94 lines
2.7 KiB
JavaScript
94 lines
2.7 KiB
JavaScript
var fs = require('fs'),
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http = require('http'),
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socketio = require('socket.io'),
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url = require("url"),
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serialport = require("serialport");
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var SerialPort = serialport.SerialPort;
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var socketServer;
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var serialPort;
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var portName = '/dev/tty.usbmodemFD121'; //change this to your Arduino port
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var sendData = "";
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// handle contains locations to browse to (vote and poll); pathnames.
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function startServer(route,handle,debug)
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{
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// on request event
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function onRequest(request, response) {
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// parse the requested url into pathname. pathname will be compared
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// in route.js to handle (var content), if it matches the a page will
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// come up. Otherwise a 404 will be given.
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var pathname = url.parse(request.url).pathname;
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console.log("Request for " + pathname + " received");
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var content = route(handle,pathname,response,request,debug);
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}
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var httpServer = http.createServer(onRequest).listen(1337, function(){
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console.log("Listening at: http://localhost:1337");
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console.log("Server is up");
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});
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serialListener(debug);
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initSocketIO(httpServer,debug);
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}
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function initSocketIO(httpServer,debug)
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{
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socketServer = socketio.listen(httpServer);
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if(debug == false){
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socketServer.set('log level', 1); // socket IO debug off
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}
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socketServer.on('connection', function (socket) {
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console.log("user connected");
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socket.emit('onconnection', {pollOneValue:sendData});
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socketServer.on('update', function(data) {
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socket.emit('updateData',{pollOneValue:data});
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});
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socket.on('buttonval', function(data) {
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serialPort.write('AT\r');
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console.log('sending:..');
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});
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socket.on('sliderval', function(data) {
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serialPort.write(data + 'P');
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});
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});
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}
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// Listen to serial port
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function serialListener(debug)
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{
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var receivedData = "";
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serialPort = new SerialPort(portName, {
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baudrate: 19200,
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parser: serialport.parsers.readline("\n")
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});
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serialPort.on("open", function () {
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console.log('opened serial communication');
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// Listens to incoming data
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serialPort.on('data', function(data) {
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//receivedData += data.toString();
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//if (receivedData .indexOf('E') >= 0 && receivedData .indexOf('B') >= 0) {
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sendData = '50'; //.substring(receivedData .indexOf('B') + 1, receivedData .indexOf('E'));
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receivedData = '';
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console.log('server event happening..' + data + '.\r');
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//}
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// send the incoming data to browser with websockets.
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socketServer.emit('update', sendData);
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});
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//setTimeout(sendPin,500);
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serialPort.write('AT+CPIN=3797\r');
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console.log("Sent Pincode...");
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});
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}
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function sendPin(){
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serialPort.write('AT+CPIN=3797\r');
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console.log("Sent Pincode...");
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}
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exports.start = startServer;
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