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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dcmi.c @ 380:a7331e4a9ca6 MotionDetection

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Minor code cleanup
author ideenmodellierer
date Thu, 10 Oct 2019 22:09:52 +0200
parents c78bcbd5deda
children
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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 * @brief DCMI HAL module driver
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6 * This file provides firmware functions to manage the following
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7 * functionalities of the Digital Camera Interface (DCMI) peripheral:
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8 * + Initialization and de-initialization functions
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9 * + IO operation functions
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10 * + Peripheral Control functions
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11 * + Peripheral State and Error functions
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12 *
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13 @verbatim
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14 ==============================================================================
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15 ##### How to use this driver #####
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16 ==============================================================================
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17 [..]
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18 The sequence below describes how to use this driver to capture image
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19 from a camera module connected to the DCMI Interface.
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20 This sequence does not take into account the configuration of the
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21 camera module, which should be made before to configure and enable
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22 the DCMI to capture images.
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23
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24 (#) Program the required configuration through following parameters:
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25 horizontal and vertical polarity, pixel clock polarity, Capture Rate,
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26 Synchronization Mode, code of the frame delimiter and data width
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27 using HAL_DCMI_Init() function.
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28
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29 (#) Configure the DMA2_Stream1 channel1 to transfer Data from DCMI DR
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30 register to the destination memory buffer.
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31
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32 (#) Program the required configuration through following parameters:
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33 DCMI mode, destination memory Buffer address and the data length
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34 and enable capture using HAL_DCMI_Start_DMA() function.
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35
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36 (#) Optionally, configure and Enable the CROP feature to select a rectangular
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37 window from the received image using HAL_DCMI_ConfigCrop()
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38 and HAL_DCMI_EnableCROP() functions
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39
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40 (#) The capture can be stopped using HAL_DCMI_Stop() function.
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41
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42 (#) To control DCMI state you can use the function HAL_DCMI_GetState().
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43
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44 *** DCMI HAL driver macros list ***
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45 =============================================
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46 [..]
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47 Below the list of most used macros in DCMI HAL driver.
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48
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49 (+) __HAL_DCMI_ENABLE: Enable the DCMI peripheral.
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50 (+) __HAL_DCMI_DISABLE: Disable the DCMI peripheral.
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51 (+) __HAL_DCMI_GET_FLAG: Get the DCMI pending flags.
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52 (+) __HAL_DCMI_CLEAR_FLAG: Clear the DCMI pending flags.
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53 (+) __HAL_DCMI_ENABLE_IT: Enable the specified DCMI interrupts.
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54 (+) __HAL_DCMI_DISABLE_IT: Disable the specified DCMI interrupts.
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55 (+) __HAL_DCMI_GET_IT_SOURCE: Check whether the specified DCMI interrupt has occurred or not.
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56
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57 [..]
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58 (@) You can refer to the DCMI HAL driver header file for more useful macros
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59
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60 @endverbatim
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61 ******************************************************************************
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62 * @attention
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63 *
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64 * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
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65 *
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66 * Redistribution and use in source and binary forms, with or without modification,
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67 * are permitted provided that the following conditions are met:
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68 * 1. Redistributions of source code must retain the above copyright notice,
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69 * this list of conditions and the following disclaimer.
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70 * 2. Redistributions in binary form must reproduce the above copyright notice,
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71 * this list of conditions and the following disclaimer in the documentation
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72 * and/or other materials provided with the distribution.
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73 * 3. Neither the name of STMicroelectronics nor the names of its contributors
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74 * may be used to endorse or promote products derived from this software
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75 * without specific prior written permission.
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76 *
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77 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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78 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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79 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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80 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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81 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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82 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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83 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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84 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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85 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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86 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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87 *
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88 ******************************************************************************
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89 */
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90
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91 /* Includes ------------------------------------------------------------------*/
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92 #include "stm32f4xx_hal.h"
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93
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94 /** @addtogroup STM32F4xx_HAL_Driver
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95 * @{
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96 */
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97 /** @defgroup DCMI DCMI
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98 * @brief DCMI HAL module driver
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99 * @{
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100 */
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101
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102 #ifdef HAL_DCMI_MODULE_ENABLED
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103
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104 #if defined(STM32F407xx) || defined(STM32F417xx) || defined(STM32F427xx) || defined(STM32F437xx) ||\
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105 defined(STM32F429xx) || defined(STM32F439xx) || defined(STM32F446xx) || defined(STM32F469xx) ||\
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106 defined(STM32F479xx)
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107 /* Private typedef -----------------------------------------------------------*/
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108 /* Private define ------------------------------------------------------------*/
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109 #define HAL_TIMEOUT_DCMI_STOP 14U /* Set timeout to 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_DMAXferCplt(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 __weak 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 /* Allocate lock resource and initialize it */
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165 hdcmi->Lock = HAL_UNLOCKED;
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166 /* Init the low level hardware */
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167 HAL_DCMI_MspInit(hdcmi);
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168 }
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169
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170 /* Change the DCMI state */
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171 hdcmi->State = HAL_DCMI_STATE_BUSY;
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172
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173 /* Set DCMI parameters */
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174 /* Configures the HS, VS, DE and PC polarity */
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175 hdcmi->Instance->CR &= ~(DCMI_CR_PCKPOL | DCMI_CR_HSPOL | DCMI_CR_VSPOL | DCMI_CR_EDM_0 |
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176 DCMI_CR_EDM_1 | DCMI_CR_FCRC_0 | DCMI_CR_FCRC_1 | DCMI_CR_JPEG |
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177 DCMI_CR_ESS);
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178 hdcmi->Instance->CR |= (uint32_t)(hdcmi->Init.SynchroMode | hdcmi->Init.CaptureRate | \
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179 hdcmi->Init.VSPolarity | hdcmi->Init.HSPolarity | \
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180 hdcmi->Init.PCKPolarity | hdcmi->Init.ExtendedDataMode | \
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181 hdcmi->Init.JPEGMode);
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182
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183 if(hdcmi->Init.SynchroMode == DCMI_SYNCHRO_EMBEDDED)
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184 {
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185 hdcmi->Instance->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) |
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186 ((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << DCMI_POSITION_ESCR_LSC)|
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187 ((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << DCMI_POSITION_ESCR_LEC) |
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188 ((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << DCMI_POSITION_ESCR_FEC));
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189 }
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190
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191 /* Enable the Line, Vsync, Error and Overrun interrupts */
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192 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE | DCMI_IT_VSYNC | DCMI_IT_ERR | DCMI_IT_OVR);
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193
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194 /* Update error code */
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195 hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE;
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196
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197 /* Initialize the DCMI state*/
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198 hdcmi->State = HAL_DCMI_STATE_READY;
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199
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200 return HAL_OK;
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201 }
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202
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203 /**
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204 * @brief Deinitializes the DCMI peripheral registers to their default reset
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205 * values.
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206 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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207 * the configuration information for DCMI.
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208 * @retval HAL status
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209 */
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210
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211 HAL_StatusTypeDef HAL_DCMI_DeInit(DCMI_HandleTypeDef *hdcmi)
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212 {
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213 /* DeInit the low level hardware */
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214 HAL_DCMI_MspDeInit(hdcmi);
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215
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216 /* Update error code */
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217 hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE;
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218
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219 /* Initialize the DCMI state*/
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220 hdcmi->State = HAL_DCMI_STATE_RESET;
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221
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222 /* Release Lock */
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223 __HAL_UNLOCK(hdcmi);
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224
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225 return HAL_OK;
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226 }
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227
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228 /**
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229 * @brief Initializes the DCMI MSP.
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230 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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231 * the configuration information for DCMI.
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232 * @retval None
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233 */
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234 __weak void HAL_DCMI_MspInit(DCMI_HandleTypeDef* hdcmi)
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235 {
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236 /* Prevent unused argument(s) compilation warning */
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237 UNUSED(hdcmi);
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238 /* NOTE : This function Should not be modified, when the callback is needed,
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239 the HAL_DCMI_MspInit could be implemented in the user file
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240 */
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241 }
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242
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243 /**
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244 * @brief DeInitializes the DCMI MSP.
