/** | |
****************************************************************************** | |
* @file stm32f7xx_hal_dcmi_ex.c | |
* @author MCD Application Team | |
* @version V1.0.0 | |
* @date 12-May-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 ##### | |
============================================================================== | |
[..] 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 "stm32f7xx_hal.h" | |
/** @addtogroup STM32F7xx_HAL_Driver | |
* @{ | |
*/ | |
/** @defgroup DCMIEx DCMIEx | |
* @brief DCMI Extended HAL module driver | |
* @{ | |
*/ | |
#ifdef HAL_DCMI_MODULE_ENABLED | |
/* Private typedef -----------------------------------------------------------*/ | |
/* Private define ------------------------------------------------------------*/ | |
/* Private macro -------------------------------------------------------------*/ | |
/* Private variables ---------------------------------------------------------*/ | |
/* Private function prototypes -----------------------------------------------*/ | |
/* Exported functions --------------------------------------------------------*/ | |
/** @defgroup DCMIEx_Exported_Functions DCMIEx 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)); | |
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)); | |
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 | DCMI_CR_BSM_0 | DCMI_CR_BSM_1 | DCMI_CR_OEBS |\ | |
DCMI_CR_LSM | DCMI_CR_OELS); | |
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 | hdcmi->Init.ByteSelectMode |\ | |
hdcmi->Init.ByteSelectStart | hdcmi->Init.LineSelectMode |\ | |
hdcmi->Init.LineSelectStart); | |
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 /* HAL_DCMI_MODULE_ENABLED */ | |
/** | |
* @} | |
*/ | |
/** | |
* @} | |
*/ | |
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |