| 1 | /**
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| 2 | ******************************************************************************
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| 3 | * @file stm32f4xx_hal_dcmi_ex.c
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| 4 | * @author MCD Application Team
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| 5 | * @version V1.4.1
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| 6 | * @date 09-October-2015
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| 7 | * @brief DCMI Extension HAL module driver.
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| 8 | * This file provides firmware functions to manage the following
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| 9 | * functionalities of DCMI extension peripheral:
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| 10 | * + Extension features functions
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| 11 | *
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| 12 | @verbatim
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| 13 | ==============================================================================
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| 14 | ##### DCMI peripheral extension features #####
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| 15 | ==============================================================================
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| 16 |
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| 17 | [..] Comparing to other previous devices, the DCMI interface for STM32F446xx
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| 18 | devices contains the following additional features :
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| 19 |
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| 20 | (+) Support of Black and White cameras
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| 21 |
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| 22 | ##### How to use this driver #####
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| 23 | ==============================================================================
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| 24 | [..] This driver provides functions to manage the Black and White feature
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| 25 |
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| 26 | @endverbatim
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| 27 | ******************************************************************************
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| 28 | * @attention
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| 29 | *
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| 30 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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| 31 | *
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| 32 | * Redistribution and use in source and binary forms, with or without modification,
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| 33 | * are permitted provided that the following conditions are met:
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| 34 | * 1. Redistributions of source code must retain the above copyright notice,
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| 35 | * this list of conditions and the following disclaimer.
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| 36 | * 2. Redistributions in binary form must reproduce the above copyright notice,
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| 37 | * this list of conditions and the following disclaimer in the documentation
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| 38 | * and/or other materials provided with the distribution.
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| 39 | * 3. Neither the name of STMicroelectronics nor the names of its contributors
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| 40 | * may be used to endorse or promote products derived from this software
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| 41 | * without specific prior written permission.
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| 42 | *
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| 43 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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| 44 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 45 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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| 46 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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| 47 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 48 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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| 49 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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| 50 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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| 51 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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| 52 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 53 | *
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| 54 | ******************************************************************************
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| 55 | */
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| 56 |
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| 57 | /* Includes ------------------------------------------------------------------*/
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| 58 | #include "stm32f4xx_hal.h"
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| 59 |
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| 60 | /** @addtogroup STM32F4xx_HAL_Driver
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| 61 | * @{
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| 62 | */
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| 63 | /** @defgroup DCMIEx DCMIEx
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| 64 | * @brief DCMI Extended HAL module driver
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| 65 | * @{
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| 66 | */
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| 67 |
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| 68 | #ifdef HAL_DCMI_MODULE_ENABLED
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| 69 |
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| 70 | #if defined(STM32F407xx) || defined(STM32F417xx) || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) ||\
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| 71 | defined(STM32F439xx) || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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| 72 | /* Private typedef -----------------------------------------------------------*/
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| 73 | /* Private define ------------------------------------------------------------*/
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| 74 | /* Private macro -------------------------------------------------------------*/
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| 75 | /* Private variables ---------------------------------------------------------*/
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| 76 | /* Private function prototypes -----------------------------------------------*/
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| 77 | /* Exported functions --------------------------------------------------------*/
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| 78 |
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| 79 | /** @defgroup DCMIEx_Exported_Functions DCMI Extended Exported Functions
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| 80 | * @{
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| 81 | */
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| 82 |
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| 83 | /** @defgroup DCMIEx_Exported_Functions_Group1 Initialization and Configuration functions
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| 84 | * @brief Initialization and Configuration functions
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| 85 | *
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| 86 | @verbatim
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| 87 | ===============================================================================
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| 88 | ##### Initialization and Configuration functions #####
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| 89 | ===============================================================================
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| 90 | [..] This section provides functions allowing to:
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| 91 | (+) Initialize and configure the DCMI
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| 92 | (+) De-initialize the DCMI
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| 93 |
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| 94 | @endverbatim
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| 95 | * @{
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| 96 | */
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| 97 |
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| 98 | /**
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| 99 | * @brief Initializes the DCMI according to the specified
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| 100 | * parameters in the DCMI_InitTypeDef and create the associated handle.
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| 101 | * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
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| 102 | * the configuration information for DCMI.
