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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dcmi_ex.c @ 704:f1b40364b0af

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Added protocol functions for UART DiveO2 sensor: The code has been modified to support the handling of several protocols (including baud rate changes). The data is requested by polling and passed via DMA into a ringbuffer which is then parsed by a cyclic function call in the main loop. At the moment only the O2 values are forwarded but because the sensor send several types of data within a signle message already more is extracted but yet discarded.
author Ideenmodellierer
date Fri, 28 Oct 2022 20:49:21 +0200
parents c78bcbd5deda
children
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_dcmi_ex.c
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4 * @author MCD Application Team
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5 * @brief DCMI Extension HAL module driver
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6 * This file provides firmware functions to manage the following
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7 * functionalities of DCMI extension peripheral:
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8 * + Extension features functions
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9 *
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10 @verbatim
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11 ==============================================================================
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12 ##### DCMI peripheral extension features #####
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13 ==============================================================================
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14
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15 [..] Comparing to other previous devices, the DCMI interface for STM32F446xx
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16 devices contains the following additional features :
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17
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18 (+) Support of Black and White cameras
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19
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20 ##### How to use this driver #####
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21 ==============================================================================
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22 [..] This driver provides functions to manage the Black and White feature
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23
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24 @endverbatim
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25 ******************************************************************************
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26 * @attention
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27 *
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28 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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29 *
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30 * Redistribution and use in source and binary forms, with or without modification,
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31 * are permitted provided that the following conditions are met:
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32 * 1. Redistributions of source code must retain the above copyright notice,
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33 * this list of conditions and the following disclaimer.
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34 * 2. Redistributions in binary form must reproduce the above copyright notice,
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35 * this list of conditions and the following disclaimer in the documentation
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36 * and/or other materials provided with the distribution.
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37 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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38 * may be used to endorse or promote products derived from this software
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39 * without specific prior written permission.
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40 *
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41 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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42 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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44 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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47 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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48 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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49 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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50 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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51 *
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52 ******************************************************************************
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53 */
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54
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55 /* Includes ------------------------------------------------------------------*/
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56 #include "stm32f4xx_hal.h"
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57
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58 /** @addtogroup STM32F4xx_HAL_Driver
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59 * @{
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60 */
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61 /** @defgroup DCMIEx DCMIEx
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62 * @brief DCMI Extended HAL module driver
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63 * @{
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64 */
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65
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66 #ifdef HAL_DCMI_MODULE_ENABLED
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67
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68 #if defined(STM32F407xx) || defined(STM32F417xx) || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) ||\
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69 defined(STM32F439xx) || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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70 /* Private typedef -----------------------------------------------------------*/
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71 /* Private define ------------------------------------------------------------*/
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72 /* Private macro -------------------------------------------------------------*/
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73 /* Private variables ---------------------------------------------------------*/
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74 /* Private function prototypes -----------------------------------------------*/
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75 /* Exported functions --------------------------------------------------------*/
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76
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77 /** @defgroup DCMIEx_Exported_Functions DCMI Extended Exported Functions
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78 * @{
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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 */
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84
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85 /** @addtogroup DCMI_Exported_Functions_Group1 Initialization and Configuration functions
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86 * @{
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87 */
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88
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89 /**
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90 * @brief Initializes the DCMI according to the specified
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91 * parameters in the DCMI_InitTypeDef and create the associated handle.
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92 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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93 * the configuration information for DCMI.
