int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f4xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f4xx.c file
*/
/* SysTick end of count event each 10ms */
#ifndef YUVDEBUG
unsigned int line;
#endif
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 100);
init_USART1(1048576);
USART_puts(USART2,"\nLoaded,");
frame_done=0;
/*Camera configuration */
// ****INIT the TW9910 in the following function
if (DCMI_OV9655Config() == 0x00)//configures pins of DCMI,I2C and DMA and the camera settings, if it returns a positive response
{
//Successful
int fr=0;
USART_puts(USART2,"In TW9910\n");
/* Enable DMA transfer */
DMA_Cmd(DMA2_Stream1, ENABLE);
/* Enable DCMI interface */
DCMI_Cmd(ENABLE);
/* Start Image capture */
DCMI_CaptureCmd(ENABLE);
while (1)
{
// int i;
// Delay(50);
if (frame_done) {
char s[5];
int i;
fr++;
DCMI_CaptureCmd(DISABLE);
#ifndef YUVDEBUG
USART_puts(USART2,"\njpeg2\n");
huffman_start(IMG_HEIGHT & -8, IMG_WIDTH & -8);
huffman_resetdc();
#endif
#ifdef YUVDEBUG
USART_puts(USART2,"\nNewFrame\n");
for(i=0;i<FULLIMAGESIZE*2;i++){
sprintf(s,",%x",imagearray[i]);
USART_puts(USART2,s);
}
#endif
#ifndef YUVDEBUG
for (line=0; line<NUM_LINES; line++) {
uint8_t* line_buffer=(uint8_t *)&(imagearray[line*(IMG_WIDTH*8*2)]);
// encode the line using encoder
encode_line_yuv(line_buffer, line);
}
// write .jpeg footer (end-of-image marker)
huffman_stop();
#endif
// /* print the frame counter */
// sprintf(s,",%d",fr);
// USART_puts(USART2,s);
//USART_puts(USART2,"\njpegends\n");
DCMI_CaptureCmd(ENABLE);
frame_done = 0;
}
}
}
else {// Cant INIT the TW9910
USART_puts(USART2,"Cant Init TW9910");
/* Go to infinite loop */
while (1);
}
}
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f4xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f4xx.c file
*/
/* SysTick end of count event each 10ms */
unsigned int line;
enum {
TYPE_UNKNOWN=0,
TYPE_RGB24,
TYPE_RGB16,
TYPE_YUV,
} image_type = TYPE_UNKNOWN;
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 100);
init_USART1(1048576);
USART_puts(USART2,"\nLoaded,");
image_type = TYPE_YUV;
frame_done=0;
// LIS302DL_Reset();
/* SET USER Key */
/* Configure EXTI Line0 (connected to PA0 pin) in interrupt mode */
// EXTILine0_Config();
// /* Initialize the LCD */
// STM32f4_Discovery_LCD_Init();
// LCD_Clear(LCD_COLOR_WHITE);
// LCD_SetTextColor(LCD_COLOR_BLUE);
// DCMI_Control_IO_Init();//funtion to configure reset and power pins of the camera **dont need for tw9910
// LCD_DisplayStringLine(LINE(2), " Camera Init..");
/* OV9655 Camera Module configuration */
// ****INIT the TW9910 in the following function
if (DCMI_OV9655Config() == 0x00)//configures pins of DCMI,I2C and DMA and the camera settings, if it returns a positive response
{
//Successful
// int fr=0;
USART_puts(USART2,"In TW9910\n");
// LCD_DisplayStringLine(LINE(2), " ");
// LCD_SetDisplayWindow(0, 0, 320, 240);
// LCD_WriteRAM_Prepare();
//initialise an array here for the Image and ensure it is set up in the DMA configuration
/* Enable DMA transfer */
DMA_Cmd(DMA2_Stream1, ENABLE);
/* Enable DCMI interface */
DCMI_Cmd(ENABLE);
/* Start Image capture */
DCMI_CaptureCmd(ENABLE);
/*init the picture count*/ //useless for tw9910 and our case
//init_picture_count(); // a function to initialise a variable from a counter file in the sdcard to name the new bmp file and file-xxx.bmp
while (1)
{
// int i;
//Delay(50);
// int i;
//for(i=0;i<1000;i++);
if (frame_done) {
// char s[5];
// fr++;
// USART_puts(USART2,"\nNewFrame\n");
// if (capture_Flag == ENABLE) {
DCMI_CaptureCmd(DISABLE);
USART_puts(USART2,"\njpeg2\n");
huffman_start(IMG_HEIGHT & -8, IMG_WIDTH & -8);
huffman_resetdc();
// USART_puts(USART2,"\njpeg\n");
//
// for(i=0;i<FULLIMAGESIZE;i++){
// sprintf(s,",%x",imagearray[i]);
// USART_puts(USART2,s);
// //USART_writebyte(USART2,&imagearray[i]);
//
// }
//
// USART_puts(USART2,"\nDone");
// capture_Flag = DISABLE;
// // Capture_Image_TO_Bmp();
//// LCD_SetDisplayWindow(0, 0, 320, 240);
//// LCD_WriteRAM_Prepare();
// capture_Flag = ENABLE;
// }
// USART_puts(USART2,"\njpeg2\n");
for (line=0; line<NUM_LINES; line++) {
uint8_t* line_buffer=(uint8_t *)&(imagearray[line*(IMG_WIDTH*IMG_HEIGHT*2/NUM_LINES)]);
// encode the line using appropriate encoder
switch (image_type) {
// case TYPE_RGB24: encode_line_rgb24(line_buffer, line); break;
// case TYPE_RGB16: encode_line_rgb16(line_buffer, line); break;
case TYPE_YUV: encode_line_yuv(line_buffer, line); break;
case TYPE_UNKNOWN:
default:break;
// fprintf(stderr, "error: %s, unsupported encoder for input '%s'\n", argv[0], argv[1]);
// exit(1);
}
}
// write .jpeg footer (end-of-image marker)
huffman_stop();
USART_puts(USART2,"\njpegends\n");
DCMI_CaptureCmd(ENABLE);
frame_done = 0;
//if(fr==2)
//while(1);
}
}
} else {
// LCD_SetTextColor(LCD_COLOR_RED);
// LCD_DisplayStringLine(LINE(2), "Camera Init.. fails");
// LCD_DisplayStringLine(LINE(4), "Check the Camera HW ");
// LCD_DisplayStringLine(LINE(5), " and try again ");
/* Go to infinite loop */
while (1);
}
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32f4xx.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32f4xx.c file
*/
/* SysTick end of count event each 10ms */
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 100);
LIS302DL_Reset();
/* SET USER Key */
/* Configure EXTI Line0 (connected to PA0 pin) in interrupt mode */
EXTILine0_Config();
/* Initialize the LCD */
STM32f4_Discovery_LCD_Init();
LCD_Clear(LCD_COLOR_WHITE);
LCD_SetTextColor(LCD_COLOR_BLUE);
DCMI_Control_IO_Init();
LCD_DisplayStringLine(LINE(2), " Camera Init..");
/* OV9655 Camera Module configuration */
if (DCMI_OV9655Config() == 0x00)
{
LCD_DisplayStringLine(LINE(2), " ");
LCD_SetDisplayWindow(0, 0, 320, 240);
LCD_WriteRAM_Prepare();
/* Start Image capture and Display on the LCD *****************************/
/* Enable DMA transfer */
DMA_Cmd(DMA2_Stream1, ENABLE);
/* Enable DCMI interface */
DCMI_Cmd(ENABLE);
/* Start Image capture */
DCMI_CaptureCmd(ENABLE);
/*init the picture count*/
init_picture_count();
KeyPressFlg = 0;
while (1)
{
/* Insert 100ms delay */
Delay(100);
if (KeyPressFlg) {
KeyPressFlg = 0;
/* press user KEY take a photo */
if (capture_Flag == ENABLE) {
DCMI_CaptureCmd(DISABLE);
capture_Flag = DISABLE;
Capture_Image_TO_Bmp();
LCD_SetDisplayWindow(0, 0, 320, 240);
LCD_WriteRAM_Prepare();
DCMI_CaptureCmd(ENABLE);
capture_Flag = ENABLE;
}
}
}
} else {
LCD_SetTextColor(LCD_COLOR_RED);
LCD_DisplayStringLine(LINE(2), "Camera Init.. fails");
LCD_DisplayStringLine(LINE(4), "Check the Camera HW ");
LCD_DisplayStringLine(LINE(5), " and try again ");
/* Go to infinite loop */
while (1);
}
}
