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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd_ex.c @ 220:e524a824d8f2 Improve_IPC_Sync

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Added schedule point for functions executed once in a second SPI communication takes place every 100ms triggered by the master (main). Synchronisation is done using the SPI RX complete callback which is called ~4ms after communication was started. In the previous implementation this could happen in parallel to usage of data. To solve this potential problem the execution of functions called once a second was moved from 1000ms to 980ms giving a 20ms window for execution.
author ideenmodellierer
date Sun, 31 Mar 2019 15:49:47 +0200
parents c78bcbd5deda
children
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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 * @brief PCD HAL module driver.
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6 * This file provides firmware functions to manage the following
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7 * functionalities of the USB Peripheral Controller:
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8 * + Extended features functions
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9 *
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10 ******************************************************************************
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11 * @attention
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12 *
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13 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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14 *
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15 * Redistribution and use in source and binary forms, with or without modification,
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16 * are permitted provided that the following conditions are met:
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17 * 1. Redistributions of source code must retain the above copyright notice,
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18 * this list of conditions and the following disclaimer.
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19 * 2. Redistributions in binary form must reproduce the above copyright notice,
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20 * this list of conditions and the following disclaimer in the documentation
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21 * and/or other materials provided with the distribution.
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22 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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23 * may be used to endorse or promote products derived from this software
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24 * without specific prior written permission.
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25 *
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26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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27 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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29 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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32 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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33 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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34 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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36 *
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37 ******************************************************************************
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38 */
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39
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40 /* Includes ------------------------------------------------------------------*/
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41 #include "stm32f4xx_hal.h"
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42
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43 /** @addtogroup STM32F4xx_HAL_Driver
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44 * @{
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45 */
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46
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47 /** @defgroup PCDEx PCDEx
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48 * @brief PCD Extended HAL module driver
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49 * @{
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50 */
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51 #ifdef HAL_PCD_MODULE_ENABLED
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52 #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) || \
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53 defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) || \
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54 defined(STM32F401xC) || defined(STM32F401xE) || defined(STM32F411xE) || defined(STM32F446xx) || \
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55 defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx) || \
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56 defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) || defined(STM32F423xx)
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57 /* Private types -------------------------------------------------------------*/
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58 /* Private variables ---------------------------------------------------------*/
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59 /* Private constants ---------------------------------------------------------*/
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60 /* Private macros ------------------------------------------------------------*/
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61 /* Private functions ---------------------------------------------------------*/
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62 /* Exported functions --------------------------------------------------------*/
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63
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64 /** @defgroup PCDEx_Exported_Functions PCD Extended Exported Functions
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65 * @{
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66 */
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67
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68 /** @defgroup PCDEx_Exported_Functions_Group1 Peripheral Control functions
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69 * @brief PCDEx control functions
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70 *
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71 @verbatim
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72 ===============================================================================
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73 ##### Extended features functions #####
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74 ===============================================================================
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75 [..] This section provides functions allowing to:
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76 (+) Update FIFO configuration
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77
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78 @endverbatim
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79 * @{
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80 */
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81
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82 /**
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83 * @brief Set Tx FIFO
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84 * @param hpcd PCD handle
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85 * @param fifo The number of Tx fifo
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86 * @param size Fifo size
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87 * @retval HAL status
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88 */
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89 HAL_StatusTypeDef HAL_PCDEx_SetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo, uint16_t size)
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90 {
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91 uint8_t i = 0;
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92 uint32_t Tx_Offset = 0U;
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93
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94 /* TXn min size = 16 words. (n : Transmit FIFO index)
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95 When a TxFIFO is not used, the Configuration should be as follows:
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96 case 1 : n > m and Txn is not used (n,m : Transmit FIFO indexes)
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97 --> Txm can use the space allocated for Txn.
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98 case2 : n < m and Txn is not used (n,m : Transmit FIFO indexes)
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99 --> Txn should be configured with the minimum space of 16 words
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100 The FIFO is used optimally when used TxFIFOs are allocated in the top
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101 of the FIFO.Ex: use EP1 and EP2 as IN instead of EP1 and EP3 as IN ones.
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102 When DMA is used 3n * FIFO locations should be reserved for internal DMA registers */
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103
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104 Tx_Offset = hpcd->Instance->GRXFSIZ;
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105
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106 if(fifo == 0)
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107 {
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108 hpcd->Instance->DIEPTXF0_HNPTXFSIZ = (uint32_t)(((uint32_t)size << 16U) | Tx_Offset);
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109 }
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110 else
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111 {
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112 Tx_Offset += (hpcd->Instance->DIEPTXF0_HNPTXFSIZ) >> 16U;
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113 for (i = 0; i < (fifo - 1); i++)
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114 {
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115 Tx_Offset += (hpcd->Instance->DIEPTXF[i] >> 16U);
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116 }
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117
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118 /* Multiply Tx_Size by 2 to get higher performance */
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119 hpcd->Instance->DIEPTXF[fifo - 1] = (uint32_t)(((uint32_t)size << 16U) | Tx_Offset);
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120 }
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121
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122 return HAL_OK;
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123 }
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124
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125 /**
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126 * @brief Set Rx FIFO
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127 * @param hpcd PCD handle
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128 * @param size Size of Rx fifo
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129 * @retval HAL status
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130 */
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131 HAL_StatusTypeDef HAL_PCDEx_SetRxFiFo(PCD_HandleTypeDef *hpcd, uint16_t size)
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132 {
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133 hpcd->Instance->GRXFSIZ = size;
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134
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135 return HAL_OK;
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136 }
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137
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138 #if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx) || defined(STM32F412Zx) || defined(STM32F412Vx) || \
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139 defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) || defined(STM32F423xx)
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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 /* Prevent unused argument(s) compilation warning */
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182 UNUSED(hpcd);
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183 UNUSED(msg);
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184 }
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185 #endif /* STM32F446xx || STM32F469xx || STM32F479xx || STM32F412Zx || STM32F412Rx || STM32F412Vx || STM32F412Cx || STM32F413xx || STM32F423xx */
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186
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187 #if defined(STM32F412Zx) || defined(STM32F412Vx) || defined(STM32F412Rx) || defined(STM32F412Cx) || defined(STM32F413xx) || defined(STM32F423xx)
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188 /**
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189 * @brief HAL_PCDEx_BCD_VBUSDetect : handle BatteryCharging Process
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190 * @param hpcd PCD handle
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191 * @retval HAL status
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192 */
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193 void HAL_PCDEx_BCD_VBUSDetect(PCD_HandleTypeDef *hpcd)
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194 {
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195 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
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196 uint32_t tickstart = HAL_GetTick();
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197
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198 /* Start BCD When device is connected */
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199 if (USBx_DEVICE->DCTL & USB_OTG_DCTL_SDIS)
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200 {
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201 /* Enable DCD : Data Contact Detect */
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202 USBx->GCCFG |= USB_OTG_GCCFG_DCDEN;
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203
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204 /* Wait Detect flag or a timeout is happen*/
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205 while ((USBx->GCCFG & USB_OTG_GCCFG_DCDET) == 0U)
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206 {
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207 /* Check for the Timeout */
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208 if((HAL_GetTick() - tickstart ) > 1000U)
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209 {
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210 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_ERROR);
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211 return;
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212 }
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213 }
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214
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215 /* Right response got */
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216 HAL_Delay(100U);
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217
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218 /* Check Detect flag*/
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219 if (USBx->GCCFG & USB_OTG_GCCFG_DCDET)
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220 {
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221 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CONTACT_DETECTION);
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222 }
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223
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224 /*Primary detection: checks if connected to Standard Downstream Port
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225 (without charging capability) */
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226 USBx->GCCFG &=~ USB_OTG_GCCFG_DCDEN;
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227 USBx->GCCFG |= USB_OTG_GCCFG_PDEN;