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94 * @retval HAL status
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95 */
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96 HAL_StatusTypeDef HAL_DCMI_Init(DCMI_HandleTypeDef *hdcmi)
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97 {
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98 /* Check the DCMI peripheral state */
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99 if(hdcmi == NULL)
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100 {
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101 return HAL_ERROR;
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102 }
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103
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104 /* Check function parameters */
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105 assert_param(IS_DCMI_ALL_INSTANCE(hdcmi->Instance));
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106 assert_param(IS_DCMI_PCKPOLARITY(hdcmi->Init.PCKPolarity));
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107 assert_param(IS_DCMI_VSPOLARITY(hdcmi->Init.VSPolarity));
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108 assert_param(IS_DCMI_HSPOLARITY(hdcmi->Init.HSPolarity));
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109 assert_param(IS_DCMI_SYNCHRO(hdcmi->Init.SynchroMode));
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110 assert_param(IS_DCMI_CAPTURE_RATE(hdcmi->Init.CaptureRate));
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111 assert_param(IS_DCMI_EXTENDED_DATA(hdcmi->Init.ExtendedDataMode));
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112 assert_param(IS_DCMI_MODE_JPEG(hdcmi->Init.JPEGMode));
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113 #if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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114 assert_param(IS_DCMI_BYTE_SELECT_MODE(hdcmi->Init.ByteSelectMode));
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115 assert_param(IS_DCMI_BYTE_SELECT_START(hdcmi->Init.ByteSelectStart));
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116 assert_param(IS_DCMI_LINE_SELECT_MODE(hdcmi->Init.LineSelectMode));
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117 assert_param(IS_DCMI_LINE_SELECT_START(hdcmi->Init.LineSelectStart));
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118 #endif /* STM32F446xx || STM32F469xx || STM32F479xx */
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119 if(hdcmi->State == HAL_DCMI_STATE_RESET)
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120 {
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121 /* Init the low level hardware */
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122 HAL_DCMI_MspInit(hdcmi);
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123 }
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124
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125 /* Change the DCMI state */
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126 hdcmi->State = HAL_DCMI_STATE_BUSY;
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127 /* Configures the HS, VS, DE and PC polarity */
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128 hdcmi->Instance->CR &= ~(DCMI_CR_PCKPOL | DCMI_CR_HSPOL | DCMI_CR_VSPOL | DCMI_CR_EDM_0 |\
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129 DCMI_CR_EDM_1 | DCMI_CR_FCRC_0 | DCMI_CR_FCRC_1 | DCMI_CR_JPEG |\
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130 DCMI_CR_ESS
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131 #if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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132 | DCMI_CR_BSM_0 | DCMI_CR_BSM_1 | DCMI_CR_OEBS |\
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133 DCMI_CR_LSM | DCMI_CR_OELS
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134 #endif /* STM32F446xx || STM32F469xx || STM32F479xx */
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135 );
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136 hdcmi->Instance->CR |= (uint32_t)(hdcmi->Init.SynchroMode | hdcmi->Init.CaptureRate |\
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137 hdcmi->Init.VSPolarity | hdcmi->Init.HSPolarity |\
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138 hdcmi->Init.PCKPolarity | hdcmi->Init.ExtendedDataMode |\
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139 hdcmi->Init.JPEGMode
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140 #if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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141 | hdcmi->Init.ByteSelectMode |\
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142 hdcmi->Init.ByteSelectStart | hdcmi->Init.LineSelectMode |\
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143 hdcmi->Init.LineSelectStart
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144 #endif /* STM32F446xx || STM32F469xx || STM32F479xx */
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145 );
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146 if(hdcmi->Init.SynchroMode == DCMI_SYNCHRO_EMBEDDED)
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147 {
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148 hdcmi->Instance->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) |
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149 ((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << DCMI_POSITION_ESCR_LSC)|
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150 ((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << DCMI_POSITION_ESCR_LEC) |
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151 ((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << DCMI_POSITION_ESCR_FEC));
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152
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153 }
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154
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155 /* Enable the Line, Vsync, Error and Overrun interrupts */
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156 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE | DCMI_IT_VSYNC | DCMI_IT_ERR | DCMI_IT_OVR);
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157
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158 /* Update error code */
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159 hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE;
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160
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161 /* Initialize the DCMI state*/
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162 hdcmi->State = HAL_DCMI_STATE_READY;
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163
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164 return HAL_OK;
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165 }
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166
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167 /**
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168 * @}
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169 */
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170 #endif /* STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx ||\
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171 STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */
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172 #endif /* HAL_DCMI_MODULE_ENABLED */
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173 /**
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174 * @}
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175 */
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176
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177 /**
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178 * @}
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179 */
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180
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181 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/