text: /* USER CODE BEGIN Header */
  /**
    ******************************************************************************
    * @file           : Target/usbd_conf.c
    * @version        : v2.0_Cube
    * @brief          : This file implements the board support package for the USB device library
    ******************************************************************************
    * @attention
    *
    * <h2><center>&copy; Copyright (c) 2021 STMicroelectronics.
    * All rights reserved.</center></h2>
    *
    * This software component is licensed by ST under Ultimate Liberty license
    * SLA0044, the "License"; You may not use this file except in compliance with
    * the License. You may obtain a copy of the License at:
    *                             www.st.com/SLA0044
    *
    ******************************************************************************
    */
  /* USER CODE END Header */
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm32f1xx.h"
  #include "stm32f1xx_hal.h"
  #include "usbd_def.h"
  #include "usbd_core.h"
  #include "usbd_cdc.h"
  
  /* USER CODE BEGIN Includes */
  
  /* USER CODE END Includes */
  
  /* Private typedef -----------------------------------------------------------*/
  /* Private define ------------------------------------------------------------*/
  /* Private macro -------------------------------------------------------------*/
  
  /* USER CODE BEGIN PV */
  /* Private variables ---------------------------------------------------------*/
  
  /* USER CODE END PV */
  
  PCD_HandleTypeDef hpcd_USB_FS;
  void Error_Handler(void);
  
  /* USER CODE BEGIN 0 */
  
  /* USER CODE END 0 */
  
  /* USER CODE BEGIN PFP */
  /* Private function prototypes -----------------------------------------------*/
  
  /* USER CODE END PFP */
  
  /* Private functions ---------------------------------------------------------*/
  static USBD_StatusTypeDef USBD_Get_USB_Status(HAL_StatusTypeDef hal_status);
  /* USER CODE BEGIN 1 */
  
  /* USER CODE END 1 */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state);
  #else
  void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state);
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  
  /*******************************************************************************
                         LL Driver Callbacks (PCD -> USB Device Library)
  *******************************************************************************/
  /* MSP Init */
  
  void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle)
  {
    if(pcdHandle->Instance==USB)
    {
    /* USER CODE BEGIN USB_MspInit 0 */
  
    /* USER CODE END USB_MspInit 0 */
      /* Peripheral clock enable */
      __HAL_RCC_USB_CLK_ENABLE();
  
      /* Peripheral interrupt init */
      HAL_NVIC_SetPriority(USB_LP_CAN1_RX0_IRQn, 0, 0);
      HAL_NVIC_EnableIRQ(USB_LP_CAN1_RX0_IRQn);
    /* USER CODE BEGIN USB_MspInit 1 */
  
    /* USER CODE END USB_MspInit 1 */
    }
  }
  
  void HAL_PCD_MspDeInit(PCD_HandleTypeDef* pcdHandle)
  {
    if(pcdHandle->Instance==USB)
    {
    /* USER CODE BEGIN USB_MspDeInit 0 */
  
    /* USER CODE END USB_MspDeInit 0 */
      /* Peripheral clock disable */
      __HAL_RCC_USB_CLK_DISABLE();
  
      /* Peripheral interrupt Deinit*/
      HAL_NVIC_DisableIRQ(USB_LP_CAN1_RX0_IRQn);
  
    /* USER CODE BEGIN USB_MspDeInit 1 */
  
    /* USER CODE END USB_MspDeInit 1 */
    }
  }
  
  /**
    * @brief  Setup stage callback
    * @param  hpcd: PCD handle
    * @retval None
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
  #else
  void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    USBD_LL_SetupStage((USBD_HandleTypeDef*)hpcd->pData, (uint8_t *)hpcd->Setup);
  }
  
  /**
    * @brief  Data Out stage callback.
    * @param  hpcd: PCD handle
    * @param  epnum: Endpoint number
    * @retval None
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
  #else
  void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    USBD_LL_DataOutStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->OUT_ep[epnum].xfer_buff);
  }
  
  /**
    * @brief  Data In stage callback.
    * @param  hpcd: PCD handle
    * @param  epnum: Endpoint number
    * @retval None
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
  #else
  void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    USBD_LL_DataInStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff);
  }
  
  /**
    * @brief  SOF callback.
    * @param  hpcd: PCD handle
    * @retval None
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
  #else
  void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    USBD_LL_SOF((USBD_HandleTypeDef*)hpcd->pData);
  }
  
  /**
    * @brief  Reset callback.
    * @param  hpcd: PCD handle
    * @retval None
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
  #else
  void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    USBD_SpeedTypeDef speed = USBD_SPEED_FULL;
  
    if ( hpcd->Init.speed != PCD_SPEED_FULL)
    {
      Error_Handler();
    }
      /* Set Speed. */
    USBD_LL_SetSpeed((USBD_HandleTypeDef*)hpcd->pData, speed);
  
    /* Reset Device. */
    USBD_LL_Reset((USBD_HandleTypeDef*)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
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
  #else
  void HAL_PCD_SuspendCallback(PCD_HandleTypeDef *hpcd)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    /* Inform USB library that core enters in suspend Mode. */
    USBD_LL_Suspend((USBD_HandleTypeDef*)hpcd->pData);
    /* 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
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
  #else
  void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    /* USER CODE BEGIN 3 */
  
    /* USER CODE END 3 */
    USBD_LL_Resume((USBD_HandleTypeDef*)hpcd->pData);
  }
  
  /**
    * @brief  ISOOUTIncomplete callback.
    * @param  hpcd: PCD handle
    * @param  epnum: Endpoint number
    * @retval None
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
  #else
  void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    USBD_LL_IsoOUTIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum);
  }
  
  /**
    * @brief  ISOINIncomplete callback.
    * @param  hpcd: PCD handle
    * @param  epnum: Endpoint number
    * @retval None
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
  #else
  void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    USBD_LL_IsoINIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum);
  }
  
  /**
    * @brief  Connect callback.
    * @param  hpcd: PCD handle
    * @retval None
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
  #else
  void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    USBD_LL_DevConnected((USBD_HandleTypeDef*)hpcd->pData);
  }
  
  /**
    * @brief  Disconnect callback.
    * @param  hpcd: PCD handle
    * @retval None
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
  #else
  void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    USBD_LL_DevDisconnected((USBD_HandleTypeDef*)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. */
    /* Link the driver to the stack. */
    hpcd_USB_FS.pData = pdev;
    pdev->pData = &hpcd_USB_FS;
  
    hpcd_USB_FS.Instance = USB;
    hpcd_USB_FS.Init.dev_endpoints = 8;
    hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
    hpcd_USB_FS.Init.low_power_enable = DISABLE;
    hpcd_USB_FS.Init.lpm_enable = DISABLE;
    hpcd_USB_FS.Init.battery_charging_enable = DISABLE;
    if (HAL_PCD_Init(&hpcd_USB_FS) != HAL_OK)
    {
      Error_Handler( );
    }
  
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
    /* Register USB PCD CallBacks */
    HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_SOF_CB_ID, PCD_SOFCallback);
    HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_SETUPSTAGE_CB_ID, PCD_SetupStageCallback);
    HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_RESET_CB_ID, PCD_ResetCallback);
    HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_SUSPEND_CB_ID, PCD_SuspendCallback);
    HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_RESUME_CB_ID, PCD_ResumeCallback);
    HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_CONNECT_CB_ID, PCD_ConnectCallback);
    HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_DISCONNECT_CB_ID, PCD_DisconnectCallback);
  
    HAL_PCD_RegisterDataOutStageCallback(&hpcd_USB_FS, PCD_DataOutStageCallback);
    HAL_PCD_RegisterDataInStageCallback(&hpcd_USB_FS, PCD_DataInStageCallback);
    HAL_PCD_RegisterIsoOutIncpltCallback(&hpcd_USB_FS, PCD_ISOOUTIncompleteCallback);
    HAL_PCD_RegisterIsoInIncpltCallback(&hpcd_USB_FS, PCD_ISOINIncompleteCallback);
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
    /* USER CODE BEGIN EndPoint_Configuration */
    HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x00 , PCD_SNG_BUF, 0x18);
    HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x80 , PCD_SNG_BUF, 0x58);
    /* USER CODE END EndPoint_Configuration */
    /* USER CODE BEGIN EndPoint_Configuration_CDC */
    HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x81 , PCD_SNG_BUF, 0xC0);
    HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x01 , PCD_SNG_BUF, 0x110);
    HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x82 , PCD_SNG_BUF, 0x100);
    /* USER CODE END EndPoint_Configuration_CDC */
    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_StatusTypeDef hal_status = HAL_OK;
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    hal_status = HAL_PCD_DeInit(pdev->pData);
  
    usb_status =  USBD_Get_USB_Status(hal_status);
  
    return usb_status;
  }
  
  /**
    * @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_StatusTypeDef hal_status = HAL_OK;
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    hal_status = HAL_PCD_Start(pdev->pData);
  
    usb_status =  USBD_Get_USB_Status(hal_status);
  
