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/**
******************************************************************************
* @file stm32f4xx_hal_dcmi_ex.c
* @author MCD Application Team
* @version V1.3.2
* @date 26-June-2015
* @brief DCMI Extension HAL module driver.
* This file provides firmware functions to manage the following
* functionalities of DCMI extension peripheral:
* + Extension features functions
*
@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
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
/** @addtogroup STM32F4xx_HAL_Driver
* @{
*/
/** @defgroup DCMI DCMI
* @brief DCMI HAL module driver
* @{
*/
#ifdef HAL_DCMI_MODULE_ENABLED
#if defined(STM32F407xx) || defined(STM32F417xx) || defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) || defined(STM32F446xx)
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup DCMIEx_Exported_Functions DCMI Extended Exported Functions
* @{
*/
/** @defgroup DCMIEx_Exported_Functions_Group1 Initialization and Configuration functions
* @brief Initialization and Configuration functions
*
@verbatim
===============================================================================
##### Initialization and Configuration functions #####
===============================================================================
[..] This section provides functions allowing to:
(+) Initialize and configure the DCMI
(+) De-initialize the DCMI
@endverbatim
* @{
*/
/**
* @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)
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
if(hdcmi->State == HAL_DCMI_STATE_RESET)
{
/* Init the low level hardware */
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)
| DCMI_CR_BSM_0 | DCMI_CR_BSM_1 | DCMI_CR_OEBS |\
DCMI_CR_LSM | DCMI_CR_OELS
#endif
);
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)
| hdcmi->Init.ByteSelectMode |\
hdcmi->Init.ByteSelectStart | hdcmi->Init.LineSelectMode |\
hdcmi->Init.LineSelectStart
#endif
);
if(hdcmi->Init.SynchroMode == DCMI_SYNCHRO_EMBEDDED)
{
DCMI->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) |
((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << 8)|
((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << 16) |
((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << 24));
}
/* Enable the Line interrupt */
__HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE);
/* Enable the VSYNC interrupt */
__HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_VSYNC);
/* Enable the Frame capture complete interrupt */
__HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_FRAME);
/* Enable the Synchronization error interrupt */
__HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_ERR);
/* Enable the Overflow interrupt */
__HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_OVF);
/* Enable DCMI by setting DCMIEN bit */
__HAL_DCMI_ENABLE(hdcmi);
/* 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 */
#endif /* HAL_DCMI_MODULE_ENABLED */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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