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