needs to be filled out. blinks though

3 files changed, 384 insertions, 0 deletions

diff --git a/src/portable/stm/stm32f4/dcd_stm32f4.c b/src/portable/stm/stm32f4/dcd_stm32f4.c
new file mode 100644
index 000000000..9edc45789
--- /dev/null
+++ b/src/portable/stm/stm32f4/dcd_stm32f4.c
@@ -0,0 +1,312 @@
+/**************************************************************************/
+/*!
+    @file     dcd_nrf5x.c
+    @author   hathach
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2018, Scott Shawcroft for Adafruit Industries
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 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 is part of the tinyusb stack.
+*/
+/**************************************************************************/
+
+#include "tusb_option.h"
+
+#if TUSB_OPT_DEVICE_ENABLED && CFG_TUSB_MCU == OPT_MCU_STM32F4
+
+#include "device/dcd.h"
+#include "stm32f4xx.h"
+
+/*------------------------------------------------------------------*/
+/* MACRO TYPEDEF CONSTANT ENUM
+ *------------------------------------------------------------------*/
+// static ATTR_ALIGNED(4) uint8_t _setup_packet[8];
+
+// Setup the control endpoint 0.
+// static void bus_reset(void) {
+// }
+
+
+/*------------------------------------------------------------------*/
+/* Controller API
+ *------------------------------------------------------------------*/
+bool dcd_init (uint8_t rhport)
+{
+  (void) rhport;
+
+  // USB->DEVICE.DESCADD.reg = (uint32_t) &sram_registers;
+  // USB->DEVICE.CTRLB.reg = USB_DEVICE_CTRLB_SPDCONF_FS;
+  // USB->DEVICE.CTRLA.reg = USB_CTRLA_MODE_DEVICE | USB_CTRLA_ENABLE | USB_CTRLA_RUNSTDBY;
+  // while (USB->DEVICE.SYNCBUSY.bit.ENABLE == 1) {}
+  // USB->DEVICE.INTENSET.reg = USB_DEVICE_INTENSET_SOF | USB_DEVICE_INTENSET_EORST;
+
+  return true;
+}
+
+void dcd_connect (uint8_t rhport)
+{
+
+}
+void dcd_disconnect (uint8_t rhport)
+{
+
+}
+
+void dcd_set_address (uint8_t rhport, uint8_t dev_addr)
+{
+  (void) rhport;
+}
+
+void dcd_set_config (uint8_t rhport, uint8_t config_num)
+{
+  (void) rhport;
+  (void) config_num;
+  // Nothing to do
+}
+
+/*------------------------------------------------------------------*/
+/* DCD Endpoint port
+ *------------------------------------------------------------------*/
+
+bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
+{
+  (void) rhport;
+
+  // uint8_t const epnum = edpt_number(desc_edpt->bEndpointAddress);
+  // uint8_t const dir   = edpt_dir(desc_edpt->bEndpointAddress);
+  //
+  // UsbDeviceDescBank* bank = &sram_registers[epnum][dir];
+  // uint32_t size_value = 0;
+  // while (size_value < 7) {
+  //   if (1 << (size_value + 3) == desc_edpt->wMaxPacketSize.size) {
+  //     break;
+  //   }
+  //   size_value++;
+  // }
+  //
+  // // unsupported endpoint size
