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Last commit 20 Feb 2019 by mbed official

targets/cmsis/TARGET_STM/TARGET_STM32F7/stm32f7xx_hal_dcmi_ex.c@610:813dcc80987e, 2015-08-14 (annotated)

Committer:
mbed_official
Date:
Fri Aug 14 13:15:17 2015 +0100
Revision:
610:813dcc80987e
Parent:
573:ad23fe03a082 
Synchronized with git revision 6d84db41c6833e0b9b024741eb0616a5f62d5599



Full URL: https://github.com/mbedmicro/mbed/commit/6d84db41c6833e0b9b024741eb0616a5f62d5599/



DISCO_F746NG - Improvements

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 573:ad23fe03a082 1 /**
mbed_official 573:ad23fe03a082 2 ******************************************************************************
mbed_official 573:ad23fe03a082 3 * @file stm32f7xx_hal_dcmi_ex.c
mbed_official 573:ad23fe03a082 4 * @author MCD Application Team
mbed_official 610:813dcc80987e 5 * @version V1.0.1
mbed_official 610:813dcc80987e 6 * @date 25-June-2015
mbed_official 573:ad23fe03a082 7 * @brief DCMI Extension HAL module driver.
mbed_official 573:ad23fe03a082 8 * This file provides firmware functions to manage the following
mbed_official 573:ad23fe03a082 9 * functionalities of DCMI extension peripheral:
mbed_official 573:ad23fe03a082 10 * + Extension features functions
mbed_official 573:ad23fe03a082 11 *
mbed_official 573:ad23fe03a082 12 @verbatim
mbed_official 573:ad23fe03a082 13 ==============================================================================
mbed_official 573:ad23fe03a082 14 ##### DCMI peripheral extension features #####
mbed_official 573:ad23fe03a082 15 ==============================================================================
mbed_official 573:ad23fe03a082 16
mbed_official 573:ad23fe03a082 17 [..] Support of Black and White cameras
mbed_official 573:ad23fe03a082 18
mbed_official 573:ad23fe03a082 19 ##### How to use this driver #####
mbed_official 573:ad23fe03a082 20 ==============================================================================
mbed_official 573:ad23fe03a082 21 [..] This driver provides functions to manage the Black and White feature
mbed_official 573:ad23fe03a082 22
mbed_official 573:ad23fe03a082 23 @endverbatim
mbed_official 573:ad23fe03a082 24 ******************************************************************************
mbed_official 573:ad23fe03a082 25 * @attention
mbed_official 573:ad23fe03a082 26 *
mbed_official 573:ad23fe03a082 27 * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
mbed_official 573:ad23fe03a082 28 *
mbed_official 573:ad23fe03a082 29 * Redistribution and use in source and binary forms, with or without modification,
mbed_official 573:ad23fe03a082 30 * are permitted provided that the following conditions are met:
mbed_official 573:ad23fe03a082 31 * 1. Redistributions of source code must retain the above copyright notice,
mbed_official 573:ad23fe03a082 32 * this list of conditions and the following disclaimer.
mbed_official 573:ad23fe03a082 33 * 2. Redistributions in binary form must reproduce the above copyright notice,
mbed_official 573:ad23fe03a082 34 * this list of conditions and the following disclaimer in the documentation
mbed_official 573:ad23fe03a082 35 * and/or other materials provided with the distribution.
mbed_official 573:ad23fe03a082 36 * 3. Neither the name of STMicroelectronics nor the names of its contributors
mbed_official 573:ad23fe03a082 37 * may be used to endorse or promote products derived from this software
mbed_official 573:ad23fe03a082 38 * without specific prior written permission.