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245 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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246 * the configuration information for DCMI.
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247 * @retval None
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248 */
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249 __weak void HAL_DCMI_MspDeInit(DCMI_HandleTypeDef* hdcmi)
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250 {
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251 /* Prevent unused argument(s) compilation warning */
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252 UNUSED(hdcmi);
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253 /* NOTE : This function Should not be modified, when the callback is needed,
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254 the HAL_DCMI_MspDeInit could be implemented in the user file
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255 */
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256 }
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257
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258 /**
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259 * @}
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260 */
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261 /** @defgroup DCMI_Exported_Functions_Group2 IO operation functions
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262 * @brief IO operation functions
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263 *
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264 @verbatim
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265 ===============================================================================
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266 ##### IO operation functions #####
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267 ===============================================================================
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268 [..] This section provides functions allowing to:
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269 (+) Configure destination address and data length and
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270 Enables DCMI DMA request and enables DCMI capture
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271 (+) Stop the DCMI capture.
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272 (+) Handles DCMI interrupt request.
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273
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274 @endverbatim
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275 * @{
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276 */
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277
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278 /**
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279 * @brief Enables DCMI DMA request and enables DCMI capture
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280 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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281 * the configuration information for DCMI.
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282 * @param DCMI_Mode DCMI capture mode snapshot or continuous grab.
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283 * @param pData The destination memory Buffer address (LCD Frame buffer).
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284 * @param Length The length of capture to be transferred.
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285 * @retval HAL status
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286 */
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287 HAL_StatusTypeDef HAL_DCMI_Start_DMA(DCMI_HandleTypeDef* hdcmi, uint32_t DCMI_Mode, uint32_t pData, uint32_t Length)
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288 {
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289 /* Initialize the second memory address */
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290 uint32_t SecondMemAddress = 0U;
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291
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292 /* Check function parameters */
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293 assert_param(IS_DCMI_CAPTURE_MODE(DCMI_Mode));
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294
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295 /* Process Locked */
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296 __HAL_LOCK(hdcmi);
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297
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298 /* Lock the DCMI peripheral state */
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299 hdcmi->State = HAL_DCMI_STATE_BUSY;
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300
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301 /* Enable DCMI by setting DCMIEN bit */
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302 __HAL_DCMI_ENABLE(hdcmi);
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303
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304 /* Configure the DCMI Mode */
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305 hdcmi->Instance->CR &= ~(DCMI_CR_CM);
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306 hdcmi->Instance->CR |= (uint32_t)(DCMI_Mode);
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307
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308 /* Set the DMA memory0 conversion complete callback */
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309 hdcmi->DMA_Handle->XferCpltCallback = DCMI_DMAXferCplt;
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310
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311 /* Set the DMA error callback */
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312 hdcmi->DMA_Handle->XferErrorCallback = DCMI_DMAError;
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313
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314 /* Set the dma abort callback */
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315 hdcmi->DMA_Handle->XferAbortCallback = NULL;
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316
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317 /* Reset transfer counters value */
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318 hdcmi->XferCount = 0U;
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319 hdcmi->XferTransferNumber = 0U;
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320
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321 if(Length <= 0xFFFFU)
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322 {
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323 /* Enable the DMA Stream */
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324 HAL_DMA_Start_IT(hdcmi->DMA_Handle, (uint32_t)&hdcmi->Instance->DR, (uint32_t)pData, Length);
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325 }
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326 else /* DCMI_DOUBLE_BUFFER Mode */
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327 {
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328 /* Set the DMA memory1 conversion complete callback */
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329 hdcmi->DMA_Handle->XferM1CpltCallback = DCMI_DMAXferCplt;
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330
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331 /* Initialize transfer parameters */
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332 hdcmi->XferCount = 1U;
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333 hdcmi->XferSize = Length;
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334 hdcmi->pBuffPtr = pData;
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335
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336 /* Get the number of buffer */
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337 while(hdcmi->XferSize > 0xFFFFU)
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338 {
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339 hdcmi->XferSize = (hdcmi->XferSize/2U);
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340 hdcmi->XferCount = hdcmi->XferCount*2U;
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341 }
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342
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343 /* Update DCMI counter and transfer number*/
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344 hdcmi->XferCount = (hdcmi->XferCount - 2U);
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345 hdcmi->XferTransferNumber = hdcmi->XferCount;
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346
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347 /* Update second memory address */
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348 SecondMemAddress = (uint32_t)(pData + (4U*hdcmi->XferSize));
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349
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350 /* Start DMA multi buffer transfer */
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351 HAL_DMAEx_MultiBufferStart_IT(hdcmi->DMA_Handle, (uint32_t)&hdcmi->Instance->DR, (uint32_t)pData, SecondMemAddress, hdcmi->XferSize);
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352 }
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353
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354 /* Enable Capture */
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355 hdcmi->Instance->CR |= DCMI_CR_CAPTURE;
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356
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357 /* Release Lock */
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358 __HAL_UNLOCK(hdcmi);
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359
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360 /* Return function status */
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361 return HAL_OK;
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362 }
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363
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364 /**
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365 * @brief Disable DCMI DMA request and Disable DCMI capture
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366 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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367 * the configuration information for DCMI.
