINT_Pos             (29U)                          
+#define USB_OTG_GINTSTS_DISCINT_Pos             (29U)
 #define USB_OTG_GINTSTS_DISCINT_Msk             (0x1UL << USB_OTG_GINTSTS_DISCINT_Pos) /*!< 0x20000000 */
 #define USB_OTG_GINTSTS_DISCINT                 USB_OTG_GINTSTS_DISCINT_Msk    /*!< Disconnect detected interrupt */
-#define USB_OTG_GINTSTS_SRQINT_Pos              (30U)                          
+#define USB_OTG_GINTSTS_SRQINT_Pos              (30U)
 #define USB_OTG_GINTSTS_SRQINT_Msk              (0x1UL << USB_OTG_GINTSTS_SRQINT_Pos) /*!< 0x40000000 */
 #define USB_OTG_GINTSTS_SRQINT                  USB_OTG_GINTSTS_SRQINT_Msk     /*!< Session request/new session detected interrupt */
-#define USB_OTG_GINTSTS_WKUINT_Pos              (31U)                          
+#define USB_OTG_GINTSTS_WKUINT_Pos              (31U)
 #define USB_OTG_GINTSTS_WKUINT_Msk              (0x1UL << USB_OTG_GINTSTS_WKUINT_Pos) /*!< 0x80000000 */
 #define USB_OTG_GINTSTS_WKUINT                  USB_OTG_GINTSTS_WKUINT_Msk     /*!< Resume/remote wakeup detected interrupt */
 
 /********************  Bit definition for USB_OTG_GINTMSK register  ********************/
-#define USB_OTG_GINTMSK_MMISM_Pos               (1U)                           
+#define USB_OTG_GINTMSK_MMISM_Pos               (1U)
 #define USB_OTG_GINTMSK_MMISM_Msk               (0x1UL << USB_OTG_GINTMSK_MMISM_Pos) /*!< 0x00000002 */
 #define USB_OTG_GINTMSK_MMISM                   USB_OTG_GINTMSK_MMISM_Msk      /*!< Mode mismatch interrupt mask */
-#define USB_OTG_GINTMSK_OTGINT_Pos              (2U)                           
+#define USB_OTG_GINTMSK_OTGINT_Pos              (2U)
 #define USB_OTG_GINTMSK_OTGINT_Msk              (0x1UL << USB_OTG_GINTMSK_OTGINT_Pos) /*!< 0x00000004 */
 #define USB_OTG_GINTMSK_OTGINT                  USB_OTG_GINTMSK_OTGINT_Msk     /*!< OTG interrupt mask */
-#define USB_OTG_GINTMSK_SOFM_Pos                (3U)                           
+#define USB_OTG_GINTMSK_SOFM_Pos                (3U)
 #define USB_OTG_GINTMSK_SOFM_Msk                (0x1UL << USB_OTG_GINTMSK_SOFM_Pos) /*!< 0x00000008 */
 #define USB_OTG_GINTMSK_SOFM                    USB_OTG_GINTMSK_SOFM_Msk       /*!< Start of frame mask */
-#define USB_OTG_GINTMSK_RXFLVLM_Pos             (4U)                           
+#define USB_OTG_GINTMSK_RXFLVLM_Pos             (4U)
 #define USB_OTG_GINTMSK_RXFLVLM_Msk             (0x1UL << USB_OTG_GINTMSK_RXFLVLM_Pos) /*!< 0x00000010 */
 #define USB_OTG_GINTMSK_RXFLVLM                 USB_OTG_GINTMSK_RXFLVLM_Msk    /*!< Receive FIFO nonempty mask */
-#define USB_OTG_GINTMSK_NPTXFEM_Pos             (5U)                           
+#define USB_OTG_GINTMSK_NPTXFEM_Pos             (5U)
 #define USB_OTG_GINTMSK_NPTXFEM_Msk             (0x1UL << USB_OTG_GINTMSK_NPTXFEM_Pos) /*!< 0x00000020 */
 #define USB_OTG_GINTMSK_NPTXFEM                 USB_OTG_GINTMSK_NPTXFEM_Msk    /*!< Nonperiodic TxFIFO empty mask */
-#define USB_OTG_GINTMSK_GINAKEFFM_Pos           (6U)                           
+#define USB_OTG_GINTMSK_GINAKEFFM_Pos           (6U)
 #define USB_OTG_GINTMSK_GINAKEFFM_Msk           (0x1UL << USB_OTG_GINTMSK_GINAKEFFM_Pos) /*!< 0x00000040 */
 #define USB_OTG_GINTMSK_GINAKEFFM               USB_OTG_GINTMSK_GINAKEFFM_Msk  /*!< Global nonperiodic IN NAK effective mask */
-#define USB_OTG_GINTMSK_GONAKEFFM_Pos           (7U)                           
+#define USB_OTG_GINTMSK_GONAKEFFM_Pos           (7U)
 #define USB_OTG_GINTMSK_GONAKEFFM_Msk           (0x1UL << USB_OTG_GINTMSK_GONAKEFFM_Pos) /*!< 0x00000080 */
 #define USB_OTG_GINTMSK_GONAKEFFM               USB_OTG_GINTMSK_GONAKEFFM_Msk  /*!< Global OUT NAK effective mask */
-#define USB_OTG_GINTMSK_ESUSPM_Pos              (10U)                          
+#define USB_OTG_GINTMSK_ESUSPM_Pos              (10U)
 #define USB_OTG_GINTMSK_ESUSPM_Msk              (0x1UL << USB_OTG_GINTMSK_ESUSPM_Pos) /*!< 0x00000400 */
 #define USB_OTG_GINTMSK_ESUSPM                  USB_OTG_GINTMSK_ESUSPM_Msk     /*!< Early suspend mask */
-#define USB_OTG_GINTMSK_USBSUSPM_Pos            (11U)                          
+#define USB_OTG_GINTMSK_USBSUSPM_Pos            (11U)
 #define USB_OTG_GINTMSK_USBSUSPM_Msk            (0x1UL << USB_OTG_GINTMSK_USBSUSPM_Pos) /*!< 0x00000800 */
 #define USB_OTG_GINTMSK_USBSUSPM                USB_OTG_GINTMSK_USBSUSPM_Msk   /*!< USB suspend mask */
-#define USB_OTG_GINTMSK_USBRST_Pos              (12U)                          
+#define USB_OTG_GINTMSK_USBRST_Pos              (12U)
 #define USB_OTG_GINTMSK_USBRST_Msk              (0x1UL << USB_OTG_GINTMSK_USBRST_Pos) /*!< 0x00001000 */
 #define USB_OTG_GINTMSK_USBRST                  USB_OTG_GINTMSK_USBRST_Msk     /*!< USB reset mask */
-#define USB_OTG_GINTMSK_ENUMDNEM_Pos            (13U)                          
+#define USB_OTG_GINTMSK_ENUMDNEM_Pos            (13U)
 #define USB_OTG_GINTMSK_ENUMDNEM_Msk            (0x1UL << USB_OTG_GINTMSK_ENUMDNEM_Pos) /*!< 0x00002000 */
 #define USB_OTG_GINTMSK_ENUMDNEM                USB_OTG_GINTMSK_ENUMDNEM_Msk   /*!< Enumeration done mask */
-#define USB_OTG_GINTMSK_ISOODRPM_Pos            (14U)                          
+#define USB_OTG_GINTMSK_ISOODRPM_Pos            (14U)
 #define USB_OTG_GINTMSK_ISOODRPM_Msk            (0x1UL << USB_OTG_GINTMSK_ISOODRPM_Pos) /*!< 0x00004000 */
 #define USB_OTG_GINTMSK_ISOODRPM                USB_OTG_GINTMSK_ISOODRPM_Msk   /*!< Isochronous OUT packet dropped interrupt mask */
-#define USB_OTG_GINTMSK_EOPFM_Pos               (15U)                          
+#define USB_OTG_GINTMSK_EOPFM_Pos               (15U)
 #define USB_OTG_GINTMSK_EOPFM_Msk               (0x1UL << USB_OTG_GINTMSK_EOPFM_Pos) /*!< 0x00008000 */
 #define USB_OTG_GINTMSK_EOPFM                   USB_OTG_GINTMSK_EOPFM_Msk      /*!< End of periodic frame interrupt mask */
-#define USB_OTG_GINTMSK_EPMISM_Pos              (17U)                          
+#define USB_OTG_GINTMSK_EPMISM_Pos              (17U)
 #define USB_OTG_GINTMSK_EPMISM_Msk              (0x1UL << USB_OTG_GINTMSK_EPMISM_Pos) /*!< 0x00020000 */
 #define USB_OTG_GINTMSK_EPMISM                  USB_OTG_GINTMSK_EPMISM_Msk     /*!< Endpoint mismatch interrupt mask */
-#define USB_OTG_GINTMSK_IEPINT_Pos              (18U)                          
+#define USB_OTG_GINTMSK_IEPINT_Pos              (18U)
 #define USB_OTG_GINTMSK_IEPINT_Msk              (0x1UL << USB_OTG_GINTMSK_IEPINT_Pos) /*!< 0x00040000 */
 #define USB_OTG_GINTMSK_IEPINT                  USB_OTG_GINTMSK_IEPINT_Msk     /*!< IN endpoints interrupt mask */
-#define USB_OTG_GINTMSK_OEPINT_Pos              (19U)                          
+#define USB_OTG_GINTMSK_OEPINT_Pos              (19U)
 #define USB_OTG_GINTMSK_OEPINT_Msk              (0x1UL << USB_OTG_GINTMSK_OEPINT_Pos) /*!< 0x00080000 */
 #define USB_OTG_GINTMSK_OEPINT                  USB_OTG_GINTMSK_OEPINT_Msk     /*!< OUT endpoints interrupt mask */
-#define USB_OTG_GINTMSK_IISOIXFRM_Pos           (20U)                          
+#define USB_OTG_GINTMSK_IISOIXFRM_Pos           (20U)
 #define USB_OTG_GINTMSK_IISOIXFRM_Msk           (0x1UL << USB_OTG_GINTMSK_IISOIXFRM_Pos) /*!< 0x00100000 */
 #define USB_OTG_GINTMSK_IISOIXFRM               USB_OTG_GINTMSK_IISOIXFRM_Msk  /*!< Incomplete isochronous IN transfer mask */
-#define USB_OTG_GINTMSK_PXFRM_IISOOXFRM_Pos     (21U)                          
+#define USB_OTG_GINTMSK_PXFRM_IISOOXFRM_Pos     (21U)
 #define USB_OTG_GINTMSK_PXFRM_IISOOXFRM_Msk     (0x1UL << USB_OTG_GINTMSK_PXFRM_IISOOXFRM_Pos) /*!< 0x00200000 */
 #define USB_OTG_GINTMSK_PXFRM_IISOOXFRM         USB_OTG_GINTMSK_PXFRM_IISOOXFRM_Msk /*!< Incomplete periodic transfer mask */
-#define USB_OTG_GINTMSK_FSUSPM_Pos              (22U)                          
+#define USB_OTG_GINTMSK_FSUSPM_Pos              (22U)
 #define USB_OTG_GINTMSK_FSUSPM_Msk              (0x1UL << USB_OTG_GINTMSK_FSUSPM_Pos) /*!< 0x00400000 */
 #define USB_OTG_GINTMSK_FSUSPM                  USB_OTG_GINTMSK_FSUSPM_Msk     /*!< Data fetch suspended mask */
-#define USB_OTG_GINTMSK_PRTIM_Pos               (24U)                          
+#define USB_OTG_GINTMSK_PRTIM_Pos               (24U)
 #define USB_OTG_GINTMSK_PRTIM_Msk               (0x1UL << USB_OTG_GINTMSK_PRTIM_Pos) /*!< 0x01000000 */
 #define USB_OTG_GINTMSK_PRTIM                   USB_OTG_GINTMSK_PRTIM_Msk      /*!< Host port interrupt mask */
-#define USB_OTG_GINTMSK_HCIM_Pos                (25U)                          
+#define USB_OTG_GINTMSK_HCIM_Pos                (25U)
 #define USB_OTG_GINTMSK_HCIM_Msk                (0x1UL << USB_OTG_GINTMSK_HCIM_Pos) /*!< 0x02000000 */
 #define USB_OTG_GINTMSK_HCIM                    USB_OTG_GINTMSK_HCIM_Msk       /*!< Host channels interrupt mask */
-#define USB_OTG_GINTMSK_PTXFEM_Pos              (26U)                          
+#define USB_OTG_GINTMSK_PTXFEM_Pos              (26U)
 #define USB_OTG_GINTMSK_PTXFEM_Msk              (0x1UL << USB_OTG_GINTMSK_PTXFEM_Pos) /*!< 0x04000000 */
 #define USB_OTG_GINTMSK_PTXFEM                  USB_OTG_GINTMSK_PTXFEM_Msk     /*!< Periodic TxFIFO empty mask */
-#define USB_OTG_GINTMSK_CIDSCHGM_Pos            (28U)                          
+#define USB_OTG_GINTMSK_CIDSCHGM_Pos            (28U)
 #define USB_OTG_GINTMSK_CIDSCHGM_Msk            (0x1UL << USB_OTG_GINTMSK_CIDSCHGM_Pos) /*!< 0x10000000 */
 #define USB_OTG_GINTMSK_CIDSCHGM                USB_OTG_GINTMSK_CIDSCHGM_Msk   /*!< Connector ID status change mask */
-#define USB_OTG_GINTMSK_DISCINT_Pos             (29U)                          
+#define USB_OTG_GINTMSK_DISCINT_Pos             (29U)
 #define USB_OTG_GINTMSK_DISCINT_Msk             (0x1UL << USB_OTG_GINTMSK_DISCINT_Pos) /*!< 0x20000000 */
 #define USB_OTG_GINTMSK_DISCINT                 USB_OTG_GINTMSK_DISCINT_Msk    /*!< Disconnect detected interrupt mask */
-#define USB_OTG_GINTMSK_SRQIM_Pos               (30U)                          
+#define USB_OTG_GINTMSK_SRQIM_Pos               (30U)
 #define USB_OTG_GINTMSK_SRQIM_Msk               (0x1UL << USB_OTG_GINTMSK_SRQIM_Pos) /*!< 0x40000000 */
 #define USB_OTG_GINTMSK_SRQIM                   USB_OTG_GINTMSK_SRQIM_Msk      /*!< Session request/new session detected interrupt mask */
-#define USB_OTG_GINTMSK_WUIM_Pos                (31U)                          
+#define USB_OTG_GINTMSK_WUIM_Pos                (31U)
 #define USB_OTG_GINTMSK_WUIM_Msk                (0x1UL << USB_OTG_GINTMSK_WUIM_Pos) /*!< 0x80000000 */
 #define USB_OTG_GINTMSK_WUIM                    USB_OTG_GINTMSK_WUIM_Msk       /*!< Resume/remote wakeup detected interrupt mask */
 
 /********************  Bit definition for USB_OTG_DAINT register  ********************/
-#define USB_OTG_DAINT_IEPINT_Pos                (0U)                           
+#define USB_OTG_DAINT_IEPINT_Pos                (0U)
 #define USB_OTG_DAINT_IEPINT_Msk                (0xFFFFUL << USB_OTG_DAINT_IEPINT_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_DAINT_IEPINT                    USB_OTG_DAINT_IEPINT_Msk       /*!< IN endpoint interrupt bits */
-#define USB_OTG_DAINT_OEPINT_Pos                (16U)                          
+#define USB_OTG_DAINT_OEPINT_Pos                (16U)
 #define USB_OTG_DAINT_OEPINT_Msk                (0xFFFFUL << USB_OTG_DAINT_OEPINT_Pos) /*!< 0xFFFF0000 */
 #define USB_OTG_DAINT_OEPINT                    USB_OTG_DAINT_OEPINT_Msk       /*!< OUT endpoint interrupt bits */
 
 /********************  Bit definition for USB_OTG_HAINTMSK register  ********************/
-#define USB_OTG_HAINTMSK_HAINTM_Pos             (0U)                           
+#define USB_OTG_HAINTMSK_HAINTM_Pos             (0U)
 #define USB_OTG_HAINTMSK_HAINTM_Msk             (0xFFFFUL << USB_OTG_HAINTMSK_HAINTM_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_HAINTMSK_HAINTM                 USB_OTG_HAINTMSK_HAINTM_Msk    /*!< Channel interrupt mask */
 
 /********************  Bit definition for USB_OTG_GRXSTSP register  ********************/
-#define USB_OTG_GRXSTSP_EPNUM_Pos               (0U)                           
+#define USB_OTG_GRXSTSP_EPNUM_Pos               (0U)
 #define USB_OTG_GRXSTSP_EPNUM_Msk               (0xFUL << USB_OTG_GRXSTSP_EPNUM_Pos) /*!< 0x0000000F */
 #define USB_OTG_GRXSTSP_EPNUM                   USB_OTG_GRXSTSP_EPNUM_Msk      /*!< IN EP interrupt mask bits */
-#define USB_OTG_GRXSTSP_BCNT_Pos                (4U)                           
+#define USB_OTG_GRXSTSP_BCNT_Pos                (4U)
 #define USB_OTG_GRXSTSP_BCNT_Msk                (0x7FFUL << USB_OTG_GRXSTSP_BCNT_Pos) /*!< 0x00007FF0 */
 #define USB_OTG_GRXSTSP_BCNT                    USB_OTG_GRXSTSP_BCNT_Msk       /*!< OUT EP interrupt mask bits */
-#define USB_OTG_GRXSTSP_DPID_Pos                (15U)                          
+#define USB_OTG_GRXSTSP_DPID_Pos                (15U)
 #define USB_OTG_GRXSTSP_DPID_Msk                (0x3UL << USB_OTG_GRXSTSP_DPID_Pos) /*!< 0x00018000 */
 #define USB_OTG_GRXSTSP_DPID                    USB_OTG_GRXSTSP_DPID_Msk       /*!< OUT EP interrupt mask bits */
-#define USB_OTG_GRXSTSP_PKTSTS_Pos              (17U)                          
+#define USB_OTG_GRXSTSP_PKTSTS_Pos              (17U)
 #define USB_OTG_GRXSTSP_PKTSTS_Msk              (0xFUL << USB_OTG_GRXSTSP_PKTSTS_Pos) /*!< 0x001E0000 */
 #define USB_OTG_GRXSTSP_PKTSTS                  USB_OTG_GRXSTSP_PKTSTS_Msk     /*!< OUT EP interrupt mask bits */
 
 /********************  Bit definition for USB_OTG_DAINTMSK register  ********************/
-#define USB_OTG_DAINTMSK_IEPM_Pos               (0U)                           
+#define USB_OTG_DAINTMSK_IEPM_Pos               (0U)
 #define USB_OTG_DAINTMSK_IEPM_Msk               (0xFFFFUL << USB_OTG_DAINTMSK_IEPM_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_DAINTMSK_IEPM                   USB_OTG_DAINTMSK_IEPM_Msk      /*!< IN EP interrupt mask bits */
-#define USB_OTG_DAINTMSK_OEPM_Pos               (16U)                          
+#define USB_OTG_DAINTMSK_OEPM_Pos               (16U)
 #define USB_OTG_DAINTMSK_OEPM_Msk               (0xFFFFUL << USB_OTG_DAINTMSK_OEPM_Pos) /*!< 0xFFFF0000 */
 #define USB_OTG_DAINTMSK_OEPM                   USB_OTG_DAINTMSK_OEPM_Msk      /*!< OUT EP interrupt mask bits */
 
 /********************  Bit definition for USB_OTG_GRXFSIZ register  ********************/
-#define USB_OTG_GRXFSIZ_RXFD_Pos                (0U)                           
+#define USB_OTG_GRXFSIZ_RXFD_Pos                (0U)
 #define USB_OTG_GRXFSIZ_RXFD_Msk                (0xFFFFUL << USB_OTG_GRXFSIZ_RXFD_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_GRXFSIZ_RXFD                    USB_OTG_GRXFSIZ_RXFD_Msk       /*!< RxFIFO depth */
 