mbed_official 573:ad23fe03a082 39 *
mbed_official 573:ad23fe03a082 40 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
mbed_official 573:ad23fe03a082 41 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
mbed_official 573:ad23fe03a082 42 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
mbed_official 573:ad23fe03a082 43 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
mbed_official 573:ad23fe03a082 44 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
mbed_official 573:ad23fe03a082 45 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
mbed_official 573:ad23fe03a082 46 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
mbed_official 573:ad23fe03a082 47 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
mbed_official 573:ad23fe03a082 48 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
mbed_official 573:ad23fe03a082 49 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
mbed_official 573:ad23fe03a082 50 *
mbed_official 573:ad23fe03a082 51 ******************************************************************************
mbed_official 573:ad23fe03a082 52 */
mbed_official 573:ad23fe03a082 53
mbed_official 573:ad23fe03a082 54 /* Includes ------------------------------------------------------------------*/
mbed_official 573:ad23fe03a082 55 #include "stm32f7xx_hal.h"
mbed_official 573:ad23fe03a082 56
mbed_official 573:ad23fe03a082 57 /** @addtogroup STM32F7xx_HAL_Driver
mbed_official 573:ad23fe03a082 58 * @{
mbed_official 573:ad23fe03a082 59 */
mbed_official 573:ad23fe03a082 60 /** @defgroup DCMIEx DCMIEx
mbed_official 573:ad23fe03a082 61 * @brief DCMI Extended HAL module driver
mbed_official 573:ad23fe03a082 62 * @{
mbed_official 573:ad23fe03a082 63 */
mbed_official 573:ad23fe03a082 64
mbed_official 573:ad23fe03a082 65 #ifdef HAL_DCMI_MODULE_ENABLED
mbed_official 573:ad23fe03a082 66
mbed_official 573:ad23fe03a082 67 /* Private typedef -----------------------------------------------------------*/
mbed_official 573:ad23fe03a082 68 /* Private define ------------------------------------------------------------*/
mbed_official 573:ad23fe03a082 69 /* Private macro -------------------------------------------------------------*/
mbed_official 573:ad23fe03a082 70 /* Private variables ---------------------------------------------------------*/
mbed_official 573:ad23fe03a082 71 /* Private function prototypes -----------------------------------------------*/
mbed_official 573:ad23fe03a082 72 /* Exported functions --------------------------------------------------------*/
mbed_official 573:ad23fe03a082 73
mbed_official 573:ad23fe03a082 74 /** @defgroup DCMIEx_Exported_Functions DCMIEx Exported Functions
mbed_official 573:ad23fe03a082 75 * @{
mbed_official 573:ad23fe03a082 76 */
mbed_official 573:ad23fe03a082 77
mbed_official 573:ad23fe03a082 78 /** @defgroup DCMIEx_Exported_Functions_Group1 Initialization and Configuration functions
mbed_official 573:ad23fe03a082 79 * @brief Initialization and Configuration functions
mbed_official 573:ad23fe03a082 80 *
mbed_official 573:ad23fe03a082 81 @verbatim
mbed_official 573:ad23fe03a082 82 ===============================================================================
mbed_official 573:ad23fe03a082 83 ##### Initialization and Configuration functions #####
mbed_official 573:ad23fe03a082 84 ===============================================================================
mbed_official 573:ad23fe03a082 85 [..] This section provides functions allowing to:
mbed_official 573:ad23fe03a082 86 (+) Initialize and configure the DCMI
mbed_official 573:ad23fe03a082 87 (+) De-initialize the DCMI
mbed_official 573:ad23fe03a082 88
mbed_official 573:ad23fe03a082 89 @endverbatim
mbed_official 573:ad23fe03a082 90 * @{
mbed_official 573:ad23fe03a082 91 */
mbed_official 573:ad23fe03a082 92
mbed_official 573:ad23fe03a082 93 /**
mbed_official 573:ad23fe03a082 94 * @brief Initializes the DCMI according to the specified
mbed_official 573:ad23fe03a082 95 * parameters in the DCMI_InitTypeDef and create the associated handle.
mbed_official 573:ad23fe03a082 96 * @param hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
mbed_official 573:ad23fe03a082 97 * the configuration information for DCMI.
