//By NMD Weerasinghe SLCOTM
// this is without parameter passing
// you need to define many functions asssigning values for each cases
//here we 'll make a function to tun on any LED we want 
//and another Function to Turn off any LED

//int LED_NUM =5;


void setup() {
pinMode(1, OUTPUT);
pinMode(2, OUTPUT);
pinMode(3, OUTPUT);
Serial.begin(9600); 
//Serial.println("LED_NUM : ");
//Serial.println(LED_NUM);
  
}

void loop() {

  LED(1,1);
  delay(1000);
  LED(2,HIGH);
  delay(1000);
  LED(3,true);
  delay(1000);

  LED(3,LOW);
  delay(1000);
  LED(1,false);
  delay(1000);
  LED(2,0);
  delay(1000);


//Serial.println("LED_NUM : ");
//Serial.println(LED_NUM);

 /* 
  LED1_ON();
  delay(1000);
  LED2_ON();
  delay(1000);
  LED1_OFF();
  delay(1000);
  LED2_OFF();
  delay(1000);
  */

}

void LED( int LED_NUM, bool Status)// tur on any led
{
  digitalWrite(LED_NUM + 1, Status);
}



/*

void LED1_ON()
{
  digitalWrite(2, HIGH);
}

void LED2_ON()
{
  digitalWrite(3, HIGH);
}

void LED1_OFF()
{
  digitalWrite(2, LOW);
}

void LED2_OFF()
{
  digitalWrite(3, LOW);
}

*/