[303] | 1 | /**
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| 2 | ******************************************************************************
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| 3 | * @file stm32f4xx_hal_dcmi.c
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| 4 | * @author MCD Application Team
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| 5 | * @version V1.4.1
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| 6 | * @date 09-October-2015
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| 7 | * @brief DCMI HAL module driver
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| 8 | * This file provides firmware functions to manage the following
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| 9 | * functionalities of the Digital Camera Interface (DCMI) peripheral:
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| 10 | * + Initialization and de-initialization functions
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| 11 | * + IO operation functions
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| 12 | * + Peripheral Control functions
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| 13 | * + Peripheral State and Error functions
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| 14 | *
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| 15 | @verbatim
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| 16 | ==============================================================================
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| 17 | ##### How to use this driver #####
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| 18 | ==============================================================================
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| 19 | [..]
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| 20 | The sequence below describes how to use this driver to capture image
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| 21 | from a camera module connected to the DCMI Interface.
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| 22 | This sequence does not take into account the configuration of the
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| 23 | camera module, which should be made before to configure and enable
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| 24 | the DCMI to capture images.
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| 25 |
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| 26 | (#) Program the required configuration through following parameters:
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| 27 | horizontal and vertical polarity, pixel clock polarity, Capture Rate,
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| 28 | Synchronization Mode, code of the frame delimiter and data width
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| 29 | using HAL_DCMI_Init() function.
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| 30 |
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| 31 | (#) Configure the DMA2_Stream1 channel1 to transfer Data from DCMI DR
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| 32 | register to the destination memory buffer.
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| 33 |
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| 34 | (#) Program the required configuration through following parameters:
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| 35 | DCMI mode, destination memory Buffer address and the data length
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| 36 | and enable capture using HAL_DCMI_Start_DMA() function.
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| 37 |
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| 38 | (#) Optionally, configure and Enable the CROP feature to select a rectangular
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| 39 | window from the received image using HAL_DCMI_ConfigCrop()
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| 40 | and HAL_DCMI_EnableCROP() functions
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| 41 |
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| 42 | (#) The capture can be stopped using HAL_DCMI_Stop() function.
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| 43 |
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| 44 | (#) To control DCMI state you can use the function HAL_DCMI_GetState().
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| 45 |
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| 46 | *** DCMI HAL driver macros list ***
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| 47 | =============================================
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| 48 | [..]
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| 49 | Below the list of most used macros in DCMI HAL driver.
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| 50 |
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| 51 | (+) __HAL_DCMI_ENABLE: Enable the DCMI peripheral.
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| 52 | (+) __HAL_DCMI_DISABLE: Disable the DCMI peripheral.
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| 53 | (+) __HAL_DCMI_GET_FLAG: Get the DCMI pending flags.
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| 54 | (+) __HAL_DCMI_CLEAR_FLAG: Clear the DCMI pending flags.
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| 55 | (+) __HAL_DCMI_ENABLE_IT: Enable the specified DCMI interrupts.
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| 56 | (+) __HAL_DCMI_DISABLE_IT: Disable the specified DCMI interrupts.
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| 57 | (+) __HAL_DCMI_GET_IT_SOURCE: Check whether the specified DCMI interrupt has occurred or not.
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| 58 |
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| 59 | [..]
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| 60 | (@) You can refer to the DCMI HAL driver header file for more useful macros
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| 61 |
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| 62 | @endverbatim
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| 63 | ******************************************************************************
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| 64 | * @attention
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| 65 | *
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| 66 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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| 67 | *
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| 68 | * Redistribution and use in source and binary forms, with or without modification,
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| 69 | * are permitted provided that the following conditions are met:
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| 70 | * 1. Redistributions of source code must retain the above copyright notice,
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| 71 | * this list of conditions and the following disclaimer.
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| 72 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 73 | * this list of conditions and the following disclaimer in the documentation
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| 74 | * and/or other materials provided with the distribution.
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| 75 | * 3. Neither the name of STMicroelectronics nor the names of its contributors
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| 76 | * may be used to endorse or promote products derived from this software
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| 77 | * without specific prior written permission.
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| 78 | *
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| 79 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 80 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 81 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 82 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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| 83 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 84 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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| 85 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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| 86 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 87 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 88 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 89 | *
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| 90 | ******************************************************************************
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| 91 | */
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| 92 |
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| 93 | /* Includes ------------------------------------------------------------------*/
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| 94 | #include "stm32f4xx_hal.h"
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| 95 |
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| 96 | /** @addtogroup STM32F4xx_HAL_Driver
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| 97 | * @{
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| 98 | */
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| 99 | /** @defgroup DCMI DCMI
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| 100 | * @brief DCMI HAL module driver
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| 101 | * @{
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| 102 | */
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| 103 |
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| 104 | #ifdef HAL_DCMI_MODULE_ENABLED
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| 105 |
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| 106 | #if defined(STM32F407xx) || defined(STM32F417xx) || defined(STM32F427xx) || defined(STM32F437xx) ||\
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| 107 | defined(STM32F429xx) || defined(STM32F439xx) || defined(STM32F446xx) || defined(STM32F469xx) ||\
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| 108 | defined(STM32F479xx)
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| 109 | /* Private typedef -----------------------------------------------------------*/
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| 110 | /* Private define ------------------------------------------------------------*/
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| 111 | #define HAL_TIMEOUT_DCMI_STOP ((uint32_t)1000) /* 1s */
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| 112 | /* Private macro -------------------------------------------------------------*/
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| 113 | /* Private variables ---------------------------------------------------------*/
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| 114 | /* Private function prototypes -----------------------------------------------*/
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| 115 | static void DCMI_DMAConvCplt(DMA_HandleTypeDef *hdma);
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| 116 | static void DCMI_DMAError(DMA_HandleTypeDef *hdma);
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| 117 |
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| 118 | /* Exported functions --------------------------------------------------------*/
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| 119 |
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| 120 | /** @defgroup DCMI_Exported_Functions DCMI Exported Functions
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| 121 | * @{
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| 122 | */
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| 123 |
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| 124 | /** @defgroup DCMI_Exported_Functions_Group1 Initialization and Configuration functions
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| 125 | * @brief Initialization and Configuration functions
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| 126 | *
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| 127 | @verbatim
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| 128 | ===============================================================================
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| 129 | ##### Initialization and Configuration functions #####
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| 130 | ===============================================================================
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| 131 | [..] This section provides functions allowing to:
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| 132 | (+) Initialize and configure the DCMI
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| 133 | (+) De-initialize the DCMI
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| 134 |
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| 135 | @endverbatim
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| 136 | * @{
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| 137 | */
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| 138 |
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| 139 | /**
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| 140 | * @brief Initializes the DCMI according to the specified
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| 141 | * parameters in the DCMI_InitTypeDef and create the associated handle.
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| 142 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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| 143 | * the configuration information for DCMI.
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| 144 | * @retval HAL status
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| 145 | */
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| 146 | __weak HAL_StatusTypeDef HAL_DCMI_Init(DCMI_HandleTypeDef *hdcmi)
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| 147 | {
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| 148 | /* Check the DCMI peripheral state */
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| 149 | if(hdcmi == NULL)
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| 150 | {
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| 151 | return HAL_ERROR;
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| 152 | }
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| 153 |
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| 154 | /* Check function parameters */
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| 155 | assert_param(IS_DCMI_ALL_INSTANCE(hdcmi->Instance));
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| 156 | assert_param(IS_DCMI_PCKPOLARITY(hdcmi->Init.PCKPolarity));
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| 157 | assert_param(IS_DCMI_VSPOLARITY(hdcmi->Init.VSPolarity));
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| 158 | assert_param(IS_DCMI_HSPOLARITY(hdcmi->Init.HSPolarity));
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| 159 | assert_param(IS_DCMI_SYNCHRO(hdcmi->Init.SynchroMode));
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| 160 | assert_param(IS_DCMI_CAPTURE_RATE(hdcmi->Init.CaptureRate));
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| 161 | assert_param(IS_DCMI_EXTENDED_DATA(hdcmi->Init.ExtendedDataMode));
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| 162 | assert_param(IS_DCMI_MODE_JPEG(hdcmi->Init.JPEGMode));
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| 163 |
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| 164 | if(hdcmi->State == HAL_DCMI_STATE_RESET)
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| 165 | {
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| 166 | /* Allocate lock resource and initialize it */
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| 167 | hdcmi->Lock = HAL_UNLOCKED;
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| 168 | /* Init the low level hardware */
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| 169 | HAL_DCMI_MspInit(hdcmi);
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| 170 | }
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| 171 |
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| 172 | /* Change the DCMI state */
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| 173 | hdcmi->State = HAL_DCMI_STATE_BUSY;
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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 | DCMI->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) |
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| 186 | ((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << 8)|
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| 187 | ((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << 16) |
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| 188 | ((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << 24));
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| 189 |
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| 190 | }
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| 191 |
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| 192 | /* Enable the Line interrupt */
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| 193 | __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE);
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| 194 |
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| 195 | /* Enable the VSYNC interrupt */
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| 196 | __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_VSYNC);
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| 197 |
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| 198 | /* Enable the Frame capture complete interrupt */
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| 199 | __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_FRAME);
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| 200 |
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| 201 | /* Enable the Synchronization error interrupt */
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| 202 | __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_ERR);
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| 203 |
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| 204 | /* Enable the Overflow interrupt */
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| 205 | __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_OVF);
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| 206 |
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| 207 | /* Enable DCMI by setting DCMIEN bit */
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| 208 | __HAL_DCMI_ENABLE(hdcmi);
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| 209 |
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| 210 | /* Update error code */
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| 211 | hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE;
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| 212 |
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| 213 | /* Initialize the DCMI state*/
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| 214 | hdcmi->State = HAL_DCMI_STATE_READY;
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| 215 |
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| 216 | return HAL_OK;
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| 217 | }
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| 218 |
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| 219 | /**
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| 220 | * @brief Deinitializes the DCMI peripheral registers to their default reset
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| 221 | * values.
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| 222 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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| 223 | * the configuration information for DCMI.
