usbd_conf.c File Reference

: This file implements the board support package for the USB device library More...

#include "stm32f4xx.h"
#include "stm32f4xx_hal.h"
#include "usbd_def.h"
#include "usbd_core.h"

Functions
void	Error_Handler (void)
	This function is executed in case of error occurrence. More...
void	SystemClock_Config (void)
	System Clock Configuration. More...
void	HAL_PCD_MspInit (PCD_HandleTypeDef *pcdHandle)
void	HAL_PCD_MspDeInit (PCD_HandleTypeDef *pcdHandle)
void	HAL_PCD_SetupStageCallback (PCD_HandleTypeDef *hpcd)
	Setup stage callback. More...
void	HAL_PCD_DataOutStageCallback (PCD_HandleTypeDef *hpcd, uint8_t epnum)
	Data Out stage callback. More...
void	HAL_PCD_DataInStageCallback (PCD_HandleTypeDef *hpcd, uint8_t epnum)
	Data In stage callback. More...
void	HAL_PCD_SOFCallback (PCD_HandleTypeDef *hpcd)
	SOF callback. More...
void	HAL_PCD_ResetCallback (PCD_HandleTypeDef *hpcd)
	Reset callback. More...
void	HAL_PCD_SuspendCallback (PCD_HandleTypeDef *hpcd)
	Suspend callback. When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it) More...
void	HAL_PCD_ResumeCallback (PCD_HandleTypeDef *hpcd)
	Resume callback. When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it) More...
void	HAL_PCD_ISOOUTIncompleteCallback (PCD_HandleTypeDef *hpcd, uint8_t epnum)
	ISOOUTIncomplete callback. More...
void	HAL_PCD_ISOINIncompleteCallback (PCD_HandleTypeDef *hpcd, uint8_t epnum)
	ISOINIncomplete callback. More...
void	HAL_PCD_ConnectCallback (PCD_HandleTypeDef *hpcd)
	Connect callback. More...
void	HAL_PCD_DisconnectCallback (PCD_HandleTypeDef *hpcd)
	Disconnect callback. More...
USBD_StatusTypeDef	USBD_LL_Init (USBD_HandleTypeDef *pdev)
	Initializes the low level portion of the device driver. More...
USBD_StatusTypeDef	USBD_LL_DeInit (USBD_HandleTypeDef *pdev)
	De-Initializes the low level portion of the device driver. More...
USBD_StatusTypeDef	USBD_LL_Start (USBD_HandleTypeDef *pdev)
	Starts the low level portion of the device driver. More...
USBD_StatusTypeDef	USBD_LL_Stop (USBD_HandleTypeDef *pdev)
	Stops the low level portion of the device driver. More...
USBD_StatusTypeDef	USBD_LL_OpenEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t ep_type, uint16_t ep_mps)
	Opens an endpoint of the low level driver. More...
USBD_StatusTypeDef	USBD_LL_CloseEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)
	Closes an endpoint of the low level driver. More...
USBD_StatusTypeDef	USBD_LL_FlushEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)
	Flushes an endpoint of the Low Level Driver. More...
USBD_StatusTypeDef	USBD_LL_StallEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)
	Sets a Stall condition on an endpoint of the Low Level Driver. More...
USBD_StatusTypeDef	USBD_LL_ClearStallEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)
	Clears a Stall condition on an endpoint of the Low Level Driver. More...
uint8_t	USBD_LL_IsStallEP (USBD_HandleTypeDef *pdev, uint8_t ep_addr)
	Returns Stall condition. More...
USBD_StatusTypeDef	USBD_LL_SetUSBAddress (USBD_HandleTypeDef *pdev, uint8_t dev_addr)
	Assigns a USB address to the device. More...
USBD_StatusTypeDef	USBD_LL_Transmit (USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint16_t size)
	Transmits data over an endpoint. More...
USBD_StatusTypeDef	USBD_LL_PrepareReceive (USBD_HandleTypeDef *pdev, uint8_t ep_addr, uint8_t *pbuf, uint16_t size)
	Prepares an endpoint for reception. More...
uint32_t	USBD_LL_GetRxDataSize (USBD_HandleTypeDef *pdev, uint8_t ep_addr)
	Returns the last transfered packet size. More...
void	USBD_LL_Delay (uint32_t Delay)
	Delays routine for the USB Device Library. More...

Variables
PCD_HandleTypeDef	hpcd_USB_OTG_FS

Detailed Description

: This file implements the board support package for the USB device library

Version

: v1.0_Cube This notice applies to any and all portions of this file that are not between comment pairs USER CODE BEGIN and USER CODE END. Other portions of this file, whether inserted by the user or by software development tools are owned by their respective copyright owners.

