mirror of https://github.com/espruino/BangleApps
88 lines
2.8 KiB
JavaScript
88 lines
2.8 KiB
JavaScript
/* sclock.app.js for Bangle2
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Peter Bernschneider 30.12.2021
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Update current latitude and longitude in My Location app
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Update current Timezone in Settings app, menu item "System"
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Update for summer time by incrementing Timezone += 1 */
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const setting = require("Storage").readJSON("setting.json",1);
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E.setTimeZone(setting.timezone); // timezone = 1 for MEZ, = 2 for MESZ
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const SunCalc = require("suncalc.js");
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const loc = require('locale');
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const LOCATION_FILE = "mylocation.json";
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const xyCenter = g.getWidth() / 2 + 3;
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const yposTime = 60;
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const yposDate = 100;
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const yposRS = 135;
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const yposPos = 160;
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var rise = "07:00";
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var set = "20:00";
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var pos = {altitude: 20, azimuth: 135};
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var noonpos = {altitude: 37, azimuth: 180};
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let idTimeout = null;
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function updatePos() {
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function radToDeg(pos) {
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return { // instead of mofidying suncalc
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azimuth: Math.round((pos.azimuth / rad + 180) % 360),
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altitude: Math.round( pos.altitude / rad)
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};
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}
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const coord = require("Storage").readJSON(LOCATION_FILE,1)|| {"lat":53.3,"lon":10.1,"location":"Pattensen"};
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pos = radToDeg(SunCalc.getPosition(Date.now(), coord.lat, coord.lon));
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const times = SunCalc.getTimes(Date.now(), coord.lat, coord.lon);
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rise = times.sunrise.toString().split(" ")[4].substr(0,5);
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set = times.sunset.toString().split(" ")[4].substr(0,5);
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noonpos = radToDeg(SunCalc.getPosition(times.solarNoon, coord.lat, coord.lon));
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}
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function drawSimpleClock() {
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var d = new Date(); // get date
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var da = d.toString().split(" ");
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g.clear();
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Bangle.drawWidgets();
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g.reset(); // default draw styles
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g.setFontAlign(0, 0); // drawSting centered
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var time = da[4].substr(0, 5); // draw time
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g.setFont("Vector",60);
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g.drawString(time, xyCenter, yposTime, true);
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var date = [loc.dow(new Date(),1), loc.date(d,1)].join(" "); // draw day of week, date
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g.setFont("Vector",24);
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g.drawString(date, xyCenter, yposDate, true);
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g.setFont("Vector",25);
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g.drawString(`${rise} ${set}`, xyCenter, yposRS, true); // draw riseset
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g.drawImage(require("Storage").read("sunrise.img"), xyCenter-16, yposRS-16);
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g.setFont("Vector",21);
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g.drawString(`H${pos.altitude}/${noonpos.altitude} Az${pos.azimuth}`, xyCenter, yposPos, true); // draw sun pos
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let t = d.getSeconds()*1000 + d.getMilliseconds();
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idTimeout = setTimeout(drawSimpleClock, 60000 - t); // time till next minute
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}
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// special function to handle display switch on
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Bangle.on('lcdPower', function(on){
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if (on) {
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drawSimpleClock();
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} else {
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if(idTimeout) {
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clearTimeout(idTimeout);
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}
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}
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});
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g.clear(); // clean app screen
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Bangle.loadWidgets();
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Bangle.drawWidgets();
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setInterval(updatePos, 60*5E3); // refesh every 5 mins
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updatePos();
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drawSimpleClock(); // draw now
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setWatch(Bangle.showLauncher, BTN1, { repeat: false, edge: "falling" }); // Show launcher when button pressed
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