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August 29, 2015 13:57
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[wearscript] Shows a live graph of your battery, updating up to every second.
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<html style="width:100%; height:100%; overflow:hidden"> | |
<head> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/bacon.js/0.7.2/bacon.min.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/Chart.js/0.2.0/Chart.min.js"></script> | |
</head> | |
<body style="width:100%; height:100%; overflow:hidden; margin:0; background-color: black; color: white"> | |
<canvas id="canvas" width="640" height="360" style="display:block"></canvas> | |
<script> | |
function BaconWS() { | |
var sensorStream; | |
this.sensorStream = function(type) { | |
if (type != null){ | |
thisStream = Bacon.fromBinder(function(sink) { | |
WS.sensorOn(type, 1, function(data) { | |
sink(data); | |
}); | |
}); | |
if(sensorStream != null){ | |
sensorStream = sensorStream.merge(thisStream); | |
}else{ | |
sensorStream = thisStream; | |
} | |
} | |
return sensorStream; | |
} | |
} | |
BaconWS = new BaconWS(); | |
</script> | |
<script> | |
var myChart; | |
var chartData = { | |
labels : ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15", "16", "17", "18", "19"], | |
datasets : [ | |
{ | |
fillColor : "rgba(220,220,220,0.5)", | |
strokeColor : "rgba(220,220,220,1)", | |
pointColor : "rgba(220,220,220,1)", | |
pointStrokeColor : "#fff", | |
data : [] | |
} | |
] | |
}; | |
var optionsNoAnimation = { | |
animation : false | |
} | |
var ctx = document.getElementById("canvas").getContext("2d"); | |
function server() { | |
} | |
function main() { | |
myChart = new Chart(ctx); | |
myChart.Line(chartData); | |
if (WS.scriptVersion(1)) return; | |
WS.serverConnect('{{WSUrl}}', 'server'); | |
WS.say('Prepare for battery death'); | |
//Put battery events in the stream | |
BaconWS.sensorStream(WS.sensor('battery')); | |
BaconWS.sensorStream() | |
.map(function(value){ | |
return value['values'][0]; | |
}) | |
.throttle(1000) | |
.slidingWindow(20, 1) | |
.onValue(function(value){ | |
WS.log("Battery: " + value[value.length - 1]); | |
chartData['datasets'][0]['data'] = value; | |
myChart.Line(chartData, optionsNoAnimation); | |
}); | |
WS.dataLog(true, false, 1); | |
WS.liveCardCreate(false, 5); | |
//kill battery here | |
} | |
window.onload = main; | |
</script> | |
</body> | |
</html> |
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{ | |
"name": "Battery Graph" | |
} |
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