Die Project

/*
 * Manvi Mittal
 * Dice Prototype with 6 LEDs and random
 */

const int pinLed1 = 2;
const int pinLed2 = 3;
const int pinLed3 = 4;
const int pinLed4 = 8;
const int pinLed5 = 9;
const int pinLed6 = 10;
const int pinLed0 = 11;
const int pinButt = 5;
boolean buttPressed = 0;
boolean ledOn = 0;
boolean prevButt = 0;
int randito = 0;

void setup()
{
  // put your setup code here, to run once:
  pinMode (pinLed1, OUTPUT);
  pinMode (pinLed2, OUTPUT);
  pinMode (pinLed3, OUTPUT);
  pinMode (pinLed4, OUTPUT);
  pinMode (pinLed5, OUTPUT);
  pinMode (pinLed6, OUTPUT);
  pinMode (pinLed0, OUTPUT);
  pinMode (pinButt, INPUT);

  Serial.begin (9600);

  digitalWrite (pinLed1, HIGH);
  digitalWrite (pinLed2, HIGH);
  digitalWrite (pinLed3, HIGH);
  digitalWrite (pinLed4, HIGH);
  digitalWrite (pinLed5, HIGH);
  digitalWrite (pinLed6, HIGH);
  digitalWrite (pinLed0, HIGH);
  delay (500);
  digitalWrite (pinLed1, LOW);
  digitalWrite (pinLed2, LOW);
  digitalWrite (pinLed3, LOW);
  digitalWrite (pinLed4, LOW);
  digitalWrite (pinLed5, LOW);
  digitalWrite (pinLed6, LOW);
  digitalWrite (pinLed0, LOW);
  randomSeed (analogRead (A0));

}

void loop()
{
  // put your main code here, to run repeatedly:
  buttPressed = digitalRead (pinButt);
  //Serial.print (buttPressed);

  buttPressed = debounce (prevButt);
  if (prevButt == LOW && buttPressed == HIGH)
  {
    randito = random(6) + 1;
    /*
     * random (6) + 1 is the same as random (1, 7) which is [1, 7) because random 6 is [0, 6)
     */
    Serial.print (randito);
  }

switch (randito)
 {
  case 1:
     digitalWrite (pinLed0, HIGH);
     digitalWrite (pinLed1, LOW);
     digitalWrite (pinLed2, LOW);
     digitalWrite (pinLed3, LOW);
     digitalWrite (pinLed4, LOW);
     digitalWrite (pinLed5, LOW);
     digitalWrite (pinLed6, LOW);
  break;

  case 2:
     digitalWrite (pinLed0, LOW);
     digitalWrite (pinLed1, HIGH);
     digitalWrite (pinLed2, LOW);
     digitalWrite (pinLed3, LOW);
     digitalWrite (pinLed4, LOW);
     digitalWrite (pinLed5, LOW);
     digitalWrite (pinLed6, HIGH);
  break;

  case 3:
     digitalWrite (pinLed0, HIGH);
     digitalWrite (pinLed1, HIGH);
     digitalWrite (pinLed2, LOW);
     digitalWrite (pinLed3, LOW);
     digitalWrite (pinLed4, LOW);
     digitalWrite (pinLed5, LOW);
     digitalWrite (pinLed6, HIGH);
  break;

  case 4:
     digitalWrite (pinLed0, LOW);
     digitalWrite (pinLed1, HIGH);
     digitalWrite (pinLed2, LOW);
     digitalWrite (pinLed3, HIGH);
     digitalWrite (pinLed4, HIGH);
     digitalWrite (pinLed5, LOW);
     digitalWrite (pinLed6, HIGH);
  break;

  case 5:
     digitalWrite (pinLed0, HIGH);
     digitalWrite (pinLed1, HIGH);
     digitalWrite (pinLed2, LOW);
     digitalWrite (pinLed3, HIGH);
     digitalWrite (pinLed4, HIGH);
     digitalWrite (pinLed5, LOW);
     digitalWrite (pinLed6, HIGH);
  break;

  case 6:
     digitalWrite (pinLed0, LOW);
     digitalWrite (pinLed1, HIGH);
     digitalWrite (pinLed2, HIGH);
     digitalWrite (pinLed3, HIGH);
     digitalWrite (pinLed4, HIGH);
     digitalWrite (pinLed5, HIGH);
     digitalWrite (pinLed6, HIGH);
  break;
 }

  prevButt = buttPressed;
}



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