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368 * @retval HAL status
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369 */
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370 HAL_StatusTypeDef HAL_DCMI_Stop(DCMI_HandleTypeDef* hdcmi)
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371 {
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372 __IO uint32_t count = SystemCoreClock / HAL_TIMEOUT_DCMI_STOP;
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373 HAL_StatusTypeDef status = HAL_OK;
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374
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375 /* Process locked */
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376 __HAL_LOCK(hdcmi);
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377
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378 /* Lock the DCMI peripheral state */
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379 hdcmi->State = HAL_DCMI_STATE_BUSY;
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380
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381 /* Disable Capture */
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382 hdcmi->Instance->CR &= ~(DCMI_CR_CAPTURE);
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383
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384 /* Check if the DCMI capture effectively disabled */
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385 do
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386 {
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387 if (count-- == 0U)
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388 {
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389 /* Update error code */
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390 hdcmi->ErrorCode |= HAL_DCMI_ERROR_TIMEOUT;
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391
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392 status = HAL_TIMEOUT;
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393 }
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394 }
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395 while((hdcmi->Instance->CR & DCMI_CR_CAPTURE) != 0U);
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396
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397 /* Disable the DCMI */
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398 __HAL_DCMI_DISABLE(hdcmi);
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399
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400 /* Disable the DMA */
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401 HAL_DMA_Abort(hdcmi->DMA_Handle);
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402
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403 /* Update error code */
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404 hdcmi->ErrorCode |= HAL_DCMI_ERROR_NONE;
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405
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406 /* Change DCMI state */
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407 hdcmi->State = HAL_DCMI_STATE_READY;
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408
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409 /* Process Unlocked */
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410 __HAL_UNLOCK(hdcmi);
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411
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412 /* Return function status */
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413 return status;
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414 }
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415
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416 /**
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417 * @brief Suspend DCMI capture
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418 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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419 * the configuration information for DCMI.
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420 * @retval HAL status
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421 */
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422 HAL_StatusTypeDef HAL_DCMI_Suspend(DCMI_HandleTypeDef* hdcmi)
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423 {
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424 __IO uint32_t count = SystemCoreClock / HAL_TIMEOUT_DCMI_STOP;
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425 HAL_StatusTypeDef status = HAL_OK;
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426
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427 /* Process locked */
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428 __HAL_LOCK(hdcmi);
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429
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430 if(hdcmi->State == HAL_DCMI_STATE_BUSY)
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431 {
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432 /* Change DCMI state */
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433 hdcmi->State = HAL_DCMI_STATE_SUSPENDED;
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434
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435 /* Disable Capture */
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436 hdcmi->Instance->CR &= ~(DCMI_CR_CAPTURE);
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437
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438 /* Check if the DCMI capture effectively disabled */
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439 do
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440 {
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441 if (count-- == 0U)
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442 {
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443 /* Update error code */
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444 hdcmi->ErrorCode |= HAL_DCMI_ERROR_TIMEOUT;
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445
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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446 /* Change DCMI state */
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447 hdcmi->State = HAL_DCMI_STATE_READY;
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448
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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449 status = HAL_TIMEOUT;
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450 break;
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451 }
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452 }
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453 while((hdcmi->Instance->CR & DCMI_CR_CAPTURE) != 0);
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454 }
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455 /* Process Unlocked */
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456 __HAL_UNLOCK(hdcmi);
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457
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458 /* Return function status */
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459 return status;
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460 }
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461
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462 /**
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463 * @brief Resume DCMI capture
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464 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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465 * the configuration information for DCMI.
