<!DOCTYPE html>
<html>
<style>
.highlight { background-color: #eee; }
</style>
<head>
<title>Device Motion/Orientation diagnostic measurements</title>
</head>
<body>
<table>
<tr>
<td colspan="2">
<hr>
</td>
</tr>
<tr class='highlight'>
<td>'devicemotion' status</td>
<td width="250px" id="motionSupported"></td>
</tr>
<tr>
<td>relevant sensors available:</td>
<td id="motionSensorsAvailable"></td>
</tr>
<tr>
<td>motion acceleration (x, y, z)</td>
<td id="motionAccel"></td>
</tr>
<tr>
<td>motion acceleration incl. gravity (x, y, z)</td>
<td id="motionAccelG"></td>
</tr>
<tr>
<td>motion rotation rate (α, β, γ)</td>
<td id="motionRotation"></td>
</tr>
<tr>
<td>real-time motion frequency (Hz)</td>
<td id="motionFreq"></td>
</tr>
<tr>
<td>motion max frequency (Hz)</td>
<td id="motionMaxFreq"></td>
</tr>
<tr>
<td>motion stated interval</td>
<td id="motionInterval"></td>
</tr>
<tr>
<td colspan="2">
<hr>
</td>
</tr>
<tr class='highlight'>
<td>'deviceorientation' status</td>
<td id="orientationSupported"></td>
</tr>
<tr>
<td>relevant sensors available:</td>
<td id="orientationSensorsAvailable"></td>
</tr>
<tr>
<td>orientation values (α, β, γ)</td>
<td id="orientationValues"></td>
</tr>
<tr>
<td>orientation absolute</td>
<td id="orientationAbsolute"></td>
</tr>
<tr>
<td>orientation frequency (Hz)</td>
<td id="orientationFreq"></td>
</tr>
<tr>
<td>orientation max frequency (Hz)</td>
<td id="orientationMaxFreq"></td>
</tr>
<tr>
<td colspan="2">
<hr>
</td>
</tr>
<tr class='highlight'>
<td>'deviceorientationabsolute' status</td>
<td id="orientationAbsoluteSupported"></td>
</tr>
<tr>
<td>relevant sensors available:</td>
<td id="orientationAbsoluteSensorsAvailable"></td>
</tr>
<tr>
<td>orientationabsolute values (α, β, γ)</td>
<td id="orientationAbsoluteValues"></td>
</tr>
<tr>
<td>orientationabsolute absolute</td>
<td id="orientationAbsoluteAbsolute"></td>
</tr>
<tr>
<td>orientationabsolute frequency (Hz)</td>
<td id="orientationAbsoluteFreq"></td>
</tr>
<tr>
<td>orientationabsolute max frequency (Hz)</td>
<td id="orientationAbsoluteMaxFreq"></td>
</tr>
</table>
<script type="text/javascript">
var numberMotionEvents = 0;
var numberOrientationEvents = 0;
var numberOrientationAbsoluteEvents = 0;
var motionMaxFreq = 0;
var orientationMaxFreq = 0;
var orientationAbsoluteMaxFreq = 0;
var updateIntervalDelaySec = 2;
function onMotion(event) {
if (event.acceleration.x==null && event.acceleration.y==null && event.acceleration.z==null
&& event.accelerationIncludingGravity.x==null && event.accelerationIncludingGravity.y==null && event.accelerationIncludingGravity.z==null
&& event.rotationRate.alpha==null && event.rotationRate.beta==null && event.rotationRate.gamma==null) {
// null-event
document.getElementById("motionSensorsAvailable").innerHTML = "no";
return;
}
document.getElementById('motionAccel').innerHTML =
roundToFixedArray([event.acceleration.x,
event.acceleration.y,
event.acceleration.z]);
document.getElementById("motionAccelG").innerHTML =
roundToFixedArray([event.accelerationIncludingGravity.x,
event.accelerationIncludingGravity.y,
event.accelerationIncludingGravity.z]);
document.getElementById("motionRotation").innerHTML =
roundToFixedArray([event.rotationRate.alpha,
event.rotationRate.beta,
event.rotationRate.gamma]);
document.getElementById("motionInterval").innerHTML = event.interval;
document.getElementById("motionSensorsAvailable").innerHTML = "yes";
++numberMotionEvents;
}
function roundToFixed(value) {
return value==null ? value : value.toFixed(4);
}
function roundToFixedArray(values) {
return '[' + values.map(function(value) {
return roundToFixed(value);
}).join(',') + ']';
}
function onOrientation(event) {
if (event.alpha==null && event.beta==null && event.gamma==null) {
// null-event
document.getElementById("orientationSensorsAvailable").innerHTML = "no";
return;
}
document.getElementById("orientationValues").innerHTML =
roundToFixedArray([event.alpha, event.beta, event.gamma]);
document.getElementById("orientationAbsolute").innerHTML = event.absolute;
document.getElementById("orientationSensorsAvailable").innerHTML = "yes";
++numberOrientationEvents;
}
function onOrientationAbsolute(event) {
if (event.alpha==null && event.beta==null && event.gamma==null) {
// null-event
document.getElementById("orientationAbsoluteSensorsAvailable").innerHTML = "no";
return;
}
document.getElementById("orientationAbsoluteValues").innerHTML =
roundToFixedArray([event.alpha, event.beta, event.gamma]);
document.getElementById("orientationAbsoluteAbsolute").innerHTML = event.absolute;
document.getElementById("orientationAbsoluteSensorsAvailable").innerHTML = "yes";
++numberOrientationAbsoluteEvents;
}
function updateMeasurements() {
var motionFreq = numberMotionEvents/updateIntervalDelaySec;
var orientationFreq = numberOrientationEvents/updateIntervalDelaySec;
var orientationAbsoluteFreq = numberOrientationAbsoluteEvents/updateIntervalDelaySec;
motionMaxFreq = Math.max(motionMaxFreq, motionFreq);
orientationMaxFreq = Math.max(orientationMaxFreq, orientationFreq);
orientationAbsoluteMaxFreq = Math.max(orientationAbsoluteMaxFreq, orientationAbsoluteFreq);
document.getElementById("motionFreq").innerHTML = motionFreq;
document.getElementById("motionMaxFreq").innerHTML = motionMaxFreq;
document.getElementById("orientationFreq").innerHTML = orientationFreq;
document.getElementById("orientationMaxFreq").innerHTML = orientationMaxFreq;
document.getElementById("orientationAbsoluteFreq").innerHTML = orientationAbsoluteFreq;
document.getElementById("orientationAbsoluteMaxFreq").innerHTML = orientationAbsoluteMaxFreq;
numberMotionEvents = 0;
numberOrientationEvents = 0;
numberOrientationAbsoluteEvents = 0;
}
var motionSupported="not supported";
var orientationSupported="not supported";
var orientationAbsoluteSupported="no supported";
if ('ondevicemotion' in window) {
window.addEventListener('devicemotion', onMotion)
motionSupported="supported";
}
document.getElementById("motionSupported").innerHTML = motionSupported;
if ('ondeviceorientation' in window) {
window.addEventListener('deviceorientation', onOrientation);
orientationSupported = "supported";
}
document.getElementById("orientationSupported").innerHTML = orientationSupported;
if ('ondeviceorientationabsolute' in window) {
window.addEventListener('deviceorientationabsolute', onOrientationAbsolute);
orientationAbsoluteSupported = "supported";
}
document.getElementById("orientationAbsoluteSupported").innerHTML = orientationAbsoluteSupported;
setInterval(function(){updateMeasurements()}, updateIntervalDelaySec*1000);
</script>
</body>
</html>
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