/*
 * MyFirstproject.c
 *
 * Created: 14-Jan-13 6:50:18 PM
 *  Author: Lalit
 */ 

#ifndef F_CPU
#define F_CPU 16000000UL 
#endif


#include <avr/io.h>
#include <util/delay.h>
#include <avr/eeprom.h>
 
volatile uint16_t digits[4]={0,0,0,0};
 void breakup(uint16_t num)
   {
    
    DDRD=0xFF;
    PORTD=0xFF;
    unsigned int i=0;
    while(num!=0)
      { 
          digits[i]=num;
    num=num/10;
    i++;
   } 
      
    for(i=0;i<4;i++)
               {
       PORTD=(0<<i); 
              display(digits[i]);
      _delay_ms(5);
           PORTD=(1<<i); 
              
      
     
    
      } 
   
   }
   
   
  
  void display(uint16_t num) 
{
    DDRB=0xFF;
    PORTB=0x00;
    switch(num)
    {
        case 0:
        PORTB=0x7E;
        break;
        case 1:
        PORTB=0x30;
        break;
        case 2:
        PORTB=0x6D;
        break;
        case 3:
        PORTB=0x79;
        break;
        case 4:
        PORTB=0x33;
        break;
        case 5:
        PORTB=0x5B;
        break;
        case 6:
        PORTB=0x5F;
        break;
        case 7:
        PORTB=0x70;
        break;
        case 8:
        PORTB=0x7F;
        break;
        case 9:
        PORTB=0x7B;
        break;
  
        
    }
}
 
   
   

int main(void)
{
 int c;
 DDRB=0xFF;
 DDRC=0x00;
 PORTC=0x01;
 c=0
 while(1)
    {
      if(PINC==0x00)
      {
     
               c++;
                  breakup(c); 
                   _delay_ms(1200);
   }
      
   else
       breakup(c);       
   
      
    
}
}