MiniProjectPrototype3

/*
 *  Lighting all the LED mini project prototype
 *  Rylyn Koger
 *  Version 2 06/09/2017
 *
 */

 const int pinBlue=5;
 const int pinWhite=4;
 const int pinRed=3;
 const int pinButton=2;
 int readValue= 0;
 int counter=0;
 int currentState=0;
 int previousState=0;
 boolean flag=0;
 boolean lastButton=0;

void setup()
{
  pinMode(pinBlue, OUTPUT);
  pinMode(pinWhite, OUTPUT);
  pinMode(pinRed, OUTPUT);
  pinMode(pinButton, INPUT);
  digitalWrite(pinBlue, HIGH);
  delay(1000);
  digitalWrite(pinWhite, HIGH);
  delay(1000);
  digitalWrite(pinRed, HIGH);
  delay(1000);
  digitalWrite(pinBlue, LOW);
  digitalWrite(pinWhite, LOW);
  digitalWrite(pinRed, LOW);
  Serial.begin(9600);

}

void loop()
//Serial.print(digitalRead(pinButton);
{
  readValue = digitalRead(pinButton);
  delay (5);
  readValue = debounce(lastButton);     // will go and read the Button
  if (lastButton == LOW && readValue == HIGH)    // Checks if the button has been pressed
  {
  counter ++;
  }
  if(counter==1)
  {
  digitalWrite (pinBlue, HIGH);
    digitalWrite (pinWhite, LOW);
    digitalWrite (pinRed, LOW);
  }
  else if(counter==2)
  {
  digitalWrite(pinBlue, LOW);
    digitalWrite(pinWhite, HIGH);
    digitalWrite(pinRed, LOW);
  }
  else if (counter==3)
  {
  digitalWrite(pinBlue, LOW);
    digitalWrite(pinWhite, LOW);
    digitalWrite(pinRed, HIGH);
  }
  else
  {
  digitalWrite(pinBlue, LOW);
    digitalWrite(pinWhite, LOW);
    digitalWrite(pinRed, LOW);
  counter= 0;
  }
lastButton = readValue;

}

boolean debounce(boolean last)
{
  boolean current = digitalRead(pinButton);
  if (last != current)
  {
    delay(5);
    current = digitalRead(pinButton);
  }
  return current;
}