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213 lines
8.6 KiB
213 lines
8.6 KiB
9 years ago
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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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* @version V1.3.2
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* @date 26-June-2015
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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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@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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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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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 DCMI DCMI
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* @brief DCMI 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) || defined(STM32F439xx) || defined(STM32F446xx)
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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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/** @defgroup DCMIEx_Exported_Functions_Group1 Initialization and Configuration functions
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* @brief Initialization and Configuration functions
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*
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@verbatim
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===============================================================================
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##### Initialization and Configuration functions #####
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===============================================================================
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[..] This section provides functions allowing to:
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(+) Initialize and configure the DCMI
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(+) De-initialize the DCMI
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@endverbatim
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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)
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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
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if(hdcmi->State == HAL_DCMI_STATE_RESET)
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{
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/* Init the low level hardware */
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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)
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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
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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)
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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
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);
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if(hdcmi->Init.SynchroMode == DCMI_SYNCHRO_EMBEDDED)
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{
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DCMI->ESCR = (((uint32_t)hdcmi->Init.SyncroCode.FrameStartCode) |
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((uint32_t)hdcmi->Init.SyncroCode.LineStartCode << 8)|
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((uint32_t)hdcmi->Init.SyncroCode.LineEndCode << 16) |
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((uint32_t)hdcmi->Init.SyncroCode.FrameEndCode << 24));
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}
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/* Enable the Line interrupt */
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__HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_LINE);
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/* Enable the VSYNC interrupt */
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__HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_VSYNC);
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/* Enable the Frame capture complete interrupt */
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__HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_FRAME);
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/* Enable the Synchronization error interrupt */
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__HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_ERR);
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/* Enable the Overflow interrupt */
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__HAL_DCMI_ENABLE_IT(hdcmi, DCMI_IT_OVF);
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/* Enable DCMI by setting DCMIEN bit */
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__HAL_DCMI_ENABLE(hdcmi);
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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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/**
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* @}
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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 || STM32F439xx || STM32F446xx */
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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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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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