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shazron/PhoneGap: Magnetometer Sample Code

Created August 11, 2009 17:26
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PhoneGap: Magnetometer Sample Code
function watchCompass() {
debug.log("watchCompass");
var suc = function(a){
document.getElementById('compass_magnetic').innerHTML = roundNumber(a.magneticHeading);
document.getElementById('compass_true').innerHTML = roundNumber(a.trueHeading);
document.getElementById('compass_accuracy').innerHTML = roundNumber(a.headingAccuracy);
};
var fail = function(){};
var opt = {};
opt.frequency = 100;
timer = navigator.compass.watchHeading(suc,fail,opt);
}
/* HTML test code
<dl id="compass-data">
<dt>M:</dt><dd id="compass_magnetic">&nbsp;</dd>
<dt>T:</dt><dd id="compass_true">&nbsp;</dd>
<dt>A:</dt><dd id="compass_accuracy">&nbsp;</dd>
</dl>
<a href="#" class="btn large" onclick="watchCompass();">Watch Compass</a>
*/
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