183 lines
7.5 KiB
C
183 lines
7.5 KiB
C
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/**
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******************************************************************************
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* @file stm32f4xx_hal_dcmi_ex.c
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* @author MCD Application Team
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* @brief DCMI Extension HAL module driver
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* This file provides firmware functions to manage the following
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* functionalities of DCMI extension peripheral:
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* + Extension features functions
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*
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2017 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file in
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* the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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******************************************************************************
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@verbatim
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==============================================================================
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##### DCMI peripheral extension features #####
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==============================================================================
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[..] Comparing to other previous devices, the DCMI interface for STM32F446xx
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devices contains the following additional features :
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(+) Support of Black and White cameras
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##### How to use this driver #####
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==============================================================================
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[..] This driver provides functions to manage the Black and White feature
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@endverbatim
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx_hal.h"
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/** @addtogroup STM32F4xx_HAL_Driver
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* @{
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*/
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/** @defgroup DCMIEx DCMIEx
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* @brief DCMI Extended HAL module driver
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* @{
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*/
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#ifdef HAL_DCMI_MODULE_ENABLED
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#if defined(STM32F407xx) || defined(STM32F417xx) || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) ||\
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defined(STM32F439xx) || defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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/* Private typedef -----------------------------------------------------------*/
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/* Private define ------------------------------------------------------------*/
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/* Private macro -------------------------------------------------------------*/
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/* Private variables ---------------------------------------------------------*/
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/* Private function prototypes -----------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/** @defgroup DCMIEx_Exported_Functions DCMI Extended Exported Functions
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* @{
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*/
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/**
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* @}
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*/
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/** @addtogroup DCMI_Exported_Functions_Group1 Initialization and Configuration functions
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* @{
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*/
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/**
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* @brief Initializes the DCMI according to the specified
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* parameters in the DCMI_InitTypeDef and create the associated handle.
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* @param hdcmi pointer to a DCMI_HandleTypeDef structure that contains
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* the configuration information for DCMI.
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* @retval HAL status
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*/
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HAL_StatusTypeDef HAL_DCMI_Init(DCMI_HandleTypeDef *hdcmi)
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{
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/* Check the DCMI peripheral state */
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if(hdcmi == NULL)
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{
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return HAL_ERROR;
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}
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/* Check function parameters */
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assert_param(IS_DCMI_ALL_INSTANCE(hdcmi->Instance));
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assert_param(IS_DCMI_PCKPOLARITY(hdcmi->Init.PCKPolarity));
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assert_param(IS_DCMI_VSPOLARITY(hdcmi->Init.VSPolarity));
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assert_param(IS_DCMI_HSPOLARITY(hdcmi->Init.HSPolarity));
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assert_param(IS_DCMI_SYNCHRO(hdcmi->Init.SynchroMode));
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assert_param(IS_DCMI_CAPTURE_RATE(hdcmi->Init.CaptureRate));
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assert_param(IS_DCMI_EXTENDED_DATA(hdcmi->Init.ExtendedDataMode));
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assert_param(IS_DCMI_MODE_JPEG(hdcmi->Init.JPEGMode));
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#if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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assert_param(IS_DCMI_BYTE_SELECT_MODE(hdcmi->Init.ByteSelectMode));
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assert_param(IS_DCMI_BYTE_SELECT_START(hdcmi->Init.ByteSelectStart));
