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307 lines
12 KiB
C
307 lines
12 KiB
C
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/**
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******************************************************************************
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* @file stm32f4xx_dcmi.h
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* @author MCD Application Team
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* @version V1.0.0
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* @date 30-September-2011
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* @brief This file contains all the functions prototypes for the DCMI firmware library.
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******************************************************************************
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* @attention
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*
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* <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F4xx_DCMI_H
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#define __STM32F4xx_DCMI_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx.h"
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/** @addtogroup STM32F4xx_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup DCMI
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief DCMI Init structure definition
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*/
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typedef struct
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{
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uint16_t DCMI_CaptureMode; /*!< Specifies the Capture Mode: Continuous or Snapshot.
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This parameter can be a value of @ref DCMI_Capture_Mode */
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uint16_t DCMI_SynchroMode; /*!< Specifies the Synchronization Mode: Hardware or Embedded.
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This parameter can be a value of @ref DCMI_Synchronization_Mode */
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uint16_t DCMI_PCKPolarity; /*!< Specifies the Pixel clock polarity: Falling or Rising.
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This parameter can be a value of @ref DCMI_PIXCK_Polarity */
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uint16_t DCMI_VSPolarity; /*!< Specifies the Vertical synchronization polarity: High or Low.
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This parameter can be a value of @ref DCMI_VSYNC_Polarity */
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uint16_t DCMI_HSPolarity; /*!< Specifies the Horizontal synchronization polarity: High or Low.
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This parameter can be a value of @ref DCMI_HSYNC_Polarity */
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uint16_t DCMI_CaptureRate; /*!< Specifies the frequency of frame capture: All, 1/2 or 1/4.
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This parameter can be a value of @ref DCMI_Capture_Rate */
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uint16_t DCMI_ExtendedDataMode; /*!< Specifies the data width: 8-bit, 10-bit, 12-bit or 14-bit.
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This parameter can be a value of @ref DCMI_Extended_Data_Mode */
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} DCMI_InitTypeDef;
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/**
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* @brief DCMI CROP Init structure definition
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*/
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typedef struct
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{
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uint16_t DCMI_VerticalStartLine; /*!< Specifies the Vertical start line count from which the image capture
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will start. This parameter can be a value between 0x00 and 0x1FFF */
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uint16_t DCMI_HorizontalOffsetCount; /*!< Specifies the number of pixel clocks to count before starting a capture.
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This parameter can be a value between 0x00 and 0x3FFF */
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uint16_t DCMI_VerticalLineCount; /*!< Specifies the number of lines to be captured from the starting point.
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This parameter can be a value between 0x00 and 0x3FFF */
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uint16_t DCMI_CaptureCount; /*!< Specifies the number of pixel clocks to be captured from the starting
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point on the same line.
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This parameter can be a value between 0x00 and 0x3FFF */
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} DCMI_CROPInitTypeDef;
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/**
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* @brief DCMI Embedded Synchronisation CODE Init structure definition
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*/
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typedef struct
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{
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uint8_t DCMI_FrameStartCode; /*!< Specifies the code of the frame start delimiter. */
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uint8_t DCMI_LineStartCode; /*!< Specifies the code of the line start delimiter. */
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uint8_t DCMI_LineEndCode; /*!< Specifies the code of the line end delimiter. */
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uint8_t DCMI_FrameEndCode; /*!< Specifies the code of the frame end delimiter. */
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} DCMI_CodesInitTypeDef;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup DCMI_Exported_Constants
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* @{
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*/
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/** @defgroup DCMI_Capture_Mode
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* @{
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*/
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#define DCMI_CaptureMode_Continuous ((uint16_t)0x0000) /*!< The received data are transferred continuously
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into the destination memory through the DMA */
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#define DCMI_CaptureMode_SnapShot ((uint16_t)0x0002) /*!< Once activated, the interface waits for the start of
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frame and then transfers a single frame through the DMA */
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#define IS_DCMI_CAPTURE_MODE(MODE)(((MODE) == DCMI_CaptureMode_Continuous) || \
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((MODE) == DCMI_CaptureMode_SnapShot))
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/**
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* @}
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*/
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/** @defgroup DCMI_Synchronization_Mode
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* @{
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*/
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#define DCMI_SynchroMode_Hardware ((uint16_t)0x0000) /*!< Hardware synchronization data capture (frame/line start/stop)
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is synchronized with the HSYNC/VSYNC signals */
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#define DCMI_SynchroMode_Embedded ((uint16_t)0x0010) /*!< Embedded synchronization data capture is synchronized with
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synchronization codes embedded in the data flow */
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#define IS_DCMI_SYNCHRO(MODE)(((MODE) == DCMI_SynchroMode_Hardware) || \
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((MODE) == DCMI_SynchroMode_Embedded))
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/**
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* @}
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*/
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/** @defgroup DCMI_PIXCK_Polarity
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* @{
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*/
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#define DCMI_PCKPolarity_Falling ((uint16_t)0x0000) /*!< Pixel clock active on Falling edge */
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#define DCMI_PCKPolarity_Rising ((uint16_t)0x0020) /*!< Pixel clock active on Rising edge */
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#define IS_DCMI_PCKPOLARITY(POLARITY)(((POLARITY) == DCMI_PCKPolarity_Falling) || \
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((POLARITY) == DCMI_PCKPolarity_Rising))
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/**
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* @}
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*/
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/** @defgroup DCMI_VSYNC_Polarity
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* @{
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*/
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#define DCMI_VSPolarity_Low ((uint16_t)0x0000) /*!< Vertical synchronization active Low */
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#define DCMI_VSPolarity_High ((uint16_t)0x0080) /*!< Vertical synchronization active High */
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#define IS_DCMI_VSPOLARITY(POLARITY)(((POLARITY) == DCMI_VSPolarity_Low) || \
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((POLARITY) == DCMI_VSPolarity_High))
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/**
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* @}
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*/
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/** @defgroup DCMI_HSYNC_Polarity
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* @{
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*/
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#define DCMI_HSPolarity_Low ((uint16_t)0x0000) /*!< Horizontal synchronization active Low */
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#define DCMI_HSPolarity_High ((uint16_t)0x0040) /*!< Horizontal synchronization active High */
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#define IS_DCMI_HSPOLARITY(POLARITY)(((POLARITY) == DCMI_HSPolarity_Low) || \
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((POLARITY) == DCMI_HSPolarity_High))
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/**
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* @}
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*/
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/** @defgroup DCMI_Capture_Rate
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* @{
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*/
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#define DCMI_CaptureRate_All_Frame ((uint16_t)0x0000) /*!< All frames are captured */
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#define DCMI_CaptureRate_1of2_Frame ((uint16_t)0x0100) /*!< Every alternate frame captured */
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#define DCMI_CaptureRate_1of4_Frame ((uint16_t)0x0200) /*!< One frame in 4 frames captured */
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#define IS_DCMI_CAPTURE_RATE(RATE) (((RATE) == DCMI_CaptureRate_All_Frame) || \
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((RATE) == DCMI_CaptureRate_1of2_Frame) ||\
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((RATE) == DCMI_CaptureRate_1of4_Frame))
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/**
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* @}
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*/
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/** @defgroup DCMI_Extended_Data_Mode
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* @{
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*/
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#define DCMI_ExtendedDataMode_8b ((uint16_t)0x0000) /*!< Interface captures 8-bit data on every pixel clock */
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#define DCMI_ExtendedDataMode_10b ((uint16_t)0x0400) /*!< Interface captures 10-bit data on every pixel clock */
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#define DCMI_ExtendedDataMode_12b ((uint16_t)0x0800) /*!< Interface captures 12-bit data on every pixel clock */
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#define DCMI_ExtendedDataMode_14b ((uint16_t)0x0C00) /*!< Interface captures 14-bit data on every pixel clock */
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#define IS_DCMI_EXTENDED_DATA(DATA)(((DATA) == DCMI_ExtendedDataMode_8b) || \
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((DATA) == DCMI_ExtendedDataMode_10b) ||\
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((DATA) == DCMI_ExtendedDataMode_12b) ||\
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((DATA) == DCMI_ExtendedDataMode_14b))
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/**
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* @}
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*/
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/** @defgroup DCMI_interrupt_sources
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* @{
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*/
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#define DCMI_IT_FRAME ((uint16_t)0x0001)
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#define DCMI_IT_OVF ((uint16_t)0x0002)
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#define DCMI_IT_ERR ((uint16_t)0x0004)
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#define DCMI_IT_VSYNC ((uint16_t)0x0008)
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#define DCMI_IT_LINE ((uint16_t)0x0010)
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#define IS_DCMI_CONFIG_IT(IT) ((((IT) & (uint16_t)0xFFE0) == 0x0000) && ((IT) != 0x0000))
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#define IS_DCMI_GET_IT(IT) (((IT) == DCMI_IT_FRAME) || \
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((IT) == DCMI_IT_OVF) || \
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((IT) == DCMI_IT_ERR) || \
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((IT) == DCMI_IT_VSYNC) || \
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((IT) == DCMI_IT_LINE))
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/**
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* @}
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*/
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/** @defgroup DCMI_Flags
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* @{
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*/
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/**
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* @brief DCMI SR register
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*/
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#define DCMI_FLAG_HSYNC ((uint16_t)0x2001)
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#define DCMI_FLAG_VSYNC ((uint16_t)0x2002)
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#define DCMI_FLAG_FNE ((uint16_t)0x2004)
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/**
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* @brief DCMI RISR register
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*/
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#define DCMI_FLAG_FRAMERI ((uint16_t)0x0001)
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#define DCMI_FLAG_OVFRI ((uint16_t)0x0002)
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#define DCMI_FLAG_ERRRI ((uint16_t)0x0004)
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#define DCMI_FLAG_VSYNCRI ((uint16_t)0x0008)
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#define DCMI_FLAG_LINERI ((uint16_t)0x0010)
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/**
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* @brief DCMI MISR register
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*/
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#define DCMI_FLAG_FRAMEMI ((uint16_t)0x1001)
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#define DCMI_FLAG_OVFMI ((uint16_t)0x1002)
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#define DCMI_FLAG_ERRMI ((uint16_t)0x1004)
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#define DCMI_FLAG_VSYNCMI ((uint16_t)0x1008)
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#define DCMI_FLAG_LINEMI ((uint16_t)0x1010)
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#define IS_DCMI_GET_FLAG(FLAG) (((FLAG) == DCMI_FLAG_HSYNC) || \
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((FLAG) == DCMI_FLAG_VSYNC) || \
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((FLAG) == DCMI_FLAG_FNE) || \
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((FLAG) == DCMI_FLAG_FRAMERI) || \
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((FLAG) == DCMI_FLAG_OVFRI) || \
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((FLAG) == DCMI_FLAG_ERRRI) || \
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((FLAG) == DCMI_FLAG_VSYNCRI) || \
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((FLAG) == DCMI_FLAG_LINERI) || \
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((FLAG) == DCMI_FLAG_FRAMEMI) || \
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((FLAG) == DCMI_FLAG_OVFMI) || \
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((FLAG) == DCMI_FLAG_ERRMI) || \
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((FLAG) == DCMI_FLAG_VSYNCMI) || \
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((FLAG) == DCMI_FLAG_LINEMI))
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#define IS_DCMI_CLEAR_FLAG(FLAG) ((((FLAG) & (uint16_t)0xFFE0) == 0x0000) && ((FLAG) != 0x0000))
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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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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/* Function used to set the DCMI configuration to the default reset state ****/
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void DCMI_DeInit(void);
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/* Initialization and Configuration functions *********************************/
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void DCMI_Init(DCMI_InitTypeDef* DCMI_InitStruct);
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void DCMI_StructInit(DCMI_InitTypeDef* DCMI_InitStruct);
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void DCMI_CROPConfig(DCMI_CROPInitTypeDef* DCMI_CROPInitStruct);
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void DCMI_CROPCmd(FunctionalState NewState);
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void DCMI_SetEmbeddedSynchroCodes(DCMI_CodesInitTypeDef* DCMI_CodesInitStruct);
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void DCMI_JPEGCmd(FunctionalState NewState);
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/* Image capture functions ****************************************************/
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void DCMI_Cmd(FunctionalState NewState);
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void DCMI_CaptureCmd(FunctionalState NewState);
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uint32_t DCMI_ReadData(void);
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/* Interrupts and flags management functions **********************************/
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void DCMI_ITConfig(uint16_t DCMI_IT, FunctionalState NewState);
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FlagStatus DCMI_GetFlagStatus(uint16_t DCMI_FLAG);
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void DCMI_ClearFlag(uint16_t DCMI_FLAG);
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ITStatus DCMI_GetITStatus(uint16_t DCMI_IT);
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void DCMI_ClearITPendingBit(uint16_t DCMI_IT);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__STM32F4xx_DCMI_H */
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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 2011 STMicroelectronics *****END OF FILE****/
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