annotate Common/Drivers/STM32F4xx_HAL_DRIVER_v120/Src/stm32f4xx_hal_dcmi.c @ 116:b848056057ce FlipDisplay

Added small helper for runtime evaluation Moved initialisation of settings before GFX init to have parameters available during init phase
author Ideenmodellierer
date Sun, 06 Jan 2019 22:27:46 +0100
parents 5f11787b4f42
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1 /**
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2 ******************************************************************************
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3 * @file stm32f4xx_hal_dcmi.c
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4 * @author MCD Application Team
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5 * @version V1.2.0
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6 * @date 26-December-2014
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7 * @brief DCMI 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 Digital Camera Interface (DCMI) peripheral:
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10 * + Initialization and de-initialization functions
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11 * + IO operation functions
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12 * + Peripheral Control functions
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13 * + Peripheral State and Error functions
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14 *
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15 @verbatim
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16 ==============================================================================
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17 ##### How to use this driver #####
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18 ==============================================================================
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19 [..]
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20 The sequence below describes how to use this driver to capture image
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21 from a camera module connected to the DCMI Interface.
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22 This sequence does not take into account the configuration of the
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23 camera module, which should be made before to configure and enable
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24 the DCMI to capture images.
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25
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26 (#) Program the required configuration through following parameters:
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27 horizontal and vertical polarity, pixel clock polarity, Capture Rate,
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28 Synchronization Mode, code of the frame delimiter and data width
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29 using HAL_DCMI_Init() function.
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30
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31 (#) Configure the DMA2_Stream1 channel1 to transfer Data from DCMI DR
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32 register to the destination memory buffer.
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33
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34 (#) Program the required configuration through following parameters:
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35 DCMI mode, destination memory Buffer address and the data length
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36 and enable capture using HAL_DCMI_Start_DMA() function.
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37
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38 (#) Optionally, configure and Enable the CROP feature to select a rectangular
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39 window from the received image using HAL_DCMI_ConfigCrop()
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40 and HAL_DCMI_EnableCROP() functions
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41
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42 (#) The capture can be stopped using HAL_DCMI_Stop() function.
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43
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44 (#) To control DCMI state you can use the function HAL_DCMI_GetState().
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45
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46 *** DCMI HAL driver macros list ***
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47 =============================================
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48 [..]
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49 Below the list of most used macros in DCMI HAL driver.
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50
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51 (+) __HAL_DCMI_ENABLE: Enable the DCMI peripheral.
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52 (+) __HAL_DCMI_DISABLE: Disable the DCMI peripheral.
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53 (+) __HAL_DCMI_GET_FLAG: Get the DCMI pending flags.
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54 (+) __HAL_DCMI_CLEAR_FLAG: Clear the DCMI pending flags.
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55 (+) __HAL_DCMI_ENABLE_IT: Enable the specified DCMI interrupts.
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56 (+) __HAL_DCMI_DISABLE_IT: Disable the specified DCMI interrupts.
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57 (+) __HAL_DCMI_GET_IT_SOURCE: Check whether the specified DCMI interrupt has occurred or not.
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58
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59 [..]
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60 (@) You can refer to the DCMI HAL driver header file for more useful macros
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61
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62 @endverbatim
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63 ******************************************************************************
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64 * @attention
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65 *
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66 * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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67 *
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68 * Redistribution and use in source and binary forms, with or without modification,
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69 * are permitted provided that the following conditions are met:
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70 * 1. Redistributions of source code must retain the above copyright notice,
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71 * this list of conditions and the following disclaimer.
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72 * 2. Redistributions in binary form must reproduce the above copyright notice,
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73 * this list of conditions and the following disclaimer in the documentation
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74 * and/or other materials provided with the distribution.
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75 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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76 * may be used to endorse or promote products derived from this software
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77 * without specific prior written permission.
