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/**
******************************************************************************
* @file stm32f3xx_hal_pcd_ex.c
* @author MCD Application Team
* @version V1.1.0
* @date 12-Sept-2014
* @brief Extended PCD HAL module driver.
* This file provides firmware functions to manage the following
* functionalities of the USB Peripheral Controller:
* + Configuration of the PMA for EP
*
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
*
* 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 "stm32f3xx_hal.h"
/** @addtogroup STM32F3xx_HAL_Driver
* @{
*/
/** @defgroup PCDEx PCD Extended HAL module driver
* @brief PCDEx PCDEx Extended HAL module driver
* @{
*/
#ifdef HAL_PCD_MODULE_ENABLED
#if defined(STM32F302xE) || defined(STM32F303xE) || \
defined(STM32F302xC) || defined(STM32F303xC) || \
defined(STM32F302x8) || \
defined(STM32F373xC)
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions ---------------------------------------------------------*/
/** @defgroup PCDEx_Exported_Functions PCD Extended Exported Functions
* @{
*/
/** @defgroup PCDEx_Exported_Functions_Group1 Extended Initialization and de-initialization functions
* @brief Initialization and Configuration functions
*
@verbatim
===============================================================================
##### Peripheral extended features methods #####
===============================================================================
@endverbatim
* @{
*/
/**
* @brief Configure PMA for EP
* @param hpcd: PCD handle
* @param ep_addr: endpoint address
* @param ep_kind: endpoint Kind
* @arg USB_SNG_BUF: Single Buffer used
* @arg 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 : 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 ((0x80 & ep_addr) == 0x80)
{
ep = &hpcd->IN_ep[ep_addr & 0x7F];
}
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 = 0;
/*Configure te PMA*/
ep->pmaadress = (uint16_t)pmaadress;
}
else /*USB_DBL_BUF*/
{
/*Double Buffer Endpoint*/
ep->doublebuffer = 1;
/*Configure the PMA*/
ep->pmaaddr0 = pmaadress & 0xFFFF;
ep->pmaaddr1 = (pmaadress & 0xFFFF0000) >> 16;
}
return HAL_OK;
}
/**
* @}
*/
/**
* @}
*/
/** @defgroup PCDEx_Private_Functions PCD Extended Private Functions
* @{
*/
#if defined(STM32F303xC) || \
defined(STM32F303x8) || defined(STM32F334x8) || \
defined(STM32F301x8) || \
defined(STM32F373xC) || defined(STM32F378xx)
/**
* @brief Copy a buffer from user memory area to packet memory area (PMA)
* @param USBx: USB peripheral instance register address.
* @param pbUsrBuf: pointer to user memory area.
* @param wPMABufAddr: address into PMA.
* @param wNBytes: no. of bytes to be copied.
* @retval None
*/
void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
{
uint32_t n = (wNBytes + 1) >> 1; /* n = (wNBytes + 1) / 2 */
uint32_t i, temp1, temp2;
uint16_t *pdwVal;
pdwVal = (uint16_t *)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400);
for (i = n; i != 0; i--)
{
temp1 = (uint16_t) * pbUsrBuf;
pbUsrBuf++;
temp2 = temp1 | (uint16_t) * pbUsrBuf << 8;
*pdwVal++ = temp2;
pdwVal++;
pbUsrBuf++;
}
}
/**
* @brief Copy a buffer from user memory area to packet memory area (PMA)
* @param USBx: USB peripheral instance register address.
* @param pbUsrBuf: pointer to user memory area.
* @param wPMABufAddr: address into PMA.
* @param wNBytes: no. of bytes to be copied.
* @retval None
*/
void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
{
uint32_t n = (wNBytes + 1) >> 1;/* /2*/
uint32_t i;
uint32_t *pdwVal;
pdwVal = (uint32_t *)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400);
for (i = n; i != 0; i--)
{
*(uint16_t*)pbUsrBuf++ = *pdwVal++;
pbUsrBuf++;
}
}
#endif /* STM32F303xC || */
/* STM32F303x8 || STM32F334x8 || */
/* STM32F301x8 || */
/* STM32F373xC || STM32F378xx */
#if defined(STM32F302xE) || defined(STM32F303xE) || \
defined(STM32F302xC) || \
defined(STM32F302x8)
/**
* @brief Copy a buffer from user memory area to packet memory area (PMA)
* @param USBx: USB peripheral instance register address.
* @param pbUsrBuf: pointer to user memory area.
* @param wPMABufAddr: address into PMA.
* @param wNBytes: no. of bytes to be copied.
* @retval None
*/
void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
{
uint32_t n = (wNBytes + 1) >> 1;
uint32_t i;
uint16_t temp1, temp2;
uint16_t *pdwVal;
pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
for (i = n; i != 0; i--)
{
temp1 = (uint16_t) * pbUsrBuf;
pbUsrBuf++;
temp2 = temp1 | (uint16_t) * pbUsrBuf << 8;
*pdwVal++ = temp2;
pbUsrBuf++;
}
}
/**
* @brief Copy a buffer from user memory area to packet memory area (PMA)
* @param USBx: USB peripheral instance register address.
* @param pbUsrBuf: pointer to user memory area.
* @param wPMABufAddr: address into PMA.
* @param wNBytes: no. of bytes to be copied.
* @retval None
*/
void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
{
uint32_t n = (wNBytes + 1) >> 1;
uint32_t i;
uint16_t *pdwVal;
pdwVal = (uint16_t *)(wPMABufAddr + (uint32_t)USBx + 0x400);
for (i = n; i != 0; i--)
{
*(uint16_t*)pbUsrBuf++ = *pdwVal++;
pbUsrBuf++;
}
}
#endif /* STM32F302xE || STM32F303xE || */
/* STM32F302xC || */
/* STM32F302x8 */
/**
* @}
*/
/** @addtogroup PCDEx_Exported_Functions PCD Extended Exported Functions
* @{
*/
/** @addtogroup PCDEx_Exported_Functions_Group1 Extended Initialization and de-initialization functions
* @{
*/
/**
* @brief Software Device Connection
* @param hpcd: PCD handle
* @param state: Device state
* @retval None
*/
__weak void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
{
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_PCDEx_SetConnectionState could be implenetd in the user file
*/
}
/**
* @}
*/
/**
* @}
*/
#endif /* STM32F302xE || STM32F303xE || */
/* STM32F302xC || STM32F303xC || */
/* STM32F302x8 || */
/* STM32F373xC */
#endif /* HAL_PCD_MODULE_ENABLED */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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