/**
* INIT DCMI
*/
void Camera::initDCMI() {
RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_DCMI, ENABLE);
DCMI_InitTypeDef DCMI_InitStructure;
DCMI_DeInit();
DCMI_InitStructure.DCMI_CaptureMode = DCMI_CaptureMode_SnapShot;
DCMI_InitStructure.DCMI_CaptureRate = DCMI_CaptureRate_All_Frame;
DCMI_InitStructure.DCMI_ExtendedDataMode = DCMI_ExtendedDataMode_8b;
DCMI_InitStructure.DCMI_HSPolarity = DCMI_HSPolarity_Low;
DCMI_InitStructure.DCMI_VSPolarity = DCMI_VSPolarity_High;
DCMI_InitStructure.DCMI_PCKPolarity = DCMI_PCKPolarity_Rising;
DCMI_InitStructure.DCMI_SynchroMode = DCMI_SynchroMode_Hardware;
DCMI_Init(&DCMI_InitStructure);
DCMI_CROPInitTypeDef DCMI_CROPInitStructure;
DCMI_CROPInitStructure.DCMI_HorizontalOffsetCount = 0; //
DCMI_CROPInitStructure.DCMI_CaptureCount = 2 * (WIDTH) - 1; //
DCMI_CROPInitStructure.DCMI_VerticalStartLine = 0; //
DCMI_CROPInitStructure.DCMI_VerticalLineCount = HEIGHT - 1; //
DCMI_CROPConfig(&DCMI_CROPInitStructure);
DCMI_CROPCmd(ENABLE);
}
void Cam_Init()
{
GPIO_InitTypeDef GPIO_InitStructure;
DCMI_InitTypeDef DCMI_InitStructure;
DCMI_CROPInitTypeDef DCMI_CROPInitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_AHB2PeriphClockCmd(RCC_AHB2Periph_DCMI, ENABLE);//DCMI
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_DMA2, ENABLE);//DMA2
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB |
RCC_AHB1Periph_GPIOC | RCC_AHB1Periph_GPIOE, ENABLE);//使能DCMI的GPIO时钟
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD,ENABLE);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource8, GPIO_AF_MCO);//MCO1:PA8
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
RCC_MCO1Config(RCC_MCO1Source_HSE, RCC_MCO1Div_1);//25MHz
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;//PE5:PWRDOWN
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_ResetBits(GPIOA, GPIO_Pin_7);//power on
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 ;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
// GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
GPIO_Init(GPIOD, &GPIO_InitStructure);
GPIO_SetBits(GPIOD, GPIO_Pin_7);//reset
delay_ms(10);
OV7670_RST(0); //复位OV7670
delay_ms(10);
OV7670_RST(1); //结束复位
GPIO_PinAFConfig(GPIOA, GPIO_PinSource4, GPIO_AF_DCMI);//DCMI_HSYNC
GPIO_PinAFConfig(GPIOA, GPIO_PinSource6, GPIO_AF_DCMI);//DCMI_PIXCLK
GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_DCMI);//DCMI_D5
GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, GPIO_AF_DCMI);//DCMI_VSYNC
GPIO_PinAFConfig(GPIOE, GPIO_PinSource5, GPIO_AF_DCMI);//DCMI_D6
GPIO_PinAFConfig(GPIOE, GPIO_PinSource6, GPIO_AF_DCMI);//DCMI_D7
GPIO_PinAFConfig(GPIOC, GPIO_PinSource6, GPIO_AF_DCMI);//DCMI_D0
GPIO_PinAFConfig(GPIOC, GPIO_PinSource7, GPIO_AF_DCMI);//DCMI_D1
GPIO_PinAFConfig(GPIOE, GPIO_PinSource0, GPIO_AF_DCMI);//DCMI_D2
GPIO_PinAFConfig(GPIOE, GPIO_PinSource1, GPIO_AF_DCMI);//DCMI_D3
GPIO_PinAFConfig(GPIOE, GPIO_PinSource4, GPIO_AF_DCMI);//DCMI_D4
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5 | GPIO_Pin_6;
GPIO_Init(GPIOE, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7 ;
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4 | GPIO_Pin_6;
GPIO_Init(GPIOA, &GPIO_InitStructure);
DCMI_CROPInitStructure.DCMI_CaptureCount=319;
DCMI_CROPInitStructure.DCMI_HorizontalOffsetCount=1;
DCMI_CROPInitStructure.DCMI_VerticalLineCount=119;
DCMI_CROPInitStructure.DCMI_VerticalStartLine=1;
DCMI_CROPConfig(&DCMI_CROPInitStructure);
DCMI_CROPCmd(ENABLE);
DCMI_InitStructure.DCMI_CaptureMode =DCMI_CaptureMode_Continuous;
DCMI_InitStructure.DCMI_SynchroMode = DCMI_SynchroMode_Hardware;
DCMI_InitStructure.DCMI_PCKPolarity = DCMI_PCKPolarity_Falling;
DCMI_InitStructure.DCMI_VSPolarity = DCMI_VSPolarity_High;
DCMI_InitStructure.DCMI_HSPolarity = DCMI_HSPolarity_Low;
DCMI_InitStructure.DCMI_CaptureRate = DCMI_CaptureRate_All_Frame;
DCMI_InitStructure.DCMI_ExtendedDataMode = DCMI_ExtendedDataMode_8b;
DCMI_Init(&DCMI_InitStructure);
DCMI_ITConfig(DCMI_IT_FRAME,ENABLE);//开启帧中断
DCMI_Cmd(ENABLE); //DCMI使能
DCMI_DMA_Init((u32)&jpeg_buf,jpeg_buf_size,DMA_MemoryDataSize_Word,DMA_MemoryInc_Enable);
NVIC_InitStructure.NVIC_IRQChannel = DCMI_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=NVIC_DCMI_P;//抢占优先级1
NVIC_InitStructure.NVIC_IRQChannelSubPriority =NVIC_DCMI_S; //子优先级2
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道使能
NVIC_Init(&NVIC_InitStructure); //根据指定的参数初始化VIC寄存器、
}