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78 *
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79 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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80 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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81 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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82 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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83 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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84 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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85 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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86 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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87 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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88 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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89 *
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90 ******************************************************************************
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91 */
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92
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93 /* Includes ------------------------------------------------------------------*/
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94 #include "stm32f4xx_hal.h"
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95
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96 /** @addtogroup STM32F4xx_HAL_Driver
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97 * @{
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98 */
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99 /** @defgroup DCMI DCMI
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100 * @brief DCMI HAL module driver
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101 * @{
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102 */
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103
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104 #ifdef HAL_DCMI_MODULE_ENABLED
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105
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106 #if defined(STM32F407xx) || defined(STM32F417xx) || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx)
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107 /* Private typedef -----------------------------------------------------------*/
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108 /* Private define ------------------------------------------------------------*/
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109 #define HAL_TIMEOUT_DCMI_STOP ((uint32_t)1000) /* 1s */
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110 /* Private macro -------------------------------------------------------------*/
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111 /* Private variables ---------------------------------------------------------*/
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112 /* Private function prototypes -----------------------------------------------*/
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113 static void DCMI_DMAConvCplt(DMA_HandleTypeDef *hdma);
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114 static void DCMI_DMAError(DMA_HandleTypeDef *hdma);
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115
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116 /* Exported functions --------------------------------------------------------*/
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117
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118 /** @defgroup DCMI_Exported_Functions DCMI Exported Functions
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119 * @{
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120 */
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121
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122 /** @defgroup DCMI_Exported_Functions_Group1 Initialization and Configuration functions
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123 * @brief Initialization and Configuration functions
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124 *
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125 @verbatim
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126 ===============================================================================
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127 ##### Initialization and Configuration functions #####
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128 ===============================================================================
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129 [..] This section provides functions allowing to:
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130 (+) Initialize and configure the DCMI
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131 (+) De-initialize the DCMI
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132
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133 @endverbatim
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134 * @{
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135 */
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136
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137 /**
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138 * @brief Initializes the DCMI according to the specified
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139 * parameters in the DCMI_InitTypeDef and create the associated handle.
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140 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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141 * the configuration information for DCMI.
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142 * @retval HAL status
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143 */
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144 HAL_StatusTypeDef HAL_DCMI_Init(DCMI_HandleTypeDef *hdcmi)
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145 {
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146 /* Check the DCMI peripheral state */
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147 if(hdcmi == NULL)
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148 {
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149 return HAL_ERROR;
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150 }
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151
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152 /* Check function parameters */
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153 assert_param(IS_DCMI_ALL_INSTANCE(hdcmi->Instance));
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154 assert_param(IS_DCMI_PCKPOLARITY(hdcmi->Init.PCKPolarity));
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155 assert_param(IS_DCMI_VSPOLARITY(hdcmi->Init.VSPolarity));
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156 assert_param(IS_DCMI_HSPOLARITY(hdcmi->Init.HSPolarity));
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157 assert_param(IS_DCMI_SYNCHRO(hdcmi->Init.SynchroMode));
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158 assert_param(IS_DCMI_CAPTURE_RATE(hdcmi->Init.CaptureRate));
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159 assert_param(IS_DCMI_EXTENDED_DATA(hdcmi->Init.ExtendedDataMode));
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160 assert_param(IS_DCMI_MODE_JPEG(hdcmi->Init.JPEGMode));
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161
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162 if(hdcmi->State == HAL_DCMI_STATE_RESET)
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163 {
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164 /* Init the low level hardware */
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165 HAL_DCMI_MspInit(hdcmi);
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166 }
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167
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168 /* Change the DCMI state */
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169 hdcmi->State = HAL_DCMI_STATE_BUSY;
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170 /* Configures the HS, VS, DE and PC polarity */
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171 hdcmi->Instance->CR &= ~(DCMI_CR_PCKPOL | DCMI_CR_HSPOL | DCMI_CR_VSPOL | DCMI_CR_EDM_0 |
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172 DCMI_CR_EDM_1 | DCMI_CR_FCRC_0 | DCMI_CR_FCRC_1 | DCMI_CR_JPEG |
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173 DCMI_CR_ESS);
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174 hdcmi->Instance->CR |= (uint32_t)(hdcmi->Init.SynchroMode | hdcmi->Init.CaptureRate | \
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175 hdcmi->Init.VSPolarity | hdcmi->Init.HSPolarity | \
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176 hdcmi->Init.PCKPolarity | hdcmi->Init.ExtendedDataMode | \
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177 hdcmi->Init.JPEGMode);
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178
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179 if(hdcmi->Init.SynchroMode == DCMI_SYNCHRO_EMBEDDED)
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180 {
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181 DCMI->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) |
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182 ((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << 8)|
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183 ((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << 16) |
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184 ((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << 24));
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185
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186 }
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187
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188 /* Enable the Line interrupt */
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189 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE);
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190
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191 /* Enable the VSYNC interrupt */
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192 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_VSYNC);
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193
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194 /* Enable the Frame capture complete interrupt */
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195 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_FRAME);
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196
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197 /* Enable the Synchronization error interrupt */
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198 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_ERR);
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199
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200 /* Enable the Overflow interrupt */
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201 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_OVF);
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202
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203 /* Enable DCMI by setting DCMIEN bit */
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204 __HAL_DCMI_ENABLE(hdcmi);
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205
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206 /* Update error code */
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207 hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE;
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208
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209 /* Initialize the DCMI state*/
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210 hdcmi->State = HAL_DCMI_STATE_READY;
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211
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212 return HAL_OK;
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213 }
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214
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215 /**
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216 * @brief Deinitializes the DCMI peripheral registers to their default reset
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217 * values.
