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Created November 6, 2017 00:51
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Brain Middlewave Validation Web
<html>
<head>
<title>Test</title>
<script type="text/javascript" src="https://www.gstatic.com/charts/loader.js"></script>+
<script src="/socket.io.js"></script>
<script type="text/javascript">
waves = {
delta: 0,
theta: 0,
lowAlpha: 0,
alpha: 0,
highAlpha: 0,
lowBeta: 0,
mediumBeta: 0,
highBeta: 0,
lowGamma: 0,
gamma: 0,
highGamma: 0,
};
events = {
attention: 0,
meditation: 0,
};
</script>
</head>
<body>
<div id="waves_chart" style="float:left"></div>
<div id="attention_div" style="float:left"></div>
<br style="clear: both">
<script type="text/javascript">
google.charts.load('current', {'packages':['corechart']});
google.charts.setOnLoadCallback(drawChart);
function drawChart() {
var wavesData = new google.visualization.DataTable();
wavesData.addColumn('string', 'Waves');
wavesData.addColumn('number', 'Power');
wavesData.addRows(Object.keys(waves).map(wave => [
wave, waves[wave]
]));
var wavesOptions = {'title':'Read from sensor',
'width':900,
'height':600};
var wavesChart = new google.visualization.ColumnChart(document.getElementById('waves_chart'));
wavesChart.draw(wavesData, wavesOptions);
var eventsData = new google.visualization.DataTable();
eventsData.addColumn('string', 'Event');
eventsData.addColumn('number', 'Value');
eventsData.addRows(Object.keys(events).map(event => [
event, events[event]
]));
var eventsOptions = {'title':'Read from sensor',
'width':400,
'height':600};
var eventsChart = new google.visualization.ColumnChart(document.getElementById('attention_div'));
eventsChart.draw(eventsData, eventsOptions);
}
</script>
<script>
const socket = io('http://localhost:7895');
socket.on("eeg", function (data) {
console.log(data);
if (data.status === 200) {
waves = {
...waves,
...data.eeg.fp1
};
events = {
...events,
...data.events
};
drawChart();
} else {
waves = {
delta: 0,
theta: 0,
lowAlpha: 0,
alpha: 0,
highAlpha: 0,
lowBeta: 0,
mediumBeta: 0,
highBeta: 0,
lowGamma: 0,
gamma: 0,
highGamma: 0,
};
events = {
attention: 0,
meditation: 0,
};
}
});
</script>
</body>
</html>
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