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466 * @retval HAL status
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467 */
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468 HAL_StatusTypeDef HAL_DCMI_Resume(DCMI_HandleTypeDef* hdcmi)
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469 {
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470 /* Process locked */
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471 __HAL_LOCK(hdcmi);
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472
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473 if(hdcmi->State == HAL_DCMI_STATE_SUSPENDED)
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474 {
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475 /* Change DCMI state */
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476 hdcmi->State = HAL_DCMI_STATE_BUSY;
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477
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478 /* Disable Capture */
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479 hdcmi->Instance->CR |= DCMI_CR_CAPTURE;
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480 }
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481 /* Process Unlocked */
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482 __HAL_UNLOCK(hdcmi);
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483
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484 /* Return function status */
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485 return HAL_OK;
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486 }
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487
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488 /**
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489 * @brief Handles DCMI interrupt request.
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490 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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491 * the configuration information for the DCMI.
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492 * @retval None
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493 */
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494 void HAL_DCMI_IRQHandler(DCMI_HandleTypeDef *hdcmi)
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495 {
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496 uint32_t isr_value = READ_REG(hdcmi->Instance->MISR);
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497
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498 /* Synchronization error interrupt management *******************************/
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499 if((isr_value & DCMI_FLAG_ERRRI) == DCMI_FLAG_ERRRI)
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500 {
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501 /* Clear the Synchronization error flag */
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502 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_ERRRI);
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503
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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504 /* Update error code */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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505 hdcmi->ErrorCode |= HAL_DCMI_ERROR_SYNC;
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506
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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507 /* Change DCMI state */
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508 hdcmi->State = HAL_DCMI_STATE_ERROR;
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509
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510 /* Set the synchronization error callback */
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511 hdcmi->DMA_Handle->XferAbortCallback = DCMI_DMAError;
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512
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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513 /* Abort the DMA Transfer */
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514 HAL_DMA_Abort_IT(hdcmi->DMA_Handle);
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515 }
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516 /* Overflow interrupt management ********************************************/
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517 if((isr_value & DCMI_FLAG_OVRRI) == DCMI_FLAG_OVRRI)
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518 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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519 /* Clear the Overflow flag */
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520 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_OVRRI);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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521
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522 /* Update error code */
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523 hdcmi->ErrorCode |= HAL_DCMI_ERROR_OVR;
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524
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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525 /* Change DCMI state */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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526 hdcmi->State = HAL_DCMI_STATE_ERROR;
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527
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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528 /* Set the overflow callback */
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529 hdcmi->DMA_Handle->XferAbortCallback = DCMI_DMAError;
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530
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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531 /* Abort the DMA Transfer */
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532 HAL_DMA_Abort_IT(hdcmi->DMA_Handle);
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533 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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534 /* Line Interrupt management ************************************************/
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535 if((isr_value & DCMI_FLAG_LINERI) == DCMI_FLAG_LINERI)
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536 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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537 /* Clear the Line interrupt flag */
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538 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_LINERI);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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539
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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540 /* Line interrupt Callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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541 HAL_DCMI_LineEventCallback(hdcmi);
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542 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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543 /* VSYNC interrupt management ***********************************************/
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544 if((isr_value & DCMI_FLAG_VSYNCRI) == DCMI_FLAG_VSYNCRI)
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545 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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546 /* Clear the VSYNC flag */
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547 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_VSYNCRI);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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548
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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549 /* VSYNC Callback */
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550 HAL_DCMI_VsyncEventCallback(hdcmi);
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551 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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552 /* FRAME interrupt management ***********************************************/
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553 if((isr_value & DCMI_FLAG_FRAMERI) == DCMI_FLAG_FRAMERI)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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554 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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555 /* When snapshot mode, disable Vsync, Error and Overrun interrupts */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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556 if((hdcmi->Instance->CR & DCMI_CR_CM) == DCMI_MODE_SNAPSHOT)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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557 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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558 /* Disable the Line, Vsync, Error and Overrun interrupts */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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559 __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_LINE | DCMI_IT_VSYNC | DCMI_IT_ERR | DCMI_IT_OVR);
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560 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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561
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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562 /* Disable the Frame interrupt */
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563 __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_FRAME);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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564
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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565 /* Frame Callback */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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566 HAL_DCMI_FrameEventCallback(hdcmi);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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567 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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568 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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569
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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570 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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571 * @brief Error DCMI callback.