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assert_param(IS_DCMI_LINE_SELECT_MODE(hdcmi->Init.LineSelectMode));
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assert_param(IS_DCMI_LINE_SELECT_START(hdcmi->Init.LineSelectStart));
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#endif /* STM32F446xx || STM32F469xx || STM32F479xx */
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if(hdcmi->State == HAL_DCMI_STATE_RESET)
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{
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/* Allocate lock resource and initialize it */
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hdcmi->Lock = HAL_UNLOCKED;
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/* Init the low level hardware */
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/* Init the DCMI Callback settings */
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#if (USE_HAL_DCMI_REGISTER_CALLBACKS == 1)
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hdcmi->FrameEventCallback = HAL_DCMI_FrameEventCallback; /* Legacy weak FrameEventCallback */
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hdcmi->VsyncEventCallback = HAL_DCMI_VsyncEventCallback; /* Legacy weak VsyncEventCallback */
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hdcmi->LineEventCallback = HAL_DCMI_LineEventCallback; /* Legacy weak LineEventCallback */
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hdcmi->ErrorCallback = HAL_DCMI_ErrorCallback; /* Legacy weak ErrorCallback */
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if(hdcmi->MspInitCallback == NULL)
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{
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/* Legacy weak MspInit Callback */
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hdcmi->MspInitCallback = HAL_DCMI_MspInit;
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}
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/* Initialize the low level hardware (MSP) */
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hdcmi->MspInitCallback(hdcmi);
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#else
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/* Init the low level hardware : GPIO, CLOCK, NVIC and DMA */
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HAL_DCMI_MspInit(hdcmi);
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#endif /* (USE_HAL_DCMI_REGISTER_CALLBACKS) */
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HAL_DCMI_MspInit(hdcmi);
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}
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/* Change the DCMI state */
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hdcmi->State = HAL_DCMI_STATE_BUSY;
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/* Configures the HS, VS, DE and PC polarity */
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hdcmi->Instance->CR &= ~(DCMI_CR_PCKPOL | DCMI_CR_HSPOL | DCMI_CR_VSPOL | DCMI_CR_EDM_0 |\
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DCMI_CR_EDM_1 | DCMI_CR_FCRC_0 | DCMI_CR_FCRC_1 | DCMI_CR_JPEG |\
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DCMI_CR_ESS
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#if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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| DCMI_CR_BSM_0 | DCMI_CR_BSM_1 | DCMI_CR_OEBS |\
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DCMI_CR_LSM | DCMI_CR_OELS
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#endif /* STM32F446xx || STM32F469xx || STM32F479xx */
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);
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hdcmi->Instance->CR |= (uint32_t)(hdcmi->Init.SynchroMode | hdcmi->Init.CaptureRate |\
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hdcmi->Init.VSPolarity | hdcmi->Init.HSPolarity |\
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hdcmi->Init.PCKPolarity | hdcmi->Init.ExtendedDataMode |\
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hdcmi->Init.JPEGMode
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#if defined(STM32F446xx) || defined(STM32F469xx) || defined(STM32F479xx)
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| hdcmi->Init.ByteSelectMode |\
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hdcmi->Init.ByteSelectStart | hdcmi->Init.LineSelectMode |\
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hdcmi->Init.LineSelectStart
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#endif /* STM32F446xx || STM32F469xx || STM32F479xx */
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);
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if(hdcmi->Init.SynchroMode == DCMI_SYNCHRO_EMBEDDED)
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{
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hdcmi->Instance->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) |
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((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << DCMI_POSITION_ESCR_LSC)|
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((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << DCMI_POSITION_ESCR_LEC) |
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((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << DCMI_POSITION_ESCR_FEC));
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}
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/* Enable the Line, Vsync, Error and Overrun interrupts */
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__HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE | DCMI_IT_VSYNC | DCMI_IT_ERR | DCMI_IT_OVR);
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/* Update error code */
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hdcmi->ErrorCode = HAL_DCMI_ERROR_NONE;
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/* Initialize the DCMI state*/
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hdcmi->State = HAL_DCMI_STATE_READY;
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return HAL_OK;
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}
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/**
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* @}
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*/
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#endif /* STM32F407xx || STM32F417xx || STM32F427xx || STM32F437xx || STM32F429xx ||\
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STM32F439xx || STM32F446xx || STM32F469xx || STM32F479xx */
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#endif /* HAL_DCMI_MODULE_ENABLED */
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/**
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* @}
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*/
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/**
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* @}
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*/
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