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trezor-firmware/core/embed/trezorhal/usbd_conf.c

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// clang-format off
/*
* This file is part of the Micro Python project, http://micropython.org/
*/
/**
******************************************************************************
* @file USB_Device/CDC_Standalone/Src/usbd_conf.c
* @author MCD Application Team
* @version V1.4.0
* @date 17-February-2017
* @brief This file implements the USB Device library callbacks and MSP
******************************************************************************
* @attention
*
* <h2><center>&copy; Copyright (c) 2017 STMicroelectronics International N.V.
* All rights reserved.</center></h2>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted, provided that the following conditions are met:
*
* 1. Redistribution 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 STMicroelectronics nor the names of other
* contributors to this software may be used to endorse or promote products
* derived from this software without specific written permission.
* 4. This software, including modifications and/or derivative works of this
* software, must execute solely and exclusively on microcontroller or
* microprocessor devices manufactured by or for STMicroelectronics.
* 5. Redistribution and use of this software other than as permitted under
* this license is void and will automatically terminate your rights under
* this license.
*
* THIS SOFTWARE IS PROVIDED BY STMICROELECTRONICS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS, IMPLIED OR STATUTORY WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NON-INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY
* RIGHTS ARE DISCLAIMED TO THE FULLEST EXTENT PERMITTED BY LAW. IN NO EVENT
* SHALL STMICROELECTRONICS OR CONTRIBUTORS 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.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include STM32_HAL_H
#include "usbd_core.h"
#include "usb.h"
#include "irq.h"
#include "supervise.h"
#include "systemview.h"
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
#ifdef USE_USB_FS
static PCD_HandleTypeDef pcd_fs_handle;
#endif
#ifdef USE_USB_HS
static PCD_HandleTypeDef pcd_hs_handle;
#endif
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
PCD BSP Routines
*******************************************************************************/
/**
* @brief Initializes the PCD MSP.
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_MspInit(PCD_HandleTypeDef *hpcd)
{
GPIO_InitTypeDef GPIO_InitStruct;
if(hpcd->Instance == USB_OTG_FS)
{
/* Configure USB FS GPIOs */
__HAL_RCC_GPIOA_CLK_ENABLE();
/* Configure DM DP Pins */
GPIO_InitStruct.Pin = (GPIO_PIN_11 | GPIO_PIN_12);
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* Configure VBUS Pin */
#if defined(MICROPY_HW_USB_VBUS_DETECT_PIN)
// USB VBUS detect pin is always A9
GPIO_InitStruct.Pin = GPIO_PIN_9;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
#endif
/* Configure ID pin */
#if defined(MICROPY_HW_USB_OTG_ID_PIN)
// USB ID pin is always A10
GPIO_InitStruct.Pin = GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
#endif
/* Enable USB FS Clocks */
__HAL_RCC_USB_OTG_FS_CLK_ENABLE();
/* Set USBFS Interrupt priority */
svc_setpriority(OTG_FS_IRQn, IRQ_PRI_OTG_FS);
/* Enable USBFS Interrupt */
svc_enableIRQ(OTG_FS_IRQn);
}
#if defined(USE_USB_HS)
else if(hpcd->Instance == USB_OTG_HS)
{
#if defined(USE_USB_HS_IN_FS)
/* Configure USB FS GPIOs */
__HAL_RCC_GPIOB_CLK_ENABLE();
/* Configure DM DP Pins */
GPIO_InitStruct.Pin = (GPIO_PIN_14 | GPIO_PIN_15);
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_OTG_HS_FS;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#if defined(MICROPY_HW_USB_VBUS_DETECT_PIN)
/* Configure VBUS Pin */
GPIO_InitStruct.Pin = GPIO_PIN_13;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_OTG_HS_FS;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
#if defined(MICROPY_HW_USB_OTG_ID_PIN)
/* Configure ID pin */
GPIO_InitStruct.Pin = GPIO_PIN_12;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_OTG_HS_FS;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
/*
* Enable calling WFI and correct
* function of the embedded USB_FS_IN_HS phy
*/
__OTGHSULPI_CLK_SLEEP_DISABLE();
__OTGHS_CLK_SLEEP_ENABLE();
/* Enable USB HS Clocks */
__USB_OTG_HS_CLK_ENABLE();
#else // !USE_USB_HS_IN_FS
/* Configure USB HS GPIOs */
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOI_CLK_ENABLE();
/* CLK */
GPIO_InitStruct.Pin = GPIO_PIN_5;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* D0 */
GPIO_InitStruct.Pin = GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* D1 D2 D3 D4 D5 D6 D7 */
GPIO_InitStruct.Pin = GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_5 |\
GPIO_PIN_10 | GPIO_PIN_11 | GPIO_PIN_12 | GPIO_PIN_13;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/* STP */
GPIO_InitStruct.Pin = GPIO_PIN_0;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/* NXT */
GPIO_InitStruct.Pin = GPIO_PIN_4;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOH, &GPIO_InitStruct);
/* DIR */
GPIO_InitStruct.Pin = GPIO_PIN_11;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
HAL_GPIO_Init(GPIOI, &GPIO_InitStruct);
/* Enable USB HS Clocks */
__HAL_RCC_USB_OTG_HS_CLK_ENABLE();
__HAL_RCC_USB_OTG_HS_ULPI_CLK_ENABLE();
#endif // !USE_USB_HS_IN_FS
/* Set USBHS Interrupt to the lowest priority */
svc_setpriority(OTG_HS_IRQn, IRQ_PRI_OTG_HS);
/* Enable USBHS Interrupt */
svc_enableIRQ(OTG_HS_IRQn);
}
#endif // USE_USB_HS
}
/**
* @brief DeInitializes the PCD MSP.
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_MspDeInit(PCD_HandleTypeDef *hpcd)
{
if(hpcd->Instance == USB_OTG_FS)
{
/* Disable USB FS Clocks */
__HAL_RCC_USB_OTG_FS_CLK_DISABLE();
__HAL_RCC_SYSCFG_CLK_DISABLE();
}
#if defined(USE_USB_HS)
else if(hpcd->Instance == USB_OTG_HS)
{
/* Disable USB FS Clocks */
__HAL_RCC_USB_OTG_HS_CLK_DISABLE();
__HAL_RCC_SYSCFG_CLK_DISABLE();
}
#endif
}
/*******************************************************************************
LL Driver Callbacks (PCD -> USB Device Library)
*******************************************************************************/
/**
* @brief Setup stage callback.
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
{
USBD_LL_SetupStage(hpcd->pData, (uint8_t *)hpcd->Setup);
}
/**
* @brief Data Out stage callback.
* @param hpcd: PCD handle
* @param epnum: Endpoint Number
* @retval None
*/
void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
USBD_LL_DataOutStage(hpcd->pData, epnum, hpcd->OUT_ep[epnum].xfer_buff);
}
/**
* @brief Data In stage callback.
* @param hpcd: PCD handle
* @param epnum: Endpoint Number
* @retval None
*/
void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
USBD_LL_DataInStage(hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff);
}
/**
* @brief SOF callback.
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
{
USBD_LL_SOF(hpcd->pData);
}
/**
* @brief Reset callback.
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
{
USBD_SpeedTypeDef speed = USBD_SPEED_FULL;
/* Set USB Current Speed */
switch(hpcd->Init.speed)
{
case PCD_SPEED_HIGH:
speed = USBD_SPEED_HIGH;
break;
case PCD_SPEED_FULL:
speed = USBD_SPEED_FULL;
break;
default:
speed = USBD_SPEED_FULL;
break;
}
USBD_LL_SetSpeed(hpcd->pData, speed);
/* Reset Device */
USBD_LL_Reset(hpcd->pData);
}
/**
* @brief Suspend callback.
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
{
USBD_LL_Suspend(hpcd->pData);
}
/**
* @brief Resume callback.
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
{
USBD_LL_Resume(hpcd->pData);
}
/**
* @brief ISOC Out Incomplete callback.
* @param hpcd: PCD handle
* @param epnum: Endpoint Number
* @retval None
*/
void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
USBD_LL_IsoOUTIncomplete(hpcd->pData, epnum);
}
/**
* @brief ISOC In Incomplete callback.
* @param hpcd: PCD handle
* @param epnum: Endpoint Number
* @retval None
*/
void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
USBD_LL_IsoINIncomplete(hpcd->pData, epnum);
}
/**
* @brief Connect callback.
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
{
USBD_LL_DevConnected(hpcd->pData);
}
/**
* @brief Disconnect callback.
* @param hpcd: PCD handle
* @retval None
*/
void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
{
USBD_LL_DevDisconnected(hpcd->pData);
}
/*******************************************************************************
LL Driver Interface (USB Device Library --> PCD)
*******************************************************************************/
/**
* @brief Initializes the Low Level portion of the Device driver.
