328 lines
10 KiB
C
328 lines
10 KiB
C
/**
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******************************************************************************
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* @file stm32f3xx_hal_pcd_ex.c
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* @author MCD Application Team
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* @brief Extended PCD HAL module driver.
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* This file provides firmware functions to manage the following
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* functionalities of the USB Peripheral Controller:
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* + Configuration of the PMA for EP
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*
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f3xx_hal.h"
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#ifdef HAL_PCD_MODULE_ENABLED
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#if defined(STM32F302xE) || defined(STM32F303xE) || \
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defined(STM32F302xC) || defined(STM32F303xC) || \
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defined(STM32F302x8) || \
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defined(STM32F373xC)
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/** @addtogroup STM32F3xx_HAL_Driver
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* @{
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*/
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/** @defgroup PCDEx PCDEx
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* @brief PCD Extended HAL module driver
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* @{
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*/
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Exported functions ---------------------------------------------------------*/
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/** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions
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* @{
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*/
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/** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions
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* @brief PCDEx control functions
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*
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@verbatim
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===============================================================================
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##### Extended Peripheral Control functions #####
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===============================================================================
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[..] This section provides functions allowing to:
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(+) Update PMA configuration
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@endverbatim
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* @{
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*/
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/**
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* @brief Configure PMA for EP
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* @param hpcd PCD handle
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* @param ep_addr endpoint address
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* @param ep_kind endpoint Kind
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* @arg USB_SNG_BUF: Single Buffer used
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* @arg USB_DBL_BUF: Double Buffer used
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* @param pmaadress EP address in The PMA: In case of single buffer endpoint
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* this parameter is 16-bit value providing the address
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* in PMA allocated to endpoint.
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* In case of double buffer endpoint this parameter
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* is a 32-bit value providing the endpoint buffer 0 address
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* in the LSB part of 32-bit value and endpoint buffer 1 address
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* in the MSB part of 32-bit value.
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* @retval : status
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*/
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HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd,
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uint16_t ep_addr,
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uint16_t ep_kind,
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uint32_t pmaadress)
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{
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PCD_EPTypeDef *ep;
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/* initialize ep structure*/
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if ((0x80U & ep_addr) == 0x80U)
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{
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ep = &hpcd->IN_ep[ep_addr & 0x7FU];
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}
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else
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{
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ep = &hpcd->OUT_ep[ep_addr];
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}
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/* Here we check if the endpoint is single or double Buffer*/
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if (ep_kind == PCD_SNG_BUF)
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{
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/*Single Buffer*/
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ep->doublebuffer = 0U;
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/*Configure the PMA*/
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ep->pmaadress = (uint16_t)pmaadress;
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}
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else /*USB_DBL_BUF*/
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{
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/*Double Buffer Endpoint*/
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ep->doublebuffer = 1;
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/*Configure the PMA*/
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ep->pmaaddr0 = pmaadress & 0xFFFFU;
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ep->pmaaddr1 = (pmaadress & 0xFFFF0000U) >> 16U;
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}
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return HAL_OK;
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/** @defgroup PCDEx_Private_Functions PCD Extended Private Functions
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* @{
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*/
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#if defined(STM32F303xC) || \
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defined(STM32F303x8) || defined(STM32F334x8) || \
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defined(STM32F301x8) || \
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defined(STM32F373xC) || defined(STM32F378xx) || \
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defined(STM32F302xC)
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/**
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* @brief Copy a buffer from user memory area to packet memory area (PMA)
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* @param USBx: USB peripheral instance register address.
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* @param pbUsrBuf: pointer to user memory area.
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* @param wPMABufAddr: address into PMA.
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* @param wNBytes: no. of bytes to be copied.
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* @retval None
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*/
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void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
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{
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uint32_t n = ((uint32_t)((uint32_t)wNBytes + 1U)) >> 1U;
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uint32_t i, temp1, temp2;
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uint16_t *pdwVal;
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pdwVal = (uint16_t *)((uint32_t)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400U));
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for (i = n; i != 0; i--)
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{
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temp1 = (uint16_t) * pbUsrBuf;
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pbUsrBuf++;
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temp2 = temp1 | ((uint16_t)((uint16_t) * pbUsrBuf << 8U)) ;
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*pdwVal++ = temp2;
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pdwVal++;
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pbUsrBuf++;
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}
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}
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/**
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* @brief Copy a buffer from user memory area to packet memory area (PMA)
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* @param USBx: USB peripheral instance register address.
