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