* @param pdev: Device handle
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_Init (USBD_HandleTypeDef *pdev)
{
#if defined(USE_USB_FS)
// Trezor 1 uses the OTG_FS peripheral
if (pdev->id == USB_PHY_FS_ID) {
/*Set LL Driver parameters */
pcd_fs_handle.Instance = USB_OTG_FS;
pcd_fs_handle.Init.dev_endpoints = 4;
pcd_fs_handle.Init.use_dedicated_ep1 = 0;
pcd_fs_handle.Init.ep0_mps = 0x40;
pcd_fs_handle.Init.dma_enable = 0;
pcd_fs_handle.Init.low_power_enable = 0;
pcd_fs_handle.Init.phy_itface = PCD_PHY_EMBEDDED;
pcd_fs_handle.Init.Sof_enable = 1;
pcd_fs_handle.Init.speed = PCD_SPEED_FULL;
pcd_fs_handle.Init.vbus_sensing_enable = 0; // No VBUS Sensing on USB0
/* Link The driver to the stack */
pcd_fs_handle.pData = pdev;
pdev->pData = &pcd_fs_handle;
/*Initialize LL Driver */
HAL_PCD_Init(&pcd_fs_handle);
// the OTG_FS peripheral has a dedicated 1.25KiB data RAM from which we
// allocate an area for each transmit FIFO and the single shared receive FIFO.
// the configuration is in terms of 32-bit words, so we have 320 32-bit words
// in this dedicated 1.25KiB data RAM to use. see section 6.3.8 in UM1021 and 29.13 in RM0033.
// USB packets that we deal with are 64 bytes in size which equates to 16 32-bit words.
// we size the transmit FIFO's equally and give the rest of the space to the receive FIFO.
const uint16_t transmit_fifo_size = 48; // 48 = 16 * 3 meaning that we give 3 packets of space for each transmit fifo
const uint16_t receive_fifo_zie = 128; // 128 = 320 - 4 * 48
HAL_PCDEx_SetRxFiFo(&pcd_fs_handle, receive_fifo_zie);
for (uint16_t i = 0; i < 4; i++) {
HAL_PCDEx_SetTxFiFo(&pcd_fs_handle, i, transmit_fifo_size);
}
}
#endif
#if defined(USE_USB_HS_IN_FS)
// Trezor T uses the OTG_HS peripheral
if (pdev->id == USB_PHY_HS_ID) {
/* Set LL Driver parameters */
pcd_hs_handle.Instance = USB_OTG_HS;
pcd_hs_handle.Init.dev_endpoints = 6;
pcd_hs_handle.Init.use_dedicated_ep1 = 0;
pcd_hs_handle.Init.ep0_mps = 0x40;
pcd_hs_handle.Init.dma_enable = 0;
pcd_hs_handle.Init.low_power_enable = 0;
pcd_hs_handle.Init.phy_itface = PCD_PHY_EMBEDDED;
pcd_hs_handle.Init.Sof_enable = 1;
pcd_hs_handle.Init.speed = PCD_SPEED_HIGH_IN_FULL;
// Trezor T hardware has PB13 connected to HS_VBUS
// but we leave vbus sensing disabled because
// we don't use it for anything. the device is a bus powered peripheral.
pcd_hs_handle.Init.vbus_sensing_enable = 0;
/* Link The driver to the stack */
pcd_hs_handle.pData = pdev;
pdev->pData = &pcd_hs_handle;
/* Initialize LL Driver */
HAL_PCD_Init(&pcd_hs_handle);
// the OTG_HS peripheral has a dedicated 4KiB data RAM from which we
// allocate an area for each transmit FIFO and the single shared receive FIFO.
// the configuration is in terms of 32-bit words, so we have 1024 32-bit words
// in this dedicated 4KiB data RAM to use. see section 35.10.1 and 34.11 in RM0090.
// the reference to section 34.11 is for the OTG_FS device, but the FIFO architecture
// diagram seems to apply similarly to the FIFO in the OTG_HS that we are using.
// USB packets that we deal with are 64 bytes in size which equates to 16 32-bit words.
