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powermanager - Only sample cpu use on drawing

master
Martin Boonk 2023-02-22 18:44:49 +01:00
parent 8a5450370f
commit 35ddc58b1f
1 changed files with 24 additions and 24 deletions
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48
apps/powermanager/widget.js
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@ -5,16 +5,8 @@ currently-running apps */
if (!s.widget) return;
const systickMax = peek32(0xE000E014);
let t, systickNow, tLater, systickLater, systickDiff;
setInterval(() => {
tLater = Date.now();
systickLater = peek32(0xE000E018);
systickDiff = systickLater - systickNow;
if (systickDiff < 0) systickDiff += systickMax;
t = Date.now();
systickNow = peek32(0xE000E018);
}, 250);
const SYSTICKMAX = peek32(0xE000E014);
const SYSTICKWAIT = SYSTICKMAX/64000; // 64 MHz clock rate, Systick counting down on every non idle clock
const GU = require("graphics_utils");
const APPROX_IDLE = 0.3;
@ -40,10 +32,9 @@ currently-running apps */
return process.HWVERSION == 2 ? (brightnessSetting * APPROX_BACKLIGHT) : (brightnessSetting * 0.9 * 33 + 7);
};
function draw(w) {
function doDraw(w, cpu){
g.reset();
let cpu = 1 - systickDiff/systickMax;
let current = APPROX_IDLE + cpu * APPROX_CPU;
let mostExpensive = "P";
@ -63,29 +54,38 @@ currently-running apps */
current = current / MAX;
g.clearRect(this.x, this.y, this.x + 23, this.y + 23);
g.clearRect(w.x, w.y, w.x + 23, w.y + 23);
g.setColor(g.theme.fg);
g.setFont6x15();
g.setFontAlign(0, 0);
g.drawString(mostExpensive, this.x + 12, this.y + 15);
g.drawString(mostExpensive, w.x + 12, w.y + 15);
let end = 135 + (current * (405 - 135));
g.setColor(current > 0.7 ? "#f00" : (current > 0.3 ? "#ff0" : "#0f0"));
GU.fillArc(g, this.x + 12, this.y + 12, 9, 12, GU.degreesToRadians(135), GU.degreesToRadians(end), GU.degreesToRadians(30));
GU.fillArc(g, w.x + 12, w.y + 12, 9, 12, GU.degreesToRadians(135), GU.degreesToRadians(end), GU.degreesToRadians(30));
g.setColor(g.theme.fg);
let endCpu = 135 + (cpu * (405 - 135));
GU.fillArc(g, this.x + 12, this.y + 12, 6, 8, GU.degreesToRadians(135), GU.degreesToRadians(endCpu), GU.degreesToRadians(30));
GU.fillArc(g, w.x + 12, w.y + 12, 5.5, 8, GU.degreesToRadians(135), GU.degreesToRadians(endCpu), GU.degreesToRadians(30));
}
if (this.timeoutId !== undefined) {
clearTimeout(this.timeoutId);
}
this.timeoutId = setTimeout(() => {
this.timeoutId = undefined;
w.draw(w);
}, Bangle.isLocked() ? 60000 : 2000);
function draw(w) {
setTimeout((t, systickNow) => {
let tLater = Date.now();
let systickLater = peek32(0xE000E018);
let systickDiff = systickLater - systickNow;
if (systickDiff < 0) systickDiff += SYSTICKMAX;
doDraw(w, 1 - systickDiff/SYSTICKMAX);
if (w.timeoutId !== undefined) {
clearTimeout(w.timeoutId);
}
w.timeoutId = setTimeout(() => {
w.timeoutId = undefined;
w.draw(w);
}, Bangle.isLocked() ? 60000 : (s.unlockedRefresh || 1000) - SYSTICKWAIT);
}, SYSTICKWAIT, Date.now(), peek32(0xE000E018));
}
// add your widget