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| 224 | * @retval HAL status
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| 225 | */
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| 226 |
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| 227 | HAL_StatusTypeDef HAL_DCMI_DeInit(DCMI_HandleTypeDef *hdcmi)
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| 228 | {
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| 229 | /* DeInit the low level hardware */
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| 230 | HAL_DCMI_MspDeInit(hdcmi);
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| 231 |
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| 232 | /* Update error code */
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| 233 | hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE;
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| 234 |
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| 235 | /* Initialize the DCMI state*/
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| 236 | hdcmi->State = HAL_DCMI_STATE_RESET;
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| 237 |
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| 238 | /* Release Lock */
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| 239 | __HAL_UNLOCK(hdcmi);
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| 240 |
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| 241 | return HAL_OK;
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| 242 | }
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| 243 |
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| 244 | /**
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| 245 | * @brief Initializes the DCMI MSP.
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| 246 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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| 247 | * the configuration information for DCMI.
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| 248 | * @retval None
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| 249 | */
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| 250 | __weak void HAL_DCMI_MspInit(DCMI_HandleTypeDef* hdcmi)
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| 251 | {
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| 252 | /* NOTE : This function Should not be modified, when the callback is needed,
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| 253 | the HAL_DCMI_MspInit could be implemented in the user file
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| 254 | */
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| 255 | }
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| 256 |
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| 257 | /**
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| 258 | * @brief DeInitializes the DCMI MSP.
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| 259 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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| 260 | * the configuration information for DCMI.
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| 261 | * @retval None
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| 262 | */
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| 263 | __weak void HAL_DCMI_MspDeInit(DCMI_HandleTypeDef* hdcmi)
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| 264 | {
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| 265 | /* NOTE : This function Should not be modified, when the callback is needed,
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| 266 | the HAL_DCMI_MspDeInit could be implemented in the user file
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| 267 | */
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| 268 | }
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| 269 |
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| 270 | /**
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| 271 | * @}
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| 272 | */
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| 273 | /** @defgroup DCMI_Exported_Functions_Group2 IO operation functions
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| 274 | * @brief IO operation functions
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| 275 | *
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| 276 | @verbatim
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| 277 | ===============================================================================
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| 278 | ##### IO operation functions #####
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| 279 | ===============================================================================
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| 280 | [..] This section provides functions allowing to:
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| 281 | (+) Configure destination address and data length and
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| 282 | Enables DCMI DMA request and enables DCMI capture
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| 283 | (+) Stop the DCMI capture.
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| 284 | (+) Handles DCMI interrupt request.
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| 285 |
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| 286 | @endverbatim
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| 287 | * @{
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| 288 | */
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| 289 |
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| 290 | /**
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| 291 | * @brief Enables DCMI DMA request and enables DCMI capture
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| 292 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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| 293 | * the configuration information for DCMI.
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| 294 | * @param DCMI_Mode: DCMI capture mode snapshot or continuous grab.
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| 295 | * @param pData: The destination memory Buffer address (LCD Frame buffer).
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| 296 | * @param Length: The length of capture to be transferred.
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| 297 | * @retval HAL status
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| 298 | */
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| 299 | HAL_StatusTypeDef HAL_DCMI_Start_DMA(DCMI_HandleTypeDef* hdcmi, uint32_t DCMI_Mode, uint32_t pData, uint32_t Length)
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| 300 | {
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| 301 | /* Initialize the second memory address */
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| 302 | uint32_t SecondMemAddress = 0;
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| 303 |
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| 304 | /* Check function parameters */
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| 305 | assert_param(IS_DCMI_CAPTURE_MODE(DCMI_Mode));
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| 306 |
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| 307 | /* Process Locked */
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| 308 | __HAL_LOCK(hdcmi);
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| 309 |
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| 310 | /* Lock the DCMI peripheral state */
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| 311 | hdcmi->State = HAL_DCMI_STATE_BUSY;
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| 312 |
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| 313 | /* Check the parameters */
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| 314 | assert_param(IS_DCMI_CAPTURE_MODE(DCMI_Mode));
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| 315 |