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* @param pbUsrBuf: pointer to user memory area.
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* @param wPMABufAddr: address into PMA.
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* @param wNBytes: no. of bytes to be copied.
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* @retval None
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*/
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void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
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{
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uint32_t n = (uint32_t)wNBytes >> 1U;
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uint32_t i;
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uint16_t *pdwVal;
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uint32_t temp;
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pdwVal = (uint16_t *)((uint32_t)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400U));
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for (i = n; i != 0U; i--)
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{
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temp = *pdwVal++;
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*pbUsrBuf++ = ((temp >> 0) & 0xFF);
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*pbUsrBuf++ = ((temp >> 8) & 0xFF);
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pdwVal++;
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}
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if (wNBytes % 2)
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{
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temp = *pdwVal++;
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*pbUsrBuf++ = ((temp >> 0) & 0xFF);
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}
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}
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#endif /* STM32F303xC || */
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/* STM32F303x8 || STM32F334x8 || */
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/* STM32F301x8 || */
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/* STM32F373xC || STM32F378xx */
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#if defined(STM32F302xE) || defined(STM32F303xE) || \
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defined(STM32F302x8)
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/**
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* @brief Copy a buffer from user memory area to packet memory area (PMA)
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* @param USBx: USB peripheral instance register address.
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* @param pbUsrBuf: pointer to user memory area.
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* @param wPMABufAddr: address into PMA.
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* @param wNBytes: no. of bytes to be copied.
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* @retval None
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*/
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void PCD_WritePMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
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{
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uint32_t n = ((uint32_t)((uint32_t)wNBytes + 1U)) >> 1U;
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uint32_t i;
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uint16_t temp1, temp2;
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uint16_t *pdwVal;
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pdwVal = (uint16_t *)((uint32_t)(wPMABufAddr + (uint32_t)USBx + 0x400U));
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for (i = n; i != 0U; i--)
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{
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temp1 = (uint16_t) * pbUsrBuf;
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pbUsrBuf++;
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temp2 = temp1 | ((uint16_t)((uint16_t) * pbUsrBuf << 8U)) ;
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*pdwVal++ = temp2;
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pbUsrBuf++;
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}
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}
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/**
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* @brief Copy a buffer from user memory area to packet memory area (PMA)
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* @param USBx: USB peripheral instance register address.
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* @param pbUsrBuf: pointer to user memory area.
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* @param wPMABufAddr: address into PMA.
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* @param wNBytes: no. of bytes to be copied.
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* @retval None
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*/
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void PCD_ReadPMA(USB_TypeDef *USBx, uint8_t *pbUsrBuf, uint16_t wPMABufAddr, uint16_t wNBytes)
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{
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uint32_t n = (uint32_t)wNBytes >> 1U;
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uint32_t i;
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uint16_t *pdwVal;
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uint32_t temp;
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pdwVal = (uint16_t *)((uint32_t)(wPMABufAddr + (uint32_t)USBx + 0x400U));
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for (i = n; i != 0U; i--)
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{
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temp = *pdwVal++;
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*pbUsrBuf++ = ((temp >> 0) & 0xFF);
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*pbUsrBuf++ = ((temp >> 8) & 0xFF);
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}
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if (wNBytes % 2)
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{
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temp = *pdwVal++;
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*pbUsrBuf++ = ((temp >> 0) & 0xFF);
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}
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}
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#endif /* STM32F302xE || STM32F303xE || */
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/* STM32F302xC || */
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/* STM32F302x8 */
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/**
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* @}
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*/
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/** @addtogroup PCDEx_Exported_Functions PCDEx Exported Functions
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* @{
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*/
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/** @addtogroup PCDEx_Exported_Functions_Group2 Extended Initialization and de-initialization functions
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* @{
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*/
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/**
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* @brief Software Device Connection
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* @param hpcd PCD handle
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* @param state Device state
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* @retval None
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*/
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__weak void HAL_PCDEx_SetConnectionState(PCD_HandleTypeDef *hpcd, uint8_t state)
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{
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/* Prevent unused argument(s) compilation warning */
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UNUSED(hpcd);
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UNUSED(state);
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/* NOTE : This function Should not be modified, when the callback is needed,
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the HAL_PCDEx_SetConnectionState could be implenetd in the user file
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*/
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}
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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#endif /* STM32F302xE || STM32F303xE || */
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/* STM32F302xC || STM32F303xC || */
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/* STM32F302x8 || */
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/* STM32F373xC */
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#endif /* HAL_PCD_MODULE_ENABLED */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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