/*
 Blink programmed with embedded C Arduino Uno for Pin no. 13
  Turns one LED on for one tenth of the second, then off for one tenth second,  
 
  Written 17 March 2022
  by Kiran Wakchaure 
  Fab Academy 2022
 */

#include <avr/io.h>

#include <util/delay.h>

int main (void)
{
  // Adruino uno onboard LED is connected to the pin no. 13
  DDRB |= 0X20; // Pin no. 13 PB5


  while(1) {
    // turn LED on
    PORTB |= 0X20; // set the bit 5 to 1 (drive the PB5 high > turn LED on) 
    _delay_ms(1000);
   
   // turn LED off
    PORTB &= ~ 0X20; // set the bit 5 to 0 (drive the PB5 low > turn LED off) 
    _delay_ms(1000);
  

  }
}