| /** |
| ****************************************************************************** |
| * @file stm32f3xx_hal_pcd_ex.c |
| * @author MCD Application Team |
| * @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) 2016 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" |
| |
| #ifdef HAL_PCD_MODULE_ENABLED |
| |
| #if defined(STM32F302xE) || defined(STM32F303xE) || \ |
| defined(STM32F302xC) || defined(STM32F303xC) || \ |
| defined(STM32F302x8) || \ |
| defined(STM32F373xC) |
| |
| /** @addtogroup STM32F3xx_HAL_Driver |
| * @{ |
| */ |
| |
| /** @defgroup PCDEx PCDEx |
| * @brief PCD Extended HAL module driver |
| * @{ |
| */ |
| |
| /* Private typedef -----------------------------------------------------------*/ |
| /* Private define ------------------------------------------------------------*/ |
| /* Private macro -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Private function prototypes -----------------------------------------------*/ |
| /* Exported functions ---------------------------------------------------------*/ |
| |
| /** @defgroup PCDEx_Exported_Functions PCDEx Exported Functions |
| * @{ |
| */ |
| |
| /** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions |
| * @brief PCDEx control functions |
| * |
| @verbatim |
| =============================================================================== |
| ##### Extended Peripheral Control functions ##### |
| =============================================================================== |
| [..] This section provides functions allowing to: |
| (+) Update PMA configuration |
| |
| @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 ((0x80U & ep_addr) == 0x80U) |
| { |
| ep = &hpcd->IN_ep[ep_addr & 0x7FU]; |
| } |
| 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 = 1; |
| /*Configure the PMA*/ |
| ep->pmaaddr0 = pmaadress & 0xFFFFU; |
| ep->pmaaddr1 = (pmaadress & 0xFFFF0000U) >> 16U; |
| } |
| |
| return HAL_OK; |
| } |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** @defgroup PCDEx_Private_Functions PCD Extended Private Functions |
| * @{ |
| */ |
| #if defined(STM32F303xC) || \ |
| defined(STM32F303x8) || defined(STM32F334x8) || \ |
| defined(STM32F301x8) || \ |
| defined(STM32F373xC) || defined(STM32F378xx) || \ |
| defined(STM32F302xC) |
| |
| /** |
| * @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 = ((uint32_t)((uint32_t)wNBytes + 1U)) >> 1U; |
| |
| uint32_t i, temp1, temp2; |
| uint16_t *pdwVal; |
| pdwVal = (uint16_t *)((uint32_t)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400U)); |
| |
| for (i = n; i != 0; i--) |
| { |
| temp1 = (uint16_t) * pbUsrBuf; |
| pbUsrBuf++; |
| temp2 = temp1 | ((uint16_t)((uint16_t) * pbUsrBuf << 8U)) ; |
| *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 = (uint32_t)wNBytes >> 1U; |
| uint32_t i; |
| uint16_t *pdwVal; |
| uint32_t temp; |
| pdwVal = (uint16_t *)((uint32_t)(wPMABufAddr * 2 + (uint32_t)USBx + 0x400U)); |
| |
| for (i = n; i != 0U; i--) |
| { |
| temp = *pdwVal++; |
| *pbUsrBuf++ = ((temp >> 0) & 0xFF); |
| *pbUsrBuf++ = ((temp >> 8) & 0xFF); |
| pdwVal++; |
| } |
| |
| if (wNBytes % 2) |
| { |
| temp = *pdwVal++; |
| *pbUsrBuf++ = ((temp >> 0) & 0xFF); |
| } |
| } |
| #endif /* STM32F303xC || */ |
| /* STM32F303x8 || STM32F334x8 || */ |
| /* STM32F301x8 || */ |
| /* STM32F373xC || STM32F378xx */ |
| |
| #if defined(STM32F302xE) || defined(STM32F303xE) || \ |
| 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 = ((uint32_t)((uint32_t)wNBytes + 1U)) >> 1U; |
| uint32_t i; |
| uint16_t temp1, temp2; |
| uint16_t *pdwVal; |
| pdwVal = (uint16_t *)((uint32_t)(wPMABufAddr + (uint32_t)USBx + 0x400U)); |
| for (i = n; i != 0U; i--) |
| { |
| temp1 = (uint16_t) * pbUsrBuf; |
| pbUsrBuf++; |
| temp2 = temp1 | ((uint16_t)((uint16_t) * pbUsrBuf << 8U)) ; |
| *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 = (uint32_t)wNBytes >> 1U; |
| uint32_t i; |
| uint16_t *pdwVal; |
| uint32_t temp; |
| pdwVal = (uint16_t *)((uint32_t)(wPMABufAddr + (uint32_t)USBx + 0x400U)); |
| |
| for (i = n; i != 0U; i--) |
| { |
| temp = *pdwVal++; |
| *pbUsrBuf++ = ((temp >> 0) & 0xFF); |
| *pbUsrBuf++ = ((temp >> 8) & 0xFF); |
| } |
| |
| if (wNBytes % 2) |
| { |
| temp = *pdwVal++; |
| *pbUsrBuf++ = ((temp >> 0) & 0xFF); |
| } |
| } |
| #endif /* STM32F302xE || STM32F303xE || */ |
| /* STM32F302xC || */ |
| /* STM32F302x8 */ |
| |
| /** |
| * @} |
| */ |
| |
| /** @addtogroup PCDEx_Exported_Functions PCDEx Exported Functions |
| * @{ |
| */ |
| |
| /** @addtogroup PCDEx_Exported_Functions_Group2 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) |
| { |
| /* 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 implenetd in the user file |
| */ |
| } |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* STM32F302xE || STM32F303xE || */ |
| /* STM32F302xC || STM32F303xC || */ |
| /* STM32F302x8 || */ |
| /* STM32F373xC */ |
| |
| #endif /* HAL_PCD_MODULE_ENABLED */ |
| |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |