Esempio n. 1
0
/* 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;
	}
}
Esempio n. 2
0
int input()
{
    char ch;

    start_check();
    uart0GetChar(&ch);
    finish_check();
    return (unsigned int)ch;
}
Esempio n. 3
0
static int uart0GetCharStd(FILE *stream) {
	if (uart0IsChar()) return uart0GetChar();
	return EOF;
}