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| 103 | * @retval HAL status
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| 104 | */
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| 105 | HAL_StatusTypeDef HAL_DCMI_Init(DCMI_HandleTypeDef *hdcmi)
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| 106 | {
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| 107 | /* Check the DCMI peripheral state */
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| 108 | if(hdcmi == NULL)
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| 109 | {
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| 110 | return HAL_ERROR;
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| 111 | }
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| 112 |
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| 113 | /* Check function parameters */
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| 114 | assert_param(IS_DCMI_ALL_INSTANCE(hdcmi->Instance));
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| 115 | assert_param(IS_DCMI_PCKPOLARITY(hdcmi->Init.PCKPolarity));
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| 116 | assert_param(IS_DCMI_VSPOLARITY(hdcmi->Init.VSPolarity));
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| 117 | assert_param(IS_DCMI_HSPOLARITY(hdcmi->Init.HSPolarity));
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| 118 | assert_param(IS_DCMI_SYNCHRO(hdcmi->Init.SynchroMode));
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| 119 | assert_param(IS_DCMI_CAPTURE_RATE(hdcmi->Init.CaptureRate));
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| 120 | assert_param(IS_DCMI_EXTENDED_DATA(hdcmi->Init.ExtendedDataMode));
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| 121 | assert_param(IS_DCMI_MODE_JPEG(hdcmi->Init.JPEGMode));
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| 122 | #if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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| 123 | assert_param(IS_DCMI_BYTE_SELECT_MODE(hdcmi->Init.ByteSelectMode));
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| 124 | assert_param(IS_DCMI_BYTE_SELECT_START(hdcmi->Init.ByteSelectStart));
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| 125 | assert_param(IS_DCMI_LINE_SELECT_MODE(hdcmi->Init.LineSelectMode));
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| 126 | assert_param(IS_DCMI_LINE_SELECT_START(hdcmi->Init.LineSelectStart));
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| 127 | #endif /* STM32F446xx || STM32F469xx || STM32F479xx */
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| 128 | if(hdcmi->State == HAL_DCMI_STATE_RESET)
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| 129 | {
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| 130 | /* Init the low level hardware */
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| 131 | HAL_DCMI_MspInit(hdcmi);
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| 132 | }
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| 133 |
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| 134 | /* Change the DCMI state */
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| 135 | hdcmi->State = HAL_DCMI_STATE_BUSY;
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| 136 | /* Configures the HS, VS, DE and PC polarity */
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| 137 | hdcmi->Instance->CR &= ~(DCMI_CR_PCKPOL | DCMI_CR_HSPOL | DCMI_CR_VSPOL | DCMI_CR_EDM_0 |\
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| 138 | DCMI_CR_EDM_1 | DCMI_CR_FCRC_0 | DCMI_CR_FCRC_1 | DCMI_CR_JPEG |\
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| 139 | DCMI_CR_ESS
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| 140 | #if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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| 141 | | DCMI_CR_BSM_0 | DCMI_CR_BSM_1 | DCMI_CR_OEBS |\
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| 142 | DCMI_CR_LSM | DCMI_CR_OELS
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| 143 | #endif /* STM32F446xx || STM32F469xx || STM32F479xx */
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| 144 | );
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| 145 | hdcmi->Instance->CR |= (uint32_t)(hdcmi->Init.SynchroMode | hdcmi->Init.CaptureRate |\
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| 146 | hdcmi->Init.VSPolarity | hdcmi->Init.HSPolarity |\
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| 147 | hdcmi->Init.PCKPolarity | hdcmi->Init.ExtendedDataMode |\
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| 148 | hdcmi->Init.JPEGMode
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| 149 | #if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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| 150 | | hdcmi->Init.ByteSelectMode |\
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| 151 | hdcmi->Init.ByteSelectStart | hdcmi->Init.LineSelectMode |\
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| 152 | hdcmi->Init.LineSelectStart
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| 153 | #endif /* STM32F446xx || STM32F469xx || STM32F479xx */
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| 154 | );
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| 155 | if(hdcmi->Init.SynchroMode == DCMI_SYNCHRO_EMBEDDED)
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| 156 | {
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| 157 | DCMI->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) |
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| 158 | ((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << 8)|
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| 159 | ((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << 16) |
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| 160 | ((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << 24));
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| 161 |
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| 162 | }
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| 163 |
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| 164 | /* Enable the Line interrupt */
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| 165 | __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE);
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| 166 |
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| 167 | /* Enable the VSYNC interrupt */
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| 168 | __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_VSYNC);
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| 169 |
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| 170 | /* Enable the Frame capture complete interrupt */
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| 171 | __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_FRAME);
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| 172 |
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| 173 | /* Enable the Synchronization error interrupt */
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| 174 | __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_ERR);
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| 175 |
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| 176 | /* Enable the Overflow interrupt */
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| 177 | __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_OVF);
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| 178 |
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| 179 | /* Enable DCMI by setting DCMIEN bit */
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| 180 | __HAL_DCMI_ENABLE(hdcmi);
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| 181 |
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| 182 | /* Update error code */
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| 183 | hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE;
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| 184 |
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| 185 | /* Initialize the DCMI state*/
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| 186 | hdcmi->State = HAL_DCMI_STATE_READY;
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| 187 |
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| 188 | return HAL_OK;
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| 189 | }
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| 190 |
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| 191 |
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| 192 | /**
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| 193 | * @}
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| 194 | */
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| 195 |
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| 196 | /**
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| 197 | * @}
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| 198 | */
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| 199 |
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| 200 | /**
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| 201 | * @}
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| 202 | */
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| 203 | #endif /* STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx ||\
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| 204 | STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */
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| 205 | #endif /* HAL_DCMI_MODULE_ENABLED */
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| 206 | /**
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| 207 | * @}
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| 208 | */
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| 209 |
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| 210 | /**
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| 211 | * @}
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| 212 | */
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| 213 |
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| 214 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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