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218 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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219 * the configuration information for DCMI.
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220 * @retval HAL status
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221 */
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222
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223 HAL_StatusTypeDef HAL_DCMI_DeInit(DCMI_HandleTypeDef *hdcmi)
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224 {
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225 /* DeInit the low level hardware */
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226 HAL_DCMI_MspDeInit(hdcmi);
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227
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228 /* Update error code */
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229 hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE;
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230
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231 /* Initialize the DCMI state*/
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232 hdcmi->State = HAL_DCMI_STATE_RESET;
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233
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234 /* Release Lock */
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235 __HAL_UNLOCK(hdcmi);
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236
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237 return HAL_OK;
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238 }
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239
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240 /**
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241 * @brief Initializes the DCMI MSP.
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242 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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243 * the configuration information for DCMI.
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244 * @retval None
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245 */
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246 __weak void HAL_DCMI_MspInit(DCMI_HandleTypeDef* hdcmi)
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247 {
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248 /* NOTE : This function Should not be modified, when the callback is needed,
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249 the HAL_DCMI_MspInit could be implemented in the user file
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250 */
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251 }
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252
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253 /**
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254 * @brief DeInitializes the DCMI MSP.
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255 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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256 * the configuration information for DCMI.
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257 * @retval None
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258 */
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259 __weak void HAL_DCMI_MspDeInit(DCMI_HandleTypeDef* hdcmi)
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260 {
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261 /* NOTE : This function Should not be modified, when the callback is needed,
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262 the HAL_DCMI_MspDeInit could be implemented in the user file
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263 */
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264 }
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265
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266 /**
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267 * @}
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268 */
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269 /** @defgroup DCMI_Exported_Functions_Group2 IO operation functions
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270 * @brief IO operation functions
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271 *
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272 @verbatim
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273 ===============================================================================
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274 ##### IO operation functions #####
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275 ===============================================================================
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276 [..] This section provides functions allowing to:
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277 (+) Configure destination address and data length and
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278 Enables DCMI DMA request and enables DCMI capture
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279 (+) Stop the DCMI capture.
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280 (+) Handles DCMI interrupt request.
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281
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282 @endverbatim
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283 * @{
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284 */
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285
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286 /**
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287 * @brief Enables DCMI DMA request and enables DCMI capture
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288 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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289 * the configuration information for DCMI.
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290 * @param DCMI_Mode: DCMI capture mode snapshot or continuous grab.
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291 * @param pData: The destination memory Buffer address (LCD Frame buffer).
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292 * @param Length: The length of capture to be transferred.