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| 316 | /* Configure the DCMI Mode */
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| 317 | hdcmi->Instance->CR &= ~(DCMI_CR_CM);
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| 318 | hdcmi->Instance->CR |= (uint32_t)(DCMI_Mode);
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| 319 |
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| 320 | /* Set the DMA memory0 conversion complete callback */
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| 321 | hdcmi->DMA_Handle->XferCpltCallback = DCMI_DMAConvCplt;
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| 322 |
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| 323 | /* Set the DMA error callback */
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| 324 | hdcmi->DMA_Handle->XferErrorCallback = DCMI_DMAError;
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| 325 |
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| 326 | if(Length <= 0xFFFF)
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| 327 | {
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| 328 | /* Enable the DMA Stream */
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| 329 | HAL_DMA_Start_IT(hdcmi->DMA_Handle, (uint32_t)&hdcmi->Instance->DR, (uint32_t)pData, Length);
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| 330 | }
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| 331 | else /* DCMI_DOUBLE_BUFFER Mode */
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| 332 | {
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| 333 | /* Set the DMA memory1 conversion complete callback */
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| 334 | hdcmi->DMA_Handle->XferM1CpltCallback = DCMI_DMAConvCplt;
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| 335 |
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| 336 | /* Initialize transfer parameters */
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| 337 | hdcmi->XferCount = 1;
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| 338 | hdcmi->XferSize = Length;
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| 339 | hdcmi->pBuffPtr = pData;
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| 340 |
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| 341 | /* Get the number of buffer */
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| 342 | while(hdcmi->XferSize > 0xFFFF)
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| 343 | {
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| 344 | hdcmi->XferSize = (hdcmi->XferSize/2);
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| 345 | hdcmi->XferCount = hdcmi->XferCount*2;
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| 346 | }
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| 347 |
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| 348 | /* Update DCMI counter and transfer number*/
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| 349 | hdcmi->XferCount = (hdcmi->XferCount - 2);
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| 350 | hdcmi->XferTransferNumber = hdcmi->XferCount;
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| 351 |
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| 352 | /* Update second memory address */
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| 353 | SecondMemAddress = (uint32_t)(pData + (4*hdcmi->XferSize));
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| 354 |
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| 355 | /* Start DMA multi buffer transfer */
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| 356 | HAL_DMAEx_MultiBufferStart_IT(hdcmi->DMA_Handle, (uint32_t)&hdcmi->Instance->DR, (uint32_t)pData, SecondMemAddress, hdcmi->XferSize);
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| 357 | }
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| 358 |
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| 359 | /* Enable Capture */
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| 360 | DCMI->CR |= DCMI_CR_CAPTURE;
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| 361 |
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| 362 | /* Return function status */
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| 363 | return HAL_OK;
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| 364 | }
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| 365 |
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| 366 | /**
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| 367 | * @brief Disable DCMI DMA request and Disable DCMI capture
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| 368 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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| 369 | * the configuration information for DCMI.
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| 370 | * @retval HAL status
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| 371 | */
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| 372 | HAL_StatusTypeDef HAL_DCMI_Stop(DCMI_HandleTypeDef* hdcmi)
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| 373 | {
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| 374 | uint32_t tickstart = 0;
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| 375 |
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| 376 | /* Lock the DCMI peripheral state */
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| 377 | hdcmi->State = HAL_DCMI_STATE_BUSY;
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| 378 |
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| 379 | __HAL_DCMI_DISABLE(hdcmi);
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| 380 |
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| 381 | /* Disable Capture */
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| 382 | DCMI->CR &= ~(DCMI_CR_CAPTURE);
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| 383 |
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| 384 | /* Get tick */
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| 385 | tickstart = HAL_GetTick();
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| 386 |
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| 387 | /* Check if the DCMI capture effectively disabled */
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| 388 | while((hdcmi->Instance->CR & DCMI_CR_CAPTURE) != 0)
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| 389 | {
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| 390 | if((HAL_GetTick() - tickstart ) > HAL_TIMEOUT_DCMI_STOP)
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| 391 | {
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| 392 | /* Process Unlocked */
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| 393 | __HAL_UNLOCK(hdcmi);
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| 394 |
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| 395 | /* Update error code */
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| 396 | hdcmi->ErrorCode |= HAL_DCMI_ERROR_TIMEOUT;
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| 397 |
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| 398 | /* Change DCMI state */
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| 399 | hdcmi->State = HAL_DCMI_STATE_TIMEOUT;
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| 400 |
|
---|
| 401 | return HAL_TIMEOUT;
|
---|
| 402 | }
|
---|
| 403 | }
|
---|
| 404 |
|
---|
| 405 | /* Disable the DMA */
|
---|
| 406 | HAL_DMA_Abort(hdcmi->DMA_Handle);
|
---|
| 407 |
|
---|
| 408 | /* Update error code */
|
---|
| 409 | hdcmi->ErrorCode |= HAL_DCMI_ERROR_NONE;
|
---|
| 410 |
|
---|
| 411 | /* Change DCMI state */
|
---|
| 412 | hdcmi->State = HAL_DCMI_STATE_READY;
|
---|
| 413 |
|
---|
| 414 | /* Process Unlocked */
|
---|
| 415 | __HAL_UNLOCK(hdcmi);
|
---|
| 416 |
|
---|
| 417 | /* Return function status */
|
---|
| 418 | return HAL_OK;
|
---|
| 419 | }
|
---|
| 420 |
|
---|
| 421 | /**
|
---|
| 422 | * @brief Handles DCMI interrupt request.
|
---|
| 423 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
|
---|
| 424 | * the configuration information for the DCMI.
|
---|
| 425 | * @retval None
|
---|
| 426 | */
|
---|
| 427 | void HAL_DCMI_IRQHandler(DCMI_HandleTypeDef *hdcmi)
|
---|
| 428 | {
|
---|
| 429 | /* Synchronization error interrupt management *******************************/
|
---|
| 430 | if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_ERRRI) != RESET)
|
---|
| 431 | {
|
---|
| 432 | if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_ERR) != RESET)
|
---|
| 433 | {
|
---|
| 434 | /* Disable the Synchronization error interrupt */
|
---|
| 435 | __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_ERR);
|
---|
| 436 |
|
---|
| 437 | /* Clear the Synchronization error flag */
|
---|
| 438 | __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_ERRRI);
|
---|
| 439 |
|
---|
| 440 | /* Update error code */
|
---|
| 441 | hdcmi->ErrorCode |= HAL_DCMI_ERROR_SYNC;
|
---|
| 442 |
|
---|
| 443 | /* Change DCMI state */
|
---|
| 444 | hdcmi->State = HAL_DCMI_STATE_ERROR;
|
---|
| 445 |
|
---|
| 446 | /* Process Unlocked */
|
---|
| 447 | __HAL_UNLOCK(hdcmi);
|
---|
| 448 |
|
---|
| 449 | /* Abort the DMA Transfer */
|
---|
| 450 | HAL_DMA_Abort(hdcmi->DMA_Handle);
|
---|
| 451 |
|
---|
| 452 | /* Synchronization error Callback */
|
---|
| 453 | HAL_DCMI_ErrorCallback(hdcmi);
|
---|
| 454 | }
|
---|
| 455 | }
|
---|
| 456 | /* Overflow interrupt management ********************************************/
|
---|
| 457 | if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_OVFRI) != RESET)
|
---|
| 458 | {
|
---|
| 459 | if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_OVF) != RESET)
|
---|
| 460 | {
|
---|
| 461 | /* Disable the Overflow interrupt */
|
---|
| 462 | __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_OVF);
|
---|
| 463 |
|
---|
| 464 | /* Clear the Overflow flag */
|
---|
| 465 | __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_OVFRI);
|
---|
| 466 |
|
---|
| 467 | /* Update error code */
|
---|
| 468 | hdcmi->ErrorCode |= HAL_DCMI_ERROR_OVF;
|
---|
| 469 |
|
---|
| 470 | /* Change DCMI state */
|
---|
| 471 | hdcmi->State = HAL_DCMI_STATE_ERROR;
|
---|
| 472 |
|
---|
| 473 | /* Process Unlocked */
|
---|
| 474 | __HAL_UNLOCK(hdcmi);
|
---|
| 475 |
|
---|
| 476 | /* Abort the DMA Transfer */
|
---|
| 477 | HAL_DMA_Abort(hdcmi->DMA_Handle);
|
---|
| 478 |
|
---|
| 479 | /* Overflow Callback */
|
---|
| 480 | HAL_DCMI_ErrorCallback(hdcmi);
|
---|
| 481 | }
|
---|
| 482 | }
|
---|
| 483 | /* Line Interrupt management ************************************************/
|
---|
| 484 | if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_LINERI) != RESET)
|
---|
| 485 | {
|
---|
| 486 | if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_LINE) != RESET)
|
---|
| 487 | {
|
---|
| 488 | /* Clear the Line interrupt flag */
|
---|
| 489 | __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_LINERI);
|
---|
| 490 |
|
---|
| 491 | /* Process Unlocked */
|
---|
| 492 | __HAL_UNLOCK(hdcmi);
|
---|
| 493 |
|
---|
| 494 | /* Line interrupt Callback */
|
---|
| 495 | HAL_DCMI_LineEventCallback(hdcmi);
|
---|
| 496 | }
|
---|
| 497 | }
|
---|
| 498 | /* VSYNC interrupt management ***********************************************/
|
---|
| 499 | if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_VSYNCRI) != RESET)
|
---|
| 500 | {
|
---|
| 501 | if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_VSYNC) != RESET)
|
---|
| 502 | {
|
---|
| 503 | /* Disable the VSYNC interrupt */
|
---|
| 504 | __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_VSYNC);
|
---|
| 505 |
|
---|
| 506 | /* Clear the VSYNC flag */
|
---|
| 507 | __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_VSYNCRI);
|
---|
| 508 |
|
---|
| 509 | /* Process Unlocked */
|
---|
| 510 | __HAL_UNLOCK(hdcmi);
|
---|
| 511 |
|
---|
| 512 | /* VSYNC Callback */
|
---|
| 513 | HAL_DCMI_VsyncEventCallback(hdcmi);
|
---|
| 514 | }
|
---|
| 515 | }
|
---|
| 516 | /* End of Frame interrupt management ****************************************/
|
---|
| 517 | if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_FRAMERI) != RESET)
|
---|
| 518 | {
|
---|
| 519 | if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_FRAME) != RESET)
|
---|
| 520 | {
|
---|
| 521 | /* Disable the End of Frame interrupt */
|
---|
| 522 | __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_FRAME);
|
---|
| 523 |
|
---|
| 524 | /* Clear the End of Frame flag */
|
---|
| 525 | __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_FRAMERI);
|
---|
| 526 |
|
---|
| 527 | /* Process Unlocked */
|
---|
| 528 | __HAL_UNLOCK(hdcmi);
|
---|
| 529 |
|
---|
| 530 | /* End of Frame Callback */
|
---|
| 531 | HAL_DCMI_FrameEventCallback(hdcmi);
|
---|
| 532 | }
|
---|
| 533 | }
|
---|
| 534 | }
|
---|
| 535 |
|
---|
| 536 | /**
|
---|
| 537 | * @brief Error DCMI callback.
|
---|
| 538 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
|
---|
| 539 | * the configuration information for DCMI.
