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250 lines
8.2 KiB
250 lines
8.2 KiB
/** |
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****************************************************************************** |
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* @file stm32f1xx_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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* + Extended features functions: Update FIFO configuration, |
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* PMA configuration for EPs |
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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 "stm32f1xx_hal.h" |
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/** @addtogroup STM32F1xx_HAL_Driver |
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* @{ |
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*/ |
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#ifdef HAL_PCD_MODULE_ENABLED |
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#if defined(STM32F102x6) || defined(STM32F102xB) || \ |
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defined(STM32F103x6) || defined(STM32F103xB) || \ |
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defined(STM32F103xE) || defined(STM32F103xG) || \ |
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defined(STM32F105xC) || defined(STM32F107xC) |
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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 types -------------------------------------------------------------*/ |
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/* Private variables ---------------------------------------------------------*/ |
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/* Private constants ---------------------------------------------------------*/ |
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/* Private macros ------------------------------------------------------------*/ |
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/* Private functions ---------------------------------------------------------*/ |
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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 FIFO (USB_OTG_FS) |
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(+) Update PMA configuration (USB) |
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@endverbatim |
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* @{ |
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*/ |
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#if defined (USB_OTG_FS) |
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/** |
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* @brief Set Tx FIFO |
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* @param hpcd: PCD handle |
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* @param fifo: The number of Tx fifo |
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* @param size: Fifo size |
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* @retval HAL status |
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*/ |
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HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size) |
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{ |
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uint8_t index = 0; |
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uint32_t Tx_Offset = 0U; |
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/* TXn min size = 16 words. (n : Transmit FIFO index) |
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When a TxFIFO is not used, the Configuration should be as follows: |
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case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes) |
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--> Txm can use the space allocated for Txn. |
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case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes) |
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--> Txn should be configured with the minimum space of 16 words |
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The FIFO is used optimally when used TxFIFOs are allocated in the top |
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of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones. |
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When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */ |
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Tx_Offset = hpcd->Instance->GRXFSIZ; |
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if(fifo == 0U) |
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{ |
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hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (size << 16U) | Tx_Offset; |
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} |
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else |
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{ |
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Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16U; |
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for(index = 0; index < (fifo - 1); index++) |
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{ |
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Tx_Offset += (hpcd->Instance->DIEPTXF[index] >> 16U); |
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} |
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/* Multiply Tx_Size by 2 to get higher performance */ |
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hpcd->Instance->DIEPTXF[fifo - 1U] = (size << 16U) | Tx_Offset; |
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} |
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return HAL_OK; |
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} |
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/** |
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* @brief Set Rx FIFO |
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* @param hpcd: PCD handle |
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* @param size: Size of Rx fifo |
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* @retval HAL status |
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*/ |
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HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size) |
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{ |
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hpcd->Instance->GRXFSIZ = size; |
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return HAL_OK; |
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} |
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#endif /* USB_OTG_FS */ |
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#if defined (USB) |
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/** |
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* @brief Configure PMA for EP |
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* @param hpcd : Device instance |
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* @param ep_addr: endpoint address |
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* @param ep_kind: endpoint Kind |
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* USB_SNG_BUF: Single Buffer used |
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* 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 HAL 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 = NULL; |
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/* initialize ep structure*/ |
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if ((ep_addr & 0x80U) == 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 te 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 = 1U; |
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/*Configure the PMA*/ |
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ep->pmaaddr0 = pmaadress & 0x0000FFFFU; |
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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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#endif /* USB */ |
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/** |
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* @} |
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*/ |
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/** @defgroup PCDEx_Exported_Functions_Group2 Peripheral State functions |
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* @brief Manage device connection state |
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* @{ |
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*/ |
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/** |
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* @brief Software Device Connection, |
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* this function is not required by USB OTG FS peripheral, it is used |
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* only by USB Device FS peripheral. |
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* @param hpcd: PCD handle |
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* @param state: connection state (0 : disconnected / 1: connected) |
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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 implemented 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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#endif /* STM32F102x6 || STM32F102xB || */ |
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/* STM32F103x6 || STM32F103xB || */ |
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/* STM32F103xE || STM32F103xG || */ |
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/* STM32F105xC || STM32F107xC */ |
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#endif /* HAL_PCD_MODULE_ENABLED */ |
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/** |
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* @} |
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*/ |
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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