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572 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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573 * the configuration information for DCMI.
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574 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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575 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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576 __weak void HAL_DCMI_ErrorCallback(DCMI_HandleTypeDef *hdcmi)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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577 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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578 /* Prevent unused argument(s) compilation warning */
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579 UNUSED(hdcmi);
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580 /* NOTE : This function Should not be modified, when the callback is needed,
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581 the HAL_DCMI_ErrorCallback could be implemented in the user file
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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582 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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583 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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584
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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585 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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586 * @brief Line Event callback.
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587 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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588 * the configuration information for DCMI.
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589 * @retval None
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590 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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591 __weak void HAL_DCMI_LineEventCallback(DCMI_HandleTypeDef *hdcmi)
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592 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
593 /* Prevent unused argument(s) compilation warning */
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594 UNUSED(hdcmi);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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595 /* NOTE : This function Should not be modified, when the callback is needed,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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596 the HAL_DCMI_LineEventCallback could be implemented in the user file
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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597 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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598 }
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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599
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
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600 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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601 * @brief VSYNC Event callback.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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602 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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603 * the configuration information for DCMI.
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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604 * @retval None
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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605 */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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606 __weak void HAL_DCMI_VsyncEventCallback(DCMI_HandleTypeDef *hdcmi)
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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607 {
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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parents:
diff changeset
608 /* Prevent unused argument(s) compilation warning */
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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diff changeset
609 UNUSED(hdcmi);
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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610 /* NOTE : This function Should not be modified, when the callback is needed,
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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611 the HAL_DCMI_VsyncEventCallback could be implemented in the user file
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612 */
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613 }
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614
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615 /**
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616 * @brief Frame Event callback.
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617 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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618 * the configuration information for DCMI.
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619 * @retval None
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620 */
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621 __weak void HAL_DCMI_FrameEventCallback(DCMI_HandleTypeDef *hdcmi)
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622 {
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623 /* Prevent unused argument(s) compilation warning */
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624 UNUSED(hdcmi);
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625 /* NOTE : This function Should not be modified, when the callback is needed,
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626 the HAL_DCMI_FrameEventCallback could be implemented in the user file
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627 */
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628 }
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629
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630 /**
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631 * @}
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632 */
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633
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634 /** @defgroup DCMI_Exported_Functions_Group3 Peripheral Control functions
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635 * @brief Peripheral Control functions
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636 *
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637 @verbatim
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638 ===============================================================================
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639 ##### Peripheral Control functions #####
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640 ===============================================================================
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641 [..] This section provides functions allowing to:
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642 (+) Configure the CROP feature.
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643 (+) Enable/Disable the CROP feature.
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644
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645 @endverbatim
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646 * @{
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647 */
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648
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649 /**
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650 * @brief Configure the DCMI CROP coordinate.
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651 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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652 * the configuration information for DCMI.
