#define F_CPU 1000000UL
#include <avr/io.h>
#include <util/delay.h>
#include <avr/interrupt.h>
#include <TinyDebug.h>
//#include <util/millis.h>
static volatile unsigned long last_interrupt_time = 0;
volatile unsigned long interrupt_time = 0;
volatile bool mojstate=false;
//volatile unsigned long last_interrupt_time = 0;

//void setup() {

//}
void timer_config()
{
 //DDRB =0b00000010; // set PB1 as output
 TCCR0A=0x00;             //Normal mode
 TCCR0B=0x00;
 TCCR0B |= (1 << CS01);
 //TCCR0B |= (1<<CS00);   //prescaling with 1024
 TIMSK |= (1 << TOIE0);
 TCNT0=0;
}



ISR (PCINT0_vect)
{
 //cli();
 //GIMSK |= (0<<INT0);
 //GIMSK &= ~(1<<INT0); 
 //sei();
 //last_interrupt_time = 0;
  //delay(10);
 // delay(0.1);
// unsigned long  interrupt_time = millis();
// interrupt_time = millis();
 Debug.println(interrupt_time);
 Debug.println(last_interrupt_time);
  
  //interrupt_time = millis();
  //m=millis();
  //if (m - last_millis > 10)
  // { 
  //   PORTB ^= (1<<PB0);    // Toggling the PB2 pin
  //   PORTB ^= (1<<PB1);    // Toggling the PB2 pin
  // }
  Debug.println(digitalRead(PB0));

 // while(!digitalRead(PB2)){
  if (millis()-last_interrupt_time < 200 ) 
  {
    //PORTB ^= (1<<PB0);    // Toggling the PB2 pin
    //PORTB ^= (1<<PB1);    // Toggling the PB2 pin,
    //mojstate=false;
   
   
  } else
  {
      // Toggling the PB2 pin
  //  PORTB ^= (1<<PB3);    // Toggling the PB2 pin,
    
    mojstate=!mojstate;    // Toggling the PB2 pin,
    //last_interrupt_time = 0;
   // last_interrupt_time=millis();
    TCNT0=0;
    //interrupt_time=0;
    //delay(0.1);
  }
  last_interrupt_time=millis();
  //delay(0.1);
//}
  
  //delay(0.5);
  
  //last_millis = m;
 //sei();
 //cli();
 
}




void external_interrupt()
{
  Debug.begin();
  Debug.println(F("Hello, TinyDebug!"));
  DDRB |= (1<<PB3)|(1<<PB1)|(0<<PB0);     // set PB2 as output(LED)
  //PORTB |= (1<<PB2);
  //init_millis();
  //     //enabling global interrupt
  
      //  sbi(TCCR0A, WGM01);
      //sbi(TCCR0A, WGM00);

// set timer 0 prescale factor to 64

      //sbi(TCCR0B, CS01);
      //sbi(TCCR0B, CS00);
  //MCUCR |=(1<<ISC01);
  //PCMSK|=(1<<PCINT0);
  //TIMSK |= (1<<TOIE0);
  GIMSK |= (1<<INT0)|(1<<PCIE);    // enabling the INT0 (external interrupt) 
  PCMSK|=(1<<PCINT0);
  MCUCR |= (1<<ISC01);    // Configuring as falling edge ,
  sei();

  
}


int main()
{
  timer_config();
  external_interrupt();
  while(1)
  {
    //last_interrupt_time = 0;
    //cli();
    //attachInterrupt();
    //GIMSK |= (1<<INT0); 
    //sei();
    
    delayMicroseconds(100);
   //cli();
   
        //last_interrupt_time = 0;
       // Debug.println(F("Milis"));
    if(mojstate){
     //  PORTB |=(1<<PB1)|(1<<PB3);
       PORTB ^= (1<<PB3);
        PORTB ^= (1<<PB1); 
    } else {
     // PORTB &= ~(1<<PB3);
    }
    // sei();
    //GIMSK |= (1<<INT0);
    //delayMicroseconds(100);
    
  }
}