// we size the transmit FIFO's equally and give the rest of the space to the receive FIFO.
const uint16_t transmit_fifo_size = 144; // 144 = 16 * 9 meaning that we give 9 packets of space for each transmit fifo
const uint16_t receive_fifo_zie = 160; // 160 = 1024 - 6 * 144 section 35.10.1 details what some of this is used for besides storing packets
HAL_PCDEx_SetRxFiFo(&pcd_hs_handle, receive_fifo_zie);
for (uint16_t i = 0; i < 6; i++) {
HAL_PCDEx_SetTxFiFo(&pcd_hs_handle, i, transmit_fifo_size);
}
}
#endif
return USBD_OK;
}
/**
* @brief De-Initializes the Low Level portion of the Device driver.
* @param pdev: Device handle
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_DeInit(USBD_HandleTypeDef *pdev)
{
HAL_PCD_DeInit(pdev->pData);
return USBD_OK;
}
/**
* @brief Starts the Low Level portion of the Device driver.
* @param pdev: Device handle
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_Start(USBD_HandleTypeDef *pdev)
{
HAL_PCD_Start(pdev->pData);
return USBD_OK;
}
/**
* @brief Stops the Low Level portion of the Device driver.
* @param pdev: Device handle
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_Stop(USBD_HandleTypeDef *pdev)
{
HAL_PCD_Stop(pdev->pData);
return USBD_OK;
}
/**
* @brief Opens an endpoint of the Low Level Driver.
* @param pdev: Device handle
* @param ep_addr: Endpoint Number
* @param ep_type: Endpoint Type
* @param ep_mps: Endpoint Max Packet Size
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_OpenEP(USBD_HandleTypeDef *pdev,
uint8_t ep_addr,
uint8_t ep_type,
uint16_t ep_mps)
{
HAL_PCD_EP_Open(pdev->pData, ep_addr, ep_mps, ep_type);
return USBD_OK;
}
/**
* @brief Closes an endpoint of the Low Level Driver.
* @param pdev: Device handle
* @param ep_addr: Endpoint Number
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_CloseEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
HAL_PCD_EP_Close(pdev->pData, ep_addr);
return USBD_OK;
}
/**
* @brief Flushes an endpoint of the Low Level Driver.
* @param pdev: Device handle
* @param ep_addr: Endpoint Number
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_FlushEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
HAL_PCD_EP_Flush(pdev->pData, ep_addr);
return USBD_OK;
}
/**
* @brief Sets a Stall condition on an endpoint of the Low Level Driver.
* @param pdev: Device handle
* @param ep_addr: Endpoint Number
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_StallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
HAL_PCD_EP_SetStall(pdev->pData, ep_addr);
return USBD_OK;
}
/**
* @brief Clears a Stall condition on an endpoint of the Low Level Driver.
* @param pdev: Device handle
* @param ep_addr: Endpoint Number
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_ClearStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
HAL_PCD_EP_ClrStall(pdev->pData, ep_addr);
return USBD_OK;
}
/**
* @brief Returns Stall condition.
* @param pdev: Device handle
* @param ep_addr: Endpoint Number
* @retval Stall (1: yes, 0: No)
*/
uint8_t USBD_LL_IsStallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
PCD_HandleTypeDef *hpcd = pdev->pData;
if((ep_addr & 0x80) == 0x80)
{
return hpcd->IN_ep[ep_addr & 0x7F].is_stall;
}
else
{
return hpcd->OUT_ep[ep_addr & 0x7F].is_stall;
}
}
/**
* @brief Assigns an USB address to the device
* @param pdev: Device handle
* @param dev_addr: USB address
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_SetUSBAddress(USBD_HandleTypeDef *pdev, uint8_t dev_addr)
{
HAL_PCD_SetAddress(pdev->pData, dev_addr);
return USBD_OK;
}
/**
* @brief Transmits data over an endpoint
* @param pdev: Device handle
* @param ep_addr: Endpoint Number
* @param pbuf: Pointer to data to be sent
* @param size: Data size
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_Transmit(USBD_HandleTypeDef *pdev,
uint8_t ep_addr,
uint8_t *pbuf,
uint16_t size)
{
HAL_PCD_EP_Transmit(pdev->pData, ep_addr, pbuf, size);
return USBD_OK;
}
/**
* @brief Prepares an endpoint for reception
* @param pdev: Device handle
* @param ep_addr: Endpoint Number
* @param pbuf:pointer to data to be received
* @param size: data size
* @retval USBD Status
*/
USBD_StatusTypeDef USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev,
uint8_t ep_addr,
uint8_t *pbuf,
uint16_t size)
{
HAL_PCD_EP_Receive(pdev->pData, ep_addr, pbuf, size);
return USBD_OK;
}
/**
* @brief Returns the last transferred packet size.