|
---|
| 540 | * @retval None
|
---|
| 541 | */
|
---|
| 542 | __weak void HAL_DCMI_ErrorCallback(DCMI_HandleTypeDef *hdcmi)
|
---|
| 543 | {
|
---|
| 544 | /* NOTE : This function Should not be modified, when the callback is needed,
|
---|
| 545 | the HAL_DCMI_ErrorCallback could be implemented in the user file
|
---|
| 546 | */
|
---|
| 547 | }
|
---|
| 548 |
|
---|
| 549 | /**
|
---|
| 550 | * @brief Line Event callback.
|
---|
| 551 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
|
---|
| 552 | * the configuration information for DCMI.
|
---|
| 553 | * @retval None
|
---|
| 554 | */
|
---|
| 555 | __weak void HAL_DCMI_LineEventCallback(DCMI_HandleTypeDef *hdcmi)
|
---|
| 556 | {
|
---|
| 557 | /* NOTE : This function Should not be modified, when the callback is needed,
|
---|
| 558 | the HAL_DCMI_LineEventCallback could be implemented in the user file
|
---|
| 559 | */
|
---|
| 560 | }
|
---|
| 561 |
|
---|
| 562 | /**
|
---|
| 563 | * @brief VSYNC Event callback.
|
---|
| 564 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
|
---|
| 565 | * the configuration information for DCMI.
|
---|
| 566 | * @retval None
|
---|
| 567 | */
|
---|
| 568 | __weak void HAL_DCMI_VsyncEventCallback(DCMI_HandleTypeDef *hdcmi)
|
---|
| 569 | {
|
---|
| 570 | /* NOTE : This function Should not be modified, when the callback is needed,
|
---|
| 571 | the HAL_DCMI_VsyncEventCallback could be implemented in the user file
|
---|
| 572 | */
|
---|
| 573 | }
|
---|
| 574 |
|
---|
| 575 | /**
|
---|
| 576 | * @brief Frame Event callback.
|
---|
| 577 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
|
---|
| 578 | * the configuration information for DCMI.
|
---|
| 579 | * @retval None
|
---|
| 580 | */
|
---|
| 581 | __weak void HAL_DCMI_FrameEventCallback(DCMI_HandleTypeDef *hdcmi)
|
---|
| 582 | {
|
---|
| 583 | /* NOTE : This function Should not be modified, when the callback is needed,
|
---|
| 584 | the HAL_DCMI_FrameEventCallback could be implemented in the user file
|
---|
| 585 | */
|
---|
| 586 | }
|
---|
| 587 |
|
---|
| 588 | /**
|
---|
| 589 | * @}
|
---|
| 590 | */
|
---|
| 591 |
|
---|
| 592 | /** @defgroup DCMI_Exported_Functions_Group3 Peripheral Control functions
|
---|
| 593 | * @brief Peripheral Control functions
|
---|
| 594 | *
|
---|
| 595 | @verbatim
|
---|
| 596 | ===============================================================================
|
---|
| 597 | ##### Peripheral Control functions #####
|
---|
| 598 | ===============================================================================
|
---|
| 599 | [..] This section provides functions allowing to:
|
---|
| 600 | (+) Configure the CROP feature.
|
---|
| 601 | (+) Enable/Disable the CROP feature.
|
---|
| 602 |
|
---|
| 603 | @endverbatim
|
---|
| 604 | * @{
|
---|
| 605 | */
|
---|
| 606 |
|
---|
| 607 | /**
|
---|
| 608 | * @brief Configure the DCMI CROP coordinate.
|
---|
| 609 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
|
---|
| 610 | * the configuration information for DCMI.
|
---|
| 611 | * @param X0: DCMI window X offset
|
---|
| 612 | * @param Y0: DCMI window Y offset
|
---|
| 613 | * @param XSize: DCMI Pixel per line
|
---|
| 614 | * @param YSize: DCMI Line number
|
---|
| 615 | * @retval HAL status
|
---|
| 616 | */
|
---|
| 617 | HAL_StatusTypeDef HAL_DCMI_ConfigCROP(DCMI_HandleTypeDef *hdcmi, uint32_t X0, uint32_t Y0, uint32_t XSize, uint32_t YSize)
|
---|
| 618 | {
|
---|
| 619 | /* Process Locked */
|
---|
| 620 | __HAL_LOCK(hdcmi);
|
---|
| 621 |
|
---|
| 622 | /* Lock the DCMI peripheral state */
|
---|
| 623 | hdcmi->State = HAL_DCMI_STATE_BUSY;
|
---|
| 624 |
|
---|
| 625 | /* Check the parameters */
|
---|
| 626 | assert_param(IS_DCMI_WINDOW_COORDINATE(X0));
|
---|
| 627 | assert_param(IS_DCMI_WINDOW_COORDINATE(YSize));
|
---|
| 628 | assert_param(IS_DCMI_WINDOW_COORDINATE(XSize));
|
---|
| 629 | assert_param(IS_DCMI_WINDOW_HEIGHT(Y0));
|
---|
| 630 |
|
---|
| 631 | /* Configure CROP */
|
---|
| 632 | DCMI->CWSIZER = (XSize | (YSize << 16));
|
---|
| 633 | DCMI->CWSTRTR = (X0 | (Y0 << 16));
|
---|
| 634 |
|
---|
| 635 | /* Initialize the DCMI state*/
|
---|
| 636 | hdcmi->State = HAL_DCMI_STATE_READY;
|
---|
| 637 |
|
---|
| 638 | /* Process Unlocked */
|
---|
| 639 | __HAL_UNLOCK(hdcmi);
|
---|
| 640 |
|
---|
| 641 | return HAL_OK;
|
---|
| 642 | }
|
---|
| 643 |
|
---|
| 644 | /**
|
---|
| 645 | * @brief Disable the Crop feature.
|
---|
| 646 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
|
---|
| 647 | * the configuration information for DCMI.
|
---|
| 648 | * @retval HAL status
|
---|
| 649 | */
|
---|
| 650 | HAL_StatusTypeDef HAL_DCMI_DisableCROP(DCMI_HandleTypeDef *hdcmi)
|
---|
| 651 | {
|
---|
| 652 | /* Process Locked */
|
---|
| 653 | __HAL_LOCK(hdcmi);
|
---|
| 654 |
|
---|
| 655 | /* Lock the DCMI peripheral state */
|
---|
| 656 | hdcmi->State = HAL_DCMI_STATE_BUSY;
|
---|
| 657 |
|
---|
| 658 | /* Disable DCMI Crop feature */
|
---|
| 659 | DCMI->CR &= ~(uint32_t)DCMI_CR_CROP;
|
---|
| 660 |
|
---|
| 661 | /* Change the DCMI state*/
|
---|
| 662 | hdcmi->State = HAL_DCMI_STATE_READY;
|
---|
| 663 |
|
---|
| 664 | /* Process Unlocked */
|
---|
| 665 | __HAL_UNLOCK(hdcmi);
|
---|
| 666 |
|
---|
| 667 | return HAL_OK;
|
---|
| 668 | }
|
---|
| 669 |
|
---|
| 670 | /**
|
---|
| 671 | * @brief Enable the Crop feature.
|
---|
| 672 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
|
---|
| 673 | * the configuration information for DCMI.
|
---|
| 674 | * @retval HAL status
|
---|
| 675 | */
|
---|
| 676 | HAL_StatusTypeDef HAL_DCMI_EnableCROP(DCMI_HandleTypeDef *hdcmi)
|
---|
| 677 | {
|
---|
| 678 | /* Process Locked */
|
---|
| 679 | __HAL_LOCK(hdcmi);
|
---|
| 680 |
|
---|
| 681 | /* Lock the DCMI peripheral state */
|
---|
| 682 | hdcmi->State = HAL_DCMI_STATE_BUSY;
|
---|
| 683 |
|
---|
| 684 | /* Enable DCMI Crop feature */
|
---|
| 685 | DCMI->CR |= (uint32_t)DCMI_CR_CROP;
|
---|
| 686 |
|
---|
| 687 | /* Change the DCMI state*/
|
---|
| 688 | hdcmi->State = HAL_DCMI_STATE_READY;
|
---|
| 689 |
|
---|
| 690 | /* Process Unlocked */
|
---|
| 691 | __HAL_UNLOCK(hdcmi);
|
---|
| 692 |
|
---|
| 693 | return HAL_OK;
|
---|
| 694 | }
|
---|
| 695 |
|
---|
| 696 | /**
|
---|
| 697 | * @}
|
---|
| 698 | */
|
---|
| 699 |
|
---|
| 700 | /** @defgroup DCMI_Exported_Functions_Group4 Peripheral State functions
|
---|
| 701 | * @brief Peripheral State functions
|
---|
| 702 | *
|
---|
| 703 | @verbatim
|
---|
| 704 | ===============================================================================
|
---|
| 705 | ##### Peripheral State and Errors functions #####
|
---|
| 706 | ===============================================================================
|
---|
| 707 | [..]
|
---|
| 708 | This subsection provides functions allowing to
|
---|
| 709 | (+) Check the DCMI state.
|
---|
| 710 | (+) Get the specific DCMI error flag.
|
---|
| 711 |
|
---|
| 712 | @endverbatim
|
---|
| 713 | * @{
|
---|
| 714 | */
|
---|
| 715 |
|
---|
| 716 | /**
|
---|
| 717 | * @brief Return the DCMI state
|
---|
| 718 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
|
---|
| 719 | * the configuration information for DCMI.
|
---|
| 720 | * @retval HAL state
|
---|
| 721 | */
|
---|
| 722 | HAL_DCMI_StateTypeDef HAL_DCMI_GetState(DCMI_HandleTypeDef *hdcmi)
|
---|
| 723 | {
|
---|
| 724 | return hdcmi->State;
|
---|
| 725 | }
|
---|
| 726 |
|
---|
| 727 | /**
|
---|
| 728 | * @brief Return the DCMI error code
|
---|
| 729 | * @param hdcmi : pointer to a DCMI_HandleTypeDef structure that contains
|
---|
| 730 | * the configuration information for DCMI.
