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STM32-Player-Doc/STM32H743VI 开发版/STM32H750驱动例程(HAL库)/例32 USB虚拟串口(Slave)/HARDWARE/DCMI/dcmi.c

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新增开发版例程
2021-07-28 13:15:22 +08:00
#include "sys.h"
#include "dcmi.h"
#include "lcd.h"
#include "ltdc.h"
#include "led.h"
#include "ov5640.h"
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEK STM32H7<48><37><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//DCMI<4D><49><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:2017/8/15
//<2F>汾<EFBFBD><E6B1BE>V1.0
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2014-2024
//All rights reserved
//////////////////////////////////////////////////////////////////////////////////
DCMI_HandleTypeDef DCMI_Handler; //DCMI<4D><49><EFBFBD><EFBFBD>
DMA_HandleTypeDef DMADMCI_Handler; //DMA<4D><41><EFBFBD><EFBFBD>
u8 ov_frame=0; //֡<><D6A1>
extern void jpeg_data_process(void); //JPEG<45><47><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//DCMI<4D><49>ʼ<EFBFBD><CABC>
void DCMI_Init(void)
{
DCMI_Handler.Instance=DCMI;
DCMI_Handler.Init.SynchroMode=DCMI_SYNCHRO_HARDWARE; //Ӳ<><D3B2>ͬ<EFBFBD><CDAC>HSYNC,VSYNC
DCMI_Handler.Init.PCKPolarity=DCMI_PCKPOLARITY_RISING; //PCLK <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч
DCMI_Handler.Init.VSPolarity=DCMI_VSPOLARITY_LOW; //VSYNC <20>͵<EFBFBD>ƽ<EFBFBD><C6BD>Ч
DCMI_Handler.Init.HSPolarity=DCMI_HSPOLARITY_LOW; //HSYNC <20>͵<EFBFBD>ƽ<EFBFBD><C6BD>Ч
DCMI_Handler.Init.CaptureRate=DCMI_CR_ALL_FRAME; //ȫ֡<C8AB><D6A1><EFBFBD><EFBFBD>
DCMI_Handler.Init.ExtendedDataMode=DCMI_EXTEND_DATA_8B; //8λ<38><CEBB><EFBFBD>ݸ<EFBFBD>ʽ
HAL_DCMI_Init(&DCMI_Handler); //<2F><>ʼ<EFBFBD><CABC>DCMI<4D><49><EFBFBD>˺<EFBFBD><CBBA><EFBFBD><EFBFBD>Ὺ<EFBFBD><E1BFAA>֡<EFBFBD>ж<EFBFBD>
//<2F>ر<EFBFBD><D8B1><EFBFBD><EFBFBD>жϡ<D0B6>VSYNC<4E>жϡ<D0B6>ͬ<EFBFBD><CDAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϺ<D0B6><CFBA><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
//__HAL_DCMI_DISABLE_IT(&DCMI_Handler,DCMI_IT_LINE|DCMI_IT_VSYNC|DCMI_IT_ERR|DCMI_IT_OVR);
//<2F>ر<EFBFBD><D8B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϣ<D0B6><CFA3><EFBFBD><EFBFBD><EFBFBD>HAL_DCMI_Init()<29><>Ĭ<EFBFBD>ϴ򿪺ܶ<F2BFAABA><DCB6>жϣ<D0B6><CFA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD>ж<EFBFBD>
//<2F>Ժ<EFBFBD><D4BA><EFBFBD><EFBFBD>Ǿ<EFBFBD><C7BE><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>Щ<EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>Ӧ<EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><C4BB>ͻᵼ<CDBB>¸<EFBFBD><C2B8>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>⣬