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293 * @retval HAL status
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294 */
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295 HAL_StatusTypeDef HAL_DCMI_Start_DMA(DCMI_HandleTypeDef* hdcmi, uint32_t DCMI_Mode, uint32_t pData, uint32_t Length)
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296 {
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297 /* Initialize the second memory address */
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298 uint32_t SecondMemAddress = 0;
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299
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300 /* Check function parameters */
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301 assert_param(IS_DCMI_CAPTURE_MODE(DCMI_Mode));
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302
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303 /* Process Locked */
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304 __HAL_LOCK(hdcmi);
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305
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306 /* Lock the DCMI peripheral state */
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307 hdcmi->State = HAL_DCMI_STATE_BUSY;
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308
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309 /* Check the parameters */
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310 assert_param(IS_DCMI_CAPTURE_MODE(DCMI_Mode));
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311
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312 /* Configure the DCMI Mode */
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313 hdcmi->Instance->CR &= ~(DCMI_CR_CM);
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314 hdcmi->Instance->CR |= (uint32_t)(DCMI_Mode);
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315
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316 /* Set the DMA memory0 conversion complete callback */
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317 hdcmi->DMA_Handle->XferCpltCallback = DCMI_DMAConvCplt;
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318
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319 /* Set the DMA error callback */
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320 hdcmi->DMA_Handle->XferErrorCallback = DCMI_DMAError;
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321
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322 if(Length <= 0xFFFF)
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323 {
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324 /* Enable the DMA Stream */
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325 HAL_DMA_Start_IT(hdcmi->DMA_Handle, (uint32_t)&hdcmi->Instance->DR, (uint32_t)pData, Length);
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326 }
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327 else /* DCMI_DOUBLE_BUFFER Mode */
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328 {
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329 /* Set the DMA memory1 conversion complete callback */
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330 hdcmi->DMA_Handle->XferM1CpltCallback = DCMI_DMAConvCplt;
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331
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332 /* Initialize transfer parameters */
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333 hdcmi->XferCount = 1;
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334 hdcmi->XferSize = Length;
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335 hdcmi->pBuffPtr = pData;
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336
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337 /* Get the number of buffer */
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338 while(hdcmi->XferSize > 0xFFFF)
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339 {
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340 hdcmi->XferSize = (hdcmi->XferSize/2);
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341 hdcmi->XferCount = hdcmi->XferCount*2;
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342 }
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343
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344 /* Update DCMI counter and transfer number*/
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345 hdcmi->XferCount = (hdcmi->XferCount - 2);
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346 hdcmi->XferTransferNumber = hdcmi->XferCount;
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347
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348 /* Update second memory address */
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349 SecondMemAddress = (uint32_t)(pData + (4*hdcmi->XferSize));
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350
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351 /* Start DMA multi buffer transfer */
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352 HAL_DMAEx_MultiBufferStart_IT(hdcmi->DMA_Handle, (uint32_t)&hdcmi->Instance->DR, (uint32_t)pData, SecondMemAddress, hdcmi->XferSize);
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353 }
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354
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355 /* Enable Capture */
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356 DCMI->CR |= DCMI_CR_CAPTURE;
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357
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358 /* Return function status */
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359 return HAL_OK;
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360 }
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361
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362 /**
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363 * @brief Disable DCMI DMA request and Disable DCMI capture
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364 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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365 * the configuration information for DCMI.
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366 * @retval HAL status
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367 */
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368 HAL_StatusTypeDef HAL_DCMI_Stop(DCMI_HandleTypeDef* hdcmi)
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369 {
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370 uint32_t tickstart = 0;
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371
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372 /* Lock the DCMI peripheral state */
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373 hdcmi->State = HAL_DCMI_STATE_BUSY;
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374
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375 __HAL_DCMI_DISABLE(hdcmi);
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376
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377 /* Disable Capture */
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378 DCMI->CR &= ~(DCMI_CR_CAPTURE);
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379
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380 /* Get tick */
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381 tickstart = HAL_GetTick();
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382
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383 /* Check if the DCMI capture effectively disabled */
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384 while((hdcmi->Instance->CR & DCMI_CR_CAPTURE) != 0)
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385 {
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386 if((HAL_GetTick() - tickstart ) > HAL_TIMEOUT_DCMI_STOP)
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387 {
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388 /* Process Unlocked */
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389 __HAL_UNLOCK(hdcmi);
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390
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391 /* Update error code */
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392 hdcmi->ErrorCode |= HAL_DCMI_ERROR_TIMEOUT;
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393
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394 /* Change DCMI state */
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395 hdcmi->State = HAL_DCMI_STATE_TIMEOUT;
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396
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397 return HAL_TIMEOUT;
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398 }
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399 }
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400
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401 /* Disable the DMA */
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402 HAL_DMA_Abort(hdcmi->DMA_Handle);
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403
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parents:
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404 /* Update error code */
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405 hdcmi->ErrorCode |= HAL_DCMI_ERROR_NONE;
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406
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407 /* Change DCMI state */
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408 hdcmi->State = HAL_DCMI_STATE_READY;
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409
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parents:
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410 /* Process Unlocked */
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411 __HAL_UNLOCK(hdcmi);
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412
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413 /* Return function status */
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414 return HAL_OK;
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415 }
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416
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417 /**
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418 * @brief Handles DCMI interrupt request.
