[303] | 1 | /**
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| 2 | ******************************************************************************
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| 3 | * @file stm32f4xx_hal_pcd_ex.c
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| 4 | * @author MCD Application Team
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| 5 | * @version V1.4.1
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| 6 | * @date 09-October-2015
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| 7 | * @brief PCD HAL module driver.
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| 8 | * This file provides firmware functions to manage the following
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| 9 | * functionalities of the USB Peripheral Controller:
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| 10 | * + Extended features functions
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| 11 | *
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| 12 | ******************************************************************************
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| 13 | * @attention
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| 14 | *
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| 15 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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| 16 | *
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| 17 | * Redistribution and use in source and binary forms, with or without modification,
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| 18 | * are permitted provided that the following conditions are met:
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| 19 | * 1. Redistributions of source code must retain the above copyright notice,
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| 20 | * this list of conditions and the following disclaimer.
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| 21 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 22 | * this list of conditions and the following disclaimer in the documentation
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| 23 | * and/or other materials provided with the distribution.
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| 24 | * 3. Neither the name of STMicroelectronics nor the names of its contributors
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| 25 | * may be used to endorse or promote products derived from this software
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| 26 | * without specific prior written permission.
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| 27 | *
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| 28 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 29 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 30 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 31 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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| 32 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 33 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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| 34 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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| 35 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 36 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 37 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 38 | *
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| 39 | ******************************************************************************
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| 40 | */
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| 41 |
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| 42 | /* Includes ------------------------------------------------------------------*/
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| 43 | #include "stm32f4xx_hal.h"
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| 44 |
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| 45 | /** @addtogroup STM32F4xx_HAL_Driver
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| 46 | * @{
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| 47 | */
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| 48 |
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| 49 | /** @defgroup PCDEx PCDEx
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| 50 | * @brief PCD Extended HAL module driver
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| 51 | * @{
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| 52 | */
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| 53 | #ifdef HAL_PCD_MODULE_ENABLED
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| 54 | #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) || \
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| 55 | defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) || \
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| 56 | defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F411xE) || defined(STM32F446xx) || \
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| 57 | defined(STM32F469xx) || defined(STM32F479xx)
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| 58 | /* Private types -------------------------------------------------------------*/
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| 59 | /* Private variables ---------------------------------------------------------*/
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| 60 | /* Private constants ---------------------------------------------------------*/
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| 61 | /* Private macros ------------------------------------------------------------*/
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| 62 | /* Private functions ---------------------------------------------------------*/
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| 63 | /* Exported functions --------------------------------------------------------*/
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| 64 |
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| 65 | /** @defgroup PCDEx_Exported_Functions PCD Extended Exported Functions
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| 66 | * @{
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| 67 | */
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| 68 |
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| 69 | /** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions
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| 70 | * @brief PCDEx control functions
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| 71 | *
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| 72 | @verbatim
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| 73 | ===============================================================================
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| 74 | ##### Extended features functions #####
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| 75 | ===============================================================================
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| 76 | [..] This section provides functions allowing to:
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| 77 | (+) Update FIFO configuration
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| 78 |
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| 79 | @endverbatim
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| 80 | * @{
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| 81 | */
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| 82 |
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| 83 | /**
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| 84 | * @brief Set Tx FIFO
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| 85 | * @param hpcd: PCD handle
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| 86 | * @param fifo: The number of Tx fifo
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| 87 | * @param size: Fifo size
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| 88 | * @retval HAL status
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| 89 | */
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| 90 | HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size)
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| 91 | {
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| 92 | uint8_t i = 0;
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| 93 | uint32_t Tx_Offset = 0;
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| 94 |
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| 95 | /* TXn min size = 16 words. (n : Transmit FIFO index)
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| 96 | When a TxFIFO is not used, the Configuration should be as follows:
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| 97 | case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes)
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| 98 | --> Txm can use the space allocated for Txn.
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| 99 | case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes)
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| 100 | --> Txn should be configured with the minimum space of 16 words
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| 101 | The FIFO is used optimally when used TxFIFOs are allocated in the top
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| 102 | of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones.
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| 103 | When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */
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| 104 |
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| 105 | Tx_Offset = hpcd->Instance->GRXFSIZ;
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| 106 |
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| 107 | if(fifo == 0)
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| 108 | {
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| 109 | hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (uint32_t)(((uint32_t)size << 16) | Tx_Offset);
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| 110 | }
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| 111 | else
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| 112 | {
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| 113 | Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16;
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| 114 | for (i = 0; i < (fifo - 1); i++)
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| 115 | {
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| 116 | Tx_Offset += (hpcd->Instance->DIEPTXF[i] >> 16);
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| 117 | }
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| 118 |
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| 119 | /* Multiply Tx_Size by 2 to get higher performance */
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| 120 | hpcd->Instance->DIEPTXF[fifo - 1] = (uint32_t)(((uint32_t)size << 16) | Tx_Offset);
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| 121 | }
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| 122 |
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| 123 | return HAL_OK;
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| 124 | }
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| 125 |
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| 126 | /**
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| 127 | * @brief Set Rx FIFO
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| 128 | * @param hpcd: PCD handle
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| 129 | * @param size: Size of Rx fifo
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| 130 | * @retval HAL status
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| 131 | */
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| 132 | HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size)
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| 133 | {
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| 134 | hpcd->Instance->GRXFSIZ = size;
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| 135 |
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| 136 | return HAL_OK;
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| 137 | }
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| 138 |
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| 139 | #if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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| 140 | /**
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| 141 | * @brief Activate LPM feature
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| 142 | * @param hpcd: PCD handle
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| 143 | * @retval HAL status
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| 144 | */
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| 145 | HAL_StatusTypeDef HAL_PCDEx_ActivateLPM(PCD_HandleTypeDef *hpcd)
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| 146 | {
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| 147 | USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
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| 148 |
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| 149 | hpcd->lpm_active = ENABLE;
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| 150 | hpcd->LPM_State = LPM_L0;
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| 151 | USBx->GINTMSK |= USB_OTG_GINTMSK_LPMINTM;
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| 152 | USBx->GLPMCFG |= (USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
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| 153 |
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| 154 | return HAL_OK;
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| 155 | }
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| 156 |
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| 157 | /**
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| 158 | * @brief Deactivate LPM feature.
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| 159 | * @param hpcd: PCD handle
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| 160 | * @retval HAL status
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| 161 | */
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| 162 | HAL_StatusTypeDef HAL_PCDEx_DeActivateLPM(PCD_HandleTypeDef *hpcd)
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| 163 | {
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| 164 | USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
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| 165 |
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| 166 | hpcd->lpm_active = DISABLE;
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| 167 | USBx->GINTMSK &= ~USB_OTG_GINTMSK_LPMINTM;
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| 168 | USBx->GLPMCFG &= ~(USB_OTG_GLPMCFG_LPMEN | USB_OTG_GLPMCFG_LPMACK | USB_OTG_GLPMCFG_ENBESL);
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| 169 |
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| 170 | return HAL_OK;
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| 171 | }
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| 172 |
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| 173 | /**
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| 174 | * @brief Send LPM message to user layer callback.
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| 175 | * @param hpcd: PCD handle
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| 176 | * @param msg: LPM message
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| 177 | * @retval HAL status
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| 178 | */
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| 179 | __weak void HAL_PCDEx_LPM_Callback(PCD_HandleTypeDef *hpcd, PCD_LPM_MsgTypeDef msg)
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| 180 | {
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| 181 | }
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| 182 | #endif /* STM32F446xx || STM32F469xx || STM32F479xx */
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| 183 |
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| 184 | /**
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| 185 | * @}
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| 186 | */
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| 187 |
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| 188 | /**
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| 189 | * @}
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| 190 | */
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| 191 |
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| 192 | #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx ||
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| 193 | STM32F401xC || STM32F401xE || STM32F411xE || STM32F446xx || STM32F469xx || STM32F479xx */
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| 194 | #endif /* HAL_PCD_MODULE_ENABLED */
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| 195 | /**
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| 196 | * @}
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| 197 | */
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| 198 |
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| 199 | /**
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| 200 | * @}
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| 201 | */
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| 202 |
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| 203 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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