1. sayfa
#define F_CPU 8000000UL#include <avr/io.h>#include <util/delay.h>#define R1 PB0#define Y1 PB1#define G1 PB2#define R2 PB3#define Y2 PB4#define G2 PB5#define R3 PD5#define Y3 PD4#define G3 PD3#define R4 PD2#define Y4 PD1#define G4 PD0int main(void){ DDRB = 0xff; DDRD = 0xff; DDRC = 0x00; PORTB = 0x00; PORTD = 0x00; while(1) { if((PINC&0x01) == 0x01) { PORTB |= (1<<G1); PORTB |= (1<<Y2); PORTD |= (1<<R3); PORTD |= (1<<R4); } else if((PINC&0x02) == 0x02) { PORTB |= (1<<R1); PORTB |= (1<<G2); PORTD |= (1<<Y3); PORTD |= (1<<R4); } else if((PINC&0x04) == 0x04) { PORTB |= (1<<R1); PORTB |= (1<<R2); PORTD |= (1<<G3); PORTD |= (1<<Y4); } else if((PINC&0x08) == 0x08) { PORTB |= (1<<Y1); PORTB |= (1<<R2); PORTD |= (1<<R3); PORTD |= (1<<G4); } else { PORTB = 0x00; PORTD = 0x00; PORTB |= (1<<G1); PORTB |= (1<<Y2); PORTD |= (1<<R3); PORTD |= (1<<R4); _delay_ms(7000); PORTB = 0x00; PORTD = 0x00; PORTB |= (1<<R1); PORTB |= (1<<G2); PORTD |= (1<<Y3); PORTD |= (1<<R4); _delay_ms(7000); PORTB = 0x00; PORTD = 0x00; PORTB |= (1<<R1); PORTB |= (1<<R2); PORTD |= (1<<G3); PORTD |= (1<<Y4); _delay_ms(7000); PORTB = 0x00; PORTD = 0x00; PORTB |= (1<<Y1); PORTB |= (1<<R2); PORTD |= (1<<R3); PORTD |= (1<<G4); _delay_ms(7000); PORTB = 0x00; PORTD = 0x00; } }}