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419 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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420 * the configuration information for the DCMI.
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421 * @retval None
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422 */
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423 void HAL_DCMI_IRQHandler(DCMI_HandleTypeDef *hdcmi)
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424 {
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425 /* Synchronization error interrupt management *******************************/
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426 if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_ERRRI) != RESET)
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427 {
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428 if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_ERR) != RESET)
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429 {
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diff changeset
430 /* Disable the Synchronization error interrupt */
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431 __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_ERR);
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432
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433 /* Clear the Synchronization error flag */
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434 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_ERRRI);
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435
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parents:
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436 /* Update error code */
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437 hdcmi->ErrorCode |= HAL_DCMI_ERROR_SYNC;
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438
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439 /* Change DCMI state */
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440 hdcmi->State = HAL_DCMI_STATE_ERROR;
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441
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442 /* Process Unlocked */
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443 __HAL_UNLOCK(hdcmi);
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444
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445 /* Abort the DMA Transfer */
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446 HAL_DMA_Abort(hdcmi->DMA_Handle);
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447
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parents:
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448 /* Synchronization error Callback */
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449 HAL_DCMI_ErrorCallback(hdcmi);
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450 }
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451 }
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parents:
diff changeset
452 /* Overflow interrupt management ********************************************/
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453 if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_OVFRI) != RESET)
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454 {
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455 if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_OVF) != RESET)
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456 {
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diff changeset
457 /* Disable the Overflow interrupt */
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458 __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_OVF);
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diff changeset
459
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parents:
diff changeset
460 /* Clear the Overflow flag */
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461 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_OVFRI);
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diff changeset
462
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diff changeset
463 /* Update error code */
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464 hdcmi->ErrorCode |= HAL_DCMI_ERROR_OVF;
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diff changeset
465
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diff changeset
466 /* Change DCMI state */
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467 hdcmi->State = HAL_DCMI_STATE_ERROR;
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diff changeset
468
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parents:
diff changeset
469 /* Process Unlocked */
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470 __HAL_UNLOCK(hdcmi);
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diff changeset
471
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diff changeset
472 /* Abort the DMA Transfer */
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473 HAL_DMA_Abort(hdcmi->DMA_Handle);
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diff changeset
474
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parents:
diff changeset
475 /* Overflow Callback */
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diff changeset
476 HAL_DCMI_ErrorCallback(hdcmi);
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diff changeset
477 }
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478 }
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diff changeset
479 /* Line Interrupt management ************************************************/
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480 if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_LINERI) != RESET)
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diff changeset
481 {
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482 if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_LINE) != RESET)
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diff changeset
483 {
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diff changeset
484 /* Clear the Line interrupt flag */
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485 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_LINERI);
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parents:
diff changeset
486
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diff changeset
487 /* Process Unlocked */
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diff changeset
488 __HAL_UNLOCK(hdcmi);
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diff changeset
489
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parents:
diff changeset
490 /* Line interrupt Callback */
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491 HAL_DCMI_LineEventCallback(hdcmi);
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diff changeset
492 }
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diff changeset
493 }
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parents:
diff changeset
494 /* VSYNC interrupt management ***********************************************/
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diff changeset
495 if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_VSYNCRI) != RESET)
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diff changeset
496 {
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diff changeset
497 if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_VSYNC) != RESET)
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heinrichsweikamp
parents:
diff changeset
498 {
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heinrichsweikamp
parents:
diff changeset
499 /* Disable the VSYNC interrupt */
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parents:
diff changeset
500 __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_VSYNC);
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heinrichsweikamp
parents:
diff changeset
501
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heinrichsweikamp
parents:
diff changeset
502 /* Clear the VSYNC flag */
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parents:
diff changeset
503 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_VSYNCRI);
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heinrichsweikamp
parents:
diff changeset
504
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parents:
diff changeset
505 /* Process Unlocked */
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diff changeset
506 __HAL_UNLOCK(hdcmi);
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heinrichsweikamp
parents:
diff changeset
507
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parents:
diff changeset
508 /* VSYNC Callback */
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diff changeset
509 HAL_DCMI_VsyncEventCallback(hdcmi);
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diff changeset
510 }
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parents:
diff changeset
511 }
