/**
  ******************************************************************************
  * @file    usbd_conf_template.c
  * @author  MCD Application Team
  * @brief   USB Device configuration and interface file
  *          This template should be copied to the user folder,
  *          renamed and customized following user needs.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2015 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "usbd_core.h"
#include "usbd_cdc.h" /* Include class header file */
//#include "usbd_hid.h" /* Include class header file */
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
extern PCD_HandleTypeDef hpcd_USB_FS;
/* Private function prototypes -----------------------------------------------*/
static USBD_StatusTypeDef USBD_Get_USB_Status(HAL_StatusTypeDef hal_status);
/* Private functions ---------------------------------------------------------*/
void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)
{
  USBD_LL_SetupStage((USBD_HandleTypeDef*)hpcd->pData, (uint8_t *)hpcd->Setup);
}

void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
  USBD_LL_DataOutStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->OUT_ep[epnum].xfer_buff);
}

void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)
{
  USBD_LL_DataInStage((USBD_HandleTypeDef*)hpcd->pData, epnum, hpcd->IN_ep[epnum].xfer_buff);
}

void HAL_PCD_SOFCallback(PCD_HandleTypeDef *hpcd)
{
  USBD_LL_SOF((USBD_HandleTypeDef*)hpcd->pData);
}

void HAL_PCD_ResetCallback(PCD_HandleTypeDef *hpcd)
{
  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);
}

void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)
{
  USBD_LL_DevConnected((USBD_HandleTypeDef*)hpcd->pData);
}

void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)
{
  USBD_LL_DevDisconnected((USBD_HandleTypeDef*)hpcd->pData);
}
/* Private functions ---------------------------------------------------------*/


USBD_StatusTypeDef USBD_LL_Init(USBD_HandleTypeDef *pdev)
{
      pdev->pData  = &hpcd_USB_FS;
      HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x00 , PCD_SNG_BUF, 0x40);
      HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x80 , PCD_SNG_BUF, 0x80);
      HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , CDC_IN_EP , PCD_SNG_BUF, 0xC0);
      HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , CDC_OUT_EP , PCD_SNG_BUF, 0x100);
      HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , CDC_CMD_EP , PCD_SNG_BUF, 0x140);
      return USBD_OK;
}

USBD_StatusTypeDef USBD_LL_DeInit(USBD_HandleTypeDef *pdev)
{
      HAL_StatusTypeDef hal_status;
      hal_status = HAL_PCD_DeInit(pdev->pData);
      return USBD_Get_USB_Status(hal_status);
}

USBD_StatusTypeDef USBD_LL_Start(USBD_HandleTypeDef *pdev)
{
      HAL_StatusTypeDef hal_status;
      hal_status = HAL_PCD_Start(pdev->pData);
      return  USBD_Get_USB_Status(hal_status);
}

USBD_StatusTypeDef USBD_LL_Stop(USBD_HandleTypeDef *pdev)
{
      HAL_StatusTypeDef hal_status;
      hal_status = HAL_PCD_Stop(pdev->pData);
      return USBD_Get_USB_Status(hal_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_status = HAL_PCD_EP_Open(pdev->pData, ep_addr, ep_mps, ep_type);
      return USBD_Get_USB_Status(hal_status);
}

USBD_StatusTypeDef USBD_LL_CloseEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
      HAL_StatusTypeDef hal_status;
      hal_status = HAL_PCD_EP_Close(pdev->pData, ep_addr);
      return USBD_Get_USB_Status(hal_status);
}

USBD_StatusTypeDef USBD_LL_FlushEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
      HAL_StatusTypeDef hal_status;
      hal_status = HAL_PCD_EP_Flush(pdev->pData, ep_addr);
      return USBD_Get_USB_Status(hal_status);
}

USBD_StatusTypeDef USBD_LL_StallEP(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
      HAL_StatusTypeDef hal_status;
      hal_status = HAL_PCD_EP_SetStall(pdev->pData, ep_addr);
      return USBD_Get_USB_Status(hal_status);
}

USBD_StatusTypeDef USBD_LL_ClearStallEP(USBD_HandleTypeDef *pdev,
             uint8_t ep_addr)
{
      HAL_StatusTypeDef hal_status;
      hal_status = HAL_PCD_EP_ClrStall(pdev->pData, ep_addr);
      return USBD_Get_USB_Status(hal_status);
}

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;
      }
}

USBD_StatusTypeDef USBD_LL_SetUSBAddress(USBD_HandleTypeDef *pdev,
             uint8_t dev_addr)
{
      HAL_StatusTypeDef hal_status;
      hal_status = HAL_PCD_SetAddress(pdev->pData, dev_addr);
      return USBD_Get_USB_Status(hal_status);
}

USBD_StatusTypeDef USBD_LL_Transmit(USBD_HandleTypeDef *pdev, uint8_t ep_addr,
             uint8_t *pbuf, uint32_t size)
{
      HAL_StatusTypeDef hal_status;
      hal_status = HAL_PCD_EP_Transmit(pdev->pData, ep_addr, pbuf, size);
      return USBD_Get_USB_Status(hal_status);
}

USBD_StatusTypeDef USBD_LL_PrepareReceive(USBD_HandleTypeDef *pdev,
             uint8_t ep_addr, uint8_t *pbuf,
             uint32_t size)
{
      HAL_StatusTypeDef hal_status;
      hal_status = HAL_PCD_EP_Receive(pdev->pData, ep_addr, pbuf, size);
      return USBD_Get_USB_Status(hal_status);
}

uint32_t USBD_LL_GetRxDataSize(USBD_HandleTypeDef *pdev, uint8_t ep_addr)
{
      return HAL_PCD_EP_GetRxCount((PCD_HandleTypeDef*) pdev->pData, ep_addr);
}

void *USBD_static_malloc(uint32_t size)
{
      UNUSED(size);
      static uint32_t mem[(sizeof(USBD_CDC_HandleTypeDef) / 4) + 1]; /* On 32-bit boundary */
      return mem;
}

void USBD_static_free(void *p)
{
      UNUSED(p);
}

void USBD_LL_Delay(uint32_t Delay)
{
      HAL_Delay(Delay);
}

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;
}