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653 * @param X0 DCMI window X offset
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654 * @param Y0 DCMI window Y offset
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655 * @param XSize DCMI Pixel per line
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656 * @param YSize DCMI Line number
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657 * @retval HAL status
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658 */
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659 HAL_StatusTypeDef HAL_DCMI_ConfigCrop(DCMI_HandleTypeDef *hdcmi, uint32_t X0, uint32_t Y0, uint32_t XSize, uint32_t YSize)
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660 {
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661 /* Process Locked */
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662 __HAL_LOCK(hdcmi);
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663
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664 /* Lock the DCMI peripheral state */
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665 hdcmi->State = HAL_DCMI_STATE_BUSY;
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666
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667 /* Check the parameters */
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668 assert_param(IS_DCMI_WINDOW_COORDINATE(X0));
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669 assert_param(IS_DCMI_WINDOW_COORDINATE(YSize));
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670 assert_param(IS_DCMI_WINDOW_COORDINATE(XSize));
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671 assert_param(IS_DCMI_WINDOW_HEIGHT(Y0));
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672
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673 /* Configure CROP */
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674 hdcmi->Instance->CWSIZER = (XSize | (YSize << DCMI_POSITION_CWSIZE_VLINE));
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675 hdcmi->Instance->CWSTRTR = (X0 | (Y0 << DCMI_POSITION_CWSTRT_VST));
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676
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677 /* Initialize the DCMI state*/
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678 hdcmi->State = HAL_DCMI_STATE_READY;
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679
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680 /* Process Unlocked */
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681 __HAL_UNLOCK(hdcmi);
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682
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683 return HAL_OK;
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684 }
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685
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686 /**
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687 * @brief Disable the Crop feature.
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688 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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689 * the configuration information for DCMI.
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690 * @retval HAL status
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691 */
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692 HAL_StatusTypeDef HAL_DCMI_DisableCrop(DCMI_HandleTypeDef *hdcmi)
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693 {
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694 /* Process Locked */
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695 __HAL_LOCK(hdcmi);
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696
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697 /* Lock the DCMI peripheral state */
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698 hdcmi->State = HAL_DCMI_STATE_BUSY;
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699
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700 /* Disable DCMI Crop feature */
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701 hdcmi->Instance->CR &= ~(uint32_t)DCMI_CR_CROP;
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702
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703 /* Change the DCMI state*/
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704 hdcmi->State = HAL_DCMI_STATE_READY;
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705
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706 /* Process Unlocked */
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707 __HAL_UNLOCK(hdcmi);
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708
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709 return HAL_OK;
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710 }
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711
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712 /**
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713 * @brief Enable the Crop feature.
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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 status
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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717 */
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718 HAL_StatusTypeDef HAL_DCMI_EnableCrop(DCMI_HandleTypeDef *hdcmi)
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719 {
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720 /* Process Locked */
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721 __HAL_LOCK(hdcmi);
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722
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723 /* Lock the DCMI peripheral state */
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724 hdcmi->State = HAL_DCMI_STATE_BUSY;
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725
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726 /* Enable DCMI Crop feature */
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727 hdcmi->Instance->CR |= (uint32_t)DCMI_CR_CROP;
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728
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729 /* Change the DCMI state*/
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730 hdcmi->State = HAL_DCMI_STATE_READY;
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731
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732 /* Process Unlocked */
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733 __HAL_UNLOCK(hdcmi);
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734
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735 return HAL_OK;
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736 }
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737
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738 /**
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739 * @}
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740 */
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741
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742 /** @defgroup DCMI_Exported_Functions_Group4 Peripheral State functions
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743 * @brief Peripheral State functions
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744 *
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745 @verbatim
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746 ===============================================================================
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747 ##### Peripheral State and Errors functions #####
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748 ===============================================================================
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749 [..]
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750 This subsection provides functions allowing to
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751 (+) Check the DCMI state.
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752 (+) Get the specific DCMI error flag.
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753
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754 @endverbatim
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755 * @{
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756 */
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757
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758 /**
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759 * @brief Return the DCMI state
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760 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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761 * the configuration information for DCMI.
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762 * @retval HAL state
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763 */
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764 HAL_DCMI_StateTypeDef HAL_DCMI_GetState(DCMI_HandleTypeDef *hdcmi)
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765 {
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766 return hdcmi->State;
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767 }
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768
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769 /**
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770 * @brief Return the DCMI error code
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771 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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772 * the configuration information for DCMI.
