forked from FOSS/BangleApps
92 lines
3.6 KiB
JavaScript
92 lines
3.6 KiB
JavaScript
var readings;
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var failures = 0;
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function displayInfo(reading) {
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g.reset(1).setColor(1,0,0);
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g.clearRect(0,24,g.getWidth(),g.getHeight()-48);
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g.drawImage(require("heatshrink").decompress(atob("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")),24,24);
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g.setColor(-1).setFont("6x8",2);
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if (reading=="startup") {
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g.setFontAlign(0,0);
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g.drawString("Scanning...", g.getWidth()/2, g.getHeight()*2/3);
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} else if (!reading) {
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g.setFontAlign(0,0);
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g.drawString("No Tilt found", g.getWidth()/2, g.getHeight()*2/3);
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} else {
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g.drawString("Temperature",0,100);
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g.drawString("Gravity",0,160);
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g.setFontAlign(0,0);
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g.drawString(reading.color, g.getWidth()*3/4, 24+40);
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g.setFontVector(34);
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g.setFontAlign(0,-1);
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// we can't use locale directly as it currently is just to the nearest degree
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var temp = reading.C.toFixed(1)+"°C";
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if (require("locale").temp(0).endsWith("F")) // check locale
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temp = reading.F.toFixed(1)+"°F";
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g.drawString(temp,g.getWidth()/2,120);
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g.drawString(reading.gravity,g.getWidth()/2,180);
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}
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g.flip();
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}
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function arrayBufferToHex (arrayBuffer){
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return (new Uint8Array(arrayBuffer)).slice().map(x=>(256+x).toString(16).substr(-2)).join("");
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}
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var TILT_DEVICES = {
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'a495bb30c5b14b44b5121370f02d74de': 'Black',
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'a495bb60c5b14b44b5121370f02d74de': 'Blue',
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'a495bb20c5b14b44b5121370f02d74de': 'Green',
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'a495bb50c5b14b44b5121370f02d74de': 'Orange',
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'a495bb80c5b14b44b5121370f02d74de': 'Pink',
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'a495bb40c5b14b44b5121370f02d74de': 'Purple',
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'a495bb10c5b14b44b5121370f02d74de': 'Red',
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'a495bb70c5b14b44b5121370f02d74de': 'Yellow',
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};
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function takeReading() {
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// scan for 5 seconds max
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NRF.setScan(function(device) {
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d = new DataView(device.manufacturerData);
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if (d.getUint8(4) == 0xbb) {
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var hexData = arrayBufferToHex(device.manufacturerData);
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var tempF = d.getUint16(18);
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var tempC = ( tempF - 32) * 5 / 9;
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var gravity = d.getUint16(20) / 1000.0;
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var color = TILT_DEVICES[hexData.substr(4,32)];
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readings= {
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C:tempC,
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F:tempF,
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gravity:gravity,
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d:device.manufacturerData,
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color: color,
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};
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failures=0;
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NRF.setScan();
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if (notFoundTimeout) clearTimeout(notFoundTimeout);
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notFoundTimeout = undefined;
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displayInfo(readings);
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}
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}, { filters: [{ manufacturerData: { 0x004C: {} } }]});
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// stop scanning after 5 seconds
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var notFoundTimeout = setTimeout(function() {
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NRF.setScan();
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notFoundTimeout = undefined;
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failures++;
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if (failures>5) displayInfo();
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}, 5000);
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}
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Bangle.loadWidgets();
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Bangle.drawWidgets();
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// Scan every minute
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setInterval(function() {
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takeReading();
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}, 60*1000);
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// Scan once at boot/upload
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displayInfo("startup");
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takeReading();
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