| /** |
| ****************************************************************************** |
| * @file stm32f0xx_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 "stm32f0xx_hal.h" |
| |
| #ifdef HAL_PCD_MODULE_ENABLED |
| |
| #if defined(STM32F042x6) || defined(STM32F048xx) || defined(STM32F072xB) || defined(STM32F078xx) || defined(STM32F070xB)|| defined(STM32F070x6) |
| |
| /** @addtogroup STM32F0xx_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 = 1U; |
| /*Configure the PMA*/ |
| ep->pmaaddr0 = pmaadress & 0xFFFFU; |
| ep->pmaaddr1 = (pmaadress & 0xFFFF0000U) >> 16U; |
| } |
| |
| return HAL_OK; |
| } |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* STM32F042x6 || STM32F072xB || STM32F078xx || STM32F070xB || STM32F070x6 */ |
| |
| #endif /* HAL_PCD_MODULE_ENABLED */ |
| |
| /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |