hei

/*
 * main.c
 *
 *  Created on: Feb 12, 2017
 *      Author: rezwan
 */
#include <avr/io.h>
#include <util/delay.h>

#define segment_port PORTD
#define segment_ddr DDRD
#define button PB2
#define button_pin PINB
#define button_ddr DDRB
const uint8_t segment_look_up[] = {
		0b00111111, //0
		0b00000110, //1
		0b01011011, //2
		0b01001111, //3
		0b01100110, //4
		0b01101101, //5
		0b01111101, //6
		0b00000111, //7
		0b01111111, //8
		0b01101111, //9
		0b01110111, //A
		0b01111100, //b
		0b00111001, //C
		0b01011110, //d
		0b01111001, //E
		0b01110001 //F
		};

int main()
{
	button_ddr &= ~(1<<button);
	segment_ddr = 0x7F;//0b0111 1111
	segment_port = 0x00;
	uint8_t i=0;
	while(1)
	{
		if(bit_is_clear(button_pin,button))
		{


			while(bit_is_clear(button_pin,button));
			segment_port = segment_look_up[i];
			if(i<15)
			{
				i++;
			}
			else
			{
				i = 0;
			}
		}

	}
}