* @param pdev: Device handle
* @param ep_addr: Endpoint Number
* @retval Received Data Size
*/
uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
return HAL_PCD_EP_GetRxCount(pdev->pData, ep_addr);
}
/**
* @brief Delay routine for the USB Device Library
* @param Delay: Delay in ms
* @retval None
*/
void USBD_LL_Delay(uint32_t Delay)
{
HAL_Delay(Delay);
}
/*******************************************************************************
IRQ Handlers
*******************************************************************************/
/**
* @brief This function handles USB-On-The-Go FS/HS global interrupt request.
* @param None
* @retval None
*/
#if defined(USE_USB_FS)
void OTG_FS_IRQHandler(void) {
SEGGER_SYSVIEW_RecordEnterISR();
IRQ_ENTER(OTG_FS_IRQn);
if (pcd_fs_handle.Instance) {
HAL_PCD_IRQHandler(&pcd_fs_handle);
}
IRQ_EXIT(OTG_FS_IRQn);
SEGGER_SYSVIEW_RecordExitISR();
}
#endif
#if defined(USE_USB_HS)
void OTG_HS_IRQHandler(void) {
SEGGER_SYSVIEW_RecordEnterISR();
IRQ_ENTER(OTG_HS_IRQn);
if (pcd_hs_handle.Instance) {
HAL_PCD_IRQHandler(&pcd_hs_handle);
}
IRQ_EXIT(OTG_HS_IRQn);
SEGGER_SYSVIEW_RecordExitISR();
}
#endif
/**
* @brief This function handles USB OTG Common FS/HS Wakeup functions.
* @param *pcd_handle for FS or HS
* @retval None
*/
#if defined(USE_USB_FS) || defined(USE_USB_HS)
static void OTG_CMD_WKUP_Handler(PCD_HandleTypeDef *pcd_handle) {
if (!(pcd_handle->Init.low_power_enable)) {
return;
}
/* Reset SLEEPDEEP bit of Cortex System Control Register */
SCB->SCR &= (uint32_t) ~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
/* Configures system clock after wake-up from STOP: enable HSE, PLL and select
PLL as system clock source (HSE and PLL are disabled in STOP mode) */
__HAL_RCC_HSE_CONFIG(RCC_HSE_ON);
/* Wait till HSE is ready */
while (__HAL_RCC_GET_FLAG(RCC_FLAG_HSERDY) == RESET) {}
/* Enable the main PLL. */
__HAL_RCC_PLL_ENABLE();
/* Wait till PLL is ready */
while (__HAL_RCC_GET_FLAG(RCC_FLAG_PLLRDY) == RESET) {}
/* Select PLL as SYSCLK */
MODIFY_REG(RCC->CFGR, RCC_CFGR_SW, RCC_SYSCLKSOURCE_PLLCLK);
while (__HAL_RCC_GET_SYSCLK_SOURCE() != RCC_CFGR_SWS_PLL) {}
/* ungate PHY clock */
__HAL_PCD_UNGATE_PHYCLOCK(pcd_handle);
}
#endif
/**
* @brief This function handles USB OTG FS/HS Wakeup IRQ Handler.
* @param None
* @retval None
*/
#if defined(USE_USB_FS)
void OTG_FS_WKUP_IRQHandler(void) {
IRQ_ENTER(OTG_FS_WKUP_IRQn);
if (pcd_fs_handle.Instance) {
OTG_CMD_WKUP_Handler(&pcd_fs_handle);
}
/* Clear EXTI pending Bit*/
__HAL_USB_OTG_FS_WAKEUP_EXTI_CLEAR_FLAG();
IRQ_EXIT(OTG_FS_WKUP_IRQn);
}
#endif
#if defined(USE_USB_HS)
void OTG_HS_WKUP_IRQHandler(void) {
IRQ_ENTER(OTG_HS_WKUP_IRQn);
if (pcd_hs_handle.Instance) {
OTG_CMD_WKUP_Handler(&pcd_hs_handle);
}
/* Clear EXTI pending Bit*/
__HAL_USB_HS_EXTI_CLEAR_FLAG();
IRQ_EXIT(OTG_HS_WKUP_IRQn);
}
#endif
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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