|
---|
| 731 | * @retval DCMI Error Code
|
---|
| 732 | */
|
---|
| 733 | uint32_t HAL_DCMI_GetError(DCMI_HandleTypeDef *hdcmi)
|
---|
| 734 | {
|
---|
| 735 | return hdcmi->ErrorCode;
|
---|
| 736 | }
|
---|
| 737 |
|
---|
| 738 | /**
|
---|
| 739 | * @}
|
---|
| 740 | */
|
---|
| 741 | /* Private functions ---------------------------------------------------------*/
|
---|
| 742 | /** @defgroup DCMI_Private_Functions DCMI Private Functions
|
---|
| 743 | * @{
|
---|
| 744 | */
|
---|
| 745 |
|
---|
| 746 | /**
|
---|
| 747 | * @brief DMA conversion complete callback.
|
---|
| 748 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
|
---|
| 749 | * the configuration information for the specified DMA module.
|
---|
| 750 | * @retval None
|
---|
| 751 | */
|
---|
| 752 | static void DCMI_DMAConvCplt(DMA_HandleTypeDef *hdma)
|
---|
| 753 | {
|
---|
| 754 | uint32_t tmp = 0;
|
---|
| 755 |
|
---|
| 756 | DCMI_HandleTypeDef* hdcmi = ( DCMI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
|
---|
| 757 | hdcmi->State= HAL_DCMI_STATE_READY;
|
---|
| 758 |
|
---|
| 759 | if(hdcmi->XferCount != 0)
|
---|
| 760 | {
|
---|
| 761 | /* Update memory 0 address location */
|
---|
| 762 | tmp = ((hdcmi->DMA_Handle->Instance->CR) & DMA_SxCR_CT);
|
---|
| 763 | if(((hdcmi->XferCount % 2) == 0) && (tmp != 0))
|
---|
| 764 | {
|
---|
| 765 | tmp = hdcmi->DMA_Handle->Instance->M0AR;
|
---|
| 766 | HAL_DMAEx_ChangeMemory(hdcmi->DMA_Handle, (tmp + (8*hdcmi->XferSize)), MEMORY0);
|
---|
| 767 | hdcmi->XferCount--;
|
---|
| 768 | }
|
---|
| 769 | /* Update memory 1 address location */
|
---|
| 770 | else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) == 0)
|
---|
| 771 | {
|
---|
| 772 | tmp = hdcmi->DMA_Handle->Instance->M1AR;
|
---|
| 773 | HAL_DMAEx_ChangeMemory(hdcmi->DMA_Handle, (tmp + (8*hdcmi->XferSize)), MEMORY1);
|
---|
| 774 | hdcmi->XferCount--;
|
---|
| 775 | }
|
---|
| 776 | }
|
---|
| 777 | /* Update memory 0 address location */
|
---|
| 778 | else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) != 0)
|
---|
| 779 | {
|
---|
| 780 | hdcmi->DMA_Handle->Instance->M0AR = hdcmi->pBuffPtr;
|
---|
| 781 | }
|
---|
| 782 | /* Update memory 1 address location */
|
---|
| 783 | else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) == 0)
|
---|
| 784 | {
|
---|
| 785 | tmp = hdcmi->pBuffPtr;
|
---|
| 786 | hdcmi->DMA_Handle->Instance->M1AR = (tmp + (4*hdcmi->XferSize));
|
---|
| 787 | hdcmi->XferCount = hdcmi->XferTransferNumber;
|
---|
| 788 | }
|
---|
| 789 |
|
---|
| 790 | if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_FRAMERI) != RESET)
|
---|
| 791 | {
|
---|
| 792 | /* Process Unlocked */
|
---|
| 793 | __HAL_UNLOCK(hdcmi);
|
---|
| 794 |
|
---|
| 795 | /* FRAME Callback */
|
---|
| 796 | HAL_DCMI_FrameEventCallback(hdcmi);
|
---|
| 797 | }
|
---|
| 798 | }
|
---|
| 799 |
|
---|
| 800 | /**
|
---|
| 801 | * @brief DMA error callback
|
---|
| 802 | * @param hdma: pointer to a DMA_HandleTypeDef structure that contains
|
---|
| 803 | * the configuration information for the specified DMA module.
|
---|
| 804 | * @retval None
|
---|
| 805 | */
|
---|
| 806 | static void DCMI_DMAError(DMA_HandleTypeDef *hdma)
|
---|
| 807 | {
|
---|
| 808 | DCMI_HandleTypeDef* hdcmi = ( DCMI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
|
---|
| 809 | hdcmi->State= HAL_DCMI_STATE_READY;
|
---|
| 810 | HAL_DCMI_ErrorCallback(hdcmi);
|
---|
| 811 | }
|
---|
| 812 |
|
---|
| 813 | /**
|
---|
| 814 | * @}
|
---|
| 815 | */
|
---|
| 816 |
|
---|
| 817 | /**
|
---|
| 818 | * @}
|
---|
| 819 | */
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| 820 | #endif /* STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx ||\
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| 821 | STM32F429xx || STM32F439xx || STM32F446xx || STM32F469xx ||\
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| 822 | STM32F479xx */
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| 823 | #endif /* HAL_DCMI_MODULE_ENABLED */
|
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| 824 | /**
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| 825 | * @}
|
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| 826 | */
|
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| 827 |
|
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| 828 | /**
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| 829 | * @}
|
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| 830 | */
|
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| 831 |
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| 832 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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