BlueSCSI-v2/lib/SCSI2SD/STM32CubeMX/SCSI2SD-V6/Src/usbd_conf.c

/**
  ******************************************************************************
  * @file           : usbd_conf.c
  * @version        : v1.0_Cube
  * @brief          : This file implements the board support package for the USB device library
  ******************************************************************************
  *
  * COPYRIGHT(c) 2019 STMicroelectronics
  *
  * 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 STMicroelectronics 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 AND CONTRIBUTORS "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 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 "stm32f2xx.h"
#include "stm32f2xx_hal.h"
#include "usbd_def.h"
#include "usbd_core.h"

PCD_HandleTypeDef hpcd_USB_OTG_FS;

/* External functions --------------------------------------------------------*/
void SystemClock_Config(void);

/* USER CODE BEGIN 0 */
/* USER CODE END 0 */

/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */

/*******************************************************************************
                       LL Driver Callbacks (PCD -> USB Device Library)
*******************************************************************************/
/* MSP Init */

void HAL_PCD_MspInit(PCD_HandleTypeDef* hpcd)
{
  GPIO_InitTypeDef GPIO_InitStruct;
  if(hpcd->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    
    PA10     ------> USB_OTG_FS_ID
    PA11     ------> USB_OTG_FS_DM
    PA12     ------> USB_OTG_FS_DP 
    */
    GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF10_OTG_FS;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    /* Peripheral clock enable */
    __USB_OTG_FS_CLK_ENABLE();
  /* USER CODE BEGIN USB_OTG_FS_MspInit 1 */

  /* USER CODE END USB_OTG_FS_MspInit 1 */
  }
  else if(hpcd->Instance==USB_OTG_HS)
  {
  /* USER CODE BEGIN USB_OTG_HS_MspInit 0 */

  /* USER CODE END USB_OTG_HS_MspInit 0 */
  
    /**USB_OTG_HS GPIO Configuration    
    PC0     ------> USB_OTG_HS_ULPI_STP
    PC2     ------> USB_OTG_HS_ULPI_DIR
    PC3     ------> USB_OTG_HS_ULPI_NXT
    PA3     ------> USB_OTG_HS_ULPI_D0
    PA5     ------> USB_OTG_HS_ULPI_CK
    PB0     ------> USB_OTG_HS_ULPI_D1
    PB1     ------> USB_OTG_HS_ULPI_D2
    PB10     ------> USB_OTG_HS_ULPI_D3
    PB11     ------> USB_OTG_HS_ULPI_D4
    PB12     ------> USB_OTG_HS_ULPI_D5
    PB13     ------> USB_OTG_HS_ULPI_D6
    PB5     ------> USB_OTG_HS_ULPI_D7 
    */
    GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_2|GPIO_PIN_3;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
    HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_5;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_10|GPIO_PIN_11 
                          |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_5;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF10_OTG_HS;
    HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

    /* Peripheral clock enable */
    __USB_OTG_HS_CLK_ENABLE();
    __USB_OTG_HS_ULPI_CLK_ENABLE();

    /* Peripheral interrupt init*/
    HAL_NVIC_SetPriority(OTG_HS_IRQn, 0, 0);
    HAL_NVIC_EnableIRQ(OTG_HS_IRQn);
  /* USER CODE BEGIN USB_OTG_HS_MspInit 1 */

  /* USER CODE END USB_OTG_HS_MspInit 1 */
  }
}

void HAL_PCD_MspDeInit(PCD_HandleTypeDef* hpcd)
{
  if(hpcd->Instance==USB_OTG_FS)
  {
  /* USER CODE BEGIN USB_OTG_FS_MspDeInit 0 */

  /* USER CODE END USB_OTG_FS_MspDeInit 0 */
    /* Peripheral clock disable */
    __USB_OTG_FS_CLK_DISABLE();
  
    /**USB_OTG_FS GPIO Configuration    
    PA10     ------> USB_OTG_FS_ID
    PA11     ------> USB_OTG_FS_DM
    PA12     ------> USB_OTG_FS_DP 
    */
    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12);

  /* USER CODE BEGIN USB_OTG_FS_MspDeInit 1 */

  /* USER CODE END USB_OTG_FS_MspDeInit 1 */
  }
  else if(hpcd->Instance==USB_OTG_HS)
  {
  /* USER CODE BEGIN USB_OTG_HS_MspDeInit 0 */

  /* USER CODE END USB_OTG_HS_MspDeInit 0 */
    /* Disable Peripheral clock */
    __USB_OTG_HS_CLK_DISABLE();
    __USB_OTG_HS_ULPI_CLK_DISABLE();
  
    /**USB_OTG_HS GPIO Configuration    
    PC0     ------> USB_OTG_HS_ULPI_STP
    PC2     ------> USB_OTG_HS_ULPI_DIR
    PC3     ------> USB_OTG_HS_ULPI_NXT
    PA3     ------> USB_OTG_HS_ULPI_D0
    PA5     ------> USB_OTG_HS_ULPI_CK
    PB0     ------> USB_OTG_HS_ULPI_D1
    PB1     ------> USB_OTG_HS_ULPI_D2
    PB10     ------> USB_OTG_HS_ULPI_D3
    PB11     ------> USB_OTG_HS_ULPI_D4
    PB12     ------> USB_OTG_HS_ULPI_D5
    PB13     ------> USB_OTG_HS_ULPI_D6
    PB5     ------> USB_OTG_HS_ULPI_D7 
    */
    HAL_GPIO_DeInit(GPIOC, GPIO_PIN_0|GPIO_PIN_2|GPIO_PIN_3);

