/** ****************************************************************************** * @file stm32f1xx_hal_pcd_ex.c * @author MCD Application Team * @version V1.0.4 * @date 29-April-2016 * @brief Extended PCD HAL module driver. * This file provides firmware functions to manage the following * functionalities of the USB Peripheral Controller: * + Extended features functions: Update FIFO configuration, * PMA configuration for EPs * ****************************************************************************** * @attention * *

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* * 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 "stm32f1xx_hal.h" /** @addtogroup STM32F1xx_HAL_Driver * @{ */ #ifdef HAL_PCD_MODULE_ENABLED #if defined(STM32F102x6) || defined(STM32F102xB) || \ defined(STM32F103x6) || defined(STM32F103xB) || \ defined(STM32F103xE) || defined(STM32F103xG) || \ defined(STM32F105xC) || defined(STM32F107xC) /** @defgroup PCDEx PCDEx * @brief PCD Extended HAL module driver * @{ */ /* Private types -------------------------------------------------------------*/ /* Private variables ---------------------------------------------------------*/ /* Private constants ---------------------------------------------------------*/ /* Private macros ------------------------------------------------------------*/ /* Private functions ---------------------------------------------------------*/ /* 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 FIFO (USB_OTG_FS) (+) Update PMA configuration (USB) @endverbatim * @{ */ #if defined (USB_OTG_FS) /** * @brief Set Tx FIFO * @param hpcd: PCD handle * @param fifo: The number of Tx fifo * @param size: Fifo size * @retval HAL status */ HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size) { uint8_t index = 0; uint32_t Tx_Offset = 0; /* TXn min size = 16 words. (n : Transmit FIFO index) When a TxFIFO is not used, the Configuration should be as follows: case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes) --> Txm can use the space allocated for Txn. case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes) --> Txn should be configured with the minimum space of 16 words The FIFO is used optimally when used TxFIFOs are allocated in the top of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones. When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */ Tx_Offset = hpcd->Instance->GRXFSIZ; if(fifo == 0) { hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (size << 16) | Tx_Offset; } else { Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16; for (index = 0; index < (fifo - 1); index++) { Tx_Offset += (hpcd->Instance->DIEPTXF[index] >> 16); } /* Multiply Tx_Size by 2 to get higher performance */ hpcd->Instance->DIEPTXF[fifo - 1] = (size << 16) | Tx_Offset; } return HAL_OK; } /** * @brief Set Rx FIFO * @param hpcd: PCD handle * @param size: Size of Rx fifo * @retval HAL status */ HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size) { hpcd->Instance->GRXFSIZ = size; return HAL_OK; } #endif /* USB_OTG_FS */ #if defined (USB) /** * @brief Configure PMA for EP * @param hpcd : Device instance * @param ep_addr: endpoint address * @param ep_kind: endpoint Kind * USB_SNG_BUF: Single Buffer used * 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 HAL status */ HAL_StatusTypeDef HAL_PCDEx_PMAConfig(PCD_HandleTypeDef *hpcd, uint16_t ep_addr, uint16_t ep_kind, uint32_t pmaadress) { PCD_EPTypeDef *ep = NULL; /* 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; } #endif /* USB */ /** * @} */ /** @defgroup PCDEx_Exported_Functions_Group2 Peripheral State functions * @brief Manage device connection state * @{ */ /** * @brief Software Device Connection, * this function is not required by USB OTG FS peripheral, it is used * only by USB Device FS peripheral. * @param hpcd: PCD handle * @param state: connection state (0 : disconnected / 1: connected) * @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 implemented in the user file */ } /** * @} */ /** * @} */ /** * @} */ #endif /* STM32F102x6 || STM32F102xB || */ /* STM32F103x6 || STM32F103xB || */ /* STM32F103xE || STM32F103xG || */ /* STM32F105xC || STM32F107xC */ #endif /* HAL_PCD_MODULE_ENABLED */ /** * @} */ /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/