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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pcd_ex.c @ 422:b67327177159 ImprovmentNVM_2
Moved Timeout handling out of 100ms callback:
Handling of the timeout is not timecritical and may be done in the main loop. This was needed because writing of flash data shall be done before going to sleep. Having this function in the timer callback would raise the risk of flash inconsitencies due to parallel calls out of the main loop
=> Created a separate function containing the old timeout detection functionality
author | ideenmodellierer |
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date | Mon, 10 Feb 2020 19:29:12 +0100 |
parents | c78bcbd5deda |
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rev | line source |
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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>© 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****/ |