/*
 * c_praks.c
 *
 * Created: 20.04.2018 10:10:02
 * Author : Tudeng
 */

#include <avr/io.h>


int main(void){
	DDRA = 0xFF;

	MCUCR |= (1<<JTD);
	MCUCR |= (1<<JTD);

	DDRF = (0<<PF3) | (0<<PF5);
	PORTF = (1<<PF3) | (1<<PF5);

	while(1)
	{
		if ((PINF & (1<<PF5)) == 0){
			if (PORTA == 0b10000000){
				PORTA = 1;

				while ((PINF & (1<<PF5)) == 0){
					for (uint16_t i=0; i!=500; i++){
						asm volatile("nop");
					}
				}
			}
			else{
				PORTA = PORTA<<1;

				while ((PINF & (1<<PF5)) == 0){
					for (uint16_t i=0; i!=500; i++){
						asm volatile("nop");
					}
				}
			}
		}
		if (!(PINF & (1<<PF3))){
			if (PORTA == 1){
				PORTA = 0b10000000;

				while ((PINF & (1<<PF3)) == 0){
					for (uint16_t i=0; i!=500; i++){
						asm volatile("nop");
					}
				}
			}
			else{
				PORTA = PORTA>>1;

				while ((PINF & (1<<PF3)) == 0){
					for (uint16_t i=0; i!=500; i++){
						asm volatile("nop");
					}
				}
			}
		}
	}
}