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-rw-r--r--src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c127
1 files changed, 66 insertions, 61 deletions
diff --git a/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c b/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
index 7dd44918c..f22387984 100644
--- a/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
+++ b/src/portable/nxp/lpc_ip3511/dcd_lpc_ip3511.c
@@ -56,6 +56,19 @@
#include "device/dcd.h"
+// only SRAM1 & USB RAM can be used for transfer.
+// Used to set DATABUFSTART which is 22-bit aligned
+// 2000 0000 to 203F FFFF
+#define SRAM_REGION 0x20000000
+
+// Absolute max of endpoints pairs for all port
+// - 11 13 15 51 54 has 5x2 endpoints
+// - 55 usb0 (FS) has 5x2 endpoints, usb1 (HS) has 6x2 endpoints
+#define MAX_EP_PAIRS 6
+
+//--------------------------------------------------------------------+
+// IP3511 Registers
+//--------------------------------------------------------------------+
typedef struct {
__IO uint32_t DEVCMDSTAT; // Device Command/Status register, offset: 0x0
@@ -73,45 +86,6 @@ typedef struct {
__I uint32_t EPTOGGLE; // Endpoint toggle register, offset: 0x34
} dcd_registers_t;
-typedef struct
-{
- dcd_registers_t* regs; // registers
- const IRQn_Type irqnum; // IRQ number
- const uint8_t ep_count; // Max bi-directional Endpoints
-}dcd_controller_t;
-
-// Number of endpoints
-// - 11 13 15 51 54 has 5x2 endpoints
-// - 55 usb0 (FS) has 5x2 endpoints, usb1 (HS) has 6x2 endpoints
-#define EP_COUNT 10
-
-
-#ifdef INCLUDE_FSL_DEVICE_REGISTERS
- static const dcd_controller_t _dcd_controller[] =
- {
- { .regs = (dcd_registers_t*) USB0_BASE , .irqnum = USB0_IRQn, .ep_count = FSL_FEATURE_USB_EP_NUM },
- #if FSL_FEATURE_SOC_USBHSD_COUNT
- { .regs = (dcd_registers_t*) USBHSD_BASE, .irqnum = USB1_IRQn, .ep_count = FSL_FEATURE_USBHSD_EP_NUM }
- #endif
- };
-
-#else
- static const dcd_controller_t _dcd_controller[] =
- {
- { .regs = (dcd_registers_t*) LPC_USB0_BASE, .irqnum = USB0_IRQn, .ep_count = 5 },
- };
-
-#endif
-
-//--------------------------------------------------------------------+
-// MACRO CONSTANT TYPEDEF
-//--------------------------------------------------------------------+
-
-// only SRAM1 & USB RAM can be used for transfer.
-// Used to set DATABUFSTART which is 22-bit aligned
-// 2000 0000 to 203F FFFF
-#define SRAM_REGION 0x20000000
-
/* Although device controller are the same. Somehow only LPC134x can execute
* DMA with 1023 bytes for Bulk/Control. Others (11u, 51u, 54xxx) can only work
* with max 64 bytes
@@ -141,6 +115,10 @@ enum {
CMDSTAT_VBUS_DEBOUNCED_MASK = TU_BIT(28),
};
+//--------------------------------------------------------------------+
+// Endpoint Command/Status List
+//--------------------------------------------------------------------+
+
typedef struct TU_ATTR_PACKED
{
// Bits 21:6 (aligned 64) used in conjunction with bit 31:22 of DATABUFSTART
@@ -171,19 +149,46 @@ typedef struct
{
// 256 byte aligned, 2 for double buffer (not used)
// Each cmd_sts can only transfer up to DMA_NBYTES_MAX bytes each
- ep_cmd_sts_t ep[EP_COUNT][2];
-
- xfer_dma_t dma[EP_COUNT];
+ ep_cmd_sts_t ep[2*MAX_EP_PAIRS][2];
+ xfer_dma_t dma[2*MAX_EP_PAIRS];
TU_ATTR_ALIGNED(64) uint8_t setup_packet[8];
}dcd_data_t;
+// EP list must be 256-byte aligned
+CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(256) static dcd_data_t _dcd;
+
//--------------------------------------------------------------------+
-// INTERNAL OBJECT & FUNCTION DECLARATION
+// Multiple Controllers
//--------------------------------------------------------------------+
-// EP list must be 256-byte aligned
-CFG_TUSB_MEM_SECTION TU_ATTR_ALIGNED(256) static dcd_data_t _dcd;
+typedef struct
+{
+ dcd_registers_t* regs; // registers
+ const IRQn_Type irqnum; // IRQ number
+ const uint8_t ep_pairs; // Max bi-directional Endpoints
+}dcd_controller_t;
+
+#ifdef INCLUDE_FSL_DEVICE_REGISTERS
+ static const dcd_controller_t _dcd_controller[] =
+ {
