cethap/01 bluetooth webapp

## 01 bluetooth webapp
This a bluetooth web-app.

## bower.json
{
    "name": "bluetoothApp",
    "version": "1.0.0",
    "dependencies": {
        "jquery"                    : "~2.0.3"
    }
}

## index.html
<!Doctype htlm>
<html>
	<head>
		<title>Bluetooth Web-app</title>
		<script src="/socket.io/socket.io.js"></script>
		<script src="/bower_components/jquery/jquery.js"></script>
	</head>
	<body>
		<h1>Bluetooth Web-app</h1>
		<button>Search Bluetooth devices</button>
		<ul>

		</ul>
		<input>

		<script type="text/javascript">
  			var socket = io.connect('http://localhost');

			socket.on('search_Bluetooth_stopped', function(){
				$('button').html('Search Bluetooth devices');
			})

			socket.on('connected_Bluetooth', function(data){
				var element = $('.connect-device[data-address="'+data.address+'"]')
				element.html(element[0].innerText + ' <b class="label label-success">live</b>');
			})

			socket.on('device', function(data){
				$('ul').append('<li><a class="connect-device" data-address ="'+ data.address +'">'+ data.name +'</li>');
				$('.connect-device').on('click',function(event){

					var address = $(event.target).attr('data-address');
					socket.emit('open_Bluetooth_Connection', address);
				})
			});

			$('button').on('click', function(event){
				event.preventDefault();
				$('button').html('Scanning');
				$('.bluetoothList').html('');
				socket.emit('search_Bluetooth',"new");
			});
			$('input').on('submit', function (){

			})
			socket.emit('search_Bluetooth',"");
		</script>
	</body>
</html>

## package.json
{
  "name": "BluetoothControl",
  "description": "",
  "version": "0.0.1",
  "private": true,
  "dependencies": {
    "express": "3.x",
    "socket.io": "0.9.16"
  }
}

## server.js
var express = require('express')
  , app = express()
  , server = require('http').createServer(app)
  , io = require('socket.io').listen(server)
  , BTSP = require('bluetooth-serial-port')
  , BTserial = new BTSP.BluetoothSerialPort()
  , fs = require('fs')
  , BTDevices = [];

server.listen(3000);

app.use(express.static(__dirname));

io.sockets.on('connection', function (socket) {

	socket.on('search_Bluetooth', function(data){
    	if (data == "new") {
    		BTserial.close();
    		console.log("search for Bluetooth Device")
    		BTserial.inquire();
    	} else {
    		console.log("return list of Bluetooth Devices");
    		for (var i = 0; i < BTDevices.length; i++) {
    			socket.emit('device',{address: TDevices[i].address, name: TDevices[i].name, channel: TDevices[i].channel});
    		}
    	}
    });

    BTserial.on('found', function(address, name) {
    	BTserial.findSerialPortChannel(address, function(channel) {
    		socket.emit('device',{address: address, name: name, channel: channel});
    		BTDevices.push({address: address, name: name, channel: channel});
    	});
    });

    BTserial.on('failure',function(err){
		console.log('failure: '+ err)
	});

	BTserial.on('finished',function(){
		console.log('finished searching')
		socket.emit('search_Bluetooth_stopped',{});

	})

    socket.on('open_Bluetooth_Connection',function(address){
    	for (var i = 0; i < BTDevices.length; i++) {
    		var channel;
    		if (BTDevices[i].address === address) {
    			channel = BTDevices[i].channel;
    		};
    	};
		BTserial.connect(address, channel, function() {
			socket.emit('connected_Bluetooth',{address:address});
		},function (){
			console.log('Cannot connect');
		});
    });

    socket.on('close_Bluetooth_Connection', function(){
    	BTserial.close();
    });

    socket.on('send_To_Bluetooth', function(data){
    	var buffer = new Buffer(data, 'utf8')
    	BTserial.write(buffer, function (err, bytesWritten){
            	if (err) {
            		console.log(err);
            	}
            	if (bytesWritten == buffer.length) {
            		console.log('All bytes are send');
            	}
            });
    })

    var dataBuffer = "";
    BTserial.on('data', function(buffer) {
    	dataBuffer = dataBuffer + buffer.toString('utf8');
            if(dataBuffer.indexOf("\n") != -1){
                getFromRobot(dataBuffer.slice(0,1));
                dataBuffer = "";
            }