 /********************  Bit definition for USB_OTG_DVBUSDIS register  ********************/
-#define USB_OTG_DVBUSDIS_VBUSDT_Pos             (0U)                           
+#define USB_OTG_DVBUSDIS_VBUSDT_Pos             (0U)
 #define USB_OTG_DVBUSDIS_VBUSDT_Msk             (0xFFFFUL << USB_OTG_DVBUSDIS_VBUSDT_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_DVBUSDIS_VBUSDT                 USB_OTG_DVBUSDIS_VBUSDT_Msk    /*!< Device VBUS discharge time */
 
 /********************  Bit definition for OTG register  ********************/
-#define USB_OTG_NPTXFSA_Pos                     (0U)                           
+#define USB_OTG_NPTXFSA_Pos                     (0U)
 #define USB_OTG_NPTXFSA_Msk                     (0xFFFFUL << USB_OTG_NPTXFSA_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_NPTXFSA                         USB_OTG_NPTXFSA_Msk            /*!< Nonperiodic transmit RAM start address */
-#define USB_OTG_NPTXFD_Pos                      (16U)                          
+#define USB_OTG_NPTXFD_Pos                      (16U)
 #define USB_OTG_NPTXFD_Msk                      (0xFFFFUL << USB_OTG_NPTXFD_Pos) /*!< 0xFFFF0000 */
 #define USB_OTG_NPTXFD                          USB_OTG_NPTXFD_Msk             /*!< Nonperiodic TxFIFO depth */
-#define USB_OTG_TX0FSA_Pos                      (0U)                           
+#define USB_OTG_TX0FSA_Pos                      (0U)
 #define USB_OTG_TX0FSA_Msk                      (0xFFFFUL << USB_OTG_TX0FSA_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_TX0FSA                          USB_OTG_TX0FSA_Msk             /*!< Endpoint 0 transmit RAM start address */
-#define USB_OTG_TX0FD_Pos                       (16U)                          
+#define USB_OTG_TX0FD_Pos                       (16U)
 #define USB_OTG_TX0FD_Msk                       (0xFFFFUL << USB_OTG_TX0FD_Pos) /*!< 0xFFFF0000 */
 #define USB_OTG_TX0FD                           USB_OTG_TX0FD_Msk              /*!< Endpoint 0 TxFIFO depth */
 
 /********************  Bit definition for USB_OTG_DVBUSPULSE register  ********************/
-#define USB_OTG_DVBUSPULSE_DVBUSP_Pos           (0U)                           
+#define USB_OTG_DVBUSPULSE_DVBUSP_Pos           (0U)
 #define USB_OTG_DVBUSPULSE_DVBUSP_Msk           (0xFFFUL << USB_OTG_DVBUSPULSE_DVBUSP_Pos) /*!< 0x00000FFF */
 #define USB_OTG_DVBUSPULSE_DVBUSP               USB_OTG_DVBUSPULSE_DVBUSP_Msk  /*!< Device VBUS pulsing time */
 
 /********************  Bit definition for USB_OTG_GNPTXSTS register  ********************/
-#define USB_OTG_GNPTXSTS_NPTXFSAV_Pos           (0U)                           
+#define USB_OTG_GNPTXSTS_NPTXFSAV_Pos           (0U)
 #define USB_OTG_GNPTXSTS_NPTXFSAV_Msk           (0xFFFFUL << USB_OTG_GNPTXSTS_NPTXFSAV_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_GNPTXSTS_NPTXFSAV               USB_OTG_GNPTXSTS_NPTXFSAV_Msk  /*!< Nonperiodic TxFIFO space available */
 
-#define USB_OTG_GNPTXSTS_NPTQXSAV_Pos           (16U)                          
+#define USB_OTG_GNPTXSTS_NPTQXSAV_Pos           (16U)
 #define USB_OTG_GNPTXSTS_NPTQXSAV_Msk           (0xFFUL << USB_OTG_GNPTXSTS_NPTQXSAV_Pos) /*!< 0x00FF0000 */
 #define USB_OTG_GNPTXSTS_NPTQXSAV               USB_OTG_GNPTXSTS_NPTQXSAV_Msk  /*!< Nonperiodic transmit request queue space available */
 #define USB_OTG_GNPTXSTS_NPTQXSAV_0             (0x01UL << USB_OTG_GNPTXSTS_NPTQXSAV_Pos) /*!< 0x00010000 */
@@ -806,7 +806,7 @@ typedef struct
 #define USB_OTG_GNPTXSTS_NPTQXSAV_6             (0x40UL << USB_OTG_GNPTXSTS_NPTQXSAV_Pos) /*!< 0x00400000 */
 #define USB_OTG_GNPTXSTS_NPTQXSAV_7             (0x80UL << USB_OTG_GNPTXSTS_NPTQXSAV_Pos) /*!< 0x00800000 */
 
-#define USB_OTG_GNPTXSTS_NPTXQTOP_Pos           (24U)                          
+#define USB_OTG_GNPTXSTS_NPTXQTOP_Pos           (24U)
 #define USB_OTG_GNPTXSTS_NPTXQTOP_Msk           (0x7FUL << USB_OTG_GNPTXSTS_NPTXQTOP_Pos) /*!< 0x7F000000 */
 #define USB_OTG_GNPTXSTS_NPTXQTOP               USB_OTG_GNPTXSTS_NPTXQTOP_Msk  /*!< Top of the nonperiodic transmit request queue */
 #define USB_OTG_GNPTXSTS_NPTXQTOP_0             (0x01UL << USB_OTG_GNPTXSTS_NPTXQTOP_Pos) /*!< 0x01000000 */
@@ -818,14 +818,14 @@ typedef struct
 #define USB_OTG_GNPTXSTS_NPTXQTOP_6             (0x40UL << USB_OTG_GNPTXSTS_NPTXQTOP_Pos) /*!< 0x40000000 */
 
 /********************  Bit definition for USB_OTG_DTHRCTL register  ********************/
-#define USB_OTG_DTHRCTL_NONISOTHREN_Pos         (0U)                           
+#define USB_OTG_DTHRCTL_NONISOTHREN_Pos         (0U)
 #define USB_OTG_DTHRCTL_NONISOTHREN_Msk         (0x1UL << USB_OTG_DTHRCTL_NONISOTHREN_Pos) /*!< 0x00000001 */
 #define USB_OTG_DTHRCTL_NONISOTHREN             USB_OTG_DTHRCTL_NONISOTHREN_Msk /*!< Nonisochronous IN endpoints threshold enable */
-#define USB_OTG_DTHRCTL_ISOTHREN_Pos            (1U)                           
+#define USB_OTG_DTHRCTL_ISOTHREN_Pos            (1U)
 #define USB_OTG_DTHRCTL_ISOTHREN_Msk            (0x1UL << USB_OTG_DTHRCTL_ISOTHREN_Pos) /*!< 0x00000002 */
 #define USB_OTG_DTHRCTL_ISOTHREN                USB_OTG_DTHRCTL_ISOTHREN_Msk   /*!< ISO IN endpoint threshold enable */
 
-#define USB_OTG_DTHRCTL_TXTHRLEN_Pos            (2U)                           
+#define USB_OTG_DTHRCTL_TXTHRLEN_Pos            (2U)
 #define USB_OTG_DTHRCTL_TXTHRLEN_Msk            (0x1FFUL << USB_OTG_DTHRCTL_TXTHRLEN_Pos) /*!< 0x000007FC */
 #define USB_OTG_DTHRCTL_TXTHRLEN                USB_OTG_DTHRCTL_TXTHRLEN_Msk   /*!< Transmit threshold length */
 #define USB_OTG_DTHRCTL_TXTHRLEN_0              (0x001UL << USB_OTG_DTHRCTL_TXTHRLEN_Pos) /*!< 0x00000004 */
@@ -837,11 +837,11 @@ typedef struct
 #define USB_OTG_DTHRCTL_TXTHRLEN_6              (0x040UL << USB_OTG_DTHRCTL_TXTHRLEN_Pos) /*!< 0x00000100 */
 #define USB_OTG_DTHRCTL_TXTHRLEN_7              (0x080UL << USB_OTG_DTHRCTL_TXTHRLEN_Pos) /*!< 0x00000200 */
 #define USB_OTG_DTHRCTL_TXTHRLEN_8              (0x100UL << USB_OTG_DTHRCTL_TXTHRLEN_Pos) /*!< 0x00000400 */
-#define USB_OTG_DTHRCTL_RXTHREN_Pos             (16U)                          
+#define USB_OTG_DTHRCTL_RXTHREN_Pos             (16U)
 #define USB_OTG_DTHRCTL_RXTHREN_Msk             (0x1UL << USB_OTG_DTHRCTL_RXTHREN_Pos) /*!< 0x00010000 */
 #define USB_OTG_DTHRCTL_RXTHREN                 USB_OTG_DTHRCTL_RXTHREN_Msk    /*!< Receive threshold enable */
 
-#define USB_OTG_DTHRCTL_RXTHRLEN_Pos            (17U)                          
+#define USB_OTG_DTHRCTL_RXTHRLEN_Pos            (17U)
 #define USB_OTG_DTHRCTL_RXTHRLEN_Msk            (0x1FFUL << USB_OTG_DTHRCTL_RXTHRLEN_Pos) /*!< 0x03FE0000 */
 #define USB_OTG_DTHRCTL_RXTHRLEN                USB_OTG_DTHRCTL_RXTHRLEN_Msk   /*!< Receive threshold length */
 #define USB_OTG_DTHRCTL_RXTHRLEN_0              (0x001UL << USB_OTG_DTHRCTL_RXTHRLEN_Pos) /*!< 0x00020000 */
@@ -853,118 +853,118 @@ typedef struct
 #define USB_OTG_DTHRCTL_RXTHRLEN_6              (0x040UL << USB_OTG_DTHRCTL_RXTHRLEN_Pos) /*!< 0x00800000 */
 #define USB_OTG_DTHRCTL_RXTHRLEN_7              (0x080UL << USB_OTG_DTHRCTL_RXTHRLEN_Pos) /*!< 0x01000000 */
 #define USB_OTG_DTHRCTL_RXTHRLEN_8              (0x100UL << USB_OTG_DTHRCTL_RXTHRLEN_Pos) /*!< 0x02000000 */
-#define USB_OTG_DTHRCTL_ARPEN_Pos               (27U)                          
+#define USB_OTG_DTHRCTL_ARPEN_Pos               (27U)
 #define USB_OTG_DTHRCTL_ARPEN_Msk               (0x1UL << USB_OTG_DTHRCTL_ARPEN_Pos) /*!< 0x08000000 */
 #define USB_OTG_DTHRCTL_ARPEN                   USB_OTG_DTHRCTL_ARPEN_Msk      /*!< Arbiter parking enable */
 
 /********************  Bit definition for USB_OTG_DIEPEMPMSK register  ********************/
-#define USB_OTG_DIEPEMPMSK_INEPTXFEM_Pos        (0U)                           
+#define USB_OTG_DIEPEMPMSK_INEPTXFEM_Pos        (0U)
 #define USB_OTG_DIEPEMPMSK_INEPTXFEM_Msk        (0xFFFFUL << USB_OTG_DIEPEMPMSK_INEPTXFEM_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_DIEPEMPMSK_INEPTXFEM            USB_OTG_DIEPEMPMSK_INEPTXFEM_Msk /*!< IN EP Tx FIFO empty interrupt mask bits */
 
 /********************  Bit definition for USB_OTG_DEACHINT register  ********************/
-#define USB_OTG_DEACHINT_IEP1INT_Pos            (1U)                           
+#define USB_OTG_DEACHINT_IEP1INT_Pos            (1U)
 #define USB_OTG_DEACHINT_IEP1INT_Msk            (0x1UL << USB_OTG_DEACHINT_IEP1INT_Pos) /*!< 0x00000002 */
 #define USB_OTG_DEACHINT_IEP1INT                USB_OTG_DEACHINT_IEP1INT_Msk   /*!< IN endpoint 1interrupt bit */
-#define USB_OTG_DEACHINT_OEP1INT_Pos            (17U)                          
+#define USB_OTG_DEACHINT_OEP1INT_Pos            (17U)
 #define USB_OTG_DEACHINT_OEP1INT_Msk            (0x1UL << USB_OTG_DEACHINT_OEP1INT_Pos) /*!< 0x00020000 */
 #define USB_OTG_DEACHINT_OEP1INT                USB_OTG_DEACHINT_OEP1INT_Msk   /*!< OUT endpoint 1 interrupt bit */
 
 /********************  Bit definition for USB_OTG_GCCFG register  ********************/
-#define USB_OTG_GCCFG_PWRDWN_Pos                (16U)                          
+#define USB_OTG_GCCFG_PWRDWN_Pos                (16U)
 #define USB_OTG_GCCFG_PWRDWN_Msk                (0x1UL << USB_OTG_GCCFG_PWRDWN_Pos) /*!< 0x00010000 */
 #define USB_OTG_GCCFG_PWRDWN                    USB_OTG_GCCFG_PWRDWN_Msk       /*!< Power down */
-#define USB_OTG_GCCFG_VBUSASEN_Pos              (18U)                          
+#define USB_OTG_GCCFG_VBUSASEN_Pos              (18U)
 #define USB_OTG_GCCFG_VBUSASEN_Msk              (0x1UL << USB_OTG_GCCFG_VBUSASEN_Pos) /*!< 0x00040000 */
 #define USB_OTG_GCCFG_VBUSASEN                  USB_OTG_GCCFG_VBUSASEN_Msk     /*!< Enable the VBUS sensing device */
-#define USB_OTG_GCCFG_VBUSBSEN_Pos              (19U)                          
+#define USB_OTG_GCCFG_VBUSBSEN_Pos              (19U)
 #define USB_OTG_GCCFG_VBUSBSEN_Msk              (0x1UL << USB_OTG_GCCFG_VBUSBSEN_Pos) /*!< 0x00080000 */
 #define USB_OTG_GCCFG_VBUSBSEN                  USB_OTG_GCCFG_VBUSBSEN_Msk     /*!< Enable the VBUS sensing device */
-#define USB_OTG_GCCFG_SOFOUTEN_Pos              (20U)                          
+#define USB_OTG_GCCFG_SOFOUTEN_Pos              (20U)
 #define USB_OTG_GCCFG_SOFOUTEN_Msk              (0x1UL << USB_OTG_GCCFG_SOFOUTEN_Pos) /*!< 0x00100000 */
 #define USB_OTG_GCCFG_SOFOUTEN                  USB_OTG_GCCFG_SOFOUTEN_Msk     /*!< SOF output enable */
 
 /********************  Bit definition for USB_OTG_DEACHINTMSK register  ********************/
-#define USB_OTG_DEACHINTMSK_IEP1INTM_Pos        (1U)                           
+#define USB_OTG_DEACHINTMSK_IEP1INTM_Pos        (1U)
 #define USB_OTG_DEACHINTMSK_IEP1INTM_Msk        (0x1UL << USB_OTG_DEACHINTMSK_IEP1INTM_Pos) /*!< 0x00000002 */
 #define USB_OTG_DEACHINTMSK_IEP1INTM            USB_OTG_DEACHINTMSK_IEP1INTM_Msk /*!< IN Endpoint 1 interrupt mask bit */
-#define USB_OTG_DEACHINTMSK_OEP1INTM_Pos        (17U)                          
+#define USB_OTG_DEACHINTMSK_OEP1INTM_Pos        (17U)
 #define USB_OTG_DEACHINTMSK_OEP1INTM_Msk        (0x1UL << USB_OTG_DEACHINTMSK_OEP1INTM_Pos) /*!< 0x00020000 */
 #define USB_OTG_DEACHINTMSK_OEP1INTM            USB_OTG_DEACHINTMSK_OEP1INTM_Msk /*!< OUT Endpoint 1 interrupt mask bit */
 
 /********************  Bit definition for USB_OTG_CID register  ********************/
-#define USB_OTG_CID_PRODUCT_ID_Pos              (0U)                           
+#define USB_OTG_CID_PRODUCT_ID_Pos              (0U)
 #define USB_OTG_CID_PRODUCT_ID_Msk              (0xFFFFFFFFUL << USB_OTG_CID_PRODUCT_ID_Pos) /*!< 0xFFFFFFFF */
 #define USB_OTG_CID_PRODUCT_ID                  USB_OTG_CID_PRODUCT_ID_Msk     /*!< Product ID field */
 
 /********************  Bit definition for USB_OTG_DIEPEACHMSK1 register  ********************/
-#define USB_OTG_DIEPEACHMSK1_XFRCM_Pos          (0U)                           
+#define USB_OTG_DIEPEACHMSK1_XFRCM_Pos          (0U)
 #define USB_OTG_DIEPEACHMSK1_XFRCM_Msk          (0x1UL << USB_OTG_DIEPEACHMSK1_XFRCM_Pos) /*!< 0x00000001 */
 #define USB_OTG_DIEPEACHMSK1_XFRCM              USB_OTG_DIEPEACHMSK1_XFRCM_Msk /*!< Transfer completed interrupt mask */
-#define USB_OTG_DIEPEACHMSK1_EPDM_Pos           (1U)                           
+#define USB_OTG_DIEPEACHMSK1_EPDM_Pos           (1U)
 #define USB_OTG_DIEPEACHMSK1_EPDM_Msk           (0x1UL << USB_OTG_DIEPEACHMSK1_EPDM_Pos) /*!< 0x00000002 */
 #define USB_OTG_DIEPEACHMSK1_EPDM               USB_OTG_DIEPEACHMSK1_EPDM_Msk  /*!< Endpoint disabled interrupt mask */
-#define USB_OTG_DIEPEACHMSK1_TOM_Pos            (3U)                           
+#define USB_OTG_DIEPEACHMSK1_TOM_Pos            (3U)
 #define USB_OTG_DIEPEACHMSK1_TOM_Msk            (0x1UL << USB_OTG_DIEPEACHMSK1_TOM_Pos) /*!< 0x00000008 */
 #define USB_OTG_DIEPEACHMSK1_TOM                USB_OTG_DIEPEACHMSK1_TOM_Msk   /*!< Timeout condition mask (nonisochronous endpoints) */
-#define USB_OTG_DIEPEACHMSK1_ITTXFEMSK_Pos      (4U)                           
+#define USB_OTG_DIEPEACHMSK1_ITTXFEMSK_Pos      (4U)
 #define USB_OTG_DIEPEACHMSK1_ITTXFEMSK_Msk      (0x1UL << USB_OTG_DIEPEACHMSK1_ITTXFEMSK_Pos) /*!< 0x00000010 */
 #define USB_OTG_DIEPEACHMSK1_ITTXFEMSK          USB_OTG_DIEPEACHMSK1_ITTXFEMSK_Msk /*!< IN token received when TxFIFO empty mask */
-#define USB_OTG_DIEPEACHMSK1_INEPNMM_Pos        (5U)                           
+#define USB_OTG_DIEPEACHMSK1_INEPNMM_Pos        (5U)
 #define USB_OTG_DIEPEACHMSK1_INEPNMM_Msk        (0x1UL << USB_OTG_DIEPEACHMSK1_INEPNMM_Pos) /*!< 0x00000020 */
 #define USB_OTG_DIEPEACHMSK1_INEPNMM            USB_OTG_DIEPEACHMSK1_INEPNMM_Msk /*!< IN token received with EP mismatch mask */
-#define USB_OTG_DIEPEACHMSK1_INEPNEM_Pos        (6U)                           
+#define USB_OTG_DIEPEACHMSK1_INEPNEM_Pos        (6U)
 #define USB_OTG_DIEPEACHMSK1_INEPNEM_Msk        (0x1UL << USB_OTG_DIEPEACHMSK1_INEPNEM_Pos) /*!< 0x00000040 */
 #define USB_OTG_DIEPEACHMSK1_INEPNEM            USB_OTG_DIEPEACHMSK1_INEPNEM_Msk /*!< IN endpoint NAK effective mask */
-#define USB_OTG_DIEPEACHMSK1_TXFURM_Pos         (8U)                           
+#define USB_OTG_DIEPEACHMSK1_TXFURM_Pos         (8U)
 #define USB_OTG_DIEPEACHMSK1_TXFURM_Msk         (0x1UL << USB_OTG_DIEPEACHMSK1_TXFURM_Pos) /*!< 0x00000100 */
 #define USB_OTG_DIEPEACHMSK1_TXFURM             USB_OTG_DIEPEACHMSK1_TXFURM_Msk /*!< FIFO underrun mask */
-#define USB_OTG_DIEPEACHMSK1_BIM_Pos            (9U)                           
+#define USB_OTG_DIEPEACHMSK1_BIM_Pos            (9U)
 #define USB_OTG_DIEPEACHMSK1_BIM_Msk            (0x1UL << USB_OTG_DIEPEACHMSK1_BIM_Pos) /*!< 0x00000200 */
 #define USB_OTG_DIEPEACHMSK1_BIM                USB_OTG_DIEPEACHMSK1_BIM_Msk   /*!< BNA interrupt mask */
-#define USB_OTG_DIEPEACHMSK1_NAKM_Pos           (13U)                          
+#define USB_OTG_DIEPEACHMSK1_NAKM_Pos           (13U)
 #define USB_OTG_DIEPEACHMSK1_NAKM_Msk           (0x1UL << USB_OTG_DIEPEACHMSK1_NAKM_Pos) /*!< 0x00002000 */
 #define USB_OTG_DIEPEACHMSK1_NAKM               USB_OTG_DIEPEACHMSK1_NAKM_Msk  /*!< NAK interrupt mask */
 