mbed_official 573:ad23fe03a082 98 * @retval HAL status
mbed_official 573:ad23fe03a082 99 */
mbed_official 573:ad23fe03a082 100 HAL_StatusTypeDef HAL_DCMI_Init(DCMI_HandleTypeDef *hdcmi)
mbed_official 573:ad23fe03a082 101 {
mbed_official 573:ad23fe03a082 102 /* Check the DCMI peripheral state */
mbed_official 573:ad23fe03a082 103 if(hdcmi == NULL)
mbed_official 573:ad23fe03a082 104 {
mbed_official 573:ad23fe03a082 105 return HAL_ERROR;
mbed_official 573:ad23fe03a082 106 }
mbed_official 573:ad23fe03a082 107
mbed_official 573:ad23fe03a082 108 /* Check function parameters */
mbed_official 573:ad23fe03a082 109 assert_param(IS_DCMI_ALL_INSTANCE(hdcmi->Instance));
mbed_official 573:ad23fe03a082 110 assert_param(IS_DCMI_PCKPOLARITY(hdcmi->Init.PCKPolarity));
mbed_official 573:ad23fe03a082 111 assert_param(IS_DCMI_VSPOLARITY(hdcmi->Init.VSPolarity));
mbed_official 573:ad23fe03a082 112 assert_param(IS_DCMI_HSPOLARITY(hdcmi->Init.HSPolarity));
mbed_official 573:ad23fe03a082 113 assert_param(IS_DCMI_SYNCHRO(hdcmi->Init.SynchroMode));
mbed_official 573:ad23fe03a082 114 assert_param(IS_DCMI_CAPTURE_RATE(hdcmi->Init.CaptureRate));
mbed_official 573:ad23fe03a082 115 assert_param(IS_DCMI_EXTENDED_DATA(hdcmi->Init.ExtendedDataMode));
mbed_official 573:ad23fe03a082 116 assert_param(IS_DCMI_MODE_JPEG(hdcmi->Init.JPEGMode));
mbed_official 573:ad23fe03a082 117
mbed_official 573:ad23fe03a082 118 assert_param(IS_DCMI_BYTE_SELECT_MODE(hdcmi->Init.ByteSelectMode));
mbed_official 573:ad23fe03a082 119 assert_param(IS_DCMI_BYTE_SELECT_START(hdcmi->Init.ByteSelectStart));
mbed_official 573:ad23fe03a082 120 assert_param(IS_DCMI_LINE_SELECT_MODE(hdcmi->Init.LineSelectMode));
mbed_official 573:ad23fe03a082 121 assert_param(IS_DCMI_LINE_SELECT_START(hdcmi->Init.LineSelectStart));
mbed_official 573:ad23fe03a082 122
mbed_official 573:ad23fe03a082 123 if(hdcmi->State == HAL_DCMI_STATE_RESET)
mbed_official 573:ad23fe03a082 124 {
mbed_official 573:ad23fe03a082 125 /* Init the low level hardware */
mbed_official 573:ad23fe03a082 126 HAL_DCMI_MspInit(hdcmi);
mbed_official 573:ad23fe03a082 127 }
mbed_official 573:ad23fe03a082 128
mbed_official 573:ad23fe03a082 129 /* Change the DCMI state */
mbed_official 573:ad23fe03a082 130 hdcmi->State = HAL_DCMI_STATE_BUSY;
mbed_official 573:ad23fe03a082 131 /* Configures the HS, VS, DE and PC polarity */
mbed_official 573:ad23fe03a082 132 hdcmi->Instance->CR &= ~(DCMI_CR_PCKPOL | DCMI_CR_HSPOL | DCMI_CR_VSPOL | DCMI_CR_EDM_0 |\
mbed_official 573:ad23fe03a082 133 DCMI_CR_EDM_1 | DCMI_CR_FCRC_0 | DCMI_CR_FCRC_1 | DCMI_CR_JPEG |\
mbed_official 573:ad23fe03a082 134 DCMI_CR_ESS | DCMI_CR_BSM_0 | DCMI_CR_BSM_1 | DCMI_CR_OEBS |\
mbed_official 573:ad23fe03a082 135 DCMI_CR_LSM | DCMI_CR_OELS);
mbed_official 573:ad23fe03a082 136
mbed_official 573:ad23fe03a082 137 hdcmi->Instance->CR |= (uint32_t)(hdcmi->Init.SynchroMode | hdcmi->Init.CaptureRate |\
mbed_official 573:ad23fe03a082 138 hdcmi->Init.VSPolarity | hdcmi->Init.HSPolarity |\
mbed_official 573:ad23fe03a082 139 hdcmi->Init.PCKPolarity | hdcmi->Init.ExtendedDataMode |\
mbed_official 573:ad23fe03a082 140 hdcmi->Init.JPEGMode | hdcmi->Init.ByteSelectMode |\
mbed_official 573:ad23fe03a082 141 hdcmi->Init.ByteSelectStart | hdcmi->Init.LineSelectMode |\
mbed_official 573:ad23fe03a082 142 hdcmi->Init.LineSelectStart);
