int main()
{
setup();
unsigned long previous_time = 0;
static int k = 0;
uint8_t temp;
struct timeval tv;
struct timezone tz;
write_reg(ARDUCHIP_MODE, 0x01); //Switch to CAM
while(1)
{
temp = read_reg(ARDUCHIP_TRIG);
if(!(temp & VSYNC_MASK)) //New Frame is coming
{
write_reg(ARDUCHIP_MODE, 0x00); //Switch to MCU
resetXY();
write_reg(ARDUCHIP_MODE, 0x01); //Switch to CAM
while(!(read_reg(ARDUCHIP_TRIG)&0x01)); //Wait for VSYNC is gone
}
else if(temp & SHUTTER_MASK)
{
gettimeofday (&tv , &tz);
previous_time = tv.tv_sec;
//printf("previous_time is %d.\n",previous_time);
while(read_reg(ARDUCHIP_TRIG) & SHUTTER_MASK)
{
gettimeofday (&tv , &tz);
//printf("put time is %d.\n",tv.tv_sec);
if((tv.tv_sec - previous_time) >= 2)
{
Playback();
delayms(1000);
}
}
gettimeofday (&tv , &tz);
if((tv.tv_sec - previous_time) < 2)
{
//printf(" get time is %d.\n",tv.tv_sec);
memset(filePath,0,28);
strcat(filePath,"/home/pi/");
getnowtime();
strcat(filePath,nowtime);
strcat(filePath,".bmp");
//Open the new file
fp = fopen(filePath,"w+");
if (fp == NULL)
{
printf("open file failed\n");
return 0;
} //Generate file name
write_reg(ARDUCHIP_MODE, 0x00); //Switch to MCU, freeze the screen
GrabImage(filePath);
}
}
}
}
int main(void)
{
BOOL isShowFlag = TRUE;
int nmemb = 1;
setup();
while(1)
{
uint8_t buf[256];
static int i = 0;
uint8_t temp,temp_last;
uint8_t start_capture = 0;
//Wait trigger from shutter buttom
if(arducam_read_reg(ARDUCHIP_TRIG) & SHUTTER_MASK)
{
isShowFlag = FALSE;
arducam_write_reg(ARDUCHIP_MODE, 0x00);
arducam_set_format(fmtJPEG);
arducam_init();
arducam_write_reg(ARDUCHIP_TIM, VSYNC_LEVEL_MASK); //VSYNC is active HIGH
//Wait until buttom released
while(arducam_read_reg(ARDUCHIP_TRIG) & SHUTTER_MASK);
arducam_delay_ms(1000);
start_capture = 1;
}
else
{
if(isShowFlag )
{
temp = arducam_read_reg(ARDUCHIP_TRIG);
if(!(temp & VSYNC_MASK)) //New Frame is coming
{
arducam_write_reg(ARDUCHIP_MODE, 0x00); //Switch to MCU
resetXY();
arducam_write_reg(ARDUCHIP_MODE, 0x01); //Switch to CAM
while(!(arducam_read_reg(ARDUCHIP_TRIG)&0x01)); //Wait for VSYNC is gone
}
}
}
if(start_capture)
{
//Flush the FIFO
arducam_flush_fifo();
//Clear the capture done flag
arducam_clear_fifo_flag();
//Start capture
arducam_start_capture();
printf("Start Capture\n");
}
if(arducam_read_reg(ARDUCHIP_TRIG) & CAP_DONE_MASK)
{
printf("Capture Done!\n");
//Construct a file name
char filePath[128];
time_t timep;
struct tm *p;
time(&timep);
p = localtime(&timep);
printf("Capture Done!\n");
snprintf(filePath, sizeof(filePath), "/home/pi/%04d%02d%02d%02d%02d%02d.bmp", 1900+p->tm_year, 1+p->tm_mon, p->tm_mday, p->tm_hour, p->tm_min, p->tm_sec);
//Open the new file
FILE *fp = fopen(filePath,"w+");
if (fp == NULL)
{
printf("open file failed");
exit(EXIT_FAILURE);
}
i = 0;
temp = arducam_read_fifo();
//Write first image data to buffer
buf[i++] = temp;
//Read JPEG data from FIFO
while( (temp != 0xD9) | (temp_last != 0xFF) )
{
temp_last = temp;
temp = arducam_read_fifo();
//Write image data to buffer if not full
if(i < 256)
buf[i++] = temp;
else
{
//Write 256 uint8_ts image data to file
fwrite(buf,256,nmemb,fp);
i = 0;
buf[i++] = temp;
}
}
//Write the remain uint8_ts in the buffer
if(i > 0)
fwrite(buf,i,nmemb,fp);
//Close the file
fclose(fp);
//Clear the capture done flag
arducam_clear_fifo_flag();
//Clear the start capture flag
start_capture = 0;
arducam_set_format(fmtBMP);
arducam_init();
isShowFlag = TRUE;
}
}
exit(EXIT_SUCCESS);
}
