int ledPin = 13; //store the pin that the status led is connected to in a variable


void setup(){
  pinMode(ledPin, OUTPUT);// set pin ledPin to output  
  pinMode(7, INPUT);// seting pin 7, the pin the switch is connected to, to input
  pinMode(9, OUTPUT);// set pin 9 to output and connect to LED
  pinMode(10, OUTPUT);// set pin 10 to output and connect to LED
  pinMode(11, OUTPUT);// set pin 11 to output and connect to LED
  statusBlink();//call the statusBlink function to blink the status LED at the begining of the program

}




void loop(){

  if(digitalRead(7) == HIGH){//check the switch pin, if it is high then.....
    ledPattern(); //call the ledPattern function
  }
  if(digitalRead(7) == LOW){//check the switch pin, if it is low then.....
    allOff();//call the allOff function
  }

}


void ledPattern(){
  digitalWrite(9, HIGH);//turn the LED on pin 9 high
  delay(150); //wait 150ms
  digitalWrite(9, LOW);//turn the LED on pin 9 low
  delay(150);//wait 150ms
  digitalWrite(10, HIGH);//turn the LED on pin 10 high
  delay(150);//wait 150ms
  digitalWrite(10, LOW);//turn the LED on pin 10 low
  delay(150);//wait 150ms
  digitalWrite(11, HIGH);//turn the LED on pin 11 high
  delay(150);//wait 150ms
  digitalWrite(11, LOW);//turn the LED on pin 11 low
  delay(150);//wait 150ms
}


void allOff(){// turn all the LEDs off
  digitalWrite(9, LOW); 
  digitalWrite(10, LOW); 
  digitalWrite(11, LOW); 

}

void statusBlink(){
  digitalWrite(ledPin, HIGH); //turn pin 13 on 
  delay(150); //wait 150ms
  digitalWrite(ledPin, LOW); //turn pin 13 off
  delay(150);// wait 150ms
  digitalWrite(ledPin, HIGH); //turn pin 13 on 
  delay(150); //wait 150ms
  digitalWrite(ledPin, LOW); //turn pin 13 off
  delay(150);// wait 150ms
  digitalWrite(ledPin, HIGH); //turn pin 13 on 
  delay(150); //wait 150 ms
  digitalWrite(ledPin, LOW); //turn pin 13 off
  delay(150);// wait 150ms
  digitalWrite(ledPin, HIGH); //turn pin 13 on 
  delay(150); //wait 150 ms
  digitalWrite(ledPin, LOW); //turn pin 13 off
  delay(150);// wait 150ms
}