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Щ<EFBFBD>жϺܶ඼<DCB6><E0B6BC><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ｫ<EFBFBD><EFBDAB>ȫ<EFBFBD><C8AB><EFBFBD>رյ<D8B1><D5B5><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD>ǽ<EFBFBD>IER<45>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㡣
//<2F>ر<EFBFBD><D8B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6>Ժ<EFBFBD><D4BA>ٸ<EFBFBD><D9B8><EFBFBD><EFBFBD>Լ<EFBFBD><D4BC><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9><EFBFBD><EFBFBD>Ӧ<EFBFBD><D3A6><EFBFBD>жϡ<D0B6>
DCMI->IER=0x0;
__HAL_DCMI_ENABLE_IT(&DCMI_Handler,DCMI_IT_FRAME); //ʹ<><CAB9>֡<EFBFBD>ж<EFBFBD>
__HAL_DCMI_ENABLE(&DCMI_Handler); //ʹ<><CAB9>DCMI
}
//DCMI<4D>ײ<EFBFBD><D7B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD>ʱ<EFBFBD><CAB1>ʹ<EFBFBD>ܣ<EFBFBD><DCA3>ж<EFBFBD><D0B6><EFBFBD><EFBFBD><EFBFBD>
//<2F>˺<EFBFBD><CBBA><EFBFBD><EFBFBD>ᱻHAL_DCMI_Init()<29><><EFBFBD><EFBFBD>
//hdcmi:DCMI<4D><49><EFBFBD><EFBFBD>
void HAL_DCMI_MspInit(DCMI_HandleTypeDef* hdcmi)
{
GPIO_InitTypeDef GPIO_Initure;
__HAL_RCC_DCMI_CLK_ENABLE(); //ʹ<><CAB9>DCMIʱ<49><CAB1>
__HAL_RCC_GPIOA_CLK_ENABLE(); //ʹ<><CAB9>GPIOAʱ<41><CAB1>
__HAL_RCC_GPIOB_CLK_ENABLE(); //ʹ<><CAB9>GPIOBʱ<42><CAB1>
__HAL_RCC_GPIOC_CLK_ENABLE(); //ʹ<><CAB9>GPIOCʱ<43><CAB1>
__HAL_RCC_GPIOD_CLK_ENABLE(); //ʹ<><CAB9>GPIODʱ<44><CAB1>
//<2F><>ʼ<EFBFBD><CABC>PA4
GPIO_Initure.Pin=GPIO_PIN_4|GPIO_PIN_6;
GPIO_Initure.Mode=GPIO_MODE_AF_PP; //<2F><><EFBFBD>츴<EFBFBD><ECB8B4>
GPIO_Initure.Pull=GPIO_PULLUP; //<2F><><EFBFBD><EFBFBD>
GPIO_Initure.Speed=GPIO_SPEED_FREQ_VERY_HIGH; //<2F><><EFBFBD><EFBFBD>
GPIO_Initure.Alternate=GPIO_AF13_DCMI; //<2F><><EFBFBD><EFBFBD>ΪDCMI
HAL_GPIO_Init(GPIOA,&GPIO_Initure); //<2F><>ʼ<EFBFBD><CABC>
//PB7,8,9
GPIO_Initure.Pin=GPIO_PIN_7|GPIO_PIN_8|GPIO_PIN_9;
HAL_GPIO_Init(GPIOB,&GPIO_Initure); //<2F><>ʼ<EFBFBD><CABC>
//PC6,7,8,9,11
GPIO_Initure.Pin=GPIO_PIN_6|GPIO_PIN_7|GPIO_PIN_8|\
GPIO_PIN_9|GPIO_PIN_11;
HAL_GPIO_Init(GPIOC,&GPIO_Initure); //<2F><>ʼ<EFBFBD><CABC>
//PD3
GPIO_Initure.Pin=GPIO_PIN_3;
HAL_GPIO_Init(GPIOD,&GPIO_Initure); //<2F><>ʼ<EFBFBD><CABC>
HAL_NVIC_SetPriority(DCMI_IRQn,2,2); //<2F><>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>2
HAL_NVIC_EnableIRQ(DCMI_IRQn); //ʹ<><CAB9>DCMI<4D>ж<EFBFBD>
}
//DCMI DMA<4D><41><EFBFBD><EFBFBD>
//mem0addr:<3A>洢<EFBFBD><E6B4A2><EFBFBD><EFBFBD>ַ0 <20><>Ҫ<EFBFBD>洢<EFBFBD><E6B4A2><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD>ݵ<EFBFBD><DDB5>ڴ<EFBFBD><DAB4><EFBFBD>ַ(Ҳ<><D2B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ)
//mem1addr:<3A>洢<EFBFBD><E6B4A2><EFBFBD><EFBFBD>ַ1 <20><>ֻʹ<D6BB><CAB9>mem0addr<64><72>ʱ<EFBFBD><CAB1>,<2C><>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>Ϊ0
//memblen:<3A>洢<EFBFBD><E6B4A2>λ<EFBFBD><CEBB>,<2C><><EFBFBD><EFBFBD>Ϊ:DMA_MDATAALIGN_BYTE/DMA_MDATAALIGN_HALFWORD/DMA_MDATAALIGN_WORD
//meminc:<3A>洢<EFBFBD><E6B4A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʽ,<2C><><EFBFBD><EFBFBD>Ϊ:DMA_MINC_ENABLE/DMA_MINC_DISABLE
void DCMI_DMA_Init(u32 mem0addr,u32 mem1addr,u16 memsize,u32 memblen,u32 meminc)
{
__HAL_RCC_DMA1_CLK_ENABLE(); //ʹ<><CAB9>DMA1ʱ<31><CAB1>
__HAL_LINKDMA(&DCMI_Handler,DMA_Handle,DMADMCI_Handler); //<2F><>DMA<4D><41>DCMI<4D><49>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD>
__HAL_DMA_DISABLE_IT(&DMADMCI_Handler,DMA_IT_TC); //<2F>ȹر<C8B9>DMA<4D><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>MCU<43><55><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
DMADMCI_Handler.Instance=DMA1_Stream1; //DMA1<41><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1
DMADMCI_Handler.Init.Request=DMA_REQUEST_DCMI; //DCMI<4D><49>DMA<4D><41><EFBFBD><EFBFBD>
DMADMCI_Handler.Init.Direction=DMA_PERIPH_TO_MEMORY; //<2F><><EFBFBD>赽<EFBFBD>洢<EFBFBD><E6B4A2>
DMADMCI_Handler.Init.PeriphInc=DMA_PINC_DISABLE; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
DMADMCI_Handler.Init.MemInc=meminc; //<2F>洢<EFBFBD><E6B4A2><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ
DMADMCI_Handler.Init.PeriphDataAlignment=DMA_PDATAALIGN_WORD; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>:32λ
DMADMCI_Handler.Init.MemDataAlignment=memblen; //<2F>洢<EFBFBD><E6B4A2><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>:8/16/32λ
DMADMCI_Handler.Init.Mode=DMA_CIRCULAR; //ʹ<><CAB9>ѭ<EFBFBD><D1AD>ģʽ
DMADMCI_Handler.Init.Priority=DMA_PRIORITY_HIGH; //<2F><><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>
DMADMCI_Handler.Init.FIFOMode=DMA_FIFOMODE_ENABLE; //ʹ<><CAB9>FIFO
DMADMCI_Handler.Init.FIFOThreshold=DMA_FIFO_THRESHOLD_HALFFULL; //ʹ<><CAB9>1/2<><32>FIFO
DMADMCI_Handler.Init.MemBurst=DMA_MBURST_SINGLE; //<2F>洢<EFBFBD><E6B4A2>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
DMADMCI_Handler.Init.PeriphBurst=DMA_PBURST_SINGLE; //<2F><><EFBFBD><EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD><EFBFBD><EFBFBD>δ<EFBFBD><CEB4><EFBFBD>
HAL_DMA_DeInit(&DMADMCI_Handler); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǰ<EFBFBD><C7B0><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
HAL_DMA_Init(&DMADMCI_Handler); //<2F><>ʼ<EFBFBD><CABC>DMA
//<2F>ڿ<EFBFBD><DABF><EFBFBD>DMA֮ǰ<D6AE><C7B0>ʹ<EFBFBD><CAB9>__HAL_UNLOCK()<29><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>DMA,<2C><>ΪHAL_DMA_Statrt()HAL_DMAEx_MultiBufferStart()