+  // if ( size_value == 7 && desc_edpt->wMaxPacketSize.size != 1023 ) return false;
+  //
+  // bank->PCKSIZE.bit.SIZE = size_value;
+  //
+  // UsbDeviceEndpoint* ep = &USB->DEVICE.DeviceEndpoint[epnum];
+  //
+  // if ( dir == TUSB_DIR_OUT )
+  // {
+  //   ep->EPCFG.bit.EPTYPE0 = desc_edpt->bmAttributes.xfer + 1;
+  //   ep->EPINTENSET.bit.TRCPT0 = true;
+  // }else
+  // {
+  //   ep->EPCFG.bit.EPTYPE1 = desc_edpt->bmAttributes.xfer + 1;
+  //   ep->EPINTENSET.bit.TRCPT1 = true;
+  // }
+
+  // return true;
+  return false;
+}
+
+bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
+{
+  (void) rhport;
+
+  // uint8_t const epnum = edpt_number(ep_addr);
+  // uint8_t const dir   = edpt_dir(ep_addr);
+  //
+  // UsbDeviceDescBank* bank = &sram_registers[epnum][dir];
+  // UsbDeviceEndpoint* ep = &USB->DEVICE.DeviceEndpoint[epnum];
+  //
+  // // 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 && dir == 0 && buffer == NULL) {
+  //   buffer = _setup_packet;
+  // }
+  //
+  // bank->ADDR.reg = (uint32_t) buffer;
+  // if ( dir == TUSB_DIR_OUT )
+  // {
+  //   bank->PCKSIZE.bit.MULTI_PACKET_SIZE = total_bytes;
+  //   bank->PCKSIZE.bit.BYTE_COUNT = 0;
+  //   ep->EPSTATUSCLR.reg |= USB_DEVICE_EPSTATUSCLR_BK0RDY;
+  //   ep->EPINTFLAG.reg |= USB_DEVICE_EPINTFLAG_TRFAIL0;
+  // } else
+  // {
+  //   bank->PCKSIZE.bit.MULTI_PACKET_SIZE = 0;
+  //   bank->PCKSIZE.bit.BYTE_COUNT = total_bytes;
+  //   ep->EPSTATUSSET.reg |= USB_DEVICE_EPSTATUSSET_BK1RDY;
+  //   ep->EPINTFLAG.reg |= USB_DEVICE_EPINTFLAG_TRFAIL1;
+  // }
+
+  // return true;
+  return false;
+}
+
+bool dcd_edpt_stalled (uint8_t rhport, uint8_t ep_addr)
+{
+  (void) rhport;
+
+  // control is never got halted
+  if ( ep_addr == 0 ) {
+      return false;
+  }
+
+  // uint8_t const epnum = edpt_number(ep_addr);
+  // UsbDeviceEndpoint* ep = &USB->DEVICE.DeviceEndpoint[epnum];
+  // return (edpt_dir(ep_addr) == TUSB_DIR_IN ) ? ep->EPINTFLAG.bit.STALL1 : ep->EPINTFLAG.bit.STALL0;
+  return true;
+}
+
+void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr)
+{
+  (void) rhport;
+
+  // uint8_t const epnum = edpt_number(ep_addr);
+  // UsbDeviceEndpoint* ep = &USB->DEVICE.DeviceEndpoint[epnum];
+  //
+  // if (edpt_dir(ep_addr) == TUSB_DIR_IN) {
+  //     ep->EPSTATUSSET.reg = USB_DEVICE_EPSTATUSSET_STALLRQ1;
+  // } else {
+  //     ep->EPSTATUSSET.reg = USB_DEVICE_EPSTATUSSET_STALLRQ0;
+  //
+  //     // for control, stall both IN & OUT
+  //     if (ep_addr == 0) {
+  //       ep->EPSTATUSSET.reg = USB_DEVICE_EPSTATUSSET_STALLRQ1;
+  //     }
+  // }
+}
+
+void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr)
+{
+  (void) rhport;
+
+  // uint8_t const epnum = edpt_number(ep_addr);
+  // UsbDeviceEndpoint* ep = &USB->DEVICE.DeviceEndpoint[epnum];
+  //
+  // if (edpt_dir(ep_addr) == TUSB_DIR_IN) {
