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annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_dcmi.c @ 528:a9c195be907e
Added new option to gas configuration: "Off":
Added functionality needed to handle the new state
author | Ideenmodellierer |
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date | Sun, 13 Sep 2020 20:59:38 +0200 |
parents | c78bcbd5deda |
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rev | line source |
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1 /** |
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2 ****************************************************************************** |
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3 * @file stm32f4xx_hal_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>© 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 |
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446 /* Change DCMI state */ |
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447 hdcmi->State = HAL_DCMI_STATE_READY; |
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448 |
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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 |
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504 /* Update error code */ |
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505 hdcmi->ErrorCode |= HAL_DCMI_ERROR_SYNC; |
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506 |
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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 |
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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 { |
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519 /* Clear the Overflow flag */ |
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520 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_OVRRI); |
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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 |
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525 /* Change DCMI state */ |
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526 hdcmi->State = HAL_DCMI_STATE_ERROR; |
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527 |
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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 |
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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 } |
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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 { |
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537 /* Clear the Line interrupt flag */ |
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538 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_LINERI); |
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539 |
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540 /* Line interrupt Callback */ |
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541 HAL_DCMI_LineEventCallback(hdcmi); |
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542 } |
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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 { |
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546 /* Clear the VSYNC flag */ |
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547 __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_VSYNCRI); |
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548 |
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549 /* VSYNC Callback */ |
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550 HAL_DCMI_VsyncEventCallback(hdcmi); |
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551 } |
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552 /* FRAME interrupt management ***********************************************/ |
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553 if((isr_value & DCMI_FLAG_FRAMERI) == DCMI_FLAG_FRAMERI) |
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554 { |
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555 /* When snapshot mode, disable Vsync, Error and Overrun interrupts */ |
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556 if((hdcmi->Instance->CR & DCMI_CR_CM) == DCMI_MODE_SNAPSHOT) |
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557 { |
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558 /* Disable the Line, Vsync, Error and Overrun interrupts */ |
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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 } |
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561 |
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562 /* Disable the Frame interrupt */ |
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563 __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_FRAME); |
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564 |
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565 /* Frame Callback */ |
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566 HAL_DCMI_FrameEventCallback(hdcmi); |
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567 } |
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568 } |
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569 |
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570 /** |
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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 |
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575 */ |
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576 __weak void HAL_DCMI_ErrorCallback(DCMI_HandleTypeDef *hdcmi) |
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577 { |
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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 |
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582 */ |
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583 } |
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584 |
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585 /** |
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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 */ |
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591 __weak void HAL_DCMI_LineEventCallback(DCMI_HandleTypeDef *hdcmi) |
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592 { |
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593 /* Prevent unused argument(s) compilation warning */ |
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594 UNUSED(hdcmi); |
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595 /* NOTE : This function Should not be modified, when the callback is needed, |
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596 the HAL_DCMI_LineEventCallback could be implemented in the user file |
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597 */ |
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598 } |
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599 |
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600 /** |
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601 * @brief VSYNC Event callback. |
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602 * @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains |
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603 * the configuration information for DCMI. |
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604 * @retval None |
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605 */ |
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606 __weak void HAL_DCMI_VsyncEventCallback(DCMI_HandleTypeDef *hdcmi) |
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607 { |
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608 /* Prevent unused argument(s) compilation warning */ |
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609 UNUSED(hdcmi); |
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610 /* NOTE : This function Should not be modified, when the callback is needed, |
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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 |
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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 /** |
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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****/ |