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/**

  ******************************************************************************

  * @file           : usbd_conf.c

  * @version        : v1.0_Cube

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

  ******************************************************************************

  *

  * COPYRIGHT(c) 2016 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 "stm32f1xx.h"

#include "stm32f1xx_hal.h"

#include "usbd_def.h"

#include "usbd_core.h"

#include "usbd_cdc.h"

/* Private typedef -----------------------------------------------------------*/

/* Private define ------------------------------------------------------------*/

/* Private macro -------------------------------------------------------------*/

/* Private variables ---------------------------------------------------------*/

PCD_HandleTypeDef hpcd_USB_FS;

/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/* Private function prototypes -----------------------------------------------*/

/* Private functions ---------------------------------------------------------*/

/* USER CODE BEGIN 1 */

/* USER CODE END 1 */

void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state);

/*******************************************************************************

                       LL Driver Callbacks (PCD -> USB Device Library)

*******************************************************************************/

/* MSP Init */

void HAL_PCD_MspInit(PCD_HandleTypeDef* hpcd)

{

  if(hpcd->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* hpcd)

{

  if(hpcd->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

  */

void HAL_PCD_SetupStageCallback(PCD_HandleTypeDef *hpcd)

{

  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

  */

void HAL_PCD_DataOutStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)

{

  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

  */

void HAL_PCD_DataInStageCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)

{

  USBD_LL_DataInStage((USBD_HandleTypeDef*)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((USBD_HandleTypeDef*)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_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);

}

/**

  * @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((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

  */

void HAL_PCD_ResumeCallback(PCD_HandleTypeDef *hpcd)

{

  /* 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

  */

void HAL_PCD_ISOOUTIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)

{

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

}

/**

  * @brief  ISOINIncomplete callback.

  * @param  hpcd: PCD handle

  * @param  epnum: Endpoint Number

  * @retval None

  */

void HAL_PCD_ISOINIncompleteCallback(PCD_HandleTypeDef *hpcd, uint8_t epnum)

{

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

}

/**

  * @brief  ConnectCallback callback.

  * @param  hpcd: PCD handle

  * @retval None

  */

void HAL_PCD_ConnectCallback(PCD_HandleTypeDef *hpcd)

{

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

}

/**

  * @brief  Disconnect callback.

  * @param  hpcd: PCD handle

  * @retval None

  */

void HAL_PCD_DisconnectCallback(PCD_HandleTypeDef *hpcd)

{

  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.ep0_mps = DEP0CTL_MPS_8;

  hpcd_USB_FS.Init.low_power_enable = DISABLE;

  hpcd_USB_FS.Init.lpm_enable = DISABLE;

  hpcd_USB_FS.Init.battery_charging_enable = DISABLE;

  HAL_PCD_Init(&hpcd_USB_FS);

  HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x00 , PCD_SNG_BUF, 0x18);

  HAL_PCDEx_PMAConfig((PCD_HandleTypeDef*)pdev->pData , 0x80 , PCD_SNG_BUF, 0x58);

  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);  

  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((PCD_HandleTypeDef*)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((PCD_HandleTypeDef*)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((PCD_HandleTypeDef*) 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((PCD_HandleTypeDef*) 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((PCD_HandleTypeDef*) 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((PCD_HandleTypeDef*) 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((PCD_HandleTypeDef*) 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((PCD_HandleTypeDef*) 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 = (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  ep_addr: Endpoint Number

  * @retval USBD Status

  */

USBD_StatusTypeDef  USBD_LL_SetUSBAddress (USBD_HandleTypeDef *pdev, uint8_t dev_addr)  

{

  HAL_PCD_SetAddress((PCD_HandleTypeDef*) 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((PCD_HandleTypeDef*) 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((PCD_HandleTypeDef*) 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((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)

{

  free(p);

}

/**

* @brief Software Device Connection

* @param hpcd: PCD handle

* @param state: connection state (0 : disconnected / 1: connected)

* @retval None

*/

void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)

{

/* USER CODE BEGIN 5 */

  if (state == 1)

  {

    /* Configure Low Connection State */

  }

  else

  {

    /* Configure High Connection State */

  }

/* USER CODE END 5 */

}

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/