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January 25, 2017 04:42
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| var config = require("./config.js"); | |
| var socket = require("socket.io-client")(config.server_url); | |
| var gpio = require("rpi-gpio"); | |
| var sensorLib = require('node-dht-sensor'); | |
| var data=0; | |
| process.on("SIGINT", function(){ | |
| gpio.write(config.led, 1, function(){ | |
| gpio.destroy(function(){ | |
| process.exit(); | |
| }); | |
| }); | |
| }); | |
| gpio.setup(config.led, gpio.DIR_OUT, function(){ | |
| gpio.write(config.led, 1); // turns led off | |
| }); | |
| var dht_sensor = { | |
| initialize: function () { | |
| return sensorLib.initialize(11, 4); | |
| }, | |
| read: function () { | |
| var readout = sensorLib.read(); | |
| console.log('Temperature: ' + readout.temperature.toFixed(2) + 'C, ' + | |
| 'humidity: ' + readout.humidity.toFixed(2) + '%'); | |
| return readout; | |
| } | |
| }; | |
| if (dht_sensor.initialize()) { | |
| console.log("DHT Sensor initialized!"); | |
| } else { | |
| console.warn('Failed to initialize sensor'); | |
| } | |
| socket.on("connect", function(){ | |
| console.log("Connected to server"); | |
| socket.on("updateState", function(state){ | |
| console.log("The new state is: " + state); | |
| //gpio.write(config.led, !state); | |
| }); | |
| // send Temperature data every 5 seconds | |
| setInterval(function(){ | |
| socket.emit("dh11Reading", dht_sensor.read()); | |
| }, 5000); | |
| }) |
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| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1"> | |
| <title>Control My Stuff | DailyIoT</title> | |
| <!-- Latest compiled and minified CSS --> | |
| <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css"> | |
| <!-- Optional theme --> | |
| <link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap-theme.min.css"> | |
| <!-- Custom styles for this template --> | |
| <link href="/stylesheets/style.css" rel="stylesheet"> | |
| <!-- HTML5 shim and Respond.js IE8 support of HTML5 elements and media queries --> | |
| <!--[if lt IE 9]> | |
| <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script> | |
| <script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script> | |
| <![endif]--> | |
| </head> | |
| <body> | |
| <div class="temp"></div> | |
| <div class="site-wrapper"> | |
| <div class="site-wrapper-inner"> | |
| <div class="cover-container"> | |
| <div class="inner cover"> | |
| <h1 class="cover-heading">Control My Stuff</h1> | |
| <div class="onoffswitch" style="margin:0px auto;"> | |
| <div class="switch demo3"> | |
| <input type="checkbox" id="myonoffswitch"> | |
| <label><i></i></label> | |
| </div> | |
| </div> | |
| </div> | |
| <div id="readings"> | |
| <h2>READINGS:</h2> | |
| </div> | |
| </div> | |
| </div> | |
| </div> | |
| <!-- Bootstrap core JavaScript | |
| ================================================== --> | |
| <!-- Placed at the end of the document so the pages load faster --> | |
| <script src="//code.jquery.com/jquery-1.11.0.min.js"></script> | |
| <script src="//code.jquery.com/jquery-migrate-1.2.1.min.js"></script> | |
| <script src="https://cdn.socket.io/socket.io-1.0.4.js"></script> | |
| <script type="text/javascript"> | |
| var socket = io.connect('/'); | |
| $("#myonoffswitch").change(function(){ | |
| socket.emit("stateChanged", this.checked); | |
| console.log("led state emitted"); | |
| }); | |
| socket.on('connect',function(){ | |
| console.log("connected to the pi"); | |
| socket.on('newDH11Reading',function(reading){ | |
| console.log(reading); | |
| document.getElementById("readings").innerHTML = "<h1>" +reading.temperature.toFixed(2) + "</h1>"; | |
| }); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| #!/usr/bin/env node | |
| var debug = require('debug')('server'); | |
| var app = require('../app'); | |
| var packet=0; | |
| app.set('port', process.env.PORT || 3000); | |
| var server = app.listen(app.get('port'), function() { | |
| debug('Express server listening on port ' + server.address().port); | |
| }); | |
| var io = require("socket.io").listen(server); | |
| io.on("connection", function(socket){ | |
| console.log("Client Connected"); | |
| socket.on("dh11Reading", function(reading){ | |
| // Received a new reading from the Pi. Send it along to the webpage | |
| console.log("DH11 Reading: " + reading) // This prints out to the Heroku server log | |
| io.emit("newDH11Reading", reading); // This sends it along to all of the other clients connected. | |
| }) | |
| socket.on("stateChanged", function(state){ | |
| console.log("State Changed: " + state); | |
| io.emit("updateState", state); | |
| }); | |
| }); |
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