/**
  ******************************************************************************
  * @file    stm32l1xx_hal_pcd_ex.c
  * @author  MCD Application Team
  * @brief   PCD Extended HAL module driver.
  *          This file provides firmware functions to manage the following
  *          functionalities of the USB Peripheral Controller:
  *           + Extended features functions
  *
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; Copyright (c) 2016 STMicroelectronics.
  * All rights reserved.</center></h2>
  *
  * This software component is licensed by ST under BSD 3-Clause license,
  * the "License"; You may not use this file except in compliance with the
  * License. You may obtain a copy of the License at:
  *                        opensource.org/licenses/BSD-3-Clause
  *
  ******************************************************************************
  */

/* Includes ------------------------------------------------------------------*/
#include "stm32l1xx_hal.h"

/** @addtogroup STM32L1xx_HAL_Driver
  * @{
  */

/** @defgroup PCDEx PCDEx
  * @brief PCD Extended HAL module driver
  * @{
  */

#ifdef HAL_PCD_MODULE_ENABLED

#if defined (USB)
/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/

/** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions
  * @{
  */

/** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions
  * @brief    PCDEx control functions
 *
@verbatim
 ===============================================================================
                 ##### Extended features functions #####
 ===============================================================================
    [..]  This section provides functions allowing to:
      (+) Update FIFO configuration

@endverbatim
  * @{
  */

/**
  * @brief  Configure PMA for EP
  * @param  hpcd  Device instance
  * @param  ep_addr endpoint address
  * @param  ep_kind endpoint Kind
  *                  USB_SNG_BUF: Single Buffer used
  *                  USB_DBL_BUF: Double Buffer used
  * @param  pmaadress: EP address in The PMA: In case of single buffer endpoint
  *                   this parameter is 16-bit value providing the address
  *                   in PMA allocated to endpoint.
  *                   In case of double buffer endpoint this parameter
  *                   is a 32-bit value providing the endpoint buffer 0 address
  *                   in the LSB part of 32-bit value and endpoint buffer 1 address
  *                   in the MSB part of 32-bit value.
  * @retval HAL status
  */

HAL_StatusTypeDef  HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd,
                                       uint16_t ep_addr,
                                       uint16_t ep_kind,
                                       uint32_t pmaadress)
{
  PCD_EPTypeDef *ep;

  /* initialize ep structure*/
  if ((0x80U & ep_addr) == 0x80U)
  {
    ep = &hpcd->IN_ep[ep_addr & EP_ADDR_MSK];
  }
  else
  {
    ep = &hpcd->OUT_ep[ep_addr];
  }

  /* Here we check if the endpoint is single or double Buffer*/
  if (ep_kind == PCD_SNG_BUF)
  {
    /* Single Buffer */
    ep->doublebuffer = 0U;
    /* Configure the PMA */
    ep->pmaadress = (uint16_t)pmaadress;
  }
  else /* USB_DBL_BUF */
  {
    /* Double Buffer Endpoint */
    ep->doublebuffer = 1U;
    /* Configure the PMA */
    ep->pmaaddr0 = (uint16_t)(pmaadress & 0xFFFFU);
    ep->pmaaddr1 = (uint16_t)((pmaadress & 0xFFFF0000U) >> 16);
  }

  return HAL_OK;
}

/**
  * @brief  Software Device Connection,
  *         this function is not required by USB OTG FS peripheral, it is used
  *         only by USB Device FS peripheral.
  * @param  hpcd: PCD handle
  * @param  state: connection state (0 : disconnected / 1: connected)
  * @retval None
  */
__weak void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hpcd);
  UNUSED(state);
  /* NOTE : This function Should not be modified, when the callback is needed,
            the HAL_PCDEx_SetConnectionState could be implemented in the user file
   */
}


/**
  * @brief  Send LPM message to user layer callback.
  * @param  hpcd PCD handle
  * @param  msg LPM message
  * @retval HAL status
  */
__weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hpcd);
  UNUSED(msg);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_PCDEx_LPM_Callback could be implemented in the user file
   */
}

/**
  * @brief  Send BatteryCharging message to user layer callback.
  * @param  hpcd PCD handle
  * @param  msg LPM message
  * @retval HAL status
  */
__weak void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg)
{
  /* Prevent unused argument(s) compilation warning */
  UNUSED(hpcd);
  UNUSED(msg);

  /* NOTE : This function should not be modified, when the callback is needed,
            the HAL_PCDEx_BCD_Callback could be implemented in the user file
   */
}

/**
  * @}
  */

/**
  * @}
  */
#endif /* defined (USB) */
#endif /* HAL_PCD_MODULE_ENABLED */

/**
  * @}
  */

/**
  * @}
  */

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