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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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