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heinrichsweikamp
parents:
diff changeset
512 /* End of Frame interrupt management ****************************************/
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diff changeset
513 if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_FRAMERI) != RESET)
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heinrichsweikamp
parents:
diff changeset
514 {
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diff changeset
515 if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_FRAME) != RESET)
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heinrichsweikamp
parents:
diff changeset
516 {
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heinrichsweikamp
parents:
diff changeset
517 /* Disable the End of Frame interrupt */
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parents:
diff changeset
518 __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_FRAME);
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heinrichsweikamp
parents:
diff changeset
519
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heinrichsweikamp
parents:
diff changeset
520 /* Clear the End of Frame flag */
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heinrichsweikamp
parents:
diff changeset
521 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_FRAMERI);
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heinrichsweikamp
parents:
diff changeset
522
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parents:
diff changeset
523 /* Process Unlocked */
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parents:
diff changeset
524 __HAL_UNLOCK(hdcmi);
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heinrichsweikamp
parents:
diff changeset
525
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parents:
diff changeset
526 /* End of Frame Callback */
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parents:
diff changeset
527 HAL_DCMI_FrameEventCallback(hdcmi);
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heinrichsweikamp
parents:
diff changeset
528 }
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heinrichsweikamp
parents:
diff changeset
529 }
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heinrichsweikamp
parents:
diff changeset
530 }
5f11787b4f42 include in ostc4 repository
heinrichsweikamp
parents:
diff changeset
531
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heinrichsweikamp
parents:
diff changeset
532 /**
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heinrichsweikamp
parents:
diff changeset
533 * @brief Error DCMI callback.
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heinrichsweikamp
parents:
diff changeset
534 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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heinrichsweikamp
parents:
diff changeset
535 * the configuration information for DCMI.
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heinrichsweikamp
parents:
diff changeset
536 * @retval None
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heinrichsweikamp
parents:
diff changeset
537 */
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heinrichsweikamp
parents:
diff changeset
538 __weak void HAL_DCMI_ErrorCallback(DCMI_HandleTypeDef *hdcmi)
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539 {
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parents:
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540 /* NOTE : This function Should not be modified, when the callback is needed,
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parents:
diff changeset
541 the HAL_DCMI_ErrorCallback could be implemented in the user file
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parents:
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542 */
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543 }
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544
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parents:
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545 /**
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546 * @brief Line Event callback.
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parents:
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547 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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parents:
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548 * the configuration information for DCMI.
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549 * @retval None
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550 */
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551 __weak void HAL_DCMI_LineEventCallback(DCMI_HandleTypeDef *hdcmi)
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552 {
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553 /* NOTE : This function Should not be modified, when the callback is needed,
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parents:
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554 the HAL_DCMI_LineEventCallback could be implemented in the user file
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555 */
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556 }
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557
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parents:
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558 /**
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559 * @brief VSYNC Event callback.
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560 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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parents:
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561 * the configuration information for DCMI.
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562 * @retval None
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563 */
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564 __weak void HAL_DCMI_VsyncEventCallback(DCMI_HandleTypeDef *hdcmi)
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565 {
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566 /* NOTE : This function Should not be modified, when the callback is needed,
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567 the HAL_DCMI_VsyncEventCallback could be implemented in the user file
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568 */
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569 }
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570
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571 /**
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572 * @brief Frame Event callback.
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573 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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574 * the configuration information for DCMI.
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575 * @retval None
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576 */
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577 __weak void HAL_DCMI_FrameEventCallback(DCMI_HandleTypeDef *hdcmi)
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578 {
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579 /* NOTE : This function Should not be modified, when the callback is needed,
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580 the HAL_DCMI_FrameEventCallback could be implemented in the user file
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581 */
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582 }
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583
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parents:
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584 /**
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585 * @}
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586 */
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587
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parents:
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588 /** @defgroup DCMI_Exported_Functions_Group3 Peripheral Control functions
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589 * @brief Peripheral Control functions
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590 *
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591 @verbatim
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592 ===============================================================================
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593 ##### Peripheral Control functions #####
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parents:
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594 ===============================================================================
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parents:
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595 [..] This section provides functions allowing to:
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596 (+) Configure the CROP feature.