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773 * @retval DCMI Error Code
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774 */
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775 uint32_t HAL_DCMI_GetError(DCMI_HandleTypeDef *hdcmi)
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776 {
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777 return hdcmi->ErrorCode;
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778 }
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779
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780 /**
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781 * @}
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782 */
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783
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784 /* Private functions ---------------------------------------------------------*/
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785 /** @defgroup DCMI_Private_Functions DCMI Private Functions
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786 * @{
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787 */
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788
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789 /**
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790 * @brief DMA conversion complete callback.
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791 * @param hdma pointer to a DMA_HandleTypeDef structure that contains
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792 * the configuration information for the specified DMA module.
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793 * @retval None
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794 */
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795 static void DCMI_DMAXferCplt(DMA_HandleTypeDef *hdma)
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796 {
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797 uint32_t tmp = 0U;
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798
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799 DCMI_HandleTypeDef* hdcmi = ( DCMI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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800
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801 if(hdcmi->XferCount != 0U)
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802 {
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803 /* Update memory 0 address location */
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804 tmp = ((hdcmi->DMA_Handle->Instance->CR) & DMA_SxCR_CT);
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805 if(((hdcmi->XferCount % 2U) == 0U) && (tmp != 0U))
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806 {
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807 tmp = hdcmi->DMA_Handle->Instance->M0AR;
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808 HAL_DMAEx_ChangeMemory(hdcmi->DMA_Handle, (tmp + (8U*hdcmi->XferSize)), MEMORY0);
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809 hdcmi->XferCount--;
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810 }
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811 /* Update memory 1 address location */
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812 else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) == 0U)
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813 {
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814 tmp = hdcmi->DMA_Handle->Instance->M1AR;
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815 HAL_DMAEx_ChangeMemory(hdcmi->DMA_Handle, (tmp + (8U*hdcmi->XferSize)), MEMORY1);
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816 hdcmi->XferCount--;
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817 }
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818 }
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819 /* Update memory 0 address location */
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820 else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) != 0U)
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821 {
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822 hdcmi->DMA_Handle->Instance->M0AR = hdcmi->pBuffPtr;
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823 }
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824 /* Update memory 1 address location */
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825 else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) == 0U)
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826 {
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827 tmp = hdcmi->pBuffPtr;
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828 hdcmi->DMA_Handle->Instance->M1AR = (tmp + (4U*hdcmi->XferSize));
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829 hdcmi->XferCount = hdcmi->XferTransferNumber;
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830 }
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831
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832 /* Check if the frame is transferred */
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833 if(hdcmi->XferCount == hdcmi->XferTransferNumber)
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834 {
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835 /* Enable the Frame interrupt */
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836 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_FRAME);
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837
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838 /* When snapshot mode, set dcmi state to ready */
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839 if((hdcmi->Instance->CR & DCMI_CR_CM) == DCMI_MODE_SNAPSHOT)
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840 {
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841 hdcmi->State= HAL_DCMI_STATE_READY;
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842 }
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843 }
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844 }
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845
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846 /**
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847 * @brief DMA error callback
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848 * @param hdma pointer to a DMA_HandleTypeDef structure that contains
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849 * the configuration information for the specified DMA module.
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850 * @retval None
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851 */
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852 static void DCMI_DMAError(DMA_HandleTypeDef *hdma)
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853 {
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854 DCMI_HandleTypeDef* hdcmi = ( DCMI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
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855
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856 if(hdcmi->DMA_Handle->ErrorCode != HAL_DMA_ERROR_FE)
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857 {
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858 /* Initialize the DCMI state*/
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859 hdcmi->State = HAL_DCMI_STATE_READY;
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860 }
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861
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862 /* DCMI error Callback */
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863 HAL_DCMI_ErrorCallback(hdcmi);
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864 }
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865
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866 /**
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867 * @}
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868 */
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869
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870 /**
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871 * @}
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872 */
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873 #endif /* STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx ||\
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874 STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx ||\
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875 STM32F479xx */
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876 #endif /* HAL_DCMI_MODULE_ENABLED */
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877 /**
c78bcbd5deda Added current STM32 standandard libraries in version independend folder structure
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878 * @}
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879 */
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880
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881 /**
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882 * @}
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883 */
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884
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885 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/