mbed_official 573:ad23fe03a082 143
mbed_official 573:ad23fe03a082 144 if(hdcmi->Init.SynchroMode == DCMI_SYNCHRO_EMBEDDED)
mbed_official 573:ad23fe03a082 145 {
mbed_official 573:ad23fe03a082 146 DCMI->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) |
mbed_official 573:ad23fe03a082 147 ((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << 8)|
mbed_official 573:ad23fe03a082 148 ((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << 16) |
mbed_official 573:ad23fe03a082 149 ((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << 24));
mbed_official 573:ad23fe03a082 150
mbed_official 573:ad23fe03a082 151 }
mbed_official 573:ad23fe03a082 152
mbed_official 573:ad23fe03a082 153 /* Enable the Line interrupt */
mbed_official 573:ad23fe03a082 154 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE);
mbed_official 573:ad23fe03a082 155
mbed_official 573:ad23fe03a082 156 /* Enable the VSYNC interrupt */
mbed_official 573:ad23fe03a082 157 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_VSYNC);
mbed_official 573:ad23fe03a082 158
mbed_official 573:ad23fe03a082 159 /* Enable the Frame capture complete interrupt */
mbed_official 573:ad23fe03a082 160 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_FRAME);
mbed_official 573:ad23fe03a082 161
mbed_official 573:ad23fe03a082 162 /* Enable the Synchronization error interrupt */
mbed_official 573:ad23fe03a082 163 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_ERR);
mbed_official 573:ad23fe03a082 164
mbed_official 573:ad23fe03a082 165 /* Enable the Overflow interrupt */
mbed_official 573:ad23fe03a082 166 __HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_OVF);
mbed_official 573:ad23fe03a082 167
mbed_official 573:ad23fe03a082 168 /* Enable DCMI by setting DCMIEN bit */
mbed_official 573:ad23fe03a082 169 __HAL_DCMI_ENABLE(hdcmi);
mbed_official 573:ad23fe03a082 170
mbed_official 573:ad23fe03a082 171 /* Update error code */
mbed_official 573:ad23fe03a082 172 hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE;
mbed_official 573:ad23fe03a082 173
mbed_official 573:ad23fe03a082 174 /* Initialize the DCMI state*/
mbed_official 573:ad23fe03a082 175 hdcmi->State = HAL_DCMI_STATE_READY;
mbed_official 573:ad23fe03a082 176
mbed_official 573:ad23fe03a082 177 return HAL_OK;
mbed_official 573:ad23fe03a082 178 }
mbed_official 573:ad23fe03a082 179
mbed_official 573:ad23fe03a082 180
mbed_official 573:ad23fe03a082 181 /**
mbed_official 573:ad23fe03a082 182 * @}
mbed_official 573:ad23fe03a082 183 */
mbed_official 573:ad23fe03a082 184
mbed_official 573:ad23fe03a082 185 /**
mbed_official 573:ad23fe03a082 186 * @}
mbed_official 573:ad23fe03a082 187 */
mbed_official 573:ad23fe03a082 188
mbed_official 573:ad23fe03a082 189 /**
mbed_official 573:ad23fe03a082 190 * @}
mbed_official 573:ad23fe03a082 191 */
mbed_official 573:ad23fe03a082 192 #endif /* HAL_DCMI_MODULE_ENABLED */
mbed_official 573:ad23fe03a082 193 /**
mbed_official 573:ad23fe03a082 194 * @}
mbed_official 573:ad23fe03a082 195 */
mbed_official 573:ad23fe03a082 196
mbed_official 573:ad23fe03a082 197 /**
mbed_official 573:ad23fe03a082 198 * @}
mbed_official 573:ad23fe03a082 199 */
mbed_official 573:ad23fe03a082 200
mbed_official 573:ad23fe03a082 201 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/