+ { .regs = (dcd_registers_t*) USB0_BASE , .irqnum = USB0_IRQn, .ep_pairs = FSL_FEATURE_USB_EP_NUM },
+ #if FSL_FEATURE_SOC_USBHSD_COUNT
+ { .regs = (dcd_registers_t*) USBHSD_BASE, .irqnum = USB1_IRQn, .ep_pairs = FSL_FEATURE_USBHSD_EP_NUM }
+ #endif
+ };
+
+#else
+ static const dcd_controller_t _dcd_controller[] =
+ {
+ { .regs = (dcd_registers_t*) LPC_USB0_BASE, .irqnum = USB0_IRQn, .ep_pairs = 5 },
+ };
+
+#endif
+
+//--------------------------------------------------------------------+
+// INTERNAL OBJECT & FUNCTION DECLARATION
+//--------------------------------------------------------------------+
static inline uint16_t get_buf_offset(void const * buffer)
{
@@ -212,19 +217,17 @@ void dcd_init(uint8_t rhport)
dcd_reg->DEVCMDSTAT |= CMDSTAT_DEVICE_ENABLE_MASK | CMDSTAT_DEVICE_CONNECT_MASK |
CMDSTAT_RESET_CHANGE_MASK | CMDSTAT_CONNECT_CHANGE_MASK | CMDSTAT_SUSPEND_CHANGE_MASK;
- NVIC_ClearPendingIRQ(USB0_IRQn);
+ NVIC_ClearPendingIRQ(_dcd_controller[rhport].irqnum);
}
void dcd_int_enable(uint8_t rhport)
{
- (void) rhport;
- NVIC_EnableIRQ(USB0_IRQn);
+ NVIC_EnableIRQ(_dcd_controller[rhport].irqnum);
}
void dcd_int_disable(uint8_t rhport)
{
- (void) rhport;
- NVIC_DisableIRQ(USB0_IRQn);
+ NVIC_DisableIRQ(_dcd_controller[rhport].irqnum);
}
void dcd_set_address(uint8_t rhport, uint8_t dev_addr)
@@ -334,7 +337,7 @@ static void bus_reset(uint8_t rhport)
tu_memclr(&_dcd, sizeof(dcd_data_t));
// disable all non-control endpoints on bus reset
- for(uint8_t ep_id = 2; ep_id < EP_COUNT; ep_id++)
+ for(uint8_t ep_id = 2; ep_id < 2*MAX_EP_PAIRS; ep_id++)
{
_dcd.ep[ep_id][0].disable = _dcd.ep[ep_id][1].disable = 1;
}
@@ -352,9 +355,11 @@ static void bus_reset(uint8_t rhport)
dcd_reg->INTEN = INT_DEVICE_STATUS_MASK | TU_BIT(0) | TU_BIT(1); // enable device status & control endpoints
}
-static void process_xfer_isr(uint32_t int_status)
+static void process_xfer_isr(uint8_t rhport, uint32_t int_status)
{
- for(uint8_t ep_id = 0; ep_id < EP_COUNT; ep_id++ )
+ uint8_t const max_ep = 2*_dcd_controller[rhport].ep_pairs;
+
+ for(uint8_t ep_id = 0; ep_id < max_ep; ep_id++ )
{
if ( tu_bit_test(int_status, ep_id) )
{
@@ -373,10 +378,10 @@ static void process_xfer_isr(uint32_t int_status)
{
xfer_dma->total_bytes = xfer_dma->xferred_bytes;
- uint8_t const ep_addr = (ep_id / 2) | ((ep_id & 0x01) ? TUSB_DIR_IN_MASK : 0);
+ uint8_t const ep_addr = tu_edpt_addr(ep_id / 2, ep_id & 0x01);
// TODO no way determine if the transfer is failed or not
- dcd_event_xfer_complete(0, ep_addr, xfer_dma->xferred_bytes, XFER_RESULT_SUCCESS, true);
+ dcd_event_xfer_complete(rhport, ep_addr, xfer_dma->xferred_bytes, XFER_RESULT_SUCCESS, true);
}
}
}
@@ -400,7 +405,7 @@ void dcd_int_handler(uint8_t rhport)
if ( cmd_stat & CMDSTAT_RESET_CHANGE_MASK) // bus reset
{
bus_reset(rhport);
- dcd_event_bus_reset(0, TUSB_SPEED_FULL, true);
+ dcd_event_bus_reset(rhport, TUSB_SPEED_FULL, true);
}
if (cmd_stat & CMDSTAT_CONNECT_CHANGE_MASK)
@@ -409,7 +414,7 @@ void dcd_int_handler(uint8_t rhport)
if (cmd_stat & CMDSTAT_DEVICE_ADDR_MASK)
{
// debouncing as this can be set when device is powering
- dcd_event_bus_signal(0, DCD_EVENT_UNPLUGGED, true);
+ dcd_event_bus_signal(rhport, DCD_EVENT_UNPLUGGED, true);
}
}
@@ -421,13 +426,13 @@ void dcd_int_handler(uint8_t rhport)
// 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(0, DCD_EVENT_SUSPEND, true);
+ dcd_event_bus_signal(rhport, DCD_EVENT_SUSPEND, true);
}
}
}
// else
// { // resume signal
-// dcd_event_bus_signal(0, DCD_EVENT_RESUME, true);
+// dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
// }
// }
}
@@ -441,7 +446,7 @@ void dcd_int_handler(uint8_t rhport)
dcd_reg->DEVCMDSTAT |= CMDSTAT_SETUP_RECEIVED_MASK;
- dcd_event_setup_received(0, _dcd.setup_packet, true);
+ dcd_event_setup_received(rhport, _dcd.setup_packet, true);
// keep waiting for next setup
_dcd.ep[0][1].buffer_offset = get_buf_offset(_dcd.setup_packet);
@@ -451,7 +456,7 @@ void dcd_int_handler(uint8_t rhport)
}
// Endpoint transfer complete interrupt
- process_xfer_isr(int_status);
+ process_xfer_isr(rhport, int_status);
}
#endif