    HAL_GPIO_DeInit(GPIOA, GPIO_PIN_3|GPIO_PIN_5);

    HAL_GPIO_DeInit(GPIOB, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_10|GPIO_PIN_11 
                          |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_5);

    /* Peripheral interrupt Deinit*/
    HAL_NVIC_DisableIRQ(OTG_HS_IRQn);

  /* USER CODE BEGIN USB_OTG_HS_MspDeInit 1 */

  /* USER CODE END USB_OTG_HS_MspDeInit 1 */
  }
}

/**
  * @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.
  * When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)
  * @param  hpcd: PCD handle
  * @retval None
  */
void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
{  
   /* Inform USB library that core enters in suspend Mode */
  USBD_LL_Suspend(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 */
}

/**
  * @brief  Resume callback.
    When Low power mode is enabled the debug cannot be used (IAR, Keil doesn't support it)
  * @param  hpcd: PCD handle
  * @retval None
  */
void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
{
  /* USER CODE BEGIN 3 */
  /* USER CODE END 3 */
  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)
{ 
  /* Init USB_IP */
  if (pdev->id == DEVICE_FS) {
  /* Link The driver to the stack */
  hpcd_USB_OTG_FS.pData = pdev;
  pdev->pData = &hpcd_USB_OTG_FS;

  hpcd_USB_OTG_FS.Instance = USB_OTG_FS;
  hpcd_USB_OTG_FS.Init.dev_endpoints = 7;
  hpcd_USB_OTG_FS.Init.speed = PCD_SPEED_FULL;
  hpcd_USB_OTG_FS.Init.dma_enable = DISABLE;
  hpcd_USB_OTG_FS.Init.ep0_mps = DEP0CTL_MPS_64;
  hpcd_USB_OTG_FS.Init.phy_itface = PCD_PHY_EMBEDDED;
  hpcd_USB_OTG_FS.Init.Sof_enable = DISABLE;
  hpcd_USB_OTG_FS.Init.low_power_enable = DISABLE;
  hpcd_USB_OTG_FS.Init.vbus_sensing_enable = DISABLE;  // VBUS NOT CONNECTED ?? CHECK.
  hpcd_USB_OTG_FS.Init.use_dedicated_ep1 = DISABLE;
  HAL_PCD_Init(&hpcd_USB_OTG_FS);

  // Sum of all FIFOs must be <= 320.
  HAL_PCD_SetRxFiFo(&hpcd_USB_OTG_FS, 0x80);
  HAL_PCD_SetTxFiFo(&hpcd_USB_OTG_FS, 0, 0x40);
  HAL_PCD_SetTxFiFo(&hpcd_USB_OTG_FS, 1, 0x40);
  HAL_PCD_SetTxFiFo(&hpcd_USB_OTG_FS, 2, 0x40);

  HAL_NVIC_SetPriority(OTG_FS_IRQn, 0, 0);
  HAL_NVIC_EnableIRQ(OTG_FS_IRQn);

  } else if (pdev->id == DEVICE_HS) {
  /* Link The driver to the stack */
	  /*
  hpcd_USB_OTG_HS.pData = pdev;
  pdev->pData = &hpcd_USB_OTG_HS;

  hpcd_USB_OTG_HS.Instance = USB_OTG_HS;
  hpcd_USB_OTG_HS.Init.dev_endpoints = 11;
  hpcd_USB_OTG_HS.Init.speed = PCD_SPEED_HIGH;
  hpcd_USB_OTG_HS.Init.dma_enable = ENABLE;
  hpcd_USB_OTG_HS.Init.ep0_mps = DEP0CTL_MPS_64;
  hpcd_USB_OTG_HS.Init.phy_itface = USB_OTG_ULPI_PHY;
  hpcd_USB_OTG_HS.Init.Sof_enable = DISABLE;
  hpcd_USB_OTG_HS.Init.low_power_enable = DISABLE;
  hpcd_USB_OTG_HS.Init.vbus_sensing_enable = DISABLE;
  hpcd_USB_OTG_HS.Init.use_dedicated_ep1 = DISABLE;
  hpcd_USB_OTG_HS.Init.use_external_vbus = DISABLE;
  HAL_PCD_Init(&hpcd_USB_OTG_HS);

  HAL_PCD_SetRxFiFo(&hpcd_USB_OTG_HS, 0x200);
  HAL_PCD_SetTxFiFo(&hpcd_USB_OTG_HS, 0, 0x40);
  HAL_PCD_SetTxFiFo(&hpcd_USB_OTG_HS, 1, 0x40);
  HAL_PCD_SetTxFiFo(&hpcd_USB_OTG_HS, 2, 0x174);
  */
  }
  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 a USB address to the device.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @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 transfered packet size.
  * @param  pdev: Device handle
  * @param  ep_addr: Endpoint Number
  * @retval Recived Data Size
  */
uint32_t USBD_LL_GetRxDataSize  (USBD_HandleTypeDef *pdev, uint8_t  ep_addr)  
{
  return HAL_PCD_EP_GetRxCount(pdev->pData, ep_addr);
}
/**
  * @brief  Delays routine for the USB Device Library.
  * @param  Delay: Delay in ms
  * @retval None
  */
void  USBD_LL_Delay (uint32_t Delay)
{
  HAL_Delay(Delay);  
}
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/