mirror of https://github.com/espruino/BangleApps
42 lines
1.7 KiB
JavaScript
42 lines
1.7 KiB
JavaScript
(() => {
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var alt = "";
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var lastAlt;
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var timeout;
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var settings = Object.assign({
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interval: 60000,
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}, require('Storage').readJSON("widalt.json", true) || {});
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Bangle.setBarometerPower(true, "widalt");
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Bangle.on("pressure", (p) => {
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if (timeout) return;
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//some other app is using the barometer - ignore new readings until our interval is up
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if (Math.floor(p.altitude) != lastAlt) {
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lastAlt = Math.floor(p.altitude);
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alt = p.altitude.toFixed(0);
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WIDGETS.widalt.draw();
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}
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Bangle.setBarometerPower(false, "widalt");
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timeout = setTimeout(() => {
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timeout = undefined;
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Bangle.setBarometerPower(true, "widalt");
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}, settings.interval);
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});
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function draw() {
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if (!Bangle.isLCDOn()) return;
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g.reset();
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g.clearRect(this.x, this.y, this.x + this.width, this.y + 23);
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var w = this.width;
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this.width = 1 + (alt.length) * 12 + 16;
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if (w != this.width) Bangle.drawWidgets();
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g.drawImage(atob("EBCBAAAAAAAIAAwgFXAX0BCYIIggTD/EYPZADkACf/4AAAAA"), this.x, this.y + 4);
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g.setFontCustom(atob("AAAAABwAAOAAAgAAHAADwAD4AB8AB8AA+AAeAADAAAAOAAP+AH/8B4DwMAGBgAwMAGBgAwOAOA//gD/4AD4AAAAAAAABgAAcAwDAGAwAwP/+B//wAAGAAAwAAGAAAAAAAAIAwHgOA4DwMA+BgOwMDmBg4wOeGA/gwDwGAAAAAAAAAGAHA8A4DwMAGBhAwMMGBjgwOcOA+/gDj4AAAAABgAAcAAHgADsAA5gAOMAHBgBwMAP/+B//wABgAAMAAAAAAAgD4OB/AwOYGBjAwMYGBjBwMe8Bh/AIHwAAAAAAAAAfAAP8AHxwB8GAdgwPMGBxgwMOOAB/gAH4AAAAAAABgAAMAABgAwMAeBgPgMHwBj4AN8AB+AAPAABAAAAAAAMfAH38B/xwMcGBhgwMMGBjgwP+OA+/gDj4AAAAAAAAOAAH4AA/gQMMGBgzwME8BhvAOPgA/4AD8AAEAAAAAAGAwA4OAHBwAAA="), 46, atob("BAgMDAwMDAwMDAwMBQ=="), 21 + (1 << 8) + (1 << 16));
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g.setFontAlign(-1, 0);
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g.drawString(alt, this.x + 16, this.y + 12);
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}
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WIDGETS.widalt = {
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area: "tr",
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width: 6,
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draw: draw
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};
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})();
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