zefanja/index.html

## index.html
<!DOCTYPE html>
<html>
    <head>
        <meta charset="UTF-8">
        <title>Robot Project</title>
	    <script src="/socket.io/socket.io.js"></script>
	    <script>
                //Damit lesen wir den Gyroskopen aus
        	window.addEventListener("deviceorientation", handleOrientation, true);

        	function handleOrientation(inEvent) {
     	            var socket = io.connect('http://192.168.1.15');
	            if (inEvent.beta < 0 && inEvent.gamma > -15 && inEvent.gamma < 15)
    	                socket.emit('forwards');
	            else if (inEvent.beta >= 0 && inEvent.beta <= 60  && inEvent.gamma > -15 && inEvent.gamma < 15)
       	                socket.emit('stop');
	            else if (inEvent.beta > 60  && inEvent.gamma > -15 && inEvent.gamma < 15)
    	                socket.emit('backwards');
                    else if (inEvent.gamma < -15)
                        socket.emit('turnLeft');
                    else if (inEvent.gamma > 15)
                        socket.emit('turnRight');

                    //Optionale Ausgabe der Werte des Gyroskopen
		    document.getElementById("alpha").innerHTML = inEvent.alpha;
		    document.getElementById("beta").innerHTML = inEvent.beta;
		    document.getElementById("gamma").innerHTML = inEvent.gamma;
		    return true;
        	}
        </script>
    </head>
    <body>
        <h1>Robot Project</h1>
        <p id="alpha"></p>
        <p id="beta"></p>
        <p id="gamma"></p>
    </body>
</html>

## robot.js
var gpio = require("./node-rpio/lib/rpio");
var app = require('http').createServer(handler)
  , io = require('socket.io').listen(app)
  , fs = require('fs')

app.listen(80);

function handler (req, res) {
  fs.readFile(__dirname + '/index.html',
  function (err, data) {
    if (err) {
      res.writeHead(500);
      return res.end('Error loading index.html');
    }

    res.writeHead(200);
    res.end(data);
  });
}

io.sockets.on('connection', function (socket) {
    socket.on('forwards', function () {
        forwards();
    });
    socket.on('backwards', function () {
        backwards();
    });
    socket.on('stop', function () {
        stop();
    });
    socket.on('turnRight', function () {
        turnRight();
    });
    socket.on('turnLeft', function () {
        turnLeft();
    });
});

//Setup GPIO Pins
gpio.setmode(gpio.BOARD);
gpio.setup(13, gpio.OUT);
gpio.setup(15, gpio.OUT);
gpio.setup(16, gpio.OUT);
gpio.setup(18, gpio.OUT);

function forwards() {
    gpio.output(13, 1);
    gpio.output(15, 0);
    gpio.output(16, 1);
    gpio.output(18, 0);
}

function backwards() {
    gpio.output(13, 0);
    gpio.output(15, 1);
    gpio.output(16, 0);
    gpio.output(18, 1);
}

function turnRight() {
    gpio.output(13, 0);
    gpio.output(15, 0);
    gpio.output(16, 1);
    gpio.output(18, 0);
}

function turnLeft() {
    gpio.output(13, 1);
    gpio.output(15, 0);
    gpio.output(16, 0);
    gpio.output(18, 0);
}

function stop() {
    gpio.output(13, 0);
    gpio.output(15, 0);
    gpio.output(16, 0);
    gpio.output(18, 0);
}

process.on('SIGINT', function() {
    console.log("\nGracefully shutting down from SIGINT (Ctrl+C)");
    //Cleanup
    gpio.cleanup();
    process.exit();
});
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="UTF-8">
	<title>Robot Project</title>
	<script src="/socket.io/socket.io.js"></script>
	<script>
	//Damit lesen wir den Gyroskopen aus
	window.addEventListener("deviceorientation", handleOrientation, true);

	function handleOrientation(inEvent) {
	var socket = io.connect('http://192.168.1.15');
	if (inEvent.beta < 0 && inEvent.gamma > -15 && inEvent.gamma < 15)
	socket.emit('forwards');
	else if (inEvent.beta >= 0 && inEvent.beta <= 60 && inEvent.gamma > -15 && inEvent.gamma < 15)
	socket.emit('stop');
	else if (inEvent.beta > 60 && inEvent.gamma > -15 && inEvent.gamma < 15)
	socket.emit('backwards');
	else if (inEvent.gamma < -15)
	socket.emit('turnLeft');
	else if (inEvent.gamma > 15)
	socket.emit('turnRight');

	//Optionale Ausgabe der Werte des Gyroskopen
	document.getElementById("alpha").innerHTML = inEvent.alpha;
	document.getElementById("beta").innerHTML = inEvent.beta;
	document.getElementById("gamma").innerHTML = inEvent.gamma;
	return true;
	}
	</script>
	</head>
	<body>
	<h1>Robot Project</h1>
	<p id="alpha"></p>
	<p id="beta"></p>
	<p id="gamma"></p>
	</body>
	</html>
	var gpio = require("./node-rpio/lib/rpio");
	var app = require('http').createServer(handler)
	, io = require('socket.io').listen(app)
	, fs = require('fs')

	app.listen(80);

	function handler (req, res) {
	fs.readFile(__dirname + '/index.html',
	function (err, data) {
	if (err) {
	res.writeHead(500);
	return res.end('Error loading index.html');
	}

	res.writeHead(200);
	res.end(data);
	});
	}

	io.sockets.on('connection', function (socket) {
	socket.on('forwards', function () {
	forwards();
	});
	socket.on('backwards', function () {
	backwards();
	});
	socket.on('stop', function () {
	stop();
	});
	socket.on('turnRight', function () {
	turnRight();
	});
	socket.on('turnLeft', function () {
	turnLeft();
	});
	});

	//Setup GPIO Pins
	gpio.setmode(gpio.BOARD);
	gpio.setup(13, gpio.OUT);
	gpio.setup(15, gpio.OUT);
	gpio.setup(16, gpio.OUT);
	gpio.setup(18, gpio.OUT);

	function forwards() {
	gpio.output(13, 1);
	gpio.output(15, 0);
	gpio.output(16, 1);
	gpio.output(18, 0);
	}

	function backwards() {
	gpio.output(13, 0);
	gpio.output(15, 1);
	gpio.output(16, 0);
	gpio.output(18, 1);
	}

	function turnRight() {
	gpio.output(13, 0);
	gpio.output(15, 0);
	gpio.output(16, 1);
	gpio.output(18, 0);
	}

	function turnLeft() {
	gpio.output(13, 1);
	gpio.output(15, 0);
	gpio.output(16, 0);
	gpio.output(18, 0);
	}

	function stop() {
	gpio.output(13, 0);
	gpio.output(15, 0);
	gpio.output(16, 0);
	gpio.output(18, 0);
	}

	process.on('SIGINT', function() {
	console.log("\nGracefully shutting down from SIGINT (Ctrl+C)");
	//Cleanup
	gpio.cleanup();
	process.exit();
	});