 /********************  Bit definition for USB_OTG_HPRT register  ********************/
-#define USB_OTG_HPRT_PCSTS_Pos                  (0U)                           
+#define USB_OTG_HPRT_PCSTS_Pos                  (0U)
 #define USB_OTG_HPRT_PCSTS_Msk                  (0x1UL << USB_OTG_HPRT_PCSTS_Pos) /*!< 0x00000001 */
 #define USB_OTG_HPRT_PCSTS                      USB_OTG_HPRT_PCSTS_Msk         /*!< Port connect status */
-#define USB_OTG_HPRT_PCDET_Pos                  (1U)                           
+#define USB_OTG_HPRT_PCDET_Pos                  (1U)
 #define USB_OTG_HPRT_PCDET_Msk                  (0x1UL << USB_OTG_HPRT_PCDET_Pos) /*!< 0x00000002 */
 #define USB_OTG_HPRT_PCDET                      USB_OTG_HPRT_PCDET_Msk         /*!< Port connect detected */
-#define USB_OTG_HPRT_PENA_Pos                   (2U)                           
+#define USB_OTG_HPRT_PENA_Pos                   (2U)
 #define USB_OTG_HPRT_PENA_Msk                   (0x1UL << USB_OTG_HPRT_PENA_Pos) /*!< 0x00000004 */
 #define USB_OTG_HPRT_PENA                       USB_OTG_HPRT_PENA_Msk          /*!< Port enable */
-#define USB_OTG_HPRT_PENCHNG_Pos                (3U)                           
+#define USB_OTG_HPRT_PENCHNG_Pos                (3U)
 #define USB_OTG_HPRT_PENCHNG_Msk                (0x1UL << USB_OTG_HPRT_PENCHNG_Pos) /*!< 0x00000008 */
 #define USB_OTG_HPRT_PENCHNG                    USB_OTG_HPRT_PENCHNG_Msk       /*!< Port enable/disable change */
-#define USB_OTG_HPRT_POCA_Pos                   (4U)                           
+#define USB_OTG_HPRT_POCA_Pos                   (4U)
 #define USB_OTG_HPRT_POCA_Msk                   (0x1UL << USB_OTG_HPRT_POCA_Pos) /*!< 0x00000010 */
 #define USB_OTG_HPRT_POCA                       USB_OTG_HPRT_POCA_Msk          /*!< Port overcurrent active */
-#define USB_OTG_HPRT_POCCHNG_Pos                (5U)                           
+#define USB_OTG_HPRT_POCCHNG_Pos                (5U)
 #define USB_OTG_HPRT_POCCHNG_Msk                (0x1UL << USB_OTG_HPRT_POCCHNG_Pos) /*!< 0x00000020 */
 #define USB_OTG_HPRT_POCCHNG                    USB_OTG_HPRT_POCCHNG_Msk       /*!< Port overcurrent change */
-#define USB_OTG_HPRT_PRES_Pos                   (6U)                           
+#define USB_OTG_HPRT_PRES_Pos                   (6U)
 #define USB_OTG_HPRT_PRES_Msk                   (0x1UL << USB_OTG_HPRT_PRES_Pos) /*!< 0x00000040 */
 #define USB_OTG_HPRT_PRES                       USB_OTG_HPRT_PRES_Msk          /*!< Port resume */
-#define USB_OTG_HPRT_PSUSP_Pos                  (7U)                           
+#define USB_OTG_HPRT_PSUSP_Pos                  (7U)
 #define USB_OTG_HPRT_PSUSP_Msk                  (0x1UL << USB_OTG_HPRT_PSUSP_Pos) /*!< 0x00000080 */
 #define USB_OTG_HPRT_PSUSP                      USB_OTG_HPRT_PSUSP_Msk         /*!< Port suspend */
-#define USB_OTG_HPRT_PRST_Pos                   (8U)                           
+#define USB_OTG_HPRT_PRST_Pos                   (8U)
 #define USB_OTG_HPRT_PRST_Msk                   (0x1UL << USB_OTG_HPRT_PRST_Pos) /*!< 0x00000100 */
 #define USB_OTG_HPRT_PRST                       USB_OTG_HPRT_PRST_Msk          /*!< Port reset */
 
-#define USB_OTG_HPRT_PLSTS_Pos                  (10U)                          
+#define USB_OTG_HPRT_PLSTS_Pos                  (10U)
 #define USB_OTG_HPRT_PLSTS_Msk                  (0x3UL << USB_OTG_HPRT_PLSTS_Pos) /*!< 0x00000C00 */
 #define USB_OTG_HPRT_PLSTS                      USB_OTG_HPRT_PLSTS_Msk         /*!< Port line status */
 #define USB_OTG_HPRT_PLSTS_0                    (0x1UL << USB_OTG_HPRT_PLSTS_Pos) /*!< 0x00000400 */
 #define USB_OTG_HPRT_PLSTS_1                    (0x2UL << USB_OTG_HPRT_PLSTS_Pos) /*!< 0x00000800 */
-#define USB_OTG_HPRT_PPWR_Pos                   (12U)                          
+#define USB_OTG_HPRT_PPWR_Pos                   (12U)
 #define USB_OTG_HPRT_PPWR_Msk                   (0x1UL << USB_OTG_HPRT_PPWR_Pos) /*!< 0x00001000 */
 #define USB_OTG_HPRT_PPWR                       USB_OTG_HPRT_PPWR_Msk          /*!< Port power */
 
-#define USB_OTG_HPRT_PTCTL_Pos                  (13U)                          
+#define USB_OTG_HPRT_PTCTL_Pos                  (13U)
 #define USB_OTG_HPRT_PTCTL_Msk                  (0xFUL << USB_OTG_HPRT_PTCTL_Pos) /*!< 0x0001E000 */
 #define USB_OTG_HPRT_PTCTL                      USB_OTG_HPRT_PTCTL_Msk         /*!< Port test control */
 #define USB_OTG_HPRT_PTCTL_0                    (0x1UL << USB_OTG_HPRT_PTCTL_Pos) /*!< 0x00002000 */
@@ -972,136 +972,136 @@ typedef struct
 #define USB_OTG_HPRT_PTCTL_2                    (0x4UL << USB_OTG_HPRT_PTCTL_Pos) /*!< 0x00008000 */
 #define USB_OTG_HPRT_PTCTL_3                    (0x8UL << USB_OTG_HPRT_PTCTL_Pos) /*!< 0x00010000 */
 
-#define USB_OTG_HPRT_PSPD_Pos                   (17U)                          
+#define USB_OTG_HPRT_PSPD_Pos                   (17U)
 #define USB_OTG_HPRT_PSPD_Msk                   (0x3UL << USB_OTG_HPRT_PSPD_Pos) /*!< 0x00060000 */
 #define USB_OTG_HPRT_PSPD                       USB_OTG_HPRT_PSPD_Msk          /*!< Port speed */
 #define USB_OTG_HPRT_PSPD_0                     (0x1UL << USB_OTG_HPRT_PSPD_Pos) /*!< 0x00020000 */
 #define USB_OTG_HPRT_PSPD_1                     (0x2UL << USB_OTG_HPRT_PSPD_Pos) /*!< 0x00040000 */
 
 /********************  Bit definition for USB_OTG_DOEPEACHMSK1 register  ********************/
-#define USB_OTG_DOEPEACHMSK1_XFRCM_Pos          (0U)                           
+#define USB_OTG_DOEPEACHMSK1_XFRCM_Pos          (0U)
 #define USB_OTG_DOEPEACHMSK1_XFRCM_Msk          (0x1UL << USB_OTG_DOEPEACHMSK1_XFRCM_Pos) /*!< 0x00000001 */
 #define USB_OTG_DOEPEACHMSK1_XFRCM              USB_OTG_DOEPEACHMSK1_XFRCM_Msk /*!< Transfer completed interrupt mask */
-#define USB_OTG_DOEPEACHMSK1_EPDM_Pos           (1U)                           
+#define USB_OTG_DOEPEACHMSK1_EPDM_Pos           (1U)
 #define USB_OTG_DOEPEACHMSK1_EPDM_Msk           (0x1UL << USB_OTG_DOEPEACHMSK1_EPDM_Pos) /*!< 0x00000002 */
 #define USB_OTG_DOEPEACHMSK1_EPDM               USB_OTG_DOEPEACHMSK1_EPDM_Msk  /*!< Endpoint disabled interrupt mask */
-#define USB_OTG_DOEPEACHMSK1_TOM_Pos            (3U)                           
+#define USB_OTG_DOEPEACHMSK1_TOM_Pos            (3U)
 #define USB_OTG_DOEPEACHMSK1_TOM_Msk            (0x1UL << USB_OTG_DOEPEACHMSK1_TOM_Pos) /*!< 0x00000008 */
 #define USB_OTG_DOEPEACHMSK1_TOM                USB_OTG_DOEPEACHMSK1_TOM_Msk   /*!< Timeout condition mask */
-#define USB_OTG_DOEPEACHMSK1_ITTXFEMSK_Pos      (4U)                           
+#define USB_OTG_DOEPEACHMSK1_ITTXFEMSK_Pos      (4U)
 #define USB_OTG_DOEPEACHMSK1_ITTXFEMSK_Msk      (0x1UL << USB_OTG_DOEPEACHMSK1_ITTXFEMSK_Pos) /*!< 0x00000010 */
 #define USB_OTG_DOEPEACHMSK1_ITTXFEMSK          USB_OTG_DOEPEACHMSK1_ITTXFEMSK_Msk /*!< IN token received when TxFIFO empty mask */
-#define USB_OTG_DOEPEACHMSK1_INEPNMM_Pos        (5U)                           
+#define USB_OTG_DOEPEACHMSK1_INEPNMM_Pos        (5U)
 #define USB_OTG_DOEPEACHMSK1_INEPNMM_Msk        (0x1UL << USB_OTG_DOEPEACHMSK1_INEPNMM_Pos) /*!< 0x00000020 */
 #define USB_OTG_DOEPEACHMSK1_INEPNMM            USB_OTG_DOEPEACHMSK1_INEPNMM_Msk /*!< IN token received with EP mismatch mask */
-#define USB_OTG_DOEPEACHMSK1_INEPNEM_Pos        (6U)                           
+#define USB_OTG_DOEPEACHMSK1_INEPNEM_Pos        (6U)
 #define USB_OTG_DOEPEACHMSK1_INEPNEM_Msk        (0x1UL << USB_OTG_DOEPEACHMSK1_INEPNEM_Pos) /*!< 0x00000040 */
 #define USB_OTG_DOEPEACHMSK1_INEPNEM            USB_OTG_DOEPEACHMSK1_INEPNEM_Msk /*!< IN endpoint NAK effective mask */
-#define USB_OTG_DOEPEACHMSK1_TXFURM_Pos         (8U)                           
+#define USB_OTG_DOEPEACHMSK1_TXFURM_Pos         (8U)
 #define USB_OTG_DOEPEACHMSK1_TXFURM_Msk         (0x1UL << USB_OTG_DOEPEACHMSK1_TXFURM_Pos) /*!< 0x00000100 */
 #define USB_OTG_DOEPEACHMSK1_TXFURM             USB_OTG_DOEPEACHMSK1_TXFURM_Msk /*!< OUT packet error mask */
-#define USB_OTG_DOEPEACHMSK1_BIM_Pos            (9U)                           
+#define USB_OTG_DOEPEACHMSK1_BIM_Pos            (9U)
 #define USB_OTG_DOEPEACHMSK1_BIM_Msk            (0x1UL << USB_OTG_DOEPEACHMSK1_BIM_Pos) /*!< 0x00000200 */
 #define USB_OTG_DOEPEACHMSK1_BIM                USB_OTG_DOEPEACHMSK1_BIM_Msk   /*!< BNA interrupt mask */
-#define USB_OTG_DOEPEACHMSK1_BERRM_Pos          (12U)                          
+#define USB_OTG_DOEPEACHMSK1_BERRM_Pos          (12U)
 #define USB_OTG_DOEPEACHMSK1_BERRM_Msk          (0x1UL << USB_OTG_DOEPEACHMSK1_BERRM_Pos) /*!< 0x00001000 */
 #define USB_OTG_DOEPEACHMSK1_BERRM              USB_OTG_DOEPEACHMSK1_BERRM_Msk /*!< Bubble error interrupt mask */
-#define USB_OTG_DOEPEACHMSK1_NAKM_Pos           (13U)                          
+#define USB_OTG_DOEPEACHMSK1_NAKM_Pos           (13U)
 #define USB_OTG_DOEPEACHMSK1_NAKM_Msk           (0x1UL << USB_OTG_DOEPEACHMSK1_NAKM_Pos) /*!< 0x00002000 */
 #define USB_OTG_DOEPEACHMSK1_NAKM               USB_OTG_DOEPEACHMSK1_NAKM_Msk  /*!< NAK interrupt mask */
-#define USB_OTG_DOEPEACHMSK1_NYETM_Pos          (14U)                          
+#define USB_OTG_DOEPEACHMSK1_NYETM_Pos          (14U)
 #define USB_OTG_DOEPEACHMSK1_NYETM_Msk          (0x1UL << USB_OTG_DOEPEACHMSK1_NYETM_Pos) /*!< 0x00004000 */
 #define USB_OTG_DOEPEACHMSK1_NYETM              USB_OTG_DOEPEACHMSK1_NYETM_Msk /*!< NYET interrupt mask */
 
 /********************  Bit definition for USB_OTG_HPTXFSIZ register  ********************/
-#define USB_OTG_HPTXFSIZ_PTXSA_Pos              (0U)                           
+#define USB_OTG_HPTXFSIZ_PTXSA_Pos              (0U)
 #define USB_OTG_HPTXFSIZ_PTXSA_Msk              (0xFFFFUL << USB_OTG_HPTXFSIZ_PTXSA_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_HPTXFSIZ_PTXSA                  USB_OTG_HPTXFSIZ_PTXSA_Msk     /*!< Host periodic TxFIFO start address */
-#define USB_OTG_HPTXFSIZ_PTXFD_Pos              (16U)                          
+#define USB_OTG_HPTXFSIZ_PTXFD_Pos              (16U)
 #define USB_OTG_HPTXFSIZ_PTXFD_Msk              (0xFFFFUL << USB_OTG_HPTXFSIZ_PTXFD_Pos) /*!< 0xFFFF0000 */
 #define USB_OTG_HPTXFSIZ_PTXFD                  USB_OTG_HPTXFSIZ_PTXFD_Msk     /*!< Host periodic TxFIFO depth */
 
 /********************  Bit definition for USB_OTG_DIEPCTL register  ********************/
-#define USB_OTG_DIEPCTL_MPSIZ_Pos               (0U)                           
+#define USB_OTG_DIEPCTL_MPSIZ_Pos               (0U)
 #define USB_OTG_DIEPCTL_MPSIZ_Msk               (0x7FFUL << USB_OTG_DIEPCTL_MPSIZ_Pos) /*!< 0x000007FF */
 #define USB_OTG_DIEPCTL_MPSIZ                   USB_OTG_DIEPCTL_MPSIZ_Msk      /*!< Maximum packet size */
-#define USB_OTG_DIEPCTL_USBAEP_Pos              (15U)                          
+#define USB_OTG_DIEPCTL_USBAEP_Pos              (15U)
 #define USB_OTG_DIEPCTL_USBAEP_Msk              (0x1UL << USB_OTG_DIEPCTL_USBAEP_Pos) /*!< 0x00008000 */
 #define USB_OTG_DIEPCTL_USBAEP                  USB_OTG_DIEPCTL_USBAEP_Msk     /*!< USB active endpoint */
-#define USB_OTG_DIEPCTL_EONUM_DPID_Pos          (16U)                          
+#define USB_OTG_DIEPCTL_EONUM_DPID_Pos          (16U)
 #define USB_OTG_DIEPCTL_EONUM_DPID_Msk          (0x1UL << USB_OTG_DIEPCTL_EONUM_DPID_Pos) /*!< 0x00010000 */
 #define USB_OTG_DIEPCTL_EONUM_DPID              USB_OTG_DIEPCTL_EONUM_DPID_Msk /*!< Even/odd frame */
-#define USB_OTG_DIEPCTL_NAKSTS_Pos              (17U)                          
+#define USB_OTG_DIEPCTL_NAKSTS_Pos              (17U)
 #define USB_OTG_DIEPCTL_NAKSTS_Msk              (0x1UL << USB_OTG_DIEPCTL_NAKSTS_Pos) /*!< 0x00020000 */
 #define USB_OTG_DIEPCTL_NAKSTS                  USB_OTG_DIEPCTL_NAKSTS_Msk     /*!< NAK status */
 
-#define USB_OTG_DIEPCTL_EPTYP_Pos               (18U)                          
+#define USB_OTG_DIEPCTL_EPTYP_Pos               (18U)
 #define USB_OTG_DIEPCTL_EPTYP_Msk               (0x3UL << USB_OTG_DIEPCTL_EPTYP_Pos) /*!< 0x000C0000 */
 #define USB_OTG_DIEPCTL_EPTYP                   USB_OTG_DIEPCTL_EPTYP_Msk      /*!< Endpoint type */
 #define USB_OTG_DIEPCTL_EPTYP_0                 (0x1UL << USB_OTG_DIEPCTL_EPTYP_Pos) /*!< 0x00040000 */
 #define USB_OTG_DIEPCTL_EPTYP_1                 (0x2UL << USB_OTG_DIEPCTL_EPTYP_Pos) /*!< 0x00080000 */
-#define USB_OTG_DIEPCTL_STALL_Pos               (21U)                          
+#define USB_OTG_DIEPCTL_STALL_Pos               (21U)
 #define USB_OTG_DIEPCTL_STALL_Msk               (0x1UL << USB_OTG_DIEPCTL_STALL_Pos) /*!< 0x00200000 */
 #define USB_OTG_DIEPCTL_STALL                   USB_OTG_DIEPCTL_STALL_Msk      /*!< STALL handshake */
 
