Ejemplo n.º 1
0
void display_multiplex(void)
{
	clear_display();
	if (display_on) {
		switch (shield) {
#ifdef iv6_support
			case SHIELD_IV6:
				write_vfd_iv6(multiplex_counter, calculate_segments_7(data[multiplex_counter]));
				break;
#endif
#ifdef iv17_support
			case SHIELD_IV17:
				write_vfd_iv17(multiplex_counter, calculate_segments_16(data[multiplex_counter]));
				break;
#endif
			case SHIELD_IV18:
				if (multiplex_counter == 8) 
					write_vfd_iv18(8, g_iv18seg0);
				else 
					write_vfd_iv18(multiplex_counter, calculate_segments_7(data[7-multiplex_counter]));
				break;
#ifdef iv17_6digit_support
			case SHIELD_IV17_6D:
				write_vfd_iv17_6d(multiplex_counter, calculate_segments_16(data[multiplex_counter]));
				break;
#endif
			default:
				break;
		}
	}
	multiplex_counter++;
	if (multiplex_counter == mpx_limit) multiplex_counter = 0;
	STROBE_HIGH;  // Pulse Strobe to update Latch data
	STROBE_LOW;	
}
Ejemplo n.º 2
0
// display multiplexing routine for 4 digits: run once every 1 ms
void display_multiplex_iv17(void)
{
	clear_display();
	switch (multiplex_counter) {
		case 0:
			write_vfd_iv17(0, calculate_segments_16(display_on ? data[0] : ' '));
			break;
		case 1:
			write_vfd_iv17(1, calculate_segments_16(display_on ? data[1] : ' '));
			break;
		case 2:
			write_vfd_iv17(2, calculate_segments_16(display_on ? data[2] : ' '));
			break;
		case 3:
			write_vfd_iv17(3, calculate_segments_16(display_on ? data[3] : ' '));
			break;
	}
	multiplex_counter++;
	// g_brightness == 1 thru 10
	if (multiplex_counter == (4 + (18 - (g_brightness-1)*2))) multiplex_counter = 0;
}