Momentum-Apps/firmware/targets/f7/cube/Src/usbd_conf.c

/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : usbd_conf.c
  * @version        : v3.0_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 "stm32wbxx.h"
#include "stm32wbxx_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 -------------------------------------------------------------*/

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */

/* USER CODE END PV */

PCD_HandleTypeDef hpcd_USB_FS;
void Error_Handler(void);

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/* Exported function prototypes ----------------------------------------------*/

/* 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 */
static void SystemClockConfig_Resume(void);

/* USER CODE END 1 */
extern void SystemClock_Config(void);

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

#if(USE_HAL_PCD_REGISTER_CALLBACK == 1U)
static void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle)
#else
void HAL_PCD_MspInit(PCD_HandleTypeDef* pcdHandle)
#endif /* USE_HAL_PCD_REGISTER_CALLBACK */
{
    GPIO_InitTypeDef GPIO_InitStruct = {0};
    if(pcdHandle->Instance == USB) {
        /* USER CODE BEGIN USB_MspInit 0 */

        /* USER CODE END USB_MspInit 0 */

        __HAL_RCC_GPIOA_CLK_ENABLE();
        /**USB GPIO Configuration
    PA11     ------> USB_DM
    PA12     ------> USB_DP
    */
        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_USB;
        HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

        /* Peripheral clock enable */
        __HAL_RCC_USB_CLK_ENABLE();

        /* Peripheral interrupt init */
        HAL_NVIC_SetPriority(USB_LP_IRQn, 5, 0);
        HAL_NVIC_EnableIRQ(USB_LP_IRQn);
        /* USER CODE BEGIN USB_MspInit 1 */

        /* USER CODE END USB_MspInit 1 */
    }
}

#if(USE_HAL_PCD_REGISTER_CALLBACK == 1U)
static void HAL_PCD_MspDeInit(PCD_HandleTypeDef* pcdHandle)
#else
void HAL_PCD_MspDeInit(PCD_HandleTypeDef* pcdHandle)
#endif /* USE_HAL_PCD_REGISTER_CALLBACK */
{
    if(pcdHandle->Instance == USB) {
        /* USER CODE BEGIN USB_MspDeInit 0 */

        /* USER CODE END USB_MspDeInit 0 */
        /* Peripheral clock disable */
        __HAL_RCC_USB_CLK_DISABLE();

        /**USB GPIO Configuration
    PA11     ------> USB_DM
    PA12     ------> USB_DP
    */
        HAL_GPIO_DeInit(GPIOA, GPIO_PIN_11 | GPIO_PIN_12);

        /* Peripheral interrupt Deinit*/
        HAL_NVIC_DisableIRQ(USB_LP_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 */
{
    /* USER CODE BEGIN HAL_PCD_SetupStageCallback_PreTreatment */

    /* USER CODE END  HAL_PCD_SetupStageCallback_PreTreatment */
    USBD_LL_SetupStage((USBD_HandleTypeDef*)hpcd->pData, (uint8_t*)hpcd->Setup);
    /* USER CODE BEGIN HAL_PCD_SetupStageCallback_PostTreatment */

    /* USER CODE END  HAL_PCD_SetupStageCallback_PostTreatment */
}

/**
  * @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 */
{
    /* USER CODE BEGIN HAL_PCD_DataOutStageCallback_PreTreatment */

    /* USER CODE END HAL_PCD_DataOutStageCallback_PreTreatment */
    USBD_LL_DataOutStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->OUT_ep[epnum].xfer_buff);
    /* USER CODE BEGIN HAL_PCD_DataOutStageCallback_PostTreatment */

    /* USER CODE END HAL_PCD_DataOutStageCallback_PostTreatment */
}

/**
  * @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 */
{
    /* USER CODE BEGIN HAL_PCD_DataInStageCallback_PreTreatment */

    /* USER CODE END HAL_PCD_DataInStageCallback_PreTreatment */
    USBD_LL_DataInStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff);
    /* USER CODE BEGIN HAL_PCD_DataInStageCallback_PostTreatment  */

    /* USER CODE END HAL_PCD_DataInStageCallback_PostTreatment */
}

/**
  * @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 */
{
    /* USER CODE BEGIN HAL_PCD_SOFCallback_PreTreatment */

    /* USER CODE END HAL_PCD_SOFCallback_PreTreatment */
    USBD_LL_SOF((USBD_HandleTypeDef*)hpcd->pData);
    /* USER CODE BEGIN HAL_PCD_SOFCallback_PostTreatment */

    /* USER CODE END HAL_PCD_SOFCallback_PostTreatment */
}

/**
  * @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 */
{
    /* USER CODE BEGIN HAL_PCD_ResetCallback_PreTreatment */

    /* USER CODE END HAL_PCD_ResetCallback_PreTreatment */
    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);
    /* USER CODE BEGIN HAL_PCD_ResetCallback_PostTreatment */

    /* USER CODE END HAL_PCD_ResetCallback_PostTreatment */
}

/**
  * @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 */
{
    /* USER CODE BEGIN HAL_PCD_SuspendCallback_PreTreatment */

    /* USER CODE END HAL_PCD_SuspendCallback_PreTreatment */
    /* 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 */
    /* USER CODE BEGIN HAL_PCD_SuspendCallback_PostTreatment */

    /* USER CODE END HAL_PCD_SuspendCallback_PostTreatment */
}

/**
  * @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 HAL_PCD_ResumeCallback_PreTreatment */

    /* USER CODE END HAL_PCD_ResumeCallback_PreTreatment */

    /* USER CODE BEGIN 3 */
    if(hpcd->Init.low_power_enable) {
        /* Reset SLEEPDEEP bit of Cortex System Control Register. */
        SCB->SCR &= (uint32_t) ~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
        SystemClockConfig_Resume();
    }
    /* USER CODE END 3 */

    USBD_LL_Resume((USBD_HandleTypeDef*)hpcd->pData);
    /* USER CODE BEGIN HAL_PCD_ResumeCallback_PostTreatment */

    /* USER CODE END HAL_PCD_ResumeCallback_PostTreatment */
}

/**
  * @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 */
{
    /* USER CODE BEGIN HAL_PCD_ISOOUTIncompleteCallback_PreTreatment */

    /* USER CODE END HAL_PCD_ISOOUTIncompleteCallback_PreTreatment */
    USBD_LL_IsoOUTIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum);
    /* USER CODE BEGIN HAL_PCD_ISOOUTIncompleteCallback_PostTreatment */

    /* USER CODE END HAL_PCD_ISOOUTIncompleteCallback_PostTreatment */
}

/**
  * @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 */
{
    /* USER CODE BEGIN HAL_PCD_ISOINIncompleteCallback_PreTreatment */

    /* USER CODE END HAL_PCD_ISOINIncompleteCallback_PreTreatment */
    USBD_LL_IsoINIncomplete((USBD_HandleTypeDef*)hpcd->pData, epnum);
    /* USER CODE BEGIN HAL_PCD_ISOINIncompleteCallback_PostTreatment */

    /* USER CODE END HAL_PCD_ISOINIncompleteCallback_PostTreatment */
}

/**
  * @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 */
{
    /* USER CODE BEGIN HAL_PCD_ConnectCallback_PreTreatment */

    /* USER CODE END HAL_PCD_ConnectCallback_PreTreatment */
    USBD_LL_DevConnected((USBD_HandleTypeDef*)hpcd->pData);
    /* USER CODE BEGIN HAL_PCD_ConnectCallback_PostTreatment */

    /* USER CODE END HAL_PCD_ConnectCallback_PostTreatment */
}

/**
  * @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 */
{
    /* USER CODE BEGIN HAL_PCD_DisconnectCallback_PreTreatment */

    /* USER CODE END HAL_PCD_DisconnectCallback_PreTreatment */
    USBD_LL_DevDisconnected((USBD_HandleTypeDef*)hpcd->pData);
    /* USER CODE BEGIN HAL_PCD_DisconnectCallback_PostTreatment */

    /* USER CODE END HAL_PCD_DisconnectCallback_PostTreatment */
}

/* USER CODE BEGIN LowLevelInterface */

/* USER CODE END LowLevelInterface */

/*******************************************************************************
                       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. */
    hpcd_USB_FS.pData = pdev;
    /* Link the driver to the stack. */
    pdev->pData = &hpcd_USB_FS;
    /* Enable USB power on Pwrctrl CR2 register. */
    HAL_PWREx_EnableVddUSB();

    hpcd_USB_FS.Instance = USB;
    hpcd_USB_FS.Init.dev_endpoints = 8;
    hpcd_USB_FS.Init.speed = PCD_SPEED_FULL;
    hpcd_USB_FS.Init.phy_itface = PCD_PHY_EMBEDDED;
    hpcd_USB_FS.Init.Sof_enable = DISABLE;
    hpcd_USB_FS.Init.low_power_enable = DISABLE;
    hpcd_USB_FS.Init.lpm_enable = DISABLE;
    hpcd_USB_FS.Init.battery_charging_enable = DISABLE;

#if(USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
    /* register Msp Callbacks (before the Init) */
    HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_MSPINIT_CB_ID, PCD_MspInit);
    HAL_PCD_RegisterCallback(&hpcd_USB_FS, HAL_PCD_MSPDEINIT_CB_ID, PCD_MspDeInit);
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */

    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);
    /* USER CODE BEGIN RegisterCallBackFirstPart */

    /* USER CODE END RegisterCallBackFirstPart */
    HAL_PCD_RegisterLpmCallback(&hpcd_USB_FS, PCDEx_LPM_Callback);
    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);
    /* USER CODE BEGIN RegisterCallBackSecondPart */

    /* USER CODE END RegisterCallBackSecondPart */
#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, uint32_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,
    uint32_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  Send LPM message to user layer
  * @param  hpcd: PCD handle
  * @param  msg: LPM message
  * @retval None
  */
#if(USE_HAL_PCD_REGISTER_CALLBACKS == 1U)
static void PCDEx_LPM_Callback(PCD_HandleTypeDef* hpcd, PCD_LPM_MsgTypeDef msg)
#else
void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef* hpcd, PCD_LPM_MsgTypeDef msg)
#endif /* USE_HAL_PCD_REGISTER_CALLBACKS */
{
    /* USER CODE BEGIN LPM_Callback */
    switch(msg) {
    case PCD_LPM_L0_ACTIVE:
        if(hpcd->Init.low_power_enable) {
            SystemClockConfig_Resume();

            /* Reset SLEEPDEEP bit of Cortex System Control Register. */
            SCB->SCR &= (uint32_t) ~((uint32_t)(SCB_SCR_SLEEPDEEP_Msk | SCB_SCR_SLEEPONEXIT_Msk));
        }
        USBD_LL_Resume(hpcd->pData);
        break;

    case PCD_LPM_L1_ACTIVE:
        USBD_LL_Suspend(hpcd->pData);

        /* Enter in STOP mode. */
        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));
        }
        break;
    }
    /* USER CODE END LPM_Callback */
}

/**
  * @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) {
}

/* USER CODE BEGIN 5 */
/**
  * @brief  Configures system clock after wake-up from USB resume callBack:
  *         enable HSI, PLL and select PLL as system clock source.
  * @retval None
  */
static void SystemClockConfig_Resume(void) {
    SystemClock_Config();
}
/* USER CODE END 5 */

/**
  * @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****/