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228 HAL_Delay(100U);
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229
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230 if (!(USBx->GCCFG & USB_OTG_GCCFG_PDET))
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231 {
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232 /* Case of Standard Downstream Port */
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233 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_STD_DOWNSTREAM_PORT);
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234 }
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235 else
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236 {
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237 /* start secondary detection to check connection to Charging Downstream
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238 Port or Dedicated Charging Port */
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239 USBx->GCCFG &=~ USB_OTG_GCCFG_PDEN;
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240 USBx->GCCFG |= USB_OTG_GCCFG_SDEN;
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241 HAL_Delay(100U);
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242
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243 if ((USBx->GCCFG) & USB_OTG_GCCFG_SDET)
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244 {
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245 /* case Dedicated Charging Port */
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246 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DEDICATED_CHARGING_PORT);
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247 }
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248 else
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249 {
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250 /* case Charging Downstream Port */
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251 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_CHARGING_DOWNSTREAM_PORT);
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252 }
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253 }
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254 /* Battery Charging capability discovery finished */
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255 HAL_PCDEx_BCD_Callback(hpcd, PCD_BCD_DISCOVERY_COMPLETED);
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256 }
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257 }
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258
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259 /**
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260 * @brief HAL_PCDEx_ActivateBCD : active BatteryCharging feature
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261 * @param hpcd PCD handle
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262 * @retval HAL status
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263 */
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264 HAL_StatusTypeDef HAL_PCDEx_ActivateBCD(PCD_HandleTypeDef *hpcd)
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265 {
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266 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
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267
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268 hpcd->battery_charging_active = ENABLE;
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269 USBx->GCCFG |= (USB_OTG_GCCFG_BCDEN);
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270
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271 return HAL_OK;
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272 }
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273
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274 /**
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275 * @brief HAL_PCDEx_DeActivateBCD : de-active BatteryCharging feature
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276 * @param hpcd PCD handle
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277 * @retval HAL status
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278 */
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279 HAL_StatusTypeDef HAL_PCDEx_DeActivateBCD(PCD_HandleTypeDef *hpcd)
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280 {
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281 USB_OTG_GlobalTypeDef *USBx = hpcd->Instance;
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282 hpcd->battery_charging_active = DISABLE;
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283 USBx->GCCFG &= ~(USB_OTG_GCCFG_BCDEN);
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284 return HAL_OK;
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285 }
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286
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287 /**
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288 * @brief HAL_PCDEx_BatteryCharging_Callback : Send BatteryCharging message to user layer
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289 * @param hpcd PCD handle
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290 * @param msg LPM message
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291 * @retval HAL status
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292 */
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293 __weak void HAL_PCDEx_BCD_Callback(PCD_HandleTypeDef *hpcd, PCD_BCD_MsgTypeDef msg)
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294 {
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295 /* Prevent unused argument(s) compilation warning */
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296 UNUSED(hpcd);
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297 UNUSED(msg);
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298 }
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299
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300 #endif /* STM32F412Zx || STM32F412Rx || STM32F412Vx || STM32F412Cx || STM32F413xx || STM32F423xx */
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301
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302 /**
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303 * @}
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304 */
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305
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306 /**
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307 * @}
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308 */
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309
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310 #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx ||
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311 STM32F401xC || STM32F401xE || STM32F411xE || STM32F446xx || STM32F469xx || STM32F479xx || STM32F412Zx || STM32F412Rx ||
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312 STM32F412Vx || STM32F412Cx || STM32F413xx || STM32F423xx */
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313 #endif /* HAL_PCD_MODULE_ENABLED */
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314 /**
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315 * @}
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316 */
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317
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318 /**
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319 * @}
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320 */
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321
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322 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/