void init_timer();
void setup()
{
  volatile long i,j,y; 
   char *dira,*dirk,x;
   char *outa,*ink;
  dira=0x30;
  dirk=0x107;
  outa=0x31;
  ink=0x106;
  *dira=0x01;
  *dirk=0x00;
   unsigned long temp_faultin1,temp_faultin,temp_accept,temp_reset;
  temp_faultin=0;
  temp_accept=0;
  temp_reset=0;
  temp_faultin1=0;

  
 while(1)
  {
  
  
 x=*ink;
  if((x & 0b00000001) == 0b00000001){
  
temp_faultin=1;

}

if((x & 0b00001000) == 0b00001000){
  
temp_faultin1=1;

}
if((x & 0b00000010) == 0b00000010)
{
temp_accept=1;

}
if((x & 0b00000100) == 0b00000100)
{
  temp_reset=1;


}
if(temp_faultin & !temp_accept)
{
  for(i=0;i<500000;i++);
 //init_timer();
 outa= 0x01;
 for(i=0;i<500000;i++);
  }
 if(temp_faultin1 & !temp_accept)
 {
 for(i=0;i<50000;i++);
  outa=0x02;
//init_timer();
 for(i=0;i<50000;i++);
  }

  if(temp_faultin & temp_accept){
*outa=0x01;
  }
  if(temp_faultin1 & temp_accept){
    *outa=0x02;
  }

  
if( temp_reset==1 )
{
  temp_faultin=0;
  temp_accept=0;
  //x=0x00;
  *outa=0x00;
  temp_reset=0;
  temp_faultin1=0;
}
}

}
void init_timer()
{
  volatile char *Timer1_TCCR1A=0x80;
  volatile char *Timer1_TCCR1B=0x81;
  volatile short *Timer1_TCNT1=0x84;
  volatile char *Timer1_TIMSK1=0x6F;
  volatile short *Timer1_OCR1A=0x88;
  *Timer1_TCCR1A=0;
  *Timer1_TCCR1B=0;
  *Timer1_TCNT1=0;
  *Timer1_OCR1A=9000;
  *Timer1_TCCR1B=0x0C;
  *Timer1_TIMSK1=0x02;


}
ISR(TIMER1_COMPA_vect)
{
 // volatile char *portf_dir=(volatile char *)0x30;
 // *portf_dir=0x01;
 volatile char *outa;
 outa=0x31;
 unsigned long temp_faultin1,temp_faultin,temp_accept,temp_reset;
 if(temp_faultin & !temp_accept){
  *outa^= 0x01;
 }
 if(temp_faultin1 & !temp_accept){
  *outa=0x02;
}
}