76 lines
2.0 KiB
JavaScript
76 lines
2.0 KiB
JavaScript
Bangle.setBarometerPower(true, "altimeter");
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g.clear(1);
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Bangle.loadWidgets();
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Bangle.drawWidgets();
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var R = Bangle.appRect;
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var y = R.y + R.h/2;
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var MEDIANLENGTH = 20;
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var avr = [];
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var updateDisplay = true;
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function fmt(t) {
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if ((t > -100) && (t < 1000))
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t = t.toFixed(1);
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else
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t = t.toFixed(0);
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return t;
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}
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Bangle.on('pressure', function(e) {
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while (avr.length>MEDIANLENGTH) avr.pop();
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avr.unshift(e.altitude);
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if (!updateDisplay) return;
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let median = avr.slice().sort(), value;
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g.reset().clearRect(0,y-30,g.getWidth()-10,R.h);
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if (median.length>10) {
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var mid = median.length>>1;
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value = E.sum(median.slice(mid-4,mid+5)) / 9;
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} else {
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value = median[median.length>>1];
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}
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var t = fmt(value);
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g.setFont("Vector",50).setFontAlign(0,0).drawString(t, g.getWidth()/2, y);
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let o = Bangle.getOptions();
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let sea = o.seaLevelPressure;
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t = sea.toFixed(1) + " " + e.temperature.toFixed(1);
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/*if (0) {
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print("alt raw:", value.toFixed(1));
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print("temperature:", e.temperature);
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print("pressure:", e.pressure);
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print("sea pressure:", sea);
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}*/
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g.setFont("Vector",25).setFontAlign(-1,0).drawString(t, 10, R.y+R.h - 35);
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});
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function setPressure(m, a) {
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var o = Bangle.getOptions();
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//print(o);
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o.seaLevelPressure = o.seaLevelPressure * m + a;
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Bangle.setOptions(o);
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avr = [];
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}
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function start() {
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g.reset();
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g.setFont("Vector:15");
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g.setFontAlign(0,0);
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g.drawString(/*LANG*/"ALTITUDE (m)", g.getWidth()/2, y-40);
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g.drawString(/*LANG*/"SEA L (hPa) TEMP (C)", g.getWidth()/2, y+62);
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g.setFont("6x8").setFontAlign(0,0,3).drawString(/*LANG*/"STD", g.getWidth()-5, g.getHeight()/2);
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updateDisplay = true;
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Bangle.setUI("updown", btn => {
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if (!btn) {
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updateDisplay = false;
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E.showPrompt(/*LANG*/"Set calibration to default?",{title:/*LANG*/"Altitude"}).then(function(reset) {
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start();
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if (reset) setPressure(0, 1013.25);
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});
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}
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if (btn<0) setPressure(1, 1);
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if (btn>0) setPressure(1, -1);
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});
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}
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start(); |