-#define USB_OTG_DIEPCTL_TXFNUM_Pos              (22U)                          
+#define USB_OTG_DIEPCTL_TXFNUM_Pos              (22U)
 #define USB_OTG_DIEPCTL_TXFNUM_Msk              (0xFUL << USB_OTG_DIEPCTL_TXFNUM_Pos) /*!< 0x03C00000 */
 #define USB_OTG_DIEPCTL_TXFNUM                  USB_OTG_DIEPCTL_TXFNUM_Msk     /*!< TxFIFO number */
 #define USB_OTG_DIEPCTL_TXFNUM_0                (0x1UL << USB_OTG_DIEPCTL_TXFNUM_Pos) /*!< 0x00400000 */
 #define USB_OTG_DIEPCTL_TXFNUM_1                (0x2UL << USB_OTG_DIEPCTL_TXFNUM_Pos) /*!< 0x00800000 */
 #define USB_OTG_DIEPCTL_TXFNUM_2                (0x4UL << USB_OTG_DIEPCTL_TXFNUM_Pos) /*!< 0x01000000 */
 #define USB_OTG_DIEPCTL_TXFNUM_3                (0x8UL << USB_OTG_DIEPCTL_TXFNUM_Pos) /*!< 0x02000000 */
-#define USB_OTG_DIEPCTL_CNAK_Pos                (26U)                          
+#define USB_OTG_DIEPCTL_CNAK_Pos                (26U)
 #define USB_OTG_DIEPCTL_CNAK_Msk                (0x1UL << USB_OTG_DIEPCTL_CNAK_Pos) /*!< 0x04000000 */
 #define USB_OTG_DIEPCTL_CNAK                    USB_OTG_DIEPCTL_CNAK_Msk       /*!< Clear NAK */
-#define USB_OTG_DIEPCTL_SNAK_Pos                (27U)                          
+#define USB_OTG_DIEPCTL_SNAK_Pos                (27U)
 #define USB_OTG_DIEPCTL_SNAK_Msk                (0x1UL << USB_OTG_DIEPCTL_SNAK_Pos) /*!< 0x08000000 */
 #define USB_OTG_DIEPCTL_SNAK                    USB_OTG_DIEPCTL_SNAK_Msk       /*!< Set NAK */
-#define USB_OTG_DIEPCTL_SD0PID_SEVNFRM_Pos      (28U)                          
+#define USB_OTG_DIEPCTL_SD0PID_SEVNFRM_Pos      (28U)
 #define USB_OTG_DIEPCTL_SD0PID_SEVNFRM_Msk      (0x1UL << USB_OTG_DIEPCTL_SD0PID_SEVNFRM_Pos) /*!< 0x10000000 */
 #define USB_OTG_DIEPCTL_SD0PID_SEVNFRM          USB_OTG_DIEPCTL_SD0PID_SEVNFRM_Msk /*!< Set DATA0 PID */
-#define USB_OTG_DIEPCTL_SODDFRM_Pos             (29U)                          
+#define USB_OTG_DIEPCTL_SODDFRM_Pos             (29U)
 #define USB_OTG_DIEPCTL_SODDFRM_Msk             (0x1UL << USB_OTG_DIEPCTL_SODDFRM_Pos) /*!< 0x20000000 */
 #define USB_OTG_DIEPCTL_SODDFRM                 USB_OTG_DIEPCTL_SODDFRM_Msk    /*!< Set odd frame */
-#define USB_OTG_DIEPCTL_EPDIS_Pos               (30U)                          
+#define USB_OTG_DIEPCTL_EPDIS_Pos               (30U)
 #define USB_OTG_DIEPCTL_EPDIS_Msk               (0x1UL << USB_OTG_DIEPCTL_EPDIS_Pos) /*!< 0x40000000 */
 #define USB_OTG_DIEPCTL_EPDIS                   USB_OTG_DIEPCTL_EPDIS_Msk      /*!< Endpoint disable */
-#define USB_OTG_DIEPCTL_EPENA_Pos               (31U)                          
+#define USB_OTG_DIEPCTL_EPENA_Pos               (31U)
 #define USB_OTG_DIEPCTL_EPENA_Msk               (0x1UL << USB_OTG_DIEPCTL_EPENA_Pos) /*!< 0x80000000 */
 #define USB_OTG_DIEPCTL_EPENA                   USB_OTG_DIEPCTL_EPENA_Msk      /*!< Endpoint enable */
 
 /********************  Bit definition for USB_OTG_HCCHAR register  ********************/
-#define USB_OTG_HCCHAR_MPSIZ_Pos                (0U)                           
+#define USB_OTG_HCCHAR_MPSIZ_Pos                (0U)
 #define USB_OTG_HCCHAR_MPSIZ_Msk                (0x7FFUL << USB_OTG_HCCHAR_MPSIZ_Pos) /*!< 0x000007FF */
 #define USB_OTG_HCCHAR_MPSIZ                    USB_OTG_HCCHAR_MPSIZ_Msk       /*!< Maximum packet size */
 
-#define USB_OTG_HCCHAR_EPNUM_Pos                (11U)                          
+#define USB_OTG_HCCHAR_EPNUM_Pos                (11U)
 #define USB_OTG_HCCHAR_EPNUM_Msk                (0xFUL << USB_OTG_HCCHAR_EPNUM_Pos) /*!< 0x00007800 */
 #define USB_OTG_HCCHAR_EPNUM                    USB_OTG_HCCHAR_EPNUM_Msk       /*!< Endpoint number */
 #define USB_OTG_HCCHAR_EPNUM_0                  (0x1UL << USB_OTG_HCCHAR_EPNUM_Pos) /*!< 0x00000800 */
 #define USB_OTG_HCCHAR_EPNUM_1                  (0x2UL << USB_OTG_HCCHAR_EPNUM_Pos) /*!< 0x00001000 */
 #define USB_OTG_HCCHAR_EPNUM_2                  (0x4UL << USB_OTG_HCCHAR_EPNUM_Pos) /*!< 0x00002000 */
 #define USB_OTG_HCCHAR_EPNUM_3                  (0x8UL << USB_OTG_HCCHAR_EPNUM_Pos) /*!< 0x00004000 */
-#define USB_OTG_HCCHAR_EPDIR_Pos                (15U)                          
+#define USB_OTG_HCCHAR_EPDIR_Pos                (15U)
 #define USB_OTG_HCCHAR_EPDIR_Msk                (0x1UL << USB_OTG_HCCHAR_EPDIR_Pos) /*!< 0x00008000 */
 #define USB_OTG_HCCHAR_EPDIR                    USB_OTG_HCCHAR_EPDIR_Msk       /*!< Endpoint direction */
-#define USB_OTG_HCCHAR_LSDEV_Pos                (17U)                          
+#define USB_OTG_HCCHAR_LSDEV_Pos                (17U)
 #define USB_OTG_HCCHAR_LSDEV_Msk                (0x1UL << USB_OTG_HCCHAR_LSDEV_Pos) /*!< 0x00020000 */
 #define USB_OTG_HCCHAR_LSDEV                    USB_OTG_HCCHAR_LSDEV_Msk       /*!< Low-speed device */
 
-#define USB_OTG_HCCHAR_EPTYP_Pos                (18U)                          
+#define USB_OTG_HCCHAR_EPTYP_Pos                (18U)
 #define USB_OTG_HCCHAR_EPTYP_Msk                (0x3UL << USB_OTG_HCCHAR_EPTYP_Pos) /*!< 0x000C0000 */
 #define USB_OTG_HCCHAR_EPTYP                    USB_OTG_HCCHAR_EPTYP_Msk       /*!< Endpoint type */
 #define USB_OTG_HCCHAR_EPTYP_0                  (0x1UL << USB_OTG_HCCHAR_EPTYP_Pos) /*!< 0x00040000 */
 #define USB_OTG_HCCHAR_EPTYP_1                  (0x2UL << USB_OTG_HCCHAR_EPTYP_Pos) /*!< 0x00080000 */
-                                      
-#define USB_OTG_HCCHAR_MC_Pos                   (20U)                          
+
+#define USB_OTG_HCCHAR_MC_Pos                   (20U)
 #define USB_OTG_HCCHAR_MC_Msk                   (0x3UL << USB_OTG_HCCHAR_MC_Pos) /*!< 0x00300000 */
 #define USB_OTG_HCCHAR_MC                       USB_OTG_HCCHAR_MC_Msk          /*!< Multi Count (MC) / Error Count (EC) */
 #define USB_OTG_HCCHAR_MC_0                     (0x1UL << USB_OTG_HCCHAR_MC_Pos) /*!< 0x00100000 */
 #define USB_OTG_HCCHAR_MC_1                     (0x2UL << USB_OTG_HCCHAR_MC_Pos) /*!< 0x00200000 */
 
-#define USB_OTG_HCCHAR_DAD_Pos                  (22U)                          
+#define USB_OTG_HCCHAR_DAD_Pos                  (22U)
 #define USB_OTG_HCCHAR_DAD_Msk                  (0x7FUL << USB_OTG_HCCHAR_DAD_Pos) /*!< 0x1FC00000 */
 #define USB_OTG_HCCHAR_DAD                      USB_OTG_HCCHAR_DAD_Msk         /*!< Device address */
 #define USB_OTG_HCCHAR_DAD_0                    (0x01UL << USB_OTG_HCCHAR_DAD_Pos) /*!< 0x00400000 */
@@ -1111,19 +1111,19 @@ typedef struct
 #define USB_OTG_HCCHAR_DAD_4                    (0x10UL << USB_OTG_HCCHAR_DAD_Pos) /*!< 0x04000000 */
 #define USB_OTG_HCCHAR_DAD_5                    (0x20UL << USB_OTG_HCCHAR_DAD_Pos) /*!< 0x08000000 */
 #define USB_OTG_HCCHAR_DAD_6                    (0x40UL << USB_OTG_HCCHAR_DAD_Pos) /*!< 0x10000000 */
-#define USB_OTG_HCCHAR_ODDFRM_Pos               (29U)                          
+#define USB_OTG_HCCHAR_ODDFRM_Pos               (29U)
 #define USB_OTG_HCCHAR_ODDFRM_Msk               (0x1UL << USB_OTG_HCCHAR_ODDFRM_Pos) /*!< 0x20000000 */
 #define USB_OTG_HCCHAR_ODDFRM                   USB_OTG_HCCHAR_ODDFRM_Msk      /*!< Odd frame */
-#define USB_OTG_HCCHAR_CHDIS_Pos                (30U)                          
+#define USB_OTG_HCCHAR_CHDIS_Pos                (30U)
 #define USB_OTG_HCCHAR_CHDIS_Msk                (0x1UL << USB_OTG_HCCHAR_CHDIS_Pos) /*!< 0x40000000 */
 #define USB_OTG_HCCHAR_CHDIS                    USB_OTG_HCCHAR_CHDIS_Msk       /*!< Channel disable */
-#define USB_OTG_HCCHAR_CHENA_Pos                (31U)                          
+#define USB_OTG_HCCHAR_CHENA_Pos                (31U)
 #define USB_OTG_HCCHAR_CHENA_Msk                (0x1UL << USB_OTG_HCCHAR_CHENA_Pos) /*!< 0x80000000 */
 #define USB_OTG_HCCHAR_CHENA                    USB_OTG_HCCHAR_CHENA_Msk       /*!< Channel enable */
 
 /********************  Bit definition for USB_OTG_HCSPLT register  ********************/
 
-#define USB_OTG_HCSPLT_PRTADDR_Pos              (0U)                           
+#define USB_OTG_HCSPLT_PRTADDR_Pos              (0U)
 #define USB_OTG_HCSPLT_PRTADDR_Msk              (0x7FUL << USB_OTG_HCSPLT_PRTADDR_Pos) /*!< 0x0000007F */
 #define USB_OTG_HCSPLT_PRTADDR                  USB_OTG_HCSPLT_PRTADDR_Msk     /*!< Port address */
 #define USB_OTG_HCSPLT_PRTADDR_0                (0x01UL << USB_OTG_HCSPLT_PRTADDR_Pos) /*!< 0x00000001 */
@@ -1134,7 +1134,7 @@ typedef struct
 #define USB_OTG_HCSPLT_PRTADDR_5                (0x20UL << USB_OTG_HCSPLT_PRTADDR_Pos) /*!< 0x00000020 */
 #define USB_OTG_HCSPLT_PRTADDR_6                (0x40UL << USB_OTG_HCSPLT_PRTADDR_Pos) /*!< 0x00000040 */
 
-#define USB_OTG_HCSPLT_HUBADDR_Pos              (7U)                           
+#define USB_OTG_HCSPLT_HUBADDR_Pos              (7U)
 #define USB_OTG_HCSPLT_HUBADDR_Msk              (0x7FUL << USB_OTG_HCSPLT_HUBADDR_Pos) /*!< 0x00003F80 */
 #define USB_OTG_HCSPLT_HUBADDR                  USB_OTG_HCSPLT_HUBADDR_Msk     /*!< Hub address */
 #define USB_OTG_HCSPLT_HUBADDR_0                (0x01UL << USB_OTG_HCSPLT_HUBADDR_Pos) /*!< 0x00000080 */
@@ -1145,240 +1145,240 @@ typedef struct
 #define USB_OTG_HCSPLT_HUBADDR_5                (0x20UL << USB_OTG_HCSPLT_HUBADDR_Pos) /*!< 0x00001000 */
 #define USB_OTG_HCSPLT_HUBADDR_6                (0x40UL << USB_OTG_HCSPLT_HUBADDR_Pos) /*!< 0x00002000 */
 
-#define USB_OTG_HCSPLT_XACTPOS_Pos              (14U)                          
+#define USB_OTG_HCSPLT_XACTPOS_Pos              (14U)
 #define USB_OTG_HCSPLT_XACTPOS_Msk              (0x3UL << USB_OTG_HCSPLT_XACTPOS_Pos) /*!< 0x0000C000 */
 #define USB_OTG_HCSPLT_XACTPOS                  USB_OTG_HCSPLT_XACTPOS_Msk     /*!< XACTPOS */
 #define USB_OTG_HCSPLT_XACTPOS_0                (0x1UL << USB_OTG_HCSPLT_XACTPOS_Pos) /*!< 0x00004000 */
 #define USB_OTG_HCSPLT_XACTPOS_1                (0x2UL << USB_OTG_HCSPLT_XACTPOS_Pos) /*!< 0x00008000 */
-#define USB_OTG_HCSPLT_COMPLSPLT_Pos            (16U)                          
+#define USB_OTG_HCSPLT_COMPLSPLT_Pos            (16U)
 #define USB_OTG_HCSPLT_COMPLSPLT_Msk            (0x1UL << USB_OTG_HCSPLT_COMPLSPLT_Pos) /*!< 0x00010000 */
 #define USB_OTG_HCSPLT_COMPLSPLT                USB_OTG_HCSPLT_COMPLSPLT_Msk   /*!< Do complete split */
-#define USB_OTG_HCSPLT_SPLITEN_Pos              (31U)                          
+#define USB_OTG_HCSPLT_SPLITEN_Pos              (31U)
 #define USB_OTG_HCSPLT_SPLITEN_Msk              (0x1UL << USB_OTG_HCSPLT_SPLITEN_Pos) /*!< 0x80000000 */
 #define USB_OTG_HCSPLT_SPLITEN                  USB_OTG_HCSPLT_SPLITEN_Msk     /*!< Split enable */
 
 /********************  Bit definition for USB_OTG_HCINT register  ********************/
-#define USB_OTG_HCINT_XFRC_Pos                  (0U)                           
+#define USB_OTG_HCINT_XFRC_Pos                  (0U)
 #define USB_OTG_HCINT_XFRC_Msk                  (0x1UL << USB_OTG_HCINT_XFRC_Pos) /*!< 0x00000001 */
 #define USB_OTG_HCINT_XFRC                      USB_OTG_HCINT_XFRC_Msk         /*!< Transfer completed */
-#define USB_OTG_HCINT_CHH_Pos                   (1U)                           
+#define USB_OTG_HCINT_CHH_Pos                   (1U)
 #define USB_OTG_HCINT_CHH_Msk                   (0x1UL << USB_OTG_HCINT_CHH_Pos) /*!< 0x00000002 */
 #define USB_OTG_HCINT_CHH                       USB_OTG_HCINT_CHH_Msk          /*!< Channel halted */
-#define USB_OTG_HCINT_AHBERR_Pos                (2U)                           
+#define USB_OTG_HCINT_AHBERR_Pos                (2U)
 #define USB_OTG_HCINT_AHBERR_Msk                (0x1UL << USB_OTG_HCINT_AHBERR_Pos) /*!< 0x00000004 */
 #define USB_OTG_HCINT_AHBERR                    USB_OTG_HCINT_AHBERR_Msk       /*!< AHB error */
-#define USB_OTG_HCINT_STALL_Pos                 (3U)                           
+#define USB_OTG_HCINT_STALL_Pos                 (3U)
 #define USB_OTG_HCINT_STALL_Msk                 (0x1UL << USB_OTG_HCINT_STALL_Pos) /*!< 0x00000008 */
 #define USB_OTG_HCINT_STALL                     USB_OTG_HCINT_STALL_Msk        /*!< STALL response received interrupt */
-#define USB_OTG_HCINT_NAK_Pos                   (4U)                           
+#define USB_OTG_HCINT_NAK_Pos                   (4U)
 #define USB_OTG_HCINT_NAK_Msk                   (0x1UL << USB_OTG_HCINT_NAK_Pos) /*!< 0x00000010 */
 #define USB_OTG_HCINT_NAK                       USB_OTG_HCINT_NAK_Msk          /*!< NAK response received interrupt */
-#define USB_OTG_HCINT_ACK_Pos                   (5U)                           
+#define USB_OTG_HCINT_ACK_Pos                   (5U)
 #define USB_OTG_HCINT_ACK_Msk                   (0x1UL << USB_OTG_HCINT_ACK_Pos) /*!< 0x00000020 */
 #define USB_OTG_HCINT_ACK                       USB_OTG_HCINT_ACK_Msk          /*!< ACK response received/transmitted interrupt */
-#define USB_OTG_HCINT_NYET_Pos                  (6U)                           
+#define USB_OTG_HCINT_NYET_Pos                  (6U)
 #define USB_OTG_HCINT_NYET_Msk                  (0x1UL << USB_OTG_HCINT_NYET_Pos) /*!< 0x00000040 */
 #define USB_OTG_HCINT_NYET                      USB_OTG_HCINT_NYET_Msk         /*!< Response received interrupt */
-#define USB_OTG_HCINT_TXERR_Pos                 (7U)                           
+#define USB_OTG_HCINT_TXERR_Pos                 (7U)
 #define USB_OTG_HCINT_TXERR_Msk                 (0x1UL << USB_OTG_HCINT_TXERR_Pos) /*!< 0x00000080 */
 #define USB_OTG_HCINT_TXERR                     USB_OTG_HCINT_TXERR_Msk        /*!< Transaction error */
-#define USB_OTG_HCINT_BBERR_Pos                 (8U)                           
+#define USB_OTG_HCINT_BBERR_Pos                 (8U)
 #define USB_OTG_HCINT_BBERR_Msk                 (0x1UL << USB_OTG_HCINT_BBERR_Pos) /*!< 0x00000100 */
 #define USB_OTG_HCINT_BBERR                     USB_OTG_HCINT_BBERR_Msk        /*!< Babble error */
-#define USB_OTG_HCINT_FRMOR_Pos                 (9U)                           
+#define USB_OTG_HCINT_FRMOR_Pos                 (9U)
 #define USB_OTG_HCINT_FRMOR_Msk                 (0x1UL << USB_OTG_HCINT_FRMOR_Pos) /*!< 0x00000200 */
 #define USB_OTG_HCINT_FRMOR                     USB_OTG_HCINT_FRMOR_Msk        /*!< Frame overrun */
-#define USB_OTG_HCINT_DTERR_Pos                 (10U)                          
+#define USB_OTG_HCINT_DTERR_Pos                 (10U)
 #define USB_OTG_HCINT_DTERR_Msk                 (0x1UL << USB_OTG_HCINT_DTERR_Pos) /*!< 0x00000400 */
 #define USB_OTG_HCINT_DTERR                     USB_OTG_HCINT_DTERR_Msk        /*!< Data toggle error */
 
