#include<avr/io.h>

#include<util/delay.h>

int main(){

unsigned char number[] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x98};

unsigned char number_dot[] = {0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x18};

int location[] = {0B11111110, 0B11111101, 0B11111011, 0B11110111};

DDRA = 0xff;

DDRC = 0xff;

DDRF = 0xff;

int s=0, m=0, h=12, tm=0;

int s1,s10,m1,m10,h1,h10,tm1,tm10;

s1=s%10;

s10=s/10;

h1=h%10;

h10=h/10;

while(1){

if(PINF !=0){

switch(PINF){

case 1: 

s++;

h=12;

while(1){

tm1=tm%10;

tm10=tm/10;

h1=h%10;

h10=h/10;

PORTA=number[h10]; PORTC=location[0]; _delay_ms(30);

PORTA=number_dot[h1]; PORTC=location[1]; _delay_ms(30);

PORTA=number[tm10]; PORTC=location[2]; _delay_ms(30);

PORTA=number[tm1]; PORTC=location[3]; _delay_ms(30);

tm++;

if(tm>59)

{

h++;

tm=0;

}

if(h>23)

{

h=0;

}

}//////////////////////////////////////////////////////   while끝

case 2:

s++;

m=0;

while(1){

s1=s%10;

s10=s/10;

m1=m%10;

m10=m/10;

PORTA=number[m10]; PORTC=location[0]; _delay_ms(30);

PORTA=number_dot[m1]; PORTC=location[1]; _delay_ms(30);

PORTA=number[s10]; PORTC=location[2]; _delay_ms(30);

PORTA=number[s1]; PORTC=location[3]; _delay_ms(30);

s++;

if(s>59)

{

m++;

s=0;

}

}//////////////////////////////////////////////////////   while끝

}//////////////////////////////////////////////////////   switch끝

}//////////////////////////////////////////////////////   if끝

}//////////////////////////////////////////////////////   while끝

}// main끝