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targets/TARGET_STM/TARGET_STM32F3/device/stm32f3xx_hal_pcd_ex.c
- Committer:
- pravinautosys
- Date:
- 2016-11-19
- Revision:
- 151:acf04f8e7d03
- Parent:
- 149:156823d33999
File content as of revision 151:acf04f8e7d03:
/** ****************************************************************************** * @file stm32f3xx_hal_pcd_ex.c * @author MCD Application Team * @version V1.3.0 * @date 01-July-2016 * @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 ((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 the 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 & 0xFFFF0000U) >> 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) || \ 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 = (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(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 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****/