 /********************  Bit definition for USB_OTG_DIEPINT register  ********************/
-#define USB_OTG_DIEPINT_XFRC_Pos                (0U)                           
+#define USB_OTG_DIEPINT_XFRC_Pos                (0U)
 #define USB_OTG_DIEPINT_XFRC_Msk                (0x1UL << USB_OTG_DIEPINT_XFRC_Pos) /*!< 0x00000001 */
 #define USB_OTG_DIEPINT_XFRC                    USB_OTG_DIEPINT_XFRC_Msk       /*!< Transfer completed interrupt */
-#define USB_OTG_DIEPINT_EPDISD_Pos              (1U)                           
+#define USB_OTG_DIEPINT_EPDISD_Pos              (1U)
 #define USB_OTG_DIEPINT_EPDISD_Msk              (0x1UL << USB_OTG_DIEPINT_EPDISD_Pos) /*!< 0x00000002 */
 #define USB_OTG_DIEPINT_EPDISD                  USB_OTG_DIEPINT_EPDISD_Msk     /*!< Endpoint disabled interrupt */
 #define USB_OTG_DIEPINT_AHBERR_Pos               (2U)
 #define USB_OTG_DIEPINT_AHBERR_Msk               (0x1UL << USB_OTG_DIEPINT_AHBERR_Pos) /*!< 0x00000004 */
 #define USB_OTG_DIEPINT_AHBERR                   USB_OTG_DIEPINT_AHBERR_Msk   /*!< AHB Error (AHBErr) during an IN transaction */
-#define USB_OTG_DIEPINT_TOC_Pos                 (3U)                           
+#define USB_OTG_DIEPINT_TOC_Pos                 (3U)
 #define USB_OTG_DIEPINT_TOC_Msk                 (0x1UL << USB_OTG_DIEPINT_TOC_Pos) /*!< 0x00000008 */
 #define USB_OTG_DIEPINT_TOC                     USB_OTG_DIEPINT_TOC_Msk        /*!< Timeout condition */
-#define USB_OTG_DIEPINT_ITTXFE_Pos              (4U)                           
+#define USB_OTG_DIEPINT_ITTXFE_Pos              (4U)
 #define USB_OTG_DIEPINT_ITTXFE_Msk              (0x1UL << USB_OTG_DIEPINT_ITTXFE_Pos) /*!< 0x00000010 */
 #define USB_OTG_DIEPINT_ITTXFE                  USB_OTG_DIEPINT_ITTXFE_Msk     /*!< IN token received when TxFIFO is empty */
 #define USB_OTG_DIEPINT_INEPNM_Pos               (5U)
 #define USB_OTG_DIEPINT_INEPNM_Msk               (0x1UL << USB_OTG_DIEPINT_INEPNM_Pos) /*!< 0x00000004 */
 #define USB_OTG_DIEPINT_INEPNM                   USB_OTG_DIEPINT_INEPNM_Msk   /*!< IN token received with EP mismatch */
-#define USB_OTG_DIEPINT_INEPNE_Pos              (6U)                           
+#define USB_OTG_DIEPINT_INEPNE_Pos              (6U)
 #define USB_OTG_DIEPINT_INEPNE_Msk              (0x1UL << USB_OTG_DIEPINT_INEPNE_Pos) /*!< 0x00000040 */
 #define USB_OTG_DIEPINT_INEPNE                  USB_OTG_DIEPINT_INEPNE_Msk     /*!< IN endpoint NAK effective */
-#define USB_OTG_DIEPINT_TXFE_Pos                (7U)                           
+#define USB_OTG_DIEPINT_TXFE_Pos                (7U)
 #define USB_OTG_DIEPINT_TXFE_Msk                (0x1UL << USB_OTG_DIEPINT_TXFE_Pos) /*!< 0x00000080 */
 #define USB_OTG_DIEPINT_TXFE                    USB_OTG_DIEPINT_TXFE_Msk       /*!< Transmit FIFO empty */
-#define USB_OTG_DIEPINT_TXFIFOUDRN_Pos          (8U)                           
+#define USB_OTG_DIEPINT_TXFIFOUDRN_Pos          (8U)
 #define USB_OTG_DIEPINT_TXFIFOUDRN_Msk          (0x1UL << USB_OTG_DIEPINT_TXFIFOUDRN_Pos) /*!< 0x00000100 */
 #define USB_OTG_DIEPINT_TXFIFOUDRN              USB_OTG_DIEPINT_TXFIFOUDRN_Msk /*!< Transmit Fifo Underrun */
-#define USB_OTG_DIEPINT_BNA_Pos                 (9U)                           
+#define USB_OTG_DIEPINT_BNA_Pos                 (9U)
 #define USB_OTG_DIEPINT_BNA_Msk                 (0x1UL << USB_OTG_DIEPINT_BNA_Pos) /*!< 0x00000200 */
 #define USB_OTG_DIEPINT_BNA                     USB_OTG_DIEPINT_BNA_Msk        /*!< Buffer not available interrupt */
-#define USB_OTG_DIEPINT_PKTDRPSTS_Pos           (11U)                          
+#define USB_OTG_DIEPINT_PKTDRPSTS_Pos           (11U)
 #define USB_OTG_DIEPINT_PKTDRPSTS_Msk           (0x1UL << USB_OTG_DIEPINT_PKTDRPSTS_Pos) /*!< 0x00000800 */
 #define USB_OTG_DIEPINT_PKTDRPSTS               USB_OTG_DIEPINT_PKTDRPSTS_Msk  /*!< Packet dropped status */
-#define USB_OTG_DIEPINT_BERR_Pos                (12U)                          
+#define USB_OTG_DIEPINT_BERR_Pos                (12U)
 #define USB_OTG_DIEPINT_BERR_Msk                (0x1UL << USB_OTG_DIEPINT_BERR_Pos) /*!< 0x00001000 */
 #define USB_OTG_DIEPINT_BERR                    USB_OTG_DIEPINT_BERR_Msk       /*!< Babble error interrupt */
-#define USB_OTG_DIEPINT_NAK_Pos                 (13U)                          
+#define USB_OTG_DIEPINT_NAK_Pos                 (13U)
 #define USB_OTG_DIEPINT_NAK_Msk                 (0x1UL << USB_OTG_DIEPINT_NAK_Pos) /*!< 0x00002000 */
 #define USB_OTG_DIEPINT_NAK                     USB_OTG_DIEPINT_NAK_Msk        /*!< NAK interrupt */
 
 /********************  Bit definition for USB_OTG_HCINTMSK register  ********************/
-#define USB_OTG_HCINTMSK_XFRCM_Pos              (0U)                           
+#define USB_OTG_HCINTMSK_XFRCM_Pos              (0U)
 #define USB_OTG_HCINTMSK_XFRCM_Msk              (0x1UL << USB_OTG_HCINTMSK_XFRCM_Pos) /*!< 0x00000001 */
 #define USB_OTG_HCINTMSK_XFRCM                  USB_OTG_HCINTMSK_XFRCM_Msk     /*!< Transfer completed mask */
-#define USB_OTG_HCINTMSK_CHHM_Pos               (1U)                           
+#define USB_OTG_HCINTMSK_CHHM_Pos               (1U)
 #define USB_OTG_HCINTMSK_CHHM_Msk               (0x1UL << USB_OTG_HCINTMSK_CHHM_Pos) /*!< 0x00000002 */
 #define USB_OTG_HCINTMSK_CHHM                   USB_OTG_HCINTMSK_CHHM_Msk      /*!< Channel halted mask */
-#define USB_OTG_HCINTMSK_AHBERR_Pos             (2U)                           
+#define USB_OTG_HCINTMSK_AHBERR_Pos             (2U)
 #define USB_OTG_HCINTMSK_AHBERR_Msk             (0x1UL << USB_OTG_HCINTMSK_AHBERR_Pos) /*!< 0x00000004 */
 #define USB_OTG_HCINTMSK_AHBERR                 USB_OTG_HCINTMSK_AHBERR_Msk    /*!< AHB error */
-#define USB_OTG_HCINTMSK_STALLM_Pos             (3U)                           
+#define USB_OTG_HCINTMSK_STALLM_Pos             (3U)
 #define USB_OTG_HCINTMSK_STALLM_Msk             (0x1UL << USB_OTG_HCINTMSK_STALLM_Pos) /*!< 0x00000008 */
 #define USB_OTG_HCINTMSK_STALLM                 USB_OTG_HCINTMSK_STALLM_Msk    /*!< STALL response received interrupt mask */
-#define USB_OTG_HCINTMSK_NAKM_Pos               (4U)                           
+#define USB_OTG_HCINTMSK_NAKM_Pos               (4U)
 #define USB_OTG_HCINTMSK_NAKM_Msk               (0x1UL << USB_OTG_HCINTMSK_NAKM_Pos) /*!< 0x00000010 */
 #define USB_OTG_HCINTMSK_NAKM                   USB_OTG_HCINTMSK_NAKM_Msk      /*!< NAK response received interrupt mask */
-#define USB_OTG_HCINTMSK_ACKM_Pos               (5U)                           
+#define USB_OTG_HCINTMSK_ACKM_Pos               (5U)
 #define USB_OTG_HCINTMSK_ACKM_Msk               (0x1UL << USB_OTG_HCINTMSK_ACKM_Pos) /*!< 0x00000020 */
 #define USB_OTG_HCINTMSK_ACKM                   USB_OTG_HCINTMSK_ACKM_Msk      /*!< ACK response received/transmitted interrupt mask */
-#define USB_OTG_HCINTMSK_NYET_Pos               (6U)                           
+#define USB_OTG_HCINTMSK_NYET_Pos               (6U)
 #define USB_OTG_HCINTMSK_NYET_Msk               (0x1UL << USB_OTG_HCINTMSK_NYET_Pos) /*!< 0x00000040 */
 #define USB_OTG_HCINTMSK_NYET                   USB_OTG_HCINTMSK_NYET_Msk      /*!< response received interrupt mask */
-#define USB_OTG_HCINTMSK_TXERRM_Pos             (7U)                           
+#define USB_OTG_HCINTMSK_TXERRM_Pos             (7U)
 #define USB_OTG_HCINTMSK_TXERRM_Msk             (0x1UL << USB_OTG_HCINTMSK_TXERRM_Pos) /*!< 0x00000080 */
 #define USB_OTG_HCINTMSK_TXERRM                 USB_OTG_HCINTMSK_TXERRM_Msk    /*!< Transaction error mask */
-#define USB_OTG_HCINTMSK_BBERRM_Pos             (8U)                           
+#define USB_OTG_HCINTMSK_BBERRM_Pos             (8U)
 #define USB_OTG_HCINTMSK_BBERRM_Msk             (0x1UL << USB_OTG_HCINTMSK_BBERRM_Pos) /*!< 0x00000100 */
 #define USB_OTG_HCINTMSK_BBERRM                 USB_OTG_HCINTMSK_BBERRM_Msk    /*!< Babble error mask */
-#define USB_OTG_HCINTMSK_FRMORM_Pos             (9U)                           
+#define USB_OTG_HCINTMSK_FRMORM_Pos             (9U)
 #define USB_OTG_HCINTMSK_FRMORM_Msk             (0x1UL << USB_OTG_HCINTMSK_FRMORM_Pos) /*!< 0x00000200 */
 #define USB_OTG_HCINTMSK_FRMORM                 USB_OTG_HCINTMSK_FRMORM_Msk    /*!< Frame overrun mask */
-#define USB_OTG_HCINTMSK_DTERRM_Pos             (10U)                          
+#define USB_OTG_HCINTMSK_DTERRM_Pos             (10U)
 #define USB_OTG_HCINTMSK_DTERRM_Msk             (0x1UL << USB_OTG_HCINTMSK_DTERRM_Pos) /*!< 0x00000400 */
 #define USB_OTG_HCINTMSK_DTERRM                 USB_OTG_HCINTMSK_DTERRM_Msk    /*!< Data toggle error mask */
 
 /********************  Bit definition for USB_OTG_DIEPTSIZ register  ********************/
 
-#define USB_OTG_DIEPTSIZ_XFRSIZ_Pos             (0U)                           
+#define USB_OTG_DIEPTSIZ_XFRSIZ_Pos             (0U)
 #define USB_OTG_DIEPTSIZ_XFRSIZ_Msk             (0x7FFFFUL << USB_OTG_DIEPTSIZ_XFRSIZ_Pos) /*!< 0x0007FFFF */
 #define USB_OTG_DIEPTSIZ_XFRSIZ                 USB_OTG_DIEPTSIZ_XFRSIZ_Msk    /*!< Transfer size */
-#define USB_OTG_DIEPTSIZ_PKTCNT_Pos             (19U)                          
+#define USB_OTG_DIEPTSIZ_PKTCNT_Pos             (19U)
 #define USB_OTG_DIEPTSIZ_PKTCNT_Msk             (0x3FFUL << USB_OTG_DIEPTSIZ_PKTCNT_Pos) /*!< 0x1FF80000 */
 #define USB_OTG_DIEPTSIZ_PKTCNT                 USB_OTG_DIEPTSIZ_PKTCNT_Msk    /*!< Packet count */
-#define USB_OTG_DIEPTSIZ_MULCNT_Pos             (29U)                          
+#define USB_OTG_DIEPTSIZ_MULCNT_Pos             (29U)
 #define USB_OTG_DIEPTSIZ_MULCNT_Msk             (0x3UL << USB_OTG_DIEPTSIZ_MULCNT_Pos) /*!< 0x60000000 */
 #define USB_OTG_DIEPTSIZ_MULCNT                 USB_OTG_DIEPTSIZ_MULCNT_Msk    /*!< Packet count */
 /********************  Bit definition for USB_OTG_HCTSIZ register  ********************/
-#define USB_OTG_HCTSIZ_XFRSIZ_Pos               (0U)                           
+#define USB_OTG_HCTSIZ_XFRSIZ_Pos               (0U)
 #define USB_OTG_HCTSIZ_XFRSIZ_Msk               (0x7FFFFUL << USB_OTG_HCTSIZ_XFRSIZ_Pos) /*!< 0x0007FFFF */
 #define USB_OTG_HCTSIZ_XFRSIZ                   USB_OTG_HCTSIZ_XFRSIZ_Msk      /*!< Transfer size */
-#define USB_OTG_HCTSIZ_PKTCNT_Pos               (19U)                          
+#define USB_OTG_HCTSIZ_PKTCNT_Pos               (19U)
 #define USB_OTG_HCTSIZ_PKTCNT_Msk               (0x3FFUL << USB_OTG_HCTSIZ_PKTCNT_Pos) /*!< 0x1FF80000 */
 #define USB_OTG_HCTSIZ_PKTCNT                   USB_OTG_HCTSIZ_PKTCNT_Msk      /*!< Packet count */
-#define USB_OTG_HCTSIZ_DOPING_Pos               (31U)                          
+#define USB_OTG_HCTSIZ_DOPING_Pos               (31U)
 #define USB_OTG_HCTSIZ_DOPING_Msk               (0x1UL << USB_OTG_HCTSIZ_DOPING_Pos) /*!< 0x80000000 */
 #define USB_OTG_HCTSIZ_DOPING                   USB_OTG_HCTSIZ_DOPING_Msk      /*!< Do PING */
-#define USB_OTG_HCTSIZ_DPID_Pos                 (29U)                          
+#define USB_OTG_HCTSIZ_DPID_Pos                 (29U)
 #define USB_OTG_HCTSIZ_DPID_Msk                 (0x3UL << USB_OTG_HCTSIZ_DPID_Pos) /*!< 0x60000000 */
 #define USB_OTG_HCTSIZ_DPID                     USB_OTG_HCTSIZ_DPID_Msk        /*!< Data PID */
 #define USB_OTG_HCTSIZ_DPID_0                   (0x1UL << USB_OTG_HCTSIZ_DPID_Pos) /*!< 0x20000000 */
 #define USB_OTG_HCTSIZ_DPID_1                   (0x2UL << USB_OTG_HCTSIZ_DPID_Pos) /*!< 0x40000000 */
 
 /********************  Bit definition for USB_OTG_DIEPDMA register  ********************/
-#define USB_OTG_DIEPDMA_DMAADDR_Pos             (0U)                           
+#define USB_OTG_DIEPDMA_DMAADDR_Pos             (0U)
 #define USB_OTG_DIEPDMA_DMAADDR_Msk             (0xFFFFFFFFUL << USB_OTG_DIEPDMA_DMAADDR_Pos) /*!< 0xFFFFFFFF */
 #define USB_OTG_DIEPDMA_DMAADDR                 USB_OTG_DIEPDMA_DMAADDR_Msk    /*!< DMA address */
 
 /********************  Bit definition for USB_OTG_HCDMA register  ********************/
-#define USB_OTG_HCDMA_DMAADDR_Pos               (0U)                           
+#define USB_OTG_HCDMA_DMAADDR_Pos               (0U)
 #define USB_OTG_HCDMA_DMAADDR_Msk               (0xFFFFFFFFUL << USB_OTG_HCDMA_DMAADDR_Pos) /*!< 0xFFFFFFFF */
 #define USB_OTG_HCDMA_DMAADDR                   USB_OTG_HCDMA_DMAADDR_Msk      /*!< DMA address */
 
 /********************  Bit definition for USB_OTG_DTXFSTS register  ********************/
-#define USB_OTG_DTXFSTS_INEPTFSAV_Pos           (0U)                           
+#define USB_OTG_DTXFSTS_INEPTFSAV_Pos           (0U)
 #define USB_OTG_DTXFSTS_INEPTFSAV_Msk           (0xFFFFUL << USB_OTG_DTXFSTS_INEPTFSAV_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_DTXFSTS_INEPTFSAV                USB_OTG_DTXFSTS_INEPTFSAV_Msk /*!< IN endpoint TxFIFO space available */
 
 /********************  Bit definition for USB_OTG_DIEPTXF register  ********************/
-#define USB_OTG_DIEPTXF_INEPTXSA_Pos            (0U)                           
+#define USB_OTG_DIEPTXF_INEPTXSA_Pos            (0U)
 #define USB_OTG_DIEPTXF_INEPTXSA_Msk            (0xFFFFUL << USB_OTG_DIEPTXF_INEPTXSA_Pos) /*!< 0x0000FFFF */
 #define USB_OTG_DIEPTXF_INEPTXSA                USB_OTG_DIEPTXF_INEPTXSA_Msk   /*!< IN endpoint FIFOx transmit RAM start address */
-#define USB_OTG_DIEPTXF_INEPTXFD_Pos            (16U)                          
+#define USB_OTG_DIEPTXF_INEPTXFD_Pos            (16U)
 #define USB_OTG_DIEPTXF_INEPTXFD_Msk            (0xFFFFUL << USB_OTG_DIEPTXF_INEPTXFD_Pos) /*!< 0xFFFF0000 */
 #define USB_OTG_DIEPTXF_INEPTXFD                USB_OTG_DIEPTXF_INEPTXFD_Msk   /*!< IN endpoint TxFIFO depth */
 
 /********************  Bit definition for USB_OTG_DOEPCTL register  ********************/
 
-#define USB_OTG_DOEPCTL_MPSIZ_Pos               (0U)                           
+#define USB_OTG_DOEPCTL_MPSIZ_Pos               (0U)
 #define USB_OTG_DOEPCTL_MPSIZ_Msk               (0x7FFUL << USB_OTG_DOEPCTL_MPSIZ_Pos) /*!< 0x000007FF */
 #define USB_OTG_DOEPCTL_MPSIZ                    USB_OTG_DOEPCTL_MPSIZ_Msk     /*!< Maximum packet size */          /*!<Bit 1 */
-#define USB_OTG_DOEPCTL_USBAEP_Pos              (15U)                          
+#define USB_OTG_DOEPCTL_USBAEP_Pos              (15U)
 #define USB_OTG_DOEPCTL_USBAEP_Msk              (0x1UL << USB_OTG_DOEPCTL_USBAEP_Pos) /*!< 0x00008000 */
 #define USB_OTG_DOEPCTL_USBAEP                  USB_OTG_DOEPCTL_USBAEP_Msk     /*!< USB active endpoint */
-#define USB_OTG_DOEPCTL_NAKSTS_Pos              (17U)                          
+#define USB_OTG_DOEPCTL_NAKSTS_Pos              (17U)
 #define USB_OTG_DOEPCTL_NAKSTS_Msk              (0x1UL << USB_OTG_DOEPCTL_NAKSTS_Pos) /*!< 0x00020000 */
 #define USB_OTG_DOEPCTL_NAKSTS                  USB_OTG_DOEPCTL_NAKSTS_Msk     /*!< NAK status */
-#define USB_OTG_DOEPCTL_SD0PID_SEVNFRM_Pos      (28U)                          
+#define USB_OTG_DOEPCTL_SD0PID_SEVNFRM_Pos      (28U)
 #define USB_OTG_DOEPCTL_SD0PID_SEVNFRM_Msk      (0x1UL << USB_OTG_DOEPCTL_SD0PID_SEVNFRM_Pos) /*!< 0x10000000 */
 #define USB_OTG_DOEPCTL_SD0PID_SEVNFRM          USB_OTG_DOEPCTL_SD0PID_SEVNFRM_Msk /*!< Set DATA0 PID */
-#define USB_OTG_DOEPCTL_SODDFRM_Pos             (29U)                          
+#define USB_OTG_DOEPCTL_SODDFRM_Pos             (29U)
 #define USB_OTG_DOEPCTL_SODDFRM_Msk             (0x1UL << USB_OTG_DOEPCTL_SODDFRM_Pos) /*!< 0x20000000 */
 #define USB_OTG_DOEPCTL_SODDFRM                 USB_OTG_DOEPCTL_SODDFRM_Msk    /*!< Set odd frame */
-#define USB_OTG_DOEPCTL_EPTYP_Pos               (18U)                          
+#define USB_OTG_DOEPCTL_EPTYP_Pos               (18U)
 #define USB_OTG_DOEPCTL_EPTYP_Msk               (0x3UL << USB_OTG_DOEPCTL_EPTYP_Pos) /*!< 0x000C0000 */
 #define USB_OTG_DOEPCTL_EPTYP                   USB_OTG_DOEPCTL_EPTYP_Msk      /*!< Endpoint type */
 #define USB_OTG_DOEPCTL_EPTYP_0                 (0x1UL << USB_OTG_DOEPCTL_EPTYP_Pos) /*!< 0x00040000 */
 #define USB_OTG_DOEPCTL_EPTYP_1                 (0x2UL << USB_OTG_DOEPCTL_EPTYP_Pos) /*!< 0x00080000 */
-#define USB_OTG_DOEPCTL_SNPM_Pos                (20U)                          
+#define USB_OTG_DOEPCTL_SNPM_Pos                (20U)
 #define USB_OTG_DOEPCTL_SNPM_Msk                (0x1UL << USB_OTG_DOEPCTL_SNPM_Pos) /*!< 0x00100000 */
 #define USB_OTG_DOEPCTL_SNPM                    USB_OTG_DOEPCTL_SNPM_Msk       /*!< Snoop mode */
-#define USB_OTG_DOEPCTL_STALL_Pos               (21U)                          
+#define USB_OTG_DOEPCTL_STALL_Pos               (21U)
 #define USB_OTG_DOEPCTL_STALL_Msk               (0x1UL << USB_OTG_DOEPCTL_STALL_Pos) /*!< 0x00200000 */
 #define USB_OTG_DOEPCTL_STALL                   USB_OTG_DOEPCTL_STALL_Msk      /*!< STALL handshake */
-#define USB_OTG_DOEPCTL_CNAK_Pos                (26U)                          
+#define USB_OTG_DOEPCTL_CNAK_Pos                (26U)
 #define USB_OTG_DOEPCTL_CNAK_Msk                (0x1UL << USB_OTG_DOEPCTL_CNAK_Pos) /*!< 0x04000000 */
 #define USB_OTG_DOEPCTL_CNAK                    USB_OTG_DOEPCTL_CNAK_Msk       /*!< Clear NAK */
-#define USB_OTG_DOEPCTL_SNAK_Pos                (27U)                          
+#define USB_OTG_DOEPCTL_SNAK_Pos                (27U)
 #define USB_OTG_DOEPCTL_SNAK_Msk                (0x1UL << USB_OTG_DOEPCTL_SNAK_Pos) /*!< 0x08000000 */
 #define USB_OTG_DOEPCTL_SNAK                    USB_OTG_DOEPCTL_SNAK_Msk       /*!< Set NAK */
-#define USB_OTG_DOEPCTL_EPDIS_Pos               (30U)                          
+#define USB_OTG_DOEPCTL_EPDIS_Pos               (30U)
 #define USB_OTG_DOEPCTL_EPDIS_Msk               (0x1UL << USB_OTG_DOEPCTL_EPDIS_Pos) /*!< 0x40000000 */
 #define USB_OTG_DOEPCTL_EPDIS                   USB_OTG_DOEPCTL_EPDIS_Msk      /*!< Endpoint disable */
-#define USB_OTG_DOEPCTL_EPENA_Pos               (31U)                          
+#define USB_OTG_DOEPCTL_EPENA_Pos               (31U)
 #define USB_OTG_DOEPCTL_EPENA_Msk               (0x1UL << USB_OTG_DOEPCTL_EPENA_Pos) /*!< 0x80000000 */
 #define USB_OTG_DOEPCTL_EPENA                   USB_OTG_DOEPCTL_EPENA_Msk      /*!< Endpoint enable */
 
 /********************  Bit definition for USB_OTG_DOEPINT register  ********************/
-#define USB_OTG_DOEPINT_XFRC_Pos                (0U)                           
+#define USB_OTG_DOEPINT_XFRC_Pos                (0U)
 #define USB_OTG_DOEPINT_XFRC_Msk                (0x1UL << USB_OTG_DOEPINT_XFRC_Pos) /*!< 0x00000001 */
 #define USB_OTG_DOEPINT_XFRC                    USB_OTG_DOEPINT_XFRC_Msk       /*!< Transfer completed interrupt */
-#define USB_OTG_DOEPINT_EPDISD_Pos              (1U)                           
+#define USB_OTG_DOEPINT_EPDISD_Pos              (1U)
 #define USB_OTG_DOEPINT_EPDISD_Msk              (0x1UL << USB_OTG_DOEPINT_EPDISD_Pos) /*!< 0x00000002 */
 #define USB_OTG_DOEPINT_EPDISD                  USB_OTG_DOEPINT_EPDISD_Msk     /*!< Endpoint disabled interrupt */
 #define USB_OTG_DOEPINT_AHBERR_Pos               (2U)
 #define USB_OTG_DOEPINT_AHBERR_Msk               (0x1UL << USB_OTG_DOEPINT_AHBERR_Pos) /*!< 0x00000004 */
 #define USB_OTG_DOEPINT_AHBERR                   USB_OTG_DOEPINT_AHBERR_Msk   /*!< AHB Error (AHBErr) during an OUT transaction */
-#define USB_OTG_DOEPINT_STUP_Pos                (3U)                           
+#define USB_OTG_DOEPINT_STUP_Pos                (3U)
 #define USB_OTG_DOEPINT_STUP_Msk                (0x1UL << USB_OTG_DOEPINT_STUP_Pos) /*!< 0x00000008 */
 #define USB_OTG_DOEPINT_STUP                    USB_OTG_DOEPINT_STUP_Msk       /*!< SETUP phase done */
-#define USB_OTG_DOEPINT_OTEPDIS_Pos             (4U)                           
+#define USB_OTG_DOEPINT_OTEPDIS_Pos             (4U)
 #define USB_OTG_DOEPINT_OTEPDIS_Msk             (0x1UL << USB_OTG_DOEPINT_OTEPDIS_Pos) /*!< 0x00000010 */
 #define USB_OTG_DOEPINT_OTEPDIS                 USB_OTG_DOEPINT_OTEPDIS_Msk    /*!< OUT token received when endpoint disabled */
-#define USB_OTG_DOEPINT_OTEPSPR_Pos              (5U)                          
+#define USB_OTG_DOEPINT_OTEPSPR_Pos              (5U)
 #define USB_OTG_DOEPINT_OTEPSPR_Msk              (0x1UL << USB_OTG_DOEPINT_OTEPSPR_Pos) /*!< 0x00000020 */
 #define USB_OTG_DOEPINT_OTEPSPR                  USB_OTG_DOEPINT_OTEPSPR_Msk   /*!< Status Phase Received For Control Write */
-#define USB_OTG_DOEPINT_B2BSTUP_Pos             (6U)                           
+#define USB_OTG_DOEPINT_B2BSTUP_Pos             (6U)
 #define USB_OTG_DOEPINT_B2BSTUP_Msk             (0x1UL << USB_OTG_DOEPINT_B2BSTUP_Pos) /*!< 0x00000040 */
 #define USB_OTG_DOEPINT_B2BSTUP                 USB_OTG_DOEPINT_B2BSTUP_Msk    /*!< Back-to-back SETUP packets received */
 #define USB_OTG_DOEPINT_OUTPKTERR_Pos            (8U)
@@ -1387,7 +1387,7 @@ typedef struct
 #define USB_OTG_DOEPINT_NAK_Pos                  (13U)
 #define USB_OTG_DOEPINT_NAK_Msk                  (0x1UL << USB_OTG_DOEPINT_NAK_Pos) /*!< 0x00002000 */
 #define USB_OTG_DOEPINT_NAK                      USB_OTG_DOEPINT_NAK_Msk   /*!< NAK Packet is transmitted by the device */
-#define USB_OTG_DOEPINT_NYET_Pos                (14U)                          
+#define USB_OTG_DOEPINT_NYET_Pos                (14U)
 #define USB_OTG_DOEPINT_NYET_Msk                (0x1UL << USB_OTG_DOEPINT_NYET_Pos) /*!< 0x00004000 */
 #define USB_OTG_DOEPINT_NYET                    USB_OTG_DOEPINT_NYET_Msk       /*!< NYET interrupt */
 #define USB_OTG_DOEPINT_STPKTRX_Pos              (15U)
@@ -1395,50 +1395,50 @@ typedef struct
 #define USB_OTG_DOEPINT_STPKTRX                  USB_OTG_DOEPINT_STPKTRX_Msk   /*!< Setup Packet Received */
 /********************  Bit definition for USB_OTG_DOEPTSIZ register  ********************/
 
-#define USB_OTG_DOEPTSIZ_XFRSIZ_Pos             (0U)                           
+#define USB_OTG_DOEPTSIZ_XFRSIZ_Pos             (0U)
 #define USB_OTG_DOEPTSIZ_XFRSIZ_Msk             (0x7FFFFUL << USB_OTG_DOEPTSIZ_XFRSIZ_Pos) /*!< 0x0007FFFF */
 #define USB_OTG_DOEPTSIZ_XFRSIZ                 USB_OTG_DOEPTSIZ_XFRSIZ_Msk    /*!< Transfer size */
-#define USB_OTG_DOEPTSIZ_PKTCNT_Pos             (19U)                          
+#define USB_OTG_DOEPTSIZ_PKTCNT_Pos             (19U)
 #define USB_OTG_DOEPTSIZ_PKTCNT_Msk             (0x3FFUL << USB_OTG_DOEPTSIZ_PKTCNT_Pos) /*!< 0x1FF80000 */
 #define USB_OTG_DOEPTSIZ_PKTCNT                 USB_OTG_DOEPTSIZ_PKTCNT_Msk    /*!< Packet count */
 
-#define USB_OTG_DOEPTSIZ_STUPCNT_Pos            (29U)                          
+#define USB_OTG_DOEPTSIZ_STUPCNT_Pos            (29U)
 #define USB_OTG_DOEPTSIZ_STUPCNT_Msk            (0x3UL << USB_OTG_DOEPTSIZ_STUPCNT_Pos) /*!< 0x60000000 */
 #define USB_OTG_DOEPTSIZ_STUPCNT                USB_OTG_DOEPTSIZ_STUPCNT_Msk   /*!< SETUP packet count */
 #define USB_OTG_DOEPTSIZ_STUPCNT_0              (0x1UL << USB_OTG_DOEPTSIZ_STUPCNT_Pos) /*!< 0x20000000 */
 #define USB_OTG_DOEPTSIZ_STUPCNT_1              (0x2UL << USB_OTG_DOEPTSIZ_STUPCNT_Pos) /*!< 0x40000000 */
 
 /********************  Bit definition for PCGCCTL register  ********************/
-#define USB_OTG_PCGCCTL_STOPCLK_Pos             (0U)                           
+#define USB_OTG_PCGCCTL_STOPCLK_Pos             (0U)
 #define USB_OTG_PCGCCTL_STOPCLK_Msk             (0x1UL << USB_OTG_PCGCCTL_STOPCLK_Pos) /*!< 0x00000001 */
 #define USB_OTG_PCGCCTL_STOPCLK                 USB_OTG_PCGCCTL_STOPCLK_Msk    /*!< SETUP packet count */
-#define USB_OTG_PCGCCTL_GATECLK_Pos             (1U)                           
+#define USB_OTG_PCGCCTL_GATECLK_Pos             (1U)
 #define USB_OTG_PCGCCTL_GATECLK_Msk             (0x1UL << USB_OTG_PCGCCTL_GATECLK_Pos) /*!< 0x00000002 */
 #define USB_OTG_PCGCCTL_GATECLK                 USB_OTG_PCGCCTL_GATECLK_Msk    /*!<Bit 0 */
-#define USB_OTG_PCGCCTL_PHYSUSP_Pos             (4U)                           
+#define USB_OTG_PCGCCTL_PHYSUSP_Pos             (4U)
 #define USB_OTG_PCGCCTL_PHYSUSP_Msk             (0x1UL << USB_OTG_PCGCCTL_PHYSUSP_Pos) /*!< 0x00000010 */
 #define USB_OTG_PCGCCTL_PHYSUSP                 USB_OTG_PCGCCTL_PHYSUSP_Msk    /*!<Bit 1 */
 
 /* Legacy define */
 /********************  Bit definition for OTG register  ********************/
-#define USB_OTG_CHNUM_Pos                       (0U)                           
+#define USB_OTG_CHNUM_Pos                       (0U)
 #define USB_OTG_CHNUM_Msk                       (0xFUL << USB_OTG_CHNUM_Pos)    /*!< 0x0000000F */
 #define USB_OTG_CHNUM                           USB_OTG_CHNUM_Msk              /*!< Channel number */
 #define USB_OTG_CHNUM_0                         (0x1UL << USB_OTG_CHNUM_Pos)    /*!< 0x00000001 */
 #define USB_OTG_CHNUM_1                         (0x2UL << USB_OTG_CHNUM_Pos)    /*!< 0x00000002 */
 #define USB_OTG_CHNUM_2                         (0x4UL << USB_OTG_CHNUM_Pos)    /*!< 0x00000004 */
 #define USB_OTG_CHNUM_3                         (0x8UL << USB_OTG_CHNUM_Pos)    /*!< 0x00000008 */
-#define USB_OTG_BCNT_Pos                        (4U)                           
+#define USB_OTG_BCNT_Pos                        (4U)
 #define USB_OTG_BCNT_Msk                        (0x7FFUL << USB_OTG_BCNT_Pos)   /*!< 0x00007FF0 */
 #define USB_OTG_BCNT                            USB_OTG_BCNT_Msk               /*!< Byte count */
 
-#define USB_OTG_DPID_Pos                        (15U)                          
+#define USB_OTG_DPID_Pos                        (15U)
 #define USB_OTG_DPID_Msk                        (0x3UL << USB_OTG_DPID_Pos)     /*!< 0x00018000 */
 #define USB_OTG_DPID                            USB_OTG_DPID_Msk               /*!< Data PID */
 #define USB_OTG_DPID_0                          (0x1UL << USB_OTG_DPID_Pos)     /*!< 0x00008000 */
 #define USB_OTG_DPID_1                          (0x2UL << USB_OTG_DPID_Pos)     /*!< 0x00010000 */
 
-#define USB_OTG_PKTSTS_Pos                      (17U)                          
+#define USB_OTG_PKTSTS_Pos                      (17U)
 #define USB_OTG_PKTSTS_Msk                      (0xFUL << USB_OTG_PKTSTS_Pos)   /*!< 0x001E0000 */
 #define USB_OTG_PKTSTS                          USB_OTG_PKTSTS_Msk             /*!< Packet status */
 #define USB_OTG_PKTSTS_0                        (0x1UL << USB_OTG_PKTSTS_Pos)   /*!< 0x00020000 */
@@ -1446,7 +1446,7 @@ typedef struct
 #define USB_OTG_PKTSTS_2                        (0x4UL << USB_OTG_PKTSTS_Pos)   /*!< 0x00080000 */
 #define USB_OTG_PKTSTS_3                        (0x8UL << USB_OTG_PKTSTS_Pos)   /*!< 0x00100000 */
 
-#define USB_OTG_EPNUM_Pos                       (0U)                           
+#define USB_OTG_EPNUM_Pos                       (0U)
 #define USB_OTG_EPNUM_Msk                       (0xFUL << USB_OTG_EPNUM_Pos)    /*!< 0x0000000F */
 #define USB_OTG_EPNUM                           USB_OTG_EPNUM_Msk              /*!< Endpoint number */
 #define USB_OTG_EPNUM_0                         (0x1UL << USB_OTG_EPNUM_Pos)    /*!< 0x00000001 */
@@ -1454,7 +1454,7 @@ typedef struct
 #define USB_OTG_EPNUM_2                         (0x4UL << USB_OTG_EPNUM_Pos)    /*!< 0x00000004 */
 #define USB_OTG_EPNUM_3                         (0x8UL << USB_OTG_EPNUM_Pos)    /*!< 0x00000008 */
 
-#define USB_OTG_FRMNUM_Pos                      (21U)                          
+#define USB_OTG_FRMNUM_Pos                      (21U)
 #define USB_OTG_FRMNUM_Msk                      (0xFUL << USB_OTG_FRMNUM_Pos)   /*!< 0x01E00000 */
 #define USB_OTG_FRMNUM                          USB_OTG_FRMNUM_Msk             /*!< Frame number */
 #define USB_OTG_FRMNUM_0                        (0x1UL << USB_OTG_FRMNUM_Pos)   /*!< 0x00200000 */
diff --git a/src/portable/sunxi/dcd_sunxi_musb.c b/src/portable/sunxi/dcd_sunxi_musb.c
index a0be846a5..e26be775d 100644
--- a/src/portable/sunxi/dcd_sunxi_musb.c
+++ b/src/portable/sunxi/dcd_sunxi_musb.c
@@ -243,7 +243,7 @@ static void USBC_Dev_SetAddress(u8 address)
 
 static void __USBC_Dev_Tx_SendStall(void)
 {
-	//send stall, and fifo is flushed automaticly
+	//send stall, and fifo is flushed automatically
 	USBC_REG_set_bit_w(USBC_BP_TXCSR_D_SEND_STALL, USBC_REG_TXCSR(USBC0_BASE));
 }
 static u32 __USBC_Dev_Tx_IsEpStall(void)
@@ -996,7 +996,7 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * ep_desc)
   if (dir_in) {
     USBC_Writew(mps, USBC_REG_TXMAXP(USBC0_BASE));
 
-    reg_val = (1 << USBC_BP_TXCSR_D_MODE) 
+    reg_val = (1 << USBC_BP_TXCSR_D_MODE)
       | (1 << USBC_BP_TXCSR_D_FLUSH_FIFO)
       | (1 << USBC_BP_TXCSR_D_CLEAR_DATA_TOGGLE);
     if  (xfer == TUSB_XFER_ISOCHRONOUS)
@@ -1048,7 +1048,7 @@ void dcd_edpt_close_all(uint8_t rhport)
       USBC_REG_TXCSR(USBC0_BASE));
 
     USBC_Writew(0, USBC_REG_RXMAXP(USBC0_BASE));
-	  USBC_Writew((1 << USBC_BP_RXCSR_D_CLEAR_DATA_TOGGLE) | (1 << USBC_BP_RXCSR_D_FLUSH_FIFO), 
+	  USBC_Writew((1 << USBC_BP_RXCSR_D_CLEAR_DATA_TOGGLE) | (1 << USBC_BP_RXCSR_D_FLUSH_FIFO),
       USBC_REG_RXCSR(USBC0_BASE));
 
     USBC_Writew(0, USBC_REG_TXFIFOAD(USBC0_BASE));
@@ -1078,7 +1078,7 @@ void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
   } else {
     USBC_INT_DisableRxEp(epn);
     USBC_Writew(0, USBC_REG_RXMAXP(USBC0_BASE));
-	  USBC_Writew((1 << USBC_BP_RXCSR_D_CLEAR_DATA_TOGGLE) | (1 << USBC_BP_RXCSR_D_FLUSH_FIFO), 
+	  USBC_Writew((1 << USBC_BP_RXCSR_D_CLEAR_DATA_TOGGLE) | (1 << USBC_BP_RXCSR_D_FLUSH_FIFO),
       USBC_REG_RXCSR(USBC0_BASE));
 
     USBC_Writew(0, USBC_REG_RXFIFOAD(USBC0_BASE));
diff --git a/src/portable/sunxi/musb_def.h b/src/portable/sunxi/musb_def.h
index 602b4f113..53da5ded2 100644
--- a/src/portable/sunxi/musb_def.h
+++ b/src/portable/sunxi/musb_def.h
@@ -93,7 +93,7 @@
 #define  USBC1_BASE                 0x01c14000
 #define  USBC2_BASE                 0x01c1E000
 
