/**
*	@brief		 Initialization function for Arduino UNO.
*	@test		   MISRA-C 2012 Compliant function.
*	@return    void
*/
void setup(void)
{
  /*
    DDRD stands for The Port D Data Direction Register.
    Initializing the PORT D's 0th bit PD0 pin of arduino UNO as OUTPUT
  */
  DDRD=0b00000001;

  while(true)
  {
    /*
    PORTD stands for The Port D Data Register.
    Bit 0 is getting SET to HIGH, it will give logic HIGH to the connected LED on the
    PD0 Pin.
    */
    PORTD=0b00000001;

    /*
      Giving one second of delay to acheive 1Hz frequency for LED blinking.
    */
    delay(1000);     
    
    /*
      PORTD stands for The Port D Data Register.
      Bit 0 is getting SET to LOW, it will give logic LOW to the connected LED on the
      PD0 Pin.
    */
    PORTD=0b00000000;

    /*
      Giving one second of delay to acheive 1Hz frequency for LED blinking.
    */
    delay(1000);
  }
}