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>ʼҪ<CABC><D2AA>ʹ<EFBFBD><CAB9>__HAL_LOCK()<29><><EFBFBD><EFBFBD>DMA,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>__HAL_LOCK()<29><><EFBFBD>жϵ<D0B6>ǰ<EFBFBD><C7B0>DMA״̬<D7B4>Ƿ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>״̬<D7B4>Ļ<EFBFBD><C4BB><EFBFBD>ֱ<EFBFBD>ӷ<EFBFBD><D3B7><EFBFBD>HAL_BUSY<53><59><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ᵼ<EFBFBD>º<EFBFBD><C2BA><EFBFBD>HAL_DMA_Statrt()<29><>HAL_DMAEx_MultiBufferStart()<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DMA<4D><41><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ֱ<EFBFBD>ӱ<EFBFBD><D3B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DMAҲ<41>Ͳ<EFBFBD><CDB2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD>˱<EFBFBD><CBB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DMA֮ǰ<D6AE>ȵ<EFBFBD><C8B5><EFBFBD>__HAL_UNLOC()<29>Ƚ<EFBFBD><C8BD><EFBFBD>һ<EFBFBD><D2BB>DMA<4D><41>
__HAL_UNLOCK(&DMADMCI_Handler);
if(mem1addr==0) //<2F><><EFBFBD><EFBFBD>DMA<4D><41><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>˫<EFBFBD><CBAB><EFBFBD><EFBFBD>
{
HAL_DMA_Start(&DMADMCI_Handler,(u32)&DCMI->DR,mem0addr,memsize);
}
else //ʹ<><CAB9>˫<EFBFBD><CBAB><EFBFBD><EFBFBD>
{
HAL_DMAEx_MultiBufferStart(&DMADMCI_Handler,(u32)&DCMI->DR,mem0addr,mem1addr,memsize);//<2F><><EFBFBD><EFBFBD>˫<EFBFBD><CBAB><EFBFBD><EFBFBD>
__HAL_DMA_ENABLE_IT(&DMADMCI_Handler,DMA_IT_TC); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
HAL_NVIC_SetPriority(DMA1_Stream1_IRQn,2,3); //DMA<4D>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>ȼ<EFBFBD>
HAL_NVIC_EnableIRQ(DMA1_Stream1_IRQn);
}
}
//DCMI,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void DCMI_Start(void)
{
LCD_SetCursor(0,0);
LCD_WriteRAM_Prepare(); //<2F><>ʼд<CABC><D0B4>GRAM
__HAL_DMA_ENABLE(&DMADMCI_Handler); //ʹ<><CAB9>DMA
DCMI->CR|=DCMI_CR_CAPTURE; //DCMI<4D><49><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>
}
//DCMI,<2C>رմ<D8B1><D5B4><EFBFBD>
void DCMI_Stop(void)
{
DCMI->CR&=~(DCMI_CR_CAPTURE); //<2F>رղ<D8B1><D5B2><EFBFBD>
while(DCMI->CR&0X01); //<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
__HAL_DMA_DISABLE(&DMADMCI_Handler);//<2F>ر<EFBFBD>DMA
}
//DCMI<4D>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void DCMI_IRQHandler(void)
{
HAL_DCMI_IRQHandler(&DCMI_Handler);
}
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ֡ͼ<D6A1><CDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//hdcmi:DCMI<4D><49><EFBFBD><EFBFBD>
void HAL_DCMI_FrameEventCallback(DCMI_HandleTypeDef *hdcmi)
{
jpeg_data_process();//jpeg<65><67><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD>
LED1_Toggle;
ov_frame++;
//<2F><><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>֡<EFBFBD>ж<EFBFBD>,<2C><>ΪHAL_DCMI_IRQHandler()<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ر<EFBFBD>֡<EFBFBD>ж<EFBFBD>
__HAL_DCMI_ENABLE_IT(&DCMI_Handler,DCMI_IT_FRAME);
}
void (*dcmi_rx_callback)(void);//DCMI DMA<4D><41><EFBFBD>ջص<D5BB><D8B5><EFBFBD><EFBFBD><EFBFBD>
//DMA1<41><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD>1<EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void DMA1_Stream1_IRQHandler(void)
{
if(__HAL_DMA_GET_FLAG(&DMADMCI_Handler,DMA_FLAG_TCIF1_5)!=RESET)//DMA<4D><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
__HAL_DMA_CLEAR_FLAG(&DMADMCI_Handler,DMA_FLAG_TCIF1_5);//<2F><><EFBFBD><EFBFBD>DMA<4D><41><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־λ
dcmi_rx_callback(); //ִ<><D6B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͷ<EFBFBD><CDB7><EFBFBD>ջص<D5BB><D8B5><EFBFBD><EFBFBD><EFBFBD>,<2C><>ȡ<EFBFBD><C8A1><EFBFBD>ݵȲ<DDB5><C8B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>洦<EFBFBD><E6B4A6>
SCB_CleanInvalidateDCache(); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD><D0A7>D-Cache
}
}
////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><>usmart<72><74><EFBFBD><EFBFBD>,<2C><><EFBFBD>ڵ<EFBFBD><DAB5>Դ<EFBFBD><D4B4><EFBFBD>
//DCMI<4D><49><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>
//sx,sy;LCD<43><44><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>
//width,height:LCD<43><44>ʾ<EFBFBD><CABE>Χ.
void DCMI_Set_Window(u16 sx,u16 sy,u16 width,u16 height)
{
DCMI_Stop();
LCD_Clear(WHITE);
LCD_Set_Window(sx,sy,width,height);
OV5640_OutSize_Set(0,0,width,height);
LCD_SetCursor(0,0);
LCD_WriteRAM_Prepare(); //<2F><>ʼд<CABC><D0B4>GRAM
__HAL_DMA_ENABLE(&DMADMCI_Handler); //<2F><><EFBFBD><EFBFBD>DMA1,Stream1
DCMI->CR|=DCMI_CR_CAPTURE; //DCMI<4D><49><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>
}
//ͨ<><CDA8>usmart<72><74><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
//pclk/hsync/vsync:<3A><><EFBFBD><EFBFBD><EFBFBD>źŵ<C5BA><C5B5><EFBFBD><EFBFBD>޵<EFBFBD>ƽ<EFBFBD><C6BD><EFBFBD><EFBFBD>
void DCMI_CR_Set(u8 pclk,u8 hsync,u8 vsync)
{
HAL_DCMI_DeInit(&DCMI_Handler);//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
DCMI_Handler.Instance=DCMI;
DCMI_Handler.Init.SynchroMode=DCMI_SYNCHRO_HARDWARE;//Ӳ<><D3B2>ͬ<EFBFBD><CDAC>HSYNC,VSYNC
DCMI_Handler.Init.PCKPolarity=pclk<<5; //PCLK <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ч
DCMI_Handler.Init.VSPolarity=vsync<<7; //VSYNC <20>͵<EFBFBD>ƽ<EFBFBD><C6BD>Ч
DCMI_Handler.Init.HSPolarity=hsync<<6; //HSYNC <20>͵<EFBFBD>ƽ<EFBFBD><C6BD>Ч
DCMI_Handler.Init.CaptureRate=DCMI_CR_ALL_FRAME; //ȫ֡<C8AB><D6A1><EFBFBD><EFBFBD>
DCMI_Handler.Init.ExtendedDataMode=DCMI_EXTEND_DATA_8B;//8λ<38><CEBB><EFBFBD>ݸ<EFBFBD>ʽ
HAL_DCMI_Init(&DCMI_Handler); //<2F><>ʼ<EFBFBD><CABC>DCMI
DCMI_Handler.Instance->CR|=DCMI_MODE_CONTINUOUS; //<2F><><EFBFBD><EFBFBD>ģʽ
}
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