Project 6.js

var b = require('bonescript');

var red = "P8_13";
var yellow = "P8_15";
var green = "P8_17";
var inputPin = "P8_10";

var switchstatus =0;

b.pinMode(red, b.OUTPUT);
b.pinMode(yellow, b.OUTPUT);
b.pinMode(green, b.OUTPUT);
b.pinMode(inputPin, b.INPUT);

var on = b.HIGH;
var off = b.LOW;

setInterval(check,200);

function check(){
b.digitalRead(inputPin, checkButton);
}

function checkButton(x) {
    if (x.value == 1){
        switchstatus++;
        switch (switchstatus){
            case 1: setTimeout (function (){b.digitalWrite(red, on);
            b.digitalWrite(yellow, off); b.digitalWrite(green, off);}, 500);
                break;
            case 2: setTimeout (function (){b.digitalWrite(yellow, on);}, 500);
                break;
            case 3: setTimeout (function (){b.digitalWrite(red, off);
            b.digitalWrite(yellow, off); b.digitalWrite(green, on);}, 500);
                break;
            case 4: setTimeout (function (){b.digitalWrite(yellow, on);
            b.digitalWrite(green, on);}, 500);
                break;
            default: switchstatus = 0;
                break;
        }
    }
    else if (switchstatus >=5){
            switchstatus = 0;
        }
}