+  //   ep->EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_STALLRQ1;
+  // } else {
+  //   ep->EPSTATUSCLR.reg = USB_DEVICE_EPSTATUSCLR_STALLRQ0;
+  // }
+}
+
+bool dcd_edpt_busy (uint8_t rhport, uint8_t ep_addr)
+{
+  (void) rhport;
+
+  // // USBD shouldn't check control endpoint state
+  // if ( 0 == ep_addr ) return false;
+  //
+  // uint8_t const epnum = edpt_number(ep_addr);
+  // UsbDeviceEndpoint* ep = &USB->DEVICE.DeviceEndpoint[epnum];
+  //
+  // if (edpt_dir(ep_addr) == TUSB_DIR_IN) {
+  //   return ep->EPINTFLAG.bit.TRCPT1 == 0 && ep->EPSTATUS.bit.BK1RDY == 1;
+  // }
+  // return ep->EPINTFLAG.bit.TRCPT0 == 0 && ep->EPSTATUS.bit.BK0RDY == 1;
+  return true;
+}
+
+/*------------------------------------------------------------------*/
+
+// static bool maybe_handle_setup_packet(void) {
+    // if (USB->DEVICE.DeviceEndpoint[0].EPINTFLAG.bit.RXSTP)
+    // {
+    //     USB->DEVICE.DeviceEndpoint[0].EPINTFLAG.reg = USB_DEVICE_EPINTFLAG_RXSTP;
+    //
+    //     // This copies the data elsewhere so we can reuse the buffer.
+    //     dcd_event_setup_received(0, (uint8_t*) sram_registers[0][0].ADDR.reg, true);
+    //     return true;
+    // }
+    // return false;
+// }
+/*
+ *------------------------------------------------------------------*/
+/* USB_EORSM_DNRSM, USB_EORST_RST, USB_LPMSUSP_DDISC, USB_LPM_DCONN,
+USB_MSOF, USB_RAMACER, USB_RXSTP_TXSTP_0, USB_RXSTP_TXSTP_1,
+USB_RXSTP_TXSTP_2, USB_RXSTP_TXSTP_3, USB_RXSTP_TXSTP_4,
+USB_RXSTP_TXSTP_5, USB_RXSTP_TXSTP_6, USB_RXSTP_TXSTP_7,
+USB_STALL0_STALL_0, USB_STALL0_STALL_1, USB_STALL0_STALL_2,
+USB_STALL0_STALL_3, USB_STALL0_STALL_4, USB_STALL0_STALL_5,
+USB_STALL0_STALL_6, USB_STALL0_STALL_7, USB_STALL1_0, USB_STALL1_1,
+USB_STALL1_2, USB_STALL1_3, USB_STALL1_4, USB_STALL1_5, USB_STALL1_6,
+USB_STALL1_7, USB_SUSPEND, USB_TRFAIL0_TRFAIL_0, USB_TRFAIL0_TRFAIL_1,
+USB_TRFAIL0_TRFAIL_2, USB_TRFAIL0_TRFAIL_3, USB_TRFAIL0_TRFAIL_4,
+USB_TRFAIL0_TRFAIL_5, USB_TRFAIL0_TRFAIL_6, USB_TRFAIL0_TRFAIL_7,
+USB_TRFAIL1_PERR_0, USB_TRFAIL1_PERR_1, USB_TRFAIL1_PERR_2,
+USB_TRFAIL1_PERR_3, USB_TRFAIL1_PERR_4, USB_TRFAIL1_PERR_5,
+USB_TRFAIL1_PERR_6, USB_TRFAIL1_PERR_7, USB_UPRSM, USB_WAKEUP */
+void OTG_FS_Handler(void) {
+  // uint32_t int_status = USB->DEVICE.INTFLAG.reg;
+  //
+  // /*------------- Interrupt Processing -------------*/
+  // if ( int_status & USB_DEVICE_INTFLAG_EORST )
+  // {
+  //   USB->DEVICE.INTFLAG.reg = USB_DEVICE_INTENCLR_EORST;
+  //   bus_reset();
+  //   dcd_event_bus_signal(0, DCD_EVENT_BUS_RESET, true);
+  // }
+  //
+  // // Setup packet received.
+  // maybe_handle_setup_packet();
+  //
+  //   USB->DEVICE.INTFLAG.reg = USB_DEVICE_INTFLAG_SOF;
+  //   dcd_event_bus_signal(0, DCD_EVENT_SOF, true);
+  //   uint32_t epints = USB->DEVICE.EPINTSMRY.reg;
+  //   for (uint8_t epnum = 0; epnum < USB_EPT_NUM; epnum++) {
