/**
******************************************************************************
* @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
*
* Copyright (c) 2016 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 "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;
}
#if (USE_USB_DOUBLE_BUFFER == 1U)
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);
}
#endif /* (USE_USB_DOUBLE_BUFFER == 1U) */
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 */
/**
* @}
*/
/**
* @}
*/