Copyright (c) 2019 STMicroelectronics International N.V. 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. 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.

Function Documentation

Error_Handler()

void Error_Handler

(

void

)

This function is executed in case of error occurrence.

Return values

None

                         {
    /* USER CODE BEGIN Error_Handler_Debug */
    /* User can add his own implementation to report the HAL error return state */
    app_error();
    /* USER CODE END Error_Handler_Debug */
}

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SystemClock_Config()

void SystemClock_Config

(

void

)

System Clock Configuration.

Parameters

None

Return values

None
None

Configure the main internal regulator output voltage

Initializes the CPU, AHB and APB busses clocks

Initializes the CPU, AHB and APB busses clocks

Configure the Systick interrupt time

Configure the Systick

Configure the main internal regulator output voltage

Initializes the CPU, AHB and APB busses clocks

Initializes the CPU, AHB and APB busses clocks

Configure the Systick interrupt time

Configure the Systick

Configure the main internal regulator output voltage

Initializes the CPU, AHB and APB busses clocks

Initializes the CPU, AHB and APB busses clocks

                               {
 
  RCC_OscInitTypeDef RCC_OscInitStruct;
  RCC_ClkInitTypeDef RCC_ClkInitStruct;
 
  /**Configure the main internal regulator output voltage
  */
  __HAL_RCC_PWR_CLK_ENABLE();
 
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
 
  /**Initializes the CPU, AHB and APB busses clocks
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLM = 8;
  RCC_OscInitStruct.PLL.PLLN = 336;
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 7;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
    _Error_Handler(__FILE__, __LINE__);
  }
 
  /**Initializes the CPU, AHB and APB busses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK
                                | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
 
  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) {
    _Error_Handler(__FILE__, __LINE__);
  }
 
  /**Configure the Systick interrupt time
  */
  HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq() / 1000);
 
  /**Configure the Systick
  */
  HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
 
  /* SysTick_IRQn interrupt configuration */
  HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}

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HAL_PCD_MspInit()

void HAL_PCD_MspInit

(

PCD_HandleTypeDef *

pcdHandle

)

USB_OTG_FS GPIO Configuration PA11 ---—> USB_OTG_FS_DM PA12 ---—> USB_OTG_FS_DP

                                                   {
    GPIO_InitTypeDef GPIO_InitStruct;
    if (pcdHandle->Instance == USB_OTG_FS) {
        /* USER CODE BEGIN USB_OTG_FS_MspInit 0 */
 
        /* USER CODE END USB_OTG_FS_MspInit 0 */
 
        /**USB_OTG_FS GPIO Configuration
    PA11     ------> USB_OTG_FS_DM
    PA12     ------> USB_OTG_FS_DP
    */
        GPIO_InitStruct.Pin = USB_FS_N_Pin | USB_FS_P_Pin;
        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);
 
        /* Peripheral clock enable */
        __HAL_RCC_USB_OTG_FS_CLK_ENABLE();
 
        /* Peripheral interrupt init */
        HAL_NVIC_SetPriority(OTG_FS_IRQn, 5, 0);
        HAL_NVIC_EnableIRQ(OTG_FS_IRQn);
        /* USER CODE BEGIN USB_OTG_FS_MspInit 1 */
 
        /* USER CODE END USB_OTG_FS_MspInit 1 */
    }

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HAL_PCD_MspDeInit()

void HAL_PCD_MspDeInit

(

PCD_HandleTypeDef *

pcdHandle

)

USB_OTG_FS GPIO Configuration PA11 ---—> USB_OTG_FS_DM PA12 ---—> USB_OTG_FS_DP

                                                     {
    if (pcdHandle->Instance == USB_OTG_FS) {
        /* USER CODE BEGIN USB_OTG_FS_MspDeInit 0 */
 
        /* USER CODE END USB_OTG_FS_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_USB_OTG_FS_CLK_DISABLE();
 
        /**USB_OTG_FS GPIO Configuration
    PA11     ------> USB_OTG_FS_DM
    PA12     ------> USB_OTG_FS_DP
    */
        HAL_GPIO_DeInit(GPIOA, USB_FS_N_Pin | USB_FS_P_Pin);
 
        /* Peripheral interrupt Deinit*/
        HAL_NVIC_DisableIRQ(OTG_FS_IRQn);
 
        /* USER CODE BEGIN USB_OTG_FS_MspDeInit 1 */
 
        /* USER CODE END USB_OTG_FS_MspDeInit 1 */
    }

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HAL_PCD_SetupStageCallback()

void HAL_PCD_SetupStageCallback

(

PCD_HandleTypeDef *

hpcd

)

Setup stage callback.