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597 (+) Enable/Disable the CROP feature.
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598
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599 @endverbatim
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600 * @{
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601 */
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602
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parents:
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603 /**
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604 * @brief Configure the DCMI CROP coordinate.
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605 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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parents:
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606 * the configuration information for DCMI.
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parents:
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607 * @param YSize: DCMI Line number
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parents:
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608 * @param XSize: DCMI Pixel per line
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parents:
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609 * @param X0: DCMI window X offset
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parents:
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610 * @param Y0: DCMI window Y offset
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611 * @retval HAL status
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612 */
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613 HAL_StatusTypeDef HAL_DCMI_ConfigCROP(DCMI_HandleTypeDef *hdcmi, uint32_t X0, uint32_t Y0, uint32_t XSize, uint32_t YSize)
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614 {
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615 /* Process Locked */
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616 __HAL_LOCK(hdcmi);
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617
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parents:
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618 /* Lock the DCMI peripheral state */
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619 hdcmi->State = HAL_DCMI_STATE_BUSY;
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620
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parents:
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621 /* Check the parameters */
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622 assert_param(IS_DCMI_WINDOW_COORDINATE(X0));
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623 assert_param(IS_DCMI_WINDOW_COORDINATE(YSize));
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624 assert_param(IS_DCMI_WINDOW_COORDINATE(XSize));
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625 assert_param(IS_DCMI_WINDOW_HEIGHT(Y0));
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626
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627 /* Configure CROP */
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628 DCMI->CWSIZER = (XSize | (YSize << 16));
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629 DCMI->CWSTRTR = (X0 | (Y0 << 16));
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630
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631 /* Initialize the DCMI state*/
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632 hdcmi->State = HAL_DCMI_STATE_READY;
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633
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634 /* Process Unlocked */
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635 __HAL_UNLOCK(hdcmi);
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636
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637 return HAL_OK;
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638 }
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639
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640 /**
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641 * @brief Disable the Crop feature.
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642 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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643 * the configuration information for DCMI.
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644 * @retval HAL status
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645 */
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646 HAL_StatusTypeDef HAL_DCMI_DisableCROP(DCMI_HandleTypeDef *hdcmi)
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647 {
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648 /* Process Locked */
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649 __HAL_LOCK(hdcmi);
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650
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651 /* Lock the DCMI peripheral state */
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652 hdcmi->State = HAL_DCMI_STATE_BUSY;
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653
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654 /* Disable DCMI Crop feature */
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655 DCMI->CR &= ~(uint32_t)DCMI_CR_CROP;
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656
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657 /* Change the DCMI state*/
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658 hdcmi->State = HAL_DCMI_STATE_READY;
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659
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660 /* Process Unlocked */
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661 __HAL_UNLOCK(hdcmi);
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662
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663 return HAL_OK;
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664 }
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665
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666 /**
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667 * @brief Enable the Crop feature.
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668 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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669 * the configuration information for DCMI.
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670 * @retval HAL status
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671 */
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672 HAL_StatusTypeDef HAL_DCMI_EnableCROP(DCMI_HandleTypeDef *hdcmi)
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673 {
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674 /* Process Locked */
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675 __HAL_LOCK(hdcmi);
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676
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parents:
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677 /* Lock the DCMI peripheral state */
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678 hdcmi->State = HAL_DCMI_STATE_BUSY;
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679
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680 /* Enable DCMI Crop feature */
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681 DCMI->CR |= (uint32_t)DCMI_CR_CROP;
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682
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683 /* Change the DCMI state*/
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684 hdcmi->State = HAL_DCMI_STATE_READY;
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685
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686 /* Process Unlocked */
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687 __HAL_UNLOCK(hdcmi);
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688
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689 return HAL_OK;
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690 }
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691
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692 /**
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693 * @}
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694 */
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695
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696 /** @defgroup DCMI_Exported_Functions_Group4 Peripheral State functions
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697 * @brief Peripheral State functions
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698 *
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699 @verbatim
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700 ===============================================================================
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701 ##### Peripheral State and Errors functions #####
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diff changeset
702 ===============================================================================
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703 [..]