+  //       if ((epints & (1 << epnum)) == 0) {
+  //           continue;
+  //       }
+  //
+  //       if (direction == TUSB_DIR_OUT && maybe_handle_setup_packet()) {
+  //           continue;
+  //       }
+  //       UsbDeviceEndpoint* ep = &USB->DEVICE.DeviceEndpoint[epnum];
+  //
+  //       UsbDeviceDescBank* bank = &sram_registers[epnum][direction];
+  //       uint16_t total_transfer_size = bank->PCKSIZE.bit.BYTE_COUNT;
+  //
+  //       uint8_t ep_addr = epnum;
+  //       if (direction == TUSB_DIR_IN) {
+  //           ep_addr |= TUSB_DIR_IN_MASK;
+  //       }
+  //       dcd_event_xfer_complete(0, ep_addr, total_transfer_size, XFER_RESULT_SUCCESS, true);
+  //
+  //       // just finished status stage (total size = 0), prepare for next setup packet
+  //       if (epnum == 0 && total_transfer_size == 0) {
+  //           dcd_edpt_xfer(0, 0, _setup_packet, sizeof(_setup_packet));
+  //       }
+  //
+  //       if (direction == TUSB_DIR_IN) {
+  //           ep->EPINTFLAG.reg = USB_DEVICE_EPINTFLAG_TRCPT1;
+  //       } else {
+  //           ep->EPINTFLAG.reg = USB_DEVICE_EPINTFLAG_TRCPT0;
+  //       }
+  //   }
+}
+
+#endif
diff --git a/src/portable/stm/stm32f4/hal_stm32f4.c b/src/portable/stm/stm32f4/hal_stm32f4.c
new file mode 100644
index 000000000..68d17b591
--- /dev/null
+++ b/src/portable/stm/stm32f4/hal_stm32f4.c
@@ -0,0 +1,69 @@
+/**************************************************************************/
+/*!
+    @file     hal_nrf5x.c
+    @author   hathach
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2018, hathach (tinyusb.org)
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 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 is part of the tinyusb stack.
+*/
+/**************************************************************************/
+
+#include "tusb_option.h"
+
+#if TUSB_OPT_DEVICE_ENABLED && CFG_TUSB_MCU == OPT_MCU_STM32F4
+
+#include "stm32f4xx.h"
+
+#include "tusb_hal.h"
+
+/*------------------------------------------------------------------*/
+/* TUSB HAL
+ *------------------------------------------------------------------*/
+bool tusb_hal_init(void)
+{
+
+  tusb_hal_int_enable(0);
+  return true;
+}
+
+void tusb_hal_int_enable(uint8_t rhport)
+{
+  (void) rhport;
+  NVIC_EnableIRQ(OTG_FS_IRQn);
+}
+
+void tusb_hal_int_disable(uint8_t rhport)
+{
+  (void) rhport;
+  NVIC_DisableIRQ(OTG_FS_IRQn);
+}
+
+#endif
diff --git a/src/tusb_option.h b/src/tusb_option.h
index 18e1e245e..b00a3b1bc 100644
--- a/src/tusb_option.h
+++ b/src/tusb_option.h
@@ -60,6 +60,9 @@
 

 #define OPT_MCU_SAMD21        200 ///< MicroChip SAMD21

 #define OPT_MCU_SAMD51        201 ///< MicroChip SAMD51

+

+#define OPT_MCU_STM32F4       300 ///< ST STM32F4

+

 /** @} */

 

 /** \defgroup group_supported_os Supported RTOS