/*
Fenil Chandarana
Fab Academy 2022
Webpage link: https://fabacademy.org/2022/labs/vigyanashram/students/fenil-chandarana/
*/

#include < avr/io.h>
#include < util/delay.h>

void init_io()
{

  DDRA |= 1 << PA2; //Setting the pin as output
  DDRA &= ~(1 << PA3); //Setting the pin as input

}

int is_button_pressed()
{
  return (PINA & (1 << PA3)) ;
}

void toggle_led()
{
  PORTA |= 0x04;
  _delay_ms(100);

  PORTA &= ~ 0x04;
  _delay_ms(100);
}

int main()
{

  init_io();

  while (1) {
    if (is_button_pressed())
      toggle_led();
  }


  return 0;

}