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704 This subsection provides functions allowing to
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705 (+) Check the DCMI state.
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706 (+) Get the specific DCMI error flag.
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707
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708 @endverbatim
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709 * @{
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710 */
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711
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712 /**
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713 * @brief Return the DCMI state
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714 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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715 * the configuration information for DCMI.
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716 * @retval HAL state
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717 */
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718 HAL_DCMI_StateTypeDef HAL_DCMI_GetState(DCMI_HandleTypeDef *hdcmi)
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719 {
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720 return hdcmi->State;
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721 }
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722
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723 /**
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724 * @brief Return the DCMI error code
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725 * @param hdcmi : pointer to a DCMI_HandleTypeDef structure that contains
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726 * the configuration information for DCMI.
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727 * @retval DCMI Error Code
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728 */
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729 uint32_t HAL_DCMI_GetError(DCMI_HandleTypeDef *hdcmi)
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730 {
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731 return hdcmi->ErrorCode;
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732 }
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733
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734 /**
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735 * @}
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736 */
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737 /* Private functions ---------------------------------------------------------*/
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738 /** @defgroup DCMI_Private_Functions DCMI Private Functions
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739 * @{
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740 */
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741
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742 /**
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743 * @brief DMA conversion complete callback.
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744 * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
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745 * the configuration information for the specified DMA module.
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746 * @retval None
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747 */
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748 static void DCMI_DMAConvCplt(DMA_HandleTypeDef *hdma)
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749 {
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750 uint32_t tmp = 0;
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751
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752 DCMI_HandleTypeDef* hdcmi = ( DCMI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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753 hdcmi->State= HAL_DCMI_STATE_READY;
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754
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755 if(hdcmi->XferCount != 0)
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756 {
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757 /* Update memory 0 address location */
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758 tmp = ((hdcmi->DMA_Handle->Instance->CR) & DMA_SxCR_CT);
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759 if(((hdcmi->XferCount % 2) == 0) && (tmp != 0))
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760 {
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761 tmp = hdcmi->DMA_Handle->Instance->M0AR;
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762 HAL_DMAEx_ChangeMemory(hdcmi->DMA_Handle, (tmp + (8*hdcmi->XferSize)), MEMORY0);
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763 hdcmi->XferCount--;
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764 }
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765 /* Update memory 1 address location */
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766 else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) == 0)
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767 {
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768 tmp = hdcmi->DMA_Handle->Instance->M1AR;
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769 HAL_DMAEx_ChangeMemory(hdcmi->DMA_Handle, (tmp + (8*hdcmi->XferSize)), MEMORY1);
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770 hdcmi->XferCount--;
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771 }
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772 }
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773 /* Update memory 0 address location */
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774 else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) != 0)
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775 {
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776 hdcmi->DMA_Handle->Instance->M0AR = hdcmi->pBuffPtr;
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777 }
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778 /* Update memory 1 address location */
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779 else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) == 0)
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780 {
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781 tmp = hdcmi->pBuffPtr;
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782 hdcmi->DMA_Handle->Instance->M1AR = (tmp + (4*hdcmi->XferSize));
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783 hdcmi->XferCount = hdcmi->XferTransferNumber;
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784 }
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785
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786 if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_FRAMERI) != RESET)
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787 {
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788 /* Process Unlocked */
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789 __HAL_UNLOCK(hdcmi);
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790
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791 /* FRAME Callback */
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792 HAL_DCMI_FrameEventCallback(hdcmi);
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793 }
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794 }
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795
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796 /**
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797 * @brief DMA error callback
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798 * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
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799 * the configuration information for the specified DMA module.
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800 * @retval None
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801 */
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802 static void DCMI_DMAError(DMA_HandleTypeDef *hdma)
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803 {
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804 DCMI_HandleTypeDef* hdcmi = ( DCMI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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805 hdcmi->State= HAL_DCMI_STATE_READY;
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806 HAL_DCMI_ErrorCallback(hdcmi);
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807 }
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808
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809 /**
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810 * @}
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811 */
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812
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813 /**
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814 * @}
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815 */
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816 #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */
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817 #endif /* HAL_DCMI_MODULE_ENABLED */
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818 /**
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819 * @}
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820 */
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821
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822 /**
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823 * @}
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824 */
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825
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826 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/