-//Some reg whithin musb
+//Some reg within musb
 #define USBPHY_CLK_REG 		0x01c200CC
 #define USBPHY_CLK_RST_BIT 0
 #define USBPHY_CLK_GAT_BIT 1
diff --git a/src/portable/synopsys/dwc2/dcd_dwc2.c b/src/portable/synopsys/dwc2/dcd_dwc2.c
index f5ecdfe4f..c6132a1f5 100644
--- a/src/portable/synopsys/dwc2/dcd_dwc2.c
+++ b/src/portable/synopsys/dwc2/dcd_dwc2.c
@@ -529,8 +529,10 @@ void dcd_init (uint8_t rhport)
   dwc2->dcfg |= DCFG_NZLSOHSK;
 
   // Clear all interrupts
-  dwc2->gintsts |= dwc2->gintsts;
-  dwc2->gotgint |= dwc2->gotgint;
+  uint32_t int_mask = dwc2->gintsts;
+  dwc2->gintsts |= int_mask;
+  int_mask = dwc2->gotgint;
+  dwc2->gotgint |= int_mask;
 
   // Required as part of core initialization.
   // TODO: How should mode mismatch be handled? It will cause
@@ -1003,7 +1005,7 @@ static void handle_rxflvl_irq(uint8_t rhport)
 
   switch ( pktsts )
   {
-    // Global OUT NAK: do nothign
+    // Global OUT NAK: do nothing
     case GRXSTS_PKTSTS_GLOBALOUTNAK: break;
 
     case GRXSTS_PKTSTS_SETUPRX:
@@ -1219,7 +1221,8 @@ void dcd_int_handler(uint8_t rhport)
 {
   dwc2_regs_t *dwc2 = DWC2_REG(rhport);
 
-  uint32_t const int_status = dwc2->gintsts & dwc2->gintmsk;
+  uint32_t const int_mask = dwc2->gintmsk;
+  uint32_t const int_status = dwc2->gintsts & int_mask;
 
   if(int_status & GINTSTS_USBRST)
   {
diff --git a/src/portable/synopsys/dwc2/dwc2_stm32.h b/src/portable/synopsys/dwc2/dwc2_stm32.h
index 1187e0d6e..cb455bd90 100644
--- a/src/portable/synopsys/dwc2/dwc2_stm32.h
+++ b/src/portable/synopsys/dwc2/dwc2_stm32.h
@@ -64,6 +64,10 @@
 
   // NOTE: H7 with only 1 USB port: H72x / H73x / H7Ax / H7Bx
   // USB_OTG_FS_PERIPH_BASE and OTG_FS_IRQn not defined
+  #if (! defined USB2_OTG_FS)
+    #define USB_OTG_FS_PERIPH_BASE  USB1_OTG_HS_PERIPH_BASE
+    #define OTG_FS_IRQn             OTG_HS_IRQn
+  #endif
 
 #elif CFG_TUSB_MCU == OPT_MCU_STM32F7
   #include "stm32f7xx.h"
@@ -78,6 +82,12 @@
   #define EP_MAX_FS       6
   #define EP_FIFO_SIZE_FS 1280
 
+#elif CFG_TUSB_MCU == OPT_MCU_STM32U5
+  #include "stm32u5xx.h"
+  #define USB_OTG_FS_PERIPH_BASE       USB_OTG_FS_BASE
+  #define EP_MAX_FS       6
+  #define EP_FIFO_SIZE_FS 1280
+
 #else
   #error "Unsupported MCUs"
 #endif
@@ -106,19 +116,19 @@ static const dwc2_controller_t _dwc2_controller[] =
 //
 //--------------------------------------------------------------------+
 
-// SystemCoreClock is alrady included by family header
+// SystemCoreClock is already included by family header
 // extern uint32_t SystemCoreClock;
 
 TU_ATTR_ALWAYS_INLINE
 static inline void dwc2_dcd_int_enable(uint8_t rhport)
 {
-  NVIC_EnableIRQ(_dwc2_controller[rhport].irqnum);
+  NVIC_EnableIRQ((IRQn_Type)_dwc2_controller[rhport].irqnum);
 }
 
 TU_ATTR_ALWAYS_INLINE
 static inline void dwc2_dcd_int_disable (uint8_t rhport)
 {
-  NVIC_DisableIRQ(_dwc2_controller[rhport].irqnum);
+  NVIC_DisableIRQ((IRQn_Type)_dwc2_controller[rhport].irqnum);
 }
 
 TU_ATTR_ALWAYS_INLINE
diff --git a/src/portable/template/dcd_template.c b/src/portable/template/dcd_template.c
index 26b5dce9d..590dd9fcf 100644
--- a/src/portable/template/dcd_template.c
+++ b/src/portable/template/dcd_template.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2018, hathach (tinyusb.org)
diff --git a/src/portable/valentyusb/eptri/dcd_eptri.c b/src/portable/valentyusb/eptri/dcd_eptri.c
index e368b5f39..58628a8bb 100644
--- a/src/portable/valentyusb/eptri/dcd_eptri.c
+++ b/src/portable/valentyusb/eptri/dcd_eptri.c
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
@@ -465,7 +465,7 @@ void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr)
       enable = 1;
     usb_out_ctrl_write((0 << CSR_USB_OUT_CTRL_STALL_OFFSET) | (enable << CSR_USB_OUT_CTRL_ENABLE_OFFSET) | tu_edpt_number(ep_addr));
   }
-  // IN endpoints will get unstalled when more data is written.
+  // IN endpoints will get un-stalled when more data is written.
 }
 
 bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t total_bytes)
diff --git a/src/portable/valentyusb/eptri/dcd_eptri.h b/src/portable/valentyusb/eptri/dcd_eptri.h
index 0fa6ecc64..d67635d7c 100644
--- a/src/portable/valentyusb/eptri/dcd_eptri.h
+++ b/src/portable/valentyusb/eptri/dcd_eptri.h
@@ -1,4 +1,4 @@
-/* 
+/*
  * The MIT License (MIT)
  *
  * Copyright (c) 2019 Ha Thach (tinyusb.org)
diff --git a/src/portable/wch/ch32v307/ch32_usbhs_reg.h b/src/portable/wch/ch32v307/ch32_usbhs_reg.h
new file mode 100644
index 000000000..5a2c1fbc9
--- /dev/null
+++ b/src/portable/wch/ch32v307/ch32_usbhs_reg.h
@@ -0,0 +1,345 @@
+#ifndef _USB_CH32_USBHS_REG_H
+#define _USB_CH32_USBHS_REG_H
+
+#include <ch32v30x.h>
+
+/******************* GLOBAL ******************/
+
+// USB CONTROL
+#define USBHS_CONTROL_OFFSET 0x00
+#define USBHS_DMA_EN         (1 << 0)
+#define USBHS_ALL_CLR        (1 << 1)
+#define USBHS_FORCE_RST      (1 << 2)
+#define USBHS_INT_BUSY_EN    (1 << 3)
+#define USBHS_DEV_PU_EN      (1 << 4)
+#define USBHS_SPEED_MASK     (3 << 5)
+#define USBHS_FULL_SPEED     (0 << 5)
+#define USBHS_HIGH_SPEED     (1 << 5)
+#define USBHS_LOW_SPEED      (2 << 5)
+#define USBHS_HOST_MODE      (1 << 7)
+
+// USB_INT_EN
+#define USBHS_INT_EN_OFFSET 0x02
+#define USBHS_BUS_RST_EN    (1 << 0)
+#define USBHS_DETECT_EN     (1 << 0)
+#define USBHS_TRANSFER_EN   (1 << 1)
+#define USBHS_SUSPEND_EN    (1 << 2)
+#define USBHS_SOF_ACT_EN    (1 << 3)
+#define USBHS_FIFO_OV_EN    (1 << 4)
+#define USBHS_SETUP_ACT_EN  (1 << 5)
+#define USBHS_ISO_ACT_EN    (1 << 6)
+#define USBHS_DEV_NAK_EN    (1 << 7)
+
+// USB DEV AD
+#define USBHS_DEV_AD_OFFSET 0x03
+// USB FRAME_NO
+#define USBHS_FRAME_NO_OFFSET 0x04
+// USB SUSPEND
+#define USBHS_SUSPEND_OFFSET    0x06
+#define USBHS_DEV_REMOTE_WAKEUP (1 << 2)
+#define USBHS_LINESTATE_MASK    (2 << 4) /* Read Only */
+
+// RESERVED0
+
+// USB SPEED TYPE
+#define USBHS_SPEED_TYPE_OFFSET 0x08
+#define USBSPEED_MASK           (0x03)
+
+// USB_MIS_ST
+#define USBHS_MIS_ST_OFFSET 0x09
+#define USBHS_SPLIT_CAN     (1 << 0)
+#define USBHS_ATTACH        (1 << 1)
+#define USBHS_SUSPEND       (1 << 2)
+#define USBHS_BUS_RESET     (1 << 3)
+#define USBHS_R_FIFO_RDY    (1 << 4)
+#define USBHS_SIE_FREE      (1 << 5)
+#define USBHS_SOF_ACT       (1 << 6)
+#define USBHS_SOF_PRES      (1 << 7)
+
+// INT_FLAG
+#define USBHS_INT_FLAG_OFFSET 0x0A
+#define USBHS_BUS_RST_FLAG    (1 << 0)
+#define USBHS_DETECT_FLAG     (1 << 0)
+#define USBHS_TRANSFER_FLAG   (1 << 1)
+#define USBHS_SUSPEND_FLAG    (1 << 2)
+#define USBHS_HST_SOF_FLAG    (1 << 3)
+#define USBHS_FIFO_OV_FLAG    (1 << 4)
+#define USBHS_SETUP_FLAG      (1 << 5)
+#define USBHS_ISO_ACT_FLAG    (1 << 6)
+
+// INT_ST
+#define USBHS_INT_ST_OFFSET  0x0B
+#define USBHS_DEV_UIS_IS_NAK (1 << 7)
+#define USBHS_DEV_UIS_TOG_OK (1 << 6)
+#define MASK_UIS_TOKEN       (3 << 4)
+#define MASK_UIS_ENDP        (0x0F)
+#define MASK_UIS_H_RES       (0x0F)
+
+#define USBHS_TOGGLE_OK (0x40)
+#define USBHS_HOST_RES  (0x0f)
+
+//USB_RX_LEN
+#define USBHS_RX_LEN_OFFSET 0x0C
+/******************* DEVICE ******************/
+
+//UEP_CONFIG
+#define USBHS_UEP_CONFIG_OFFSET 0x10
+#define USBHS_EP0_T_EN          (1 << 0)
+#define USBHS_EP0_R_EN          (1 << 16)
+
+#define USBHS_EP1_T_EN (1 << 1)
+#define USBHS_EP1_R_EN (1 << 17)
+
+#define USBHS_EP2_T_EN (1 << 2)
+#define USBHS_EP2_R_EN (1 << 18)
+
+#define USBHS_EP3_T_EN (1 << 3)
+#define USBHS_EP3_R_EN (1 << 19)
+
+#define USBHS_EP4_T_EN (1 << 4)
+#define USBHS_EP4_R_EN (1 << 20)
+
+#define USBHS_EP5_T_EN (1 << 5)
+#define USBHS_EP5_R_EN (1 << 21)
+
+#define USBHS_EP6_T_EN (1 << 6)
+#define USBHS_EP6_R_EN (1 << 22)
+
+#define USBHS_EP7_T_EN (1 << 7)
+#define USBHS_EP7_R_EN (1 << 23)
+
+#define USBHS_EP8_T_EN (1 << 8)
+#define USBHS_EP8_R_EN (1 << 24)
+
+#define USBHS_EP9_T_EN (1 << 9)
+#define USBHS_EP9_R_EN (1 << 25)
+
+#define USBHS_EP10_T_EN (1 << 10)
+#define USBHS_EP10_R_EN (1 << 26)
+
+#define USBHS_EP11_T_EN (1 << 11)
+#define USBHS_EP11_R_EN (1 << 27)
+
+#define USBHS_EP12_T_EN (1 << 12)
+#define USBHS_EP12_R_EN (1 << 28)
+
+#define USBHS_EP13_T_EN (1 << 13)
+#define USBHS_EP13_R_EN (1 << 29)
+
+#define USBHS_EP14_T_EN (1 << 14)
+#define USBHS_EP14_R_EN (1 << 30)
+
+#define USBHS_EP15_T_EN (1 << 15)
+#define USBHS_EP15_R_EN (1 << 31)
+
+//UEP_TYPE
+#define USBHS_UEP_TYPE_OFFSET 0x14
+#define USBHS_EP0_T_TYP       (1 << 0)
+#define USBHS_EP0_R_TYP       (1 << 16)
+
+#define USBHS_EP1_T_TYP (1 << 1)
+#define USBHS_EP1_R_TYP (1 << 17)
+
+#define USBHS_EP2_T_TYP (1 << 2)
+#define USBHS_EP2_R_TYP (1 << 18)
+
+#define USBHS_EP3_T_TYP (1 << 3)
+#define USBHS_EP3_R_TYP (1 << 19)
+
+#define USBHS_EP4_T_TYP (1 << 4)
+#define USBHS_EP4_R_TYP (1 << 20)
+
+#define USBHS_EP5_T_TYP (1 << 5)
+#define USBHS_EP5_R_TYP (1 << 21)
+
+#define USBHS_EP6_T_TYP (1 << 6)
+#define USBHS_EP6_R_TYP (1 << 22)
+
+#define USBHS_EP7_T_TYP (1 << 7)
+#define USBHS_EP7_R_TYP (1 << 23)
+
+#define USBHS_EP8_T_TYP (1 << 8)
+#define USBHS_EP8_R_TYP (1 << 24)
+
+#define USBHS_EP9_T_TYP (1 << 8)
+#define USBHS_EP9_R_TYP (1 << 25)
+
+#define USBHS_EP10_T_TYP (1 << 10)
+#define USBHS_EP10_R_TYP (1 << 26)
+
+#define USBHS_EP11_T_TYP (1 << 11)
+#define USBHS_EP11_R_TYP (1 << 27)
+
+#define USBHS_EP12_T_TYP (1 << 12)
+#define USBHS_EP12_R_TYP (1 << 28)
+
+#define USBHS_EP13_T_TYP (1 << 13)
+#define USBHS_EP13_R_TYP (1 << 29)
+
+#define USBHS_EP14_T_TYP (1 << 14)
+#define USBHS_EP14_R_TYP (1 << 30)
+
+#define USBHS_EP15_T_TYP (1 << 15)
+#define USBHS_EP15_R_TYP (1 << 31)
+
+/* BUF_MOD UEP1~15 */
+#define USBHS_BUF_MOD_OFFSET  0x18
+#define USBHS_EP0_BUF_MOD     (1 << 0)
+#define USBHS_EP0_ISO_BUF_MOD (1 << 16)
+
+#define USBHS_EP1_BUF_MOD     (1 << 1)
+#define USBHS_EP1_ISO_BUF_MOD (1 << 17)
+
+#define USBHS_EP2_BUF_MOD     (1 << 2)
+#define USBHS_EP2_ISO_BUF_MOD (1 << 18)
+
+#define USBHS_EP3_BUF_MOD     (1 << 3)
+#define USBHS_EP3_ISO_BUF_MOD (1 << 19)
+
+#define USBHS_EP4_BUF_MOD     (1 << 4)
+#define USBHS_EP4_ISO_BUF_MOD (1 << 20)
+
+#define USBHS_EP5_BUF_MOD     (1 << 5)
+#define USBHS_EP5_ISO_BUF_MOD (1 << 21)
+
+#define USBHS_EP6_BUF_MOD     (1 << 6)
+#define USBHS_EP6_ISO_BUF_MOD (1 << 22)
+
+#define USBHS_EP7_BUF_MOD     (1 << 7)
+#define USBHS_EP7_ISO_BUF_MOD (1 << 23)
+
+#define USBHS_EP8_BUF_MOD     (1 << 8)
+#define USBHS_EP8_ISO_BUF_MOD (1 << 24)
+
+#define USBHS_EP9_BUF_MOD     (1 << 9)
+#define USBHS_EP9_ISO_BUF_MOD (1 << 25)
+
+#define USBHS_EP10_BUF_MOD     (1 << 10)
+#define USBHS_EP10_ISO_BUF_MOD (1 << 26)
+
+#define USBHS_EP11_BUF_MOD     (1 << 11)
+#define USBHS_EP11_ISO_BUF_MOD (1 << 27)
+
+#define USBHS_EP12_BUF_MOD     (1 << 12)
+#define USBHS_EP12_ISO_BUF_MOD (1 << 28)
+
+#define USBHS_EP13_BUF_MOD     (1 << 13)
+#define USBHS_EP13_ISO_BUF_MOD (1 << 29)
+
+#define USBHS_EP14_BUF_MOD     (1 << 14)
+#define USBHS_EP14_ISO_BUF_MOD (1 << 30)
+
+#define USBHS_EP15_BUF_MOD     (1 << 15)
+#define USBHS_EP15_ISO_BUF_MOD (1 << 31)
+//USBHS_EPn_T_EN  USBHS_EPn_R_EN  USBHS_EPn_BUF_MOD  Description: Arrange from low to high with UEPn_DMA as the starting address
+//      0               0               x            The endpoint is disabled and the UEPn_*_DMA buffers are not used.
+//      1               0               0            The first address of the receive (OUT) buffer is UEPn_RX_DMA
+//      1               0               1            RB_UEPn_RX_TOG[0]=0, use buffer UEPn_RX_DMA RB_UEPn_RX_TOG[0]=1, use buffer UEPn_TX_DMA
+//      0               1               0            The first address of the transmit (IN) buffer is UEPn_TX_DMA.
+//      0               1               1            RB_UEPn_TX_TOG[0]=0, use buffer UEPn_TX_DMA RB_UEPn_TX_TOG[0]=1, use buffer UEPn_RX_DMA
+
+/* USB0_DMA */
+#define USBHS_UEP0_DMA_OFFSET(n) (0x1C) // endpoint 0 DMA buffer address
+
+/* USBX_RX_DMA */
+#define USBHS_UEPx_RX_DMA_OFFSET(n) (0x1C + 4 * (n)) // endpoint x DMA buffer address
+
+#define USBHS_UEPx_TX_DMA_OFFSET(n) (0x58 + 4 * (n)) // endpoint x DMA buffer address
+
+#define USBHS_UEPx_MAX_LEN_OFFSET(n) (0x98 + 4 * (n)) // endpoint x DMA buffer address
+
+#define USBHS_UEPx_T_LEN_OFFSET(n)   (0xD8 + 4 * (n)) // endpoint x DMA buffer address
+#define USBHS_UEPx_TX_CTRL_OFFSET(n) (0xD8 + 4 * (n) + 2) // endpoint x DMA buffer address
+#define USBHS_UEPx_RX_CTRL_OFFSET(n) (0xD8 + 4 * (n) + 3) // endpoint x DMA buffer address
+
+// UEPn_T_LEN
+#define USBHS_EP_T_LEN_MASK (0x7FF)
+
+//UEPn_TX_CTRL
+#define USBHS_EP_T_RES_MASK  (3 << 0)
+#define USBHS_EP_T_RES_ACK   (0 << 0)
+#define USBHS_EP_T_RES_NYET  (1 << 0)
+#define USBHS_EP_T_RES_NAK   (2 << 0)
+#define USBHS_EP_T_RES_STALL (3 << 0)
+
+#define USBHS_EP_T_TOG_MASK (3 << 3)
+#define USBHS_EP_T_TOG_0    (0 << 3)
+#define USBHS_EP_T_TOG_1    (1 << 3)
+#define USBHS_EP_T_TOG_2    (2 << 3)
+#define USBHS_EP_T_TOG_M    (3 << 3)
+
+#define USBHS_EP_T_AUTOTOG (1 << 5)
+
+//UEPn_RX_CTRL
+#define USBHS_EP_R_RES_MASK  (3 << 0)
+#define USBHS_EP_R_RES_ACK   (0 << 0)
+#define USBHS_EP_R_RES_NYET  (1 << 0)
+#define USBHS_EP_R_RES_NAK   (2 << 0)
+#define USBHS_EP_R_RES_STALL (3 << 0)
+
+#define USBHS_EP_R_TOG_MASK (3 << 3)
+#define USBHS_EP_R_TOG_0    (0 << 3)
+#define USBHS_EP_R_TOG_1    (1 << 3)
+#define USBHS_EP_R_TOG_2    (2 << 3)
+#define USBHS_EP_R_TOG_M    (3 << 3)
+
+#define USBHS_EP_R_AUTOTOG (1 << 5)
+
+#define USBHS_TOG_MATCH (1 << 6)
+
+/******************* HOST ******************/
+// USB HOST_CTRL
+#define USBHS_SEND_BUS_RESET   (1 << 0)
+#define USBHS_SEND_BUS_SUSPEND (1 << 1)
+#define USBHS_SEND_BUS_RESUME  (1 << 2)
+#define USBHS_REMOTE_WAKE      (1 << 3)
+#define USBHS_PHY_SUSPENDM     (1 << 4)
+#define USBHS_UH_SOFT_FREE     (1 << 6)
+#define USBHS_SEND_SOF_EN      (1 << 7)
+
+//UH_CONFIG
+#define USBHS_HOST_TX_EN (1 << 3)
+#define USBHS_HOST_RX_EN (1 << 18)
+
+// HOST_EP_TYPE
+#define USBHS_ENDP_TX_ISO (1 << 3)
+#define USBHS_ENDP_RX_ISO (1 << (16 + 2))
+
+// R32_UH_EP_PID
+#define USBHS_HOST_MASK_TOKEN (0x0f)
+#define USBHS_HOST_MASK_ENDP  (0x0f << 4)
+
+//R8_UH_RX_CTRL
+#define USBHS_EP_R_RES_MASK  (3 << 0)
+#define USBHS_EP_R_RES_ACK   (0 << 0)
+#define USBHS_EP_R_RES_NYET  (1 << 0)
+#define USBHS_EP_R_RES_NAK   (2 << 0)
+#define USBHS_EP_R_RES_STALL (3 << 0)
+
+#define USBHS_UH_R_RES_NO   (1 << 2)
+#define USBHS_UH_R_TOG_1    (1 << 3)
+#define USBHS_UH_R_TOG_2    (2 << 3)
+#define USBHS_UH_R_TOG_3    (3 << 3)
+#define USBHS_UH_R_TOG_AUTO (1 << 5)
+#define USBHS_UH_R_DATA_NO  (1 << 6)
+//R8_UH_TX_CTRL
+#define USBHS_UH_T_RES_MASK  (3 << 0)
+#define USBHS_UH_T_RES_ACK   (0 << 0)
+#define USBHS_UH_T_RES_NYET  (1 << 0)
+#define USBHS_UH_T_RES_NAK   (2 << 0)
+#define USBHS_UH_T_RES_STALL (3 << 0)
+
+#define USBHS_UH_T_RES_NO   (1 << 2)
+#define USBHS_UH_T_TOG_1    (1 << 3)
+#define USBHS_UH_T_TOG_2    (2 << 3)
+#define USBHS_UH_T_TOG_3    (3 << 3)
+#define USBHS_UH_T_TOG_AUTO (1 << 5)
+#define USBHS_UH_T_DATA_NO  (1 << 6)
+
+// 00: OUT, 01:SOF, 10:IN, 11:SETUP
+#define PID_OUT   0
+#define PID_SOF   1
+#define PID_IN    2
+#define PID_SETUP 3
+
+#endif
diff --git a/src/portable/wch/ch32v307/dcd_usbhs.c b/src/portable/wch/ch32v307/dcd_usbhs.c
new file mode 100644
index 000000000..3ad011cff
--- /dev/null
+++ b/src/portable/wch/ch32v307/dcd_usbhs.c
@@ -0,0 +1,391 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2022 Greg Davill
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ * This file is part of the TinyUSB stack.
+ */
+
+#include "tusb_option.h"
+
+#if CFG_TUD_ENABLED && (CFG_TUSB_MCU == OPT_MCU_CH32V307)
+#include "device/dcd.h"
+
+#include "ch32_usbhs_reg.h"
+#include "core_riscv.h"
+
+// Max number of bi-directional endpoints including EP0
+#define EP_MAX 16
+
+typedef struct {
+    uint8_t *buffer;
+    // tu_fifo_t * ff; // TODO support dcd_edpt_xfer_fifo API
+    uint16_t total_len;
+    uint16_t queued_len;
+    uint16_t max_size;
+    bool short_packet;
+} xfer_ctl_t;
+
+#define XFER_CTL_BASE(_ep, _dir) &xfer_status[_ep][_dir]
+static xfer_ctl_t xfer_status[EP_MAX][2];
+
+#define EP_TX_LEN(ep) *(volatile uint16_t *)((volatile uint16_t *)&(USBHSD->UEP0_TX_LEN) + (ep)*2)
+#define EP_TX_CTRL(ep) *(volatile uint8_t *)((volatile uint8_t *)&(USBHSD->UEP0_TX_CTRL) + (ep)*4)
+#define EP_RX_CTRL(ep) *(volatile uint8_t *)((volatile uint8_t *)&(USBHSD->UEP0_RX_CTRL) + (ep)*4)
+#define EP_RX_MAX_LEN(ep) *(volatile uint16_t *)((volatile uint16_t *)&(USBHSD->UEP0_MAX_LEN) + (ep)*2)
+
+#define EP_TX_DMA_ADDR(ep) *(volatile uint32_t *)((volatile uint32_t *)&(USBHSD->UEP1_TX_DMA) + (ep - 1))
+#define EP_RX_DMA_ADDR(ep) *(volatile uint32_t *)((volatile uint32_t *)&(USBHSD->UEP1_RX_DMA) + (ep - 1))
+
+/* Endpoint Buffer */
+TU_ATTR_ALIGNED(4) uint8_t EP0_DatabufHD[64];  // ep0(64)
+
+volatile uint8_t USBHS_Dev_Endp0_Tog = 0x01;
+
+void dcd_init(uint8_t rhport) {
+    (void)rhport;
+
+    memset(&xfer_status, 0, sizeof(xfer_status));
+
+    USBHSD->HOST_CTRL = 0x00;
+    USBHSD->HOST_CTRL = USBHS_PHY_SUSPENDM;
+
+    USBHSD->CONTROL = 0;
+
+#if TUD_OPT_HIGH_SPEED
+    USBHSD->CONTROL = USBHS_DMA_EN | USBHS_INT_BUSY_EN | USBHS_HIGH_SPEED;
+#else
+    #error OPT_MODE_FULL_SPEED not currently supported on CH32V307
+    USBHSD->CONTROL = USBHS_DMA_EN | USBHS_INT_BUSY_EN | USBHS_FULL_SPEED;
+#endif
+
+    USBHSD->INT_EN = 0;
+    USBHSD->INT_EN = USBHS_SETUP_ACT_EN | USBHS_TRANSFER_EN | USBHS_DETECT_EN | USBHS_SUSPEND_EN;
+
+    /* ALL endpoint enable */
+    USBHSD->ENDP_CONFIG = 0xffffffff;
+
+    USBHSD->ENDP_CONFIG = USBHS_EP0_T_EN | USBHS_EP0_R_EN;
+    USBHSD->ENDP_TYPE = 0x00;
+    USBHSD->BUF_MODE = 0x00;
+
+    USBHSD->UEP0_MAX_LEN = 64;
+
+    USBHSD->UEP0_DMA = (uint32_t)EP0_DatabufHD;
+
+    USBHSD->UEP0_TX_LEN = 0;
+    USBHSD->UEP0_TX_CTRL = USBHS_EP_T_RES_NAK;
+    USBHSD->UEP0_RX_CTRL = USBHS_EP_R_RES_ACK;
+
+    for (int ep = 1; ep < EP_MAX; ep++) {
+        EP_TX_LEN(ep) = 0;
+        EP_TX_CTRL(ep) = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK;
+        EP_RX_CTRL(ep) = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_NAK;
+
+        EP_RX_MAX_LEN(ep) = 512;
+    }
+
+    USBHSD->DEV_AD = 0;
+    USBHSD->CONTROL |= USBHS_DEV_PU_EN;
+}
+
+void dcd_int_enable(uint8_t rhport) {
+    (void)rhport;
+
+    NVIC_EnableIRQ(USBHS_IRQn);
+}
+
+void dcd_int_disable(uint8_t rhport) {
+    (void)rhport;
+
+    NVIC_DisableIRQ(USBHS_IRQn);
+}
+
+void dcd_edpt_close_all(uint8_t rhport) {
+    (void)rhport;
+}
+
+void dcd_set_address(uint8_t rhport, uint8_t dev_addr) {
+    (void)dev_addr;
+
+    // Response with zlp status
+    dcd_edpt_xfer(rhport, 0x80, NULL, 0);
+}
+
+void dcd_remote_wakeup(uint8_t rhport)
+{
+  (void) rhport;
+}
+
+void dcd_edpt0_status_complete(uint8_t rhport, tusb_control_request_t const *request) {
+    (void)rhport;
+
+    if (request->bmRequestType_bit.recipient == TUSB_REQ_RCPT_DEVICE &&
+        request->bmRequestType_bit.type == TUSB_REQ_TYPE_STANDARD &&
+        request->bRequest == TUSB_REQ_SET_ADDRESS) {
+        USBHSD->DEV_AD = (uint8_t)request->wValue;
+    }
+
+    EP_TX_CTRL(0) = USBHS_EP_T_RES_NAK;
+    EP_RX_CTRL(0) = USBHS_EP_R_RES_ACK;
+}
+
+bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const *desc_edpt) {
+    (void)rhport;
+
+    uint8_t const epnum = tu_edpt_number(desc_edpt->bEndpointAddress);
+    uint8_t const dir = tu_edpt_dir(desc_edpt->bEndpointAddress);
+
+    TU_ASSERT(epnum < EP_MAX);
+
+    xfer_ctl_t *xfer = XFER_CTL_BASE(epnum, dir);
+    xfer->max_size = tu_edpt_packet_size(desc_edpt);
+
+    if (epnum != 0) {
+        if (tu_edpt_dir(desc_edpt->bEndpointAddress) == TUSB_DIR_OUT) {
+            EP_RX_CTRL(epnum) = USBHS_EP_R_AUTOTOG | USBHS_EP_R_RES_ACK;
+        } else {
+            EP_TX_LEN(epnum) = 0;
+            EP_TX_CTRL(epnum) = USBHS_EP_T_AUTOTOG | USBHS_EP_T_RES_NAK | USBHS_EP_T_TOG_0;
+        }
+    }
+
+    return true;
+}
+
+int usbd_ep_close(const uint8_t ep) {
+    (void)ep;
+
+    return 0;
+}
+void dcd_edpt_stall(uint8_t rhport, uint8_t ep_addr) {
+    (void)rhport;
+
+    uint8_t const epnum = tu_edpt_number(ep_addr);
+    uint8_t const dir = tu_edpt_dir(ep_addr);
+
+    if (epnum == 0) {
+        if (dir == TUSB_DIR_OUT) {
+            USBHSD->UEP0_RX_CTRL = USBHS_EP_R_RES_STALL;
+        } else {
+            USBHSD->UEP0_TX_LEN = 0;
+            USBHSD->UEP0_TX_CTRL = USBHS_EP_T_RES_STALL;
+        }
+    } else {
+        if (dir == TUSB_DIR_OUT) {
+            EP_RX_CTRL(epnum) = (EP_RX_CTRL(epnum) & ~USBHS_EP_R_RES_MASK) | USBHS_EP_R_RES_STALL;
+
+        } else {
+            EP_TX_CTRL(epnum) = (EP_TX_CTRL(epnum) & ~USBHS_EP_T_RES_MASK) | USBHS_EP_T_RES_STALL;
+        }
+    }
+}
+
+void dcd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr) {
+    (void)rhport;
+
+    uint8_t const epnum = tu_edpt_number(ep_addr);
+    uint8_t const dir = tu_edpt_dir(ep_addr);
+
+    if (epnum == 0) {
+        if (dir == TUSB_DIR_OUT) {
+            USBHSD->UEP0_RX_CTRL = USBHS_EP_R_RES_ACK;
+        } else {
+        }
+    } else {
+        if (dir == TUSB_DIR_OUT) {
+            EP_RX_CTRL(epnum) = (EP_RX_CTRL(epnum) & ~(USBHS_EP_R_RES_MASK | USBHS_EP_T_TOG_MASK)) | USBHS_EP_T_RES_ACK;
+
+        } else {
+            EP_TX_CTRL(epnum) = (EP_TX_CTRL(epnum) & ~(USBHS_EP_T_RES_MASK | USBHS_EP_T_TOG_MASK)) | USBHS_EP_T_RES_NAK;
+        }
+    }
+}
+
+bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t *buffer, uint16_t total_bytes) {
+    (void)rhport;
+    uint8_t const epnum = tu_edpt_number(ep_addr);
+    uint8_t const dir = tu_edpt_dir(ep_addr);
+
+    xfer_ctl_t *xfer = XFER_CTL_BASE(epnum, dir);
+    xfer->buffer = buffer;
+    // xfer->ff           = NULL; // TODO support dcd_edpt_xfer_fifo API
+    xfer->total_len = total_bytes;
+    xfer->queued_len = 0;
+    xfer->short_packet = false;
+
+    // uint16_t num_packets = (total_bytes / xfer->max_size);
+    uint16_t short_packet_size = total_bytes % (xfer->max_size + 1);
+
+    // Zero-size packet is special case.
+    if (short_packet_size == 0 || (total_bytes == 0)) {
+        xfer->short_packet = true;
+    }
+
+    if (tu_edpt_dir(ep_addr) == TUSB_DIR_IN) {
+        if (!total_bytes) {
+            xfer->short_packet = true;
+            if (epnum == 0) {
+                USBHSD->UEP0_TX_LEN = 0;
+                USBHSD->UEP0_TX_CTRL = USBHS_EP_T_RES_ACK | (USBHS_Dev_Endp0_Tog ? USBHS_EP_T_TOG_1 : USBHS_EP_T_TOG_0);
+                USBHS_Dev_Endp0_Tog ^= 1;
+            } else {
+                EP_TX_LEN(epnum) = 0;
+                EP_TX_CTRL(epnum) = (EP_TX_CTRL(epnum) & ~(USBHS_EP_T_RES_MASK)) | USBHS_EP_T_RES_ACK;
+            }
+        } else {
+            if (epnum == 0) {
+                xfer->queued_len += short_packet_size;
+                memcpy(&EP0_DatabufHD[0], buffer, short_packet_size);
+
+                USBHSD->UEP0_TX_LEN = short_packet_size;
+                USBHSD->UEP0_TX_CTRL = USBHS_EP_T_RES_ACK | (USBHS_Dev_Endp0_Tog ? USBHS_EP_T_TOG_1 : USBHS_EP_T_TOG_0);
+                USBHS_Dev_Endp0_Tog ^= 1;
+            } else {
+                xfer->queued_len += short_packet_size;
+
+                EP_TX_DMA_ADDR(epnum) = (uint32_t)buffer;
+                USBHSD->ENDP_CONFIG |= (USBHS_EP0_T_EN << epnum);
+                EP_TX_LEN(epnum) = short_packet_size;
+                EP_TX_CTRL(epnum) = (EP_TX_CTRL(epnum) & ~(USBHS_EP_T_RES_MASK)) | USBHS_EP_T_RES_ACK;
+            }
+        }
+    } else { /* TUSB_DIR_OUT */
+        if (epnum == 0) {
+            uint32_t read_count = USBHSD->RX_LEN;
+            read_count = TU_MIN(read_count, total_bytes);
+
+            if ((total_bytes == 8)) {
+                read_count = 8;
+                memcpy(buffer, &EP0_DatabufHD[0], 8);
+            } else {
+                memcpy(buffer, &EP0_DatabufHD[0], read_count);
+            }
+        } else {
+            EP_RX_DMA_ADDR(epnum) = (uint32_t)xfer->buffer;
+            USBHSD->ENDP_CONFIG |= (USBHS_EP0_R_EN << epnum);
+        }
+
+        // usbd_ep_read(ep_addr, buffer, total_bytes, &ret_bytes);
+    }
+    return true;
+}
+
+
+static void receive_packet(xfer_ctl_t *xfer, uint16_t xfer_size) {
+    // xfer->queued_len = xfer->total_len - remaining;
+
+    uint16_t remaining = xfer->total_len - xfer->queued_len;
+    uint16_t to_recv_size;
+
+    if (remaining <= xfer->max_size) {
+        // Avoid buffer overflow.
+        to_recv_size = (xfer_size > remaining) ? remaining : xfer_size;
+    } else {
+        // Room for full packet, choose recv_size based on what the microcontroller
+        // claims.
+        to_recv_size = (xfer_size > xfer->max_size) ? xfer->max_size : xfer_size;
+    }
+
+    if (to_recv_size) {
+    }
+
+    xfer->queued_len += xfer_size;
+
+    // Per USB spec, a short OUT packet (including length 0) is always
+    // indicative of the end of a transfer (at least for ctl, bulk, int).
+    xfer->short_packet = (xfer_size < xfer->max_size);
+}
+
+void dcd_int_handler(uint8_t rhport) {
+    (void)rhport;
+
+    uint32_t end_num, rx_token;
+    uint8_t intflag = 0;
+
+    intflag = USBHSD->INT_FG;
+
+    if (intflag & USBHS_TRANSFER_FLAG) {
+
+        end_num = (USBHSD->INT_ST) & MASK_UIS_ENDP;
+        rx_token = (((USBHSD->INT_ST) & MASK_UIS_TOKEN) >> 4) & 0x03;
+
+        uint8_t endp = end_num | (rx_token == PID_IN ? TUSB_DIR_IN_MASK : 0);
+
+        xfer_ctl_t *xfer = XFER_CTL_BASE(end_num, tu_edpt_dir(endp));
+
+        if (rx_token == PID_OUT) {
+            uint16_t rx_len = USBHSD->RX_LEN;
+
+            receive_packet(xfer, rx_len);
+
+            if (xfer->short_packet || (xfer->queued_len == xfer->total_len)) {
+                xfer->short_packet = false;
+
+                dcd_event_xfer_complete(0, endp, xfer->queued_len, XFER_RESULT_SUCCESS, true);
+            }
+
+            if (end_num == 0) {
+                USBHSD->UEP0_RX_CTRL = USBHS_EP_R_RES_ACK | USBHS_EP_R_TOG_0;
+            }
+
+        } else if (rx_token == PID_IN) {
+            if (xfer->short_packet || (xfer->queued_len == xfer->total_len)) {
+                xfer->short_packet = false;
+                xfer->total_len = 0;
+                dcd_event_xfer_complete(0, endp, xfer->queued_len, XFER_RESULT_SUCCESS, true);
+
+                EP_TX_CTRL(end_num) = (EP_TX_CTRL(end_num) & ~(USBHS_EP_T_RES_MASK)) | USBHS_EP_T_RES_NAK;
+
+                if (end_num == 0) {
+                }
+            } else {
+                dcd_edpt_xfer(0, endp, xfer->buffer + xfer->queued_len, xfer->total_len - xfer->queued_len);
+            }
+        }
+
+        USBHSD->INT_FG = USBHS_TRANSFER_FLAG; /* Clear flag */
+    } else if (intflag & USBHS_SETUP_FLAG) {
+        USBHS_Dev_Endp0_Tog = 1;
+        dcd_event_setup_received(0, EP0_DatabufHD, true);
+
+        USBHSD->INT_FG = USBHS_SETUP_FLAG; /* Clear flag */
+    } else if (intflag & USBHS_DETECT_FLAG) {
+        USBHS_Dev_Endp0_Tog = 1;
+
+        xfer_status[0][TUSB_DIR_OUT].max_size = 64;
+        xfer_status[0][TUSB_DIR_IN].max_size = 64;
+
+        dcd_event_bus_reset(0, TUSB_SPEED_HIGH, true);
+
+        USBHSD->DEV_AD = 0;
+        USBHSD->UEP0_RX_CTRL = USBHS_EP_R_RES_ACK | USBHS_EP_R_TOG_0;
+
+        USBHSD->INT_FG = USBHS_DETECT_FLAG; /* Clear flag */
+    } else if (intflag & USBHS_SUSPEND_FLAG) {
+        dcd_event_t event = { .rhport = rhport, .event_id = DCD_EVENT_SUSPEND };
+        dcd_event_handler(&event, true);
+
+        USBHSD->INT_FG = USBHS_SUSPEND_FLAG; /* Clear flag */
+    }
+}
+
+#endif