mirror of https://github.com/espruino/BangleApps
59 lines
1.6 KiB
JavaScript
59 lines
1.6 KiB
JavaScript
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Bangle.loadWidgets();
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Bangle.drawWidgets();
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E.showMessage("Loading...");
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Bangle.setOptions({hrmPollInterval:5});
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Bangle.setHRMPower(1);
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function drawCounter() {
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g.reset().clearRect(0,24,175,90);
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//g.drawRect(0,24,175,90);
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g.setFontAlign(0,0).setFontVector(60);
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g.drawString(count, 88, 60);
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}
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function hadPulse() {
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count++;
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drawCounter();
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g.setColor("#f00").fillCircle(156,156,20);
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setTimeout(function() {
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g.setColor(g.theme.bg).fillCircle(156,156,20);
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}, 500);
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}
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if (parseFloat(process.env.VERSION.replace("v","0"))<2019) {
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E.showMessage("You need at least firmware 2v19","Error");
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} else if (Bangle.hrmRd(0)!=33) { // wrong sensor - probably VC31 from original bangle.js 2
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E.showMessage("This Bangle.js doesn't have a VC31B HRM sensor","Error");
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} else {
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Bangle.setOptions({hrmGreenAdjust:false, hrmWearDetect:false, hrmPushEnv:true});
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Bangle.hrmWr(0x10, 197&0xF8 | 4); // just SLOT2
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Bangle.hrmWr(0x16, 0); // force env to be used as fast as possible
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var samples = 0, samplesHi = 0;
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var count = 0;
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{
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let last = 0;
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Bangle.on('HRM-env',v => {
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if (v) {
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if (!last) hadPulse();
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samplesHi++;
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}
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last = v;
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samples++;
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});
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}
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drawCounter();
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setInterval(function() {
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g.reset().clearRect(0,90,175,130);
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g.setFontAlign(0,0).setFont("6x8:2");
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g.drawString(samples+" sps", 88, 100);
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if (samplesHi*5 > samples) {
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g.setBgColor("#f00").setColor("#fff");
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g.clearRect(0,110,175,130).drawString("TOO LIGHT",88,120);
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}
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samples=0;
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samplesHi=0;
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Bangle.setLCDPower(1); // force LCD on!
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}, 1000);
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}
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