/**
* @brief Configures OV9655 or OV2640 Camera module mounted on STM322xG-EVAL board.
* @param ImageBuffer: Pointer to the camera configuration structure
* @retval None
*/
void Camera_Config(void)
{
if(Camera == OV9655_CAMERA)
{
switch (ImageFormat)
{
case BMP_QQVGA:
{
/* Configure the OV9655 camera and set the QQVGA mode */
OV9655_HW_Init();
OV9655_Init(BMP_QQVGA);
OV9655_QQVGAConfig();
break;
}
case BMP_QVGA:
{
/* Configure the OV9655 camera and set set the QVGA mode */
OV9655_HW_Init();
OV9655_Init(BMP_QVGA);
OV9655_QVGAConfig();
break;
}
default:
{
/* Configure the OV9655 camera and set the QQVGA mode */
OV9655_HW_Init();
OV9655_Init(BMP_QQVGA);
OV9655_QQVGAConfig();
break;
}
}
}
else if(Camera == OV2640_CAMERA)
{
switch (ImageFormat)
{
case BMP_QQVGA:
{
/* Configure the OV2640 camera and set the QQVGA mode */
OV2640_HW_Init();
OV2640_Init(BMP_QQVGA);
OV2640_QQVGAConfig();
break;
}
case BMP_QVGA:
{
/* Configure the OV2640 camera and set the QQVGA mode */
OV2640_HW_Init();
OV2640_Init(BMP_QVGA);
OV2640_QVGAConfig();
break;
}
default:
{
/* Configure the OV2640 camera and set the QQVGA mode */
OV2640_HW_Init();
OV2640_Init(BMP_QQVGA);
OV2640_QQVGAConfig();
break;
}
}
}
}
int main() {
SysTick_Config(SystemCoreClock / 1000);
InitLeds();
GPIO_SetBits(GPIOD, GREEN_LED);
Delay(100);
GPIO_ResetBits(GPIOD, GREEN_LED);
GPIO_SetBits(GPIOD, ORANGE_LED);
Delay(100);
GPIO_ResetBits(GPIOD, ORANGE_LED);
GPIO_SetBits(GPIOD, RED_LED);
Delay(100);
GPIO_ResetBits(GPIOD, RED_LED);
GPIO_SetBits(GPIOD, BLUE_LED);
Delay(100);
GPIO_ResetBits(GPIOD, BLUE_LED);
/**
* USART
*/
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOB | RCC_AHB1Periph_GPIOC, ENABLE);
GPIO_PinAFConfig(USART2_TX_PORT, USART2_TX_PIN_SOURCE, GPIO_AF_USART2);
GPIO_PinAFConfig(USART2_RX_PORT, USART2_RX_PIN_SOURCE, GPIO_AF_USART2);
/* Configure USART Tx as alternate function */
GPIO_InitTypeDef GPIO_InitStructure;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Pin = USART2_TX_PIN;
GPIO_Init(USART2_TX_PORT, &GPIO_InitStructure);
/* Configure USART Rx as alternate function */
GPIO_InitStructure.GPIO_Pin = USART2_RX_PIN;
GPIO_Init(USART2_RX_PORT, &GPIO_InitStructure);
USART_InitTypeDef USART_InitStructure;
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART2, &USART_InitStructure);
/* Enable USART */
USART_Cmd(USART2, ENABLE);
Serial_print(USART2, "Hello World! -- Compiled on: ");
Serial_print(USART2, __DATE__);
Serial_print(USART2, " - ");
Serial_println(USART2, __TIME__);
/**
* Interrupts
*/
NVIC_InitTypeDef NVIC_InitStructure;
NVIC_InitStructure.NVIC_IRQChannel = DCMI_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_Init(&NVIC_InitStructure);
DCMI_ClearITPendingBit(DCMI_IT_FRAME | DCMI_IT_OVF | DCMI_IT_ERR);
DCMI_ITConfig(DCMI_IT_FRAME | DCMI_IT_OVF | DCMI_IT_ERR, ENABLE);
NVIC_InitStructure.NVIC_IRQChannel = DMA2_Stream1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_Init(&NVIC_InitStructure);
DMA_ClearITPendingBit(DMA2_Stream1, DMA_IT_TCIF1 | DMA_IT_TEIF1);
DMA_ITConfig(DMA2_Stream1, DMA_IT_TC | DMA_IT_FE | DMA_IT_TE | DMA_IT_DME, ENABLE);
Serial_print(USART2, "Interrupts done. \r\n");
/** Camera Reset Pin & Power Down Pin */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_Speed = GPIO_Low_Speed;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10 | GPIO_Pin_9;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_SetBits(GPIOA, GPIO_Pin_10);
GPIO_ResetBits(GPIOA, GPIO_Pin_9);
/**
* DCMI
*/
OV2640_HW_Init();
Serial_print(USART2, "HW_Init done. \r\n");
/* Print camera Id */
OV2640_IDTypeDef camera_id;
OV2640_ReadID(&camera_id);
Serial_print(USART2, "Camera ID: ");
Serial_print(USART2, camera_id.Manufacturer_ID1, 16);
Serial_print(USART2, " - ");
Serial_print(USART2, camera_id.Manufacturer_ID2, 16);
Serial_print(USART2, " - ");
Serial_print(USART2, camera_id.PIDH, 16);
Serial_print(USART2, " - ");
Serial_print(USART2, camera_id.PIDL, 16);
Serial_println(USART2, "");
OV2640_QQVGAConfig();
Serial_print(USART2, "QQVGAConfig done. \r\n");
// OV2640_BandWConfig(0x18); // BW
OV2640_Init(BMP_QQVGA);
Serial_print(USART2, "Init done. \r\n");
// Memset
int i;
for (i=0; i<160*120; i++) {
Targetbuffer[i] = 0xbeef;
}
DMA_Cmd(DMA2_Stream1, ENABLE);
while ( DMA_GetCmdStatus(DMA2_Stream1) != ENABLE )
;
Serial_print(USART2, "DMA Enable done. \r\n");
DCMI_Cmd(ENABLE);
Serial_print(USART2, "DCMI Enable done. \r\n");
DCMI_CaptureCmd(ENABLE);
Serial_print(USART2, "DCMI Capture start. \r\n");
Serial_print(USART2, "Print: \r\n.\r\n.\r\n");
Serial_print(USART2, "done. \r\n");
Delay(1);
// Clear screen
Serial_print(USART2, 0x1b);
Serial_print(USART2, "[2J");
while (1) {
while (DCMI_GetFlagStatus(DCMI_FLAG_FRAMERI) == RESET)
;
print_CameraData();
// Move cursor to home position.
Serial_print(USART2, 0x1b);
Serial_print(USART2, "[H");
}
}
