U23 2008/Gruppe1

From C4 Wiki
< U23 2008
Revision as of 21:16, 18 August 2008 by 87.79.236.180 (talk) (New page: #include <avr/io.h> #include <util/delay.h> void lampe(uint8_t l) { switch (l) { case 0: PORTC ^= _BV(PC4); break; case 1: PORTD ^= _BV(PD3); break; case 2: PORT...)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to: navigation, search
#include <avr/io.h>
#include <util/delay.h>
void lampe(uint8_t l)
{ 
	switch (l) 
	{
		case 0: PORTC ^= _BV(PC4);
			break;
		case 1: PORTD ^= _BV(PD3);
			break;
		case 2: PORTD ^= _BV(PD6);
			break;
		case 3: PORTD ^= _BV(PD7);
			break;
		default: break;
	}
}
void main(void) {
	/* config PD7 as output */

	DDRC = _BV(PC4);
	DDRD = _BV(PD3) | _BV(PD6) | _BV(PD7); 

	uint8_t ls[] = {0, 1, 0, 2, 1, 3, 2, 1, 3};
	uint8_t p=0;

	while(1) {
		//PORTD ^= _BV(PD7);
		uint8_t i;
		
		lampe(ls[p]);
		p++;
		for (i = 0; i < 76; i++) {
			/* wait 4 * 65536 cycles */
			_delay_loop_2(0);
		}
	}
	for ( ;; ) ;

}