blink_avr.pde

/*
  Rework original sample with AVR-GCC.
 */

// the setup function runs once when you press reset or power the board
void setup() {
  // initialize digital pin 13 as an output.
  DDRB |= (1 << 5);    // pinMode(13, OUTPUT);  
}

// the loop function runs over and over again forever
void loop() {
  PORTB |= (1 << 5);      //digitalWrite(13, HIGH);   
  delay(1000);          
  PORTB &= ~(1 << 5);     //digitalWrite(13, LOW); 
  delay(1000);          
}