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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="A web interface for MQTT">
<meta name="author" content="Fabian Affolter">
<title>Galileo Sensors</title>
<!-- Bootstrap core CSS -->
<link href="css/bootstrap.css" rel="stylesheet">
<!-- jQuery -->
<script type="text/javascript" src="js/jquery-1.10.2.min.js"></script>
<!-- Sparkline -->
<script type="text/javascript" src="js/jquery.sparkline.min.js"></script>
<!-- jgPlot -->
<link class="include" rel="stylesheet" type="text/css" href="css/jquery.jqplot.min.css" />
<script type="text/javascript" src="js/jquery.jqplot.min.js"></script>
<script type="text/javascript" src="js/jqplot.canvasTextRenderer.min.js"></script>
<script type="text/javascript" src="js/jqplot.canvasAxisLabelRenderer.min.js"></script>
<script type="text/javascript" src="js/jqplot.dateAxisRenderer.min.js"></script>
<!-- socket.io for communication -->
<script type="text/javascript" src="js/socket.io.min.js"></script>
<script type="text/javascript">
var vbatTemp = new Array();
var solarTemp = new Array();
var resistorTemp = new Array();
var cityTemp = new Array();
var farmTemp = new Array();
var socket = io.connect('http://localhost:3000');
socket.on('connect', function () {
socket.on('mqtt', function (msg) {
var message = msg.topic.split('/');
var sensor = message[1];
//console.log(msg.topic, msg.payload);
var timestamp = Math.round((new Date()).getTime() / 1000);
$('#topic').html(msg.topic);
$('#message').html(msg.topic + ', ' + msg.payload);
switch (sensor) {
case 'vbat':
$('#vbatsensor').html('(Sensor value: ' + msg.payload + ')');
$('#vbatLabel').text(msg.payload + ' mV');
$('#vbatLabel').removeClass('').addClass('label-default');
var entry = new Array();
entry.push(timestamp);
entry.push(parseInt(msg.payload));
vbatTemp.push(entry);
if (vbatTemp.length >= 50) {
vbatTemp.shift()
}
var vbatTempPlot = $.jqplot ('vbatChart', [vbatTemp], {
axesDefaults: {
labelRenderer: $.jqplot.CanvasAxisLabelRenderer,
tickOptions: {
showMark: false,
showGridline: false,
show: false,
showLabel: false,
}
},
grid: {
gridLineColor: '#FFFFFF',
borderWidth: 0,
shadow: false,
},
seriesDefaults: {
rendererOptions: {
smooth: true
},
showMarker: false,
lineWidth: 2,
},
axes: {
xaxis: {
renderer:$.jqplot.DateAxisRenderer,
tickOptions:{
formatString:'%T'
},
pad: 0
},
yaxis: {
}
}
});
break;
case 'proximity':
$('#resistorsensor').html('(Sensor value: ' + msg.payload + ')');
$('#resistorLabel').text(msg.payload + ' mV');
$('#resistorLabel').removeClass('').addClass('label-default');
var entry = new Array();
entry.push(timestamp);
entry.push(parseInt(msg.payload));
resistorTemp.push(entry);
if (resistorTemp.length >= 50) {
resistorTemp.shift()
}
var resistorTempPlot = $.jqplot ('resistorChart', [resistorTemp], {
axesDefaults: {
labelRenderer: $.jqplot.CanvasAxisLabelRenderer,
tickOptions: {
showMark: false,
showGridline: false,
show: false,
showLabel: false,
}
},
grid: {
gridLineColor: '#FFFFFF',
borderWidth: 0,
shadow: false,
},
seriesDefaults: {
rendererOptions: {
smooth: true
},
showMarker: false,
lineWidth: 2,
},
axes: {
xaxis: {
renderer:$.jqplot.DateAxisRenderer,
tickOptions:{
formatString:'%T'
},
pad: 0
},
yaxis: {
}
}
});
break;
case 'city':
$('#citysensor').html('(Sensor value: ' + msg.payload + ')');
$('#cityLabel').text(msg.payload + ' mV');
$('#cityLabel').removeClass('').addClass('label-default');
break;
case 'farm':
$('#farmsensor').html('(Sensor value: ' + msg.payload + ')');
$('#farmLabel').text(msg.payload + ' mV');
$('#farmLabel').removeClass('').addClass('label-default');
break;
case 'solar':
$('#solarsensor').html('(Sensor value: ' + msg.payload + ')');
$('#solarLabel').text(msg.payload + ' mV');
$('#solarLabel').removeClass('').addClass('label-default');
break;
default: console.log('Error: Data do not match the MQTT topic.'); break;
}
});
socket.emit('subscribe', {topic : 'home/#'});
});
</script>
</head>
<body>
<div id="wrap">
<div class="container">
<div class="page-header"><h1><b>Galileo Sensors</b></h1></div>
<div class="panel panel-default">
<div class="panel-body">
<table class="table table-striped">
<!-- VBAT sensor -->
<tr>
<td width="40%" style="vertical-align:middle;"><h3>VBAT voltage</h3><small id="vbatsensor">(no value recieved)</small></td>
<td style="vertical-align:middle;"><div id="vbatChart" style="height:80px; width:180px;"></div></td>
<td width="30%" style="vertical-align:middle;"><h4> <span id="vbatLabel" class="label">Unknown</span></h4></td>
</tr>
<!-- Solar sensor -->
<tr>
<td width="40%" style="vertical-align:middle;"><h3>Solar panel sensor</h3><small id="solarsensor">(no value recieved)</small></td>
<td style="vertical-align:middle;"></div></td>
<td width="30%" style="vertical-align:middle;"><h4> <span id="solarLabel" class="label">Unknown</span></h4></td>
</tr>
<!-- Resistor sensor -->
<tr>
<td width="40%" style="vertical-align:middle;"><h3>Proximity Sensor</h3><small id="resistorsensor">(no value recieved)</small></td>
<td style="vertical-align:middle;"></td>
<td width="30%" style="vertical-align:middle;"><h4> <span id="resistorLabel" class="label">Unknown</span></h4></td>
</tr>
<!-- City sensor -->
<tr>
<td width="40%" style="vertical-align:middle;"><h3>City Sensor</h3><small id="citysensor">(no value recieved)</small></td>
<td style="vertical-align:middle;"></td>
<td width="30%" style="vertical-align:middle;"><h4> <span id="cityLabel" class="label">Unknown</span></h4></td>
</tr>
<!-- Farm sensor -->
<tr>
<td width="40%" style="vertical-align:middle;"><h3>Farm Sensor</h3><small id="farmsensor">(no value recieved)</small></td>
<td style="vertical-align:middle;"></td>
<td width="30%" style="vertical-align:middle;"><h4> <span id="farmLabel" class="label">Unknown</span></h4></td>
</tr>
</table>
</div>
</div>
<div class="panel panel-default">
<div class="panel-body">
<b>Latest MQTT message: </b> <small id="message">no message recieved</small>
</div>
</div>
</body>
</html>