	});
});
	{
	"name": "bluetoothApp",
	"version": "1.0.0",
	"dependencies": {
	"jquery" : "~2.0.3"
	}
	}
	<!Doctype htlm>
	<html>
	<head>
	<title>Bluetooth Web-app</title>
	<script src="/socket.io/socket.io.js"></script>
	<script src="/bower_components/jquery/jquery.js"></script>
	</head>
	<body>
	<h1>Bluetooth Web-app</h1>
	<button>Search Bluetooth devices</button>
	<ul>

	</ul>
	<input>

	<script type="text/javascript">
	var socket = io.connect('http://localhost');

	socket.on('search_Bluetooth_stopped', function(){
	$('button').html('Search Bluetooth devices');
	})

	socket.on('connected_Bluetooth', function(data){
	var element = $('.connect-device[data-address="'+data.address+'"]')
	element.html(element[0].innerText + ' <b class="label label-success">live</b>');
	})

	socket.on('device', function(data){
	$('ul').append('<li><a class="connect-device" data-address ="'+ data.address +'">'+ data.name +'</li>');
	$('.connect-device').on('click',function(event){

	var address = $(event.target).attr('data-address');
	socket.emit('open_Bluetooth_Connection', address);
	})
	});

	$('button').on('click', function(event){
	event.preventDefault();
	$('button').html('Scanning');
	$('.bluetoothList').html('');
	socket.emit('search_Bluetooth',"new");
	});
	$('input').on('submit', function (){

	})
	socket.emit('search_Bluetooth',"");
	</script>
	</body>
	</html>
	{
	"name": "BluetoothControl",
	"description": "",
	"version": "0.0.1",
	"private": true,
	"dependencies": {
	"express": "3.x",
	"socket.io": "0.9.16"
	}
	}
	var express = require('express')
	, app = express()
	, server = require('http').createServer(app)
	, io = require('socket.io').listen(server)
	, BTSP = require('bluetooth-serial-port')
	, BTserial = new BTSP.BluetoothSerialPort()
	, fs = require('fs')
	, BTDevices = [];

	server.listen(3000);

	app.use(express.static(__dirname));

	io.sockets.on('connection', function (socket) {

	socket.on('search_Bluetooth', function(data){
	if (data == "new") {
	BTserial.close();
	console.log("search for Bluetooth Device")
	BTserial.inquire();
	} else {
	console.log("return list of Bluetooth Devices");
	for (var i = 0; i < BTDevices.length; i++) {
	socket.emit('device',{address: TDevices[i].address, name: TDevices[i].name, channel: TDevices[i].channel});
	}
	}
	});

	BTserial.on('found', function(address, name) {
	BTserial.findSerialPortChannel(address, function(channel) {
	socket.emit('device',{address: address, name: name, channel: channel});
	BTDevices.push({address: address, name: name, channel: channel});
	});
	});

	BTserial.on('failure',function(err){
	console.log('failure: '+ err)
	});

	BTserial.on('finished',function(){
	console.log('finished searching')
	socket.emit('search_Bluetooth_stopped',{});

	})

	socket.on('open_Bluetooth_Connection',function(address){
	for (var i = 0; i < BTDevices.length; i++) {
	var channel;
	if (BTDevices[i].address === address) {
	channel = BTDevices[i].channel;
	};
	};
	BTserial.connect(address, channel, function() {
	socket.emit('connected_Bluetooth',{address:address});
	},function (){
	console.log('Cannot connect');
	});
	});

	socket.on('close_Bluetooth_Connection', function(){
	BTserial.close();
	});

	socket.on('send_To_Bluetooth', function(data){
	var buffer = new Buffer(data, 'utf8')
	BTserial.write(buffer, function (err, bytesWritten){
	if (err) {
	console.log(err);
	}
	if (bytesWritten == buffer.length) {
	console.log('All bytes are send');
	}
	});
	})

	var dataBuffer = "";
	BTserial.on('data', function(buffer) {
	dataBuffer = dataBuffer + buffer.toString('utf8');
	if(dataBuffer.indexOf("\n") != -1){
	getFromRobot(dataBuffer.slice(0,1));
	dataBuffer = "";
	}

	});
	});