/* Get a frame from the camera.
Serial protocol char: I */
void get_frame () {
unsigned char ch;
move_image((unsigned char *)DMA_BUF1, (unsigned char *)DMA_BUF2, (unsigned char *)FRAME_BUF, imgWidth, imgHeight);
if (overlay_flag) {
frame[9] = (framecount % 10) + 0x30;
frame[8] = ((framecount/10)% 10) + 0x30;
frame[7] = ((framecount/100)% 10) + 0x30;
set_caption(frame, imgWidth);
}
output_start = (unsigned char *)JPEG_BUF;
output_end = encode_image((unsigned char *)FRAME_BUF,
output_start, quality, FOUR_TWO_TWO, imgWidth, imgHeight);
image_size = (unsigned int)(output_end - output_start);
led1_on();
framecount++;
uart0SendString(imgHead);
uart0SendChar((unsigned char)(image_size & 0x000000FF));
uart0SendChar((unsigned char)((image_size & 0x0000FF00) >> 8));
uart0SendChar((unsigned char)((image_size & 0x00FF0000) >> 16));
uart0SendChar(0x00);
cp = (unsigned char *)JPEG_BUF;
for (i=0; i<image_size; i++) {
while (*pPORTHIO & 0x0001) {
continue;
}
uart0SendChar(*cp++);
}
while (uart0GetChar(&ch)) {
// flush input
continue;
}
}
int input()
{
char ch;
start_check();
uart0GetChar(&ch);
finish_check();
return (unsigned int)ch;
}
static int uart0GetCharStd(FILE *stream) {
if (uart0IsChar()) return uart0GetChar();
return EOF;
}