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hrm - Apply scale every time the graph starts new

pull/1982/head
Martin Boonk 2022-06-20 21:23:22 +02:00
parent 3b53d1a825
commit c9800fc85d
1 changed files with 16 additions and 4 deletions
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20
apps/hrm/heartrate.js
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@ -35,8 +35,7 @@ function onHRM(h) {
g.clearRect(0,24,g.getWidth(),80);
g.setFont("6x8").drawString("Confidence "+hrmInfo.confidence+"%", px, 70);
g.setFontAlign(-1,-1);
g.setFont("6x8").drawString(rawMax, 2, 70);
updateScale();
g.setFontAlign(0,0);
var str = hrmInfo.bpm;
@ -47,8 +46,14 @@ function onHRM(h) {
}
Bangle.on('HRM', onHRM);
function updateScale(){
g.setFontAlign(-1,-1);
g.clearRect(2,70,40,78);
g.setFont("6x8").drawString(scale, 2, 70);
}
var rawMax = 0;
var scale = 2000;
var MID = (g.getHeight()+80)/2;
/* On newer (2v10) firmwares we can subscribe to get
HRM events as they happen */
@ -56,8 +61,13 @@ Bangle.on('HRM-raw', function(v) {
h=v;
hrmOffset++;
if (hrmOffset>g.getWidth()) {
hrmOffset=0;
let thousands = Math.round(rawMax / 1000) * 1000;
if (thousands > scale) scale = thousands;
g.clearRect(0,80,g.getWidth(),g.getHeight());
updateScale();
hrmOffset=0;
lastHrmPt = [-100,0];
}
if (rawMax < v.raw) {
@ -65,7 +75,7 @@ Bangle.on('HRM-raw', function(v) {
}
y = E.clip(btm-(8+v.filt/3000),btm-24,btm);
g.setColor(1,0,0).fillRect(hrmOffset,btm, hrmOffset, y);
y = E.clip(btm - (v.raw/rawMax*84),84,btm);
y = E.clip(btm - (v.raw/scale*84),84,btm);
g.setColor(g.theme.fg).drawLine(lastHrmPt[0],lastHrmPt[1],hrmOffset, y);
lastHrmPt = [hrmOffset, y];
if (counter !==undefined) {
@ -80,6 +90,8 @@ function countDown() {
if (counter) {
g.drawString(counter--,g.getWidth()/2,g.getHeight()/2, true);
setTimeout(countDown, 1000);
} else {
g.clearRect(0,24,g.getWidth(),g.getHeight());
}
}
g.clear();