Parameters

hpcd	PCD handle

Return values

None

                                                         {
    USBD_LL_SetupStage((USBD_HandleTypeDef *)hpcd->pData, (uint8_t *)hpcd->Setup);

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HAL_PCD_DataOutStageCallback()

void HAL_PCD_DataOutStageCallback	(	PCD_HandleTypeDef *	hpcd,
		uint8_t	epnum
	)

Data Out stage callback.

Parameters

hpcd	PCD handle
epnum	Endpoint number

Return values

None

                                                                          {
    USBD_LL_DataOutStage((USBD_HandleTypeDef *)hpcd->pData, epnum, hpcd->OUT_ep[epnum].xfer_buff);

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HAL_PCD_DataInStageCallback()

void HAL_PCD_DataInStageCallback	(	PCD_HandleTypeDef *	hpcd,
		uint8_t	epnum
	)

Data In stage callback.

Parameters

hpcd	PCD handle
epnum	Endpoint number

Return values

None

                                                                         {
    USBD_LL_DataInStage((USBD_HandleTypeDef *)hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff);

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HAL_PCD_SOFCallback()

void HAL_PCD_SOFCallback

(

PCD_HandleTypeDef *

hpcd

)

SOF callback.

Parameters

hpcd	PCD handle

Return values

None

                                                  {
    USBD_LL_SOF((USBD_HandleTypeDef *)hpcd->pData);

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HAL_PCD_ResetCallback()

void HAL_PCD_ResetCallback

(

PCD_HandleTypeDef *

hpcd

)

Reset callback.

Parameters

hpcd	PCD handle

Return values

None

                                                    {
    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((USBD_HandleTypeDef *)hpcd->pData, speed);
 
    /* Reset Device. */
    USBD_LL_Reset((USBD_HandleTypeDef *)hpcd->pData);

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HAL_PCD_SuspendCallback()

void HAL_PCD_SuspendCallback

(

PCD_HandleTypeDef *

hpcd

)

Suspend callback. When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)

Parameters

hpcd	PCD handle

Return values

None

                                                      {
    /* Inform USB library that core enters in suspend Mode. */
    USBD_LL_Suspend((USBD_HandleTypeDef *)hpcd->pData);
    __HAL_PCD_GATE_PHYCLOCK(hpcd);
    /* Enter in STOP mode. */
    /* USER CODE BEGIN 2 */
    if (hpcd->Init.low_power_enable) {
        /* Set SLEEPDEEP bit and SleepOnExit of Cortex System Control Register. */
        SCB->SCR |= (uint32_t)((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
    }
    /* USER CODE END 2 */

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HAL_PCD_ResumeCallback()

void HAL_PCD_ResumeCallback

(

PCD_HandleTypeDef *

hpcd

)

Resume callback. When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)

Parameters

hpcd	PCD handle

Return values

None

                                                     {
    /* USER CODE BEGIN 3 */
 
    /* USER CODE END 3 */
    USBD_LL_Resume((USBD_HandleTypeDef *)hpcd->pData);

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HAL_PCD_ISOOUTIncompleteCallback()

void HAL_PCD_ISOOUTIncompleteCallback	(	PCD_HandleTypeDef *	hpcd,
		uint8_t	epnum
	)

ISOOUTIncomplete callback.

Parameters

hpcd	PCD handle
epnum	Endpoint number

Return values

None

                                                                              {
    USBD_LL_IsoOUTIncomplete((USBD_HandleTypeDef *)hpcd->pData, epnum);

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HAL_PCD_ISOINIncompleteCallback()

void HAL_PCD_ISOINIncompleteCallback	(	PCD_HandleTypeDef *	hpcd,
		uint8_t	epnum
	)

ISOINIncomplete callback.

Parameters

hpcd	PCD handle
epnum	Endpoint number

Return values

None

                                                                             {
    USBD_LL_IsoINIncomplete((USBD_HandleTypeDef *)hpcd->pData, epnum);

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HAL_PCD_ConnectCallback()

void HAL_PCD_ConnectCallback

(

PCD_HandleTypeDef *

hpcd

)

Connect callback.

Parameters

hpcd	PCD handle

Return values

None

                                                      {
    USBD_LL_DevConnected((USBD_HandleTypeDef *)hpcd->pData);

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HAL_PCD_DisconnectCallback()

void HAL_PCD_DisconnectCallback

(

PCD_HandleTypeDef *

hpcd

)

Disconnect callback.

Parameters

hpcd	PCD handle

Return values

None

                                                         {
    USBD_LL_DevDisconnected((USBD_HandleTypeDef *)hpcd->pData);

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Variable Documentation

hpcd_USB_OTG_FS

PCD_HandleTypeDef hpcd_USB_OTG_FS