#include <avr/io.h>
#include <avr/interrupt.h>

void timer1();
void sleep();

int main() {
    DDRC = 0xFF;
    PORTC = 0b00000000;

    sei();

    //timer1();

    while(1) {
        PORTC = 0b11111111;
        sleep(50000);
        PORTC = 0b00000000;
        sleep(50000);
    }
}

void sleep(long int timems) {
    // warten
}

/*void timer1() {
    TCCRA1 = 0;
}*/