6/12/17: Switch

/*Matt Vawrinek
 * 6/09/17
 * Dice Mini Project
 */

 const int pinLed1 = 2;
 const int pinLed2 = 3;
 const int pinLed3 = 4;
 const int pinButt = 5;
 boolean buttPressed = 0;  //this is to tell whether the button is pressed//
 boolean ledOn = 0; //this is for the LED//
 boolean prevButt = 0;
 int counter = 0; //keeping track of how many times you press the button//

void setup()
{
  pinMode (pinLed1, OUTPUT);
  pinMode (pinLed2, OUTPUT);
  pinMode (pinLed3, OUTPUT);
  pinMode (pinButt, INPUT);

  Serial.begin(9600);

  digitalWrite(pinLed1, HIGH);
  digitalWrite(pinLed2, HIGH);
  digitalWrite(pinLed3, HIGH);
  delay(500);
  digitalWrite(pinLed1, LOW);
  digitalWrite(pinLed2, LOW);
  digitalWrite(pinLed3, LOW);



}

void loop()
{
  // put your main code here, to run repeatedly:


  buttPressed = debounce(prevButt);
  if (prevButt == LOW && buttPressed == HIGH)
  {
    counter++;  //++ means add one//
  }

  switch(counter)
  {
    case 1:
    digitalWrite(pinLed1, HIGH);
    digitalWrite(pinLed2, LOW);
    digitalWrite(pinLed3, LOW);
    //do something//
    break;

    case 2:
    digitalWrite(pinLed1, HIGH);
    digitalWrite(pinLed2, HIGH);
    digitalWrite(pinLed3, LOW);
    //do something else//
    break;

    case 3:
    digitalWrite(pinLed1, HIGH);
    digitalWrite(pinLed2, HIGH);
    digitalWrite(pinLed3, HIGH);
    break;

    case 4:
    digitalWrite(pinLed1, LOW);
    digitalWrite(pinLed2, LOW);
    digitalWrite(pinLed3, LOW);
    counter = 0;
    break;
  }


  prevButt = buttPressed; //compare end with start, new value becomes the old value//

}




boolean debounce(boolean last)
{
  boolean current = digitalRead(pinButt);
  if (last != current) // != means not equal to//
  {
    delay(5);
    current = digitalRead(pinButt);
  }
  return current;