    return usb_status;
  }
  
  /**
    * @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_StatusTypeDef hal_status = HAL_OK;
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    hal_status = HAL_PCD_Stop(pdev->pData);
  
    usb_status =  USBD_Get_USB_Status(hal_status);
  
    return usb_status;
  }
  
  /**
    * @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_StatusTypeDef hal_status = HAL_OK;
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    hal_status = HAL_PCD_EP_Open(pdev->pData, ep_addr, ep_mps, ep_type);
  
    usb_status =  USBD_Get_USB_Status(hal_status);
  
    return usb_status;
  }
  
  /**
    * @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_StatusTypeDef hal_status = HAL_OK;
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    hal_status = HAL_PCD_EP_Close(pdev->pData, ep_addr);
  
    usb_status =  USBD_Get_USB_Status(hal_status);
  
    return usb_status;
  }
  
  /**
    * @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_StatusTypeDef hal_status = HAL_OK;
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    hal_status = HAL_PCD_EP_Flush(pdev->pData, ep_addr);
  
    usb_status =  USBD_Get_USB_Status(hal_status);
  
    return usb_status;
  }
  
  /**
    * @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_StatusTypeDef hal_status = HAL_OK;
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    hal_status = HAL_PCD_EP_SetStall(pdev->pData, ep_addr);
  
    usb_status =  USBD_Get_USB_Status(hal_status);
  
    return usb_status;
  }
  
  /**
    * @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_StatusTypeDef hal_status = HAL_OK;
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    hal_status = HAL_PCD_EP_ClrStall(pdev->pData, ep_addr);
  
    usb_status =  USBD_Get_USB_Status(hal_status);
  
    return usb_status;
  }
  
  /**
    * @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 = (PCD_HandleTypeDef*) 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  dev_addr: Device address
    * @retval USBD status
    */
  USBD_StatusTypeDef USBD_LL_SetUSBAddress(USBD_HandleTypeDef *pdev, uint8_t dev_addr)
  {
    HAL_StatusTypeDef hal_status = HAL_OK;
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    hal_status = HAL_PCD_SetAddress(pdev->pData, dev_addr);
  
    usb_status =  USBD_Get_USB_Status(hal_status);
  
    return usb_status;
  }
  
  /**
    * @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_StatusTypeDef hal_status = HAL_OK;
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    hal_status = HAL_PCD_EP_Transmit(pdev->pData, ep_addr, pbuf, size);
  
    usb_status =  USBD_Get_USB_Status(hal_status);
  
    return usb_status;
  }
  
  /**
    * @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_StatusTypeDef hal_status = HAL_OK;
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    hal_status = HAL_PCD_EP_Receive(pdev->pData, ep_addr, pbuf, size);
  
    usb_status =  USBD_Get_USB_Status(hal_status);
  
    return usb_status;
  }
  
  /**
    * @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((PCD_HandleTypeDef*) 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);
  }
  
  /**
    * @brief  Static single allocation.
    * @param  size: Size of allocated memory
    * @retval None
    */
  void *USBD_static_malloc(uint32_t size)
  {
    static uint32_t mem[(sizeof(USBD_CDC_HandleTypeDef)/4)+1];/* On 32-bit boundary */
    return mem;
  }
  
  /**
    * @brief  Dummy memory free
    * @param  p: Pointer to allocated  memory address
    * @retval None
    */
  void USBD_static_free(void *p)
  {
  
  }
  
  /**
    * @brief Software Device Connection
    * @param hpcd: PCD handle
    * @param state: Connection state (0: disconnected / 1: connected)
    * @retval None
    */
  #if (USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
  static void PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
  #else
  void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
  #endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
  {
    /* USER CODE BEGIN 6 */
    if (state == 1)
    {
      /* Configure Low connection state. */
  
    }
    else
    {
      /* Configure High connection state. */
  
    }
    /* USER CODE END 6 */
  }
  
  /**
    * @brief  Returns the USB status depending on the HAL status:
    * @param  hal_status: HAL status
    * @retval USB status
    */
  USBD_StatusTypeDef USBD_Get_USB_Status(HAL_StatusTypeDef hal_status)
  {
    USBD_StatusTypeDef usb_status = USBD_OK;
  
    switch (hal_status)
    {
      case HAL_OK :
        usb_status = USBD_OK;
      break;
      case HAL_ERROR :
        usb_status = USBD_FAIL;
      break;
      case HAL_BUSY :
        usb_status = USBD_BUSY;
      break;
      case HAL_TIMEOUT :
        usb_status = USBD_FAIL;
      break;
      default :
        usb_status = USBD_FAIL;
      break;
    }
    return usb_status;
  }
  
  /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
  