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Store GPS coords, for use on next start if user desires

master
Paul Cockrell 2020-04-18 00:38:12 +01:00
parent d00cfdfcbe
commit c0f9c8b3e2
3 changed files with 49 additions and 6 deletions
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2
apps.json
View File

@ -1018,7 +1018,7 @@
{ "id": "astrocalc",
"name": "Astrocalc",
"icon": "astrocalc.png",
"version":"0.01",
"version":"0.02",
"description": "Calculates interesting information on the sun and moon cycles for the current day based on your location.",
"tags": "app,sun,moon,cycles,tool,outdoors",
"allow_emulator":true,

2
apps/astrocalc/ChangeLog
View File

@ -1 +1,3 @@
0.01: Create astrocalc app
0.02: Store last GPS lock, can be used instead of waiting for new GPS on
start.

49
apps/astrocalc/astrocalc-app.js
View File

@ -1,8 +1,18 @@
/**
* BangleJS ASTROCALC
*
* Inspired by: https://www.timeanddate.com
*
* Original Author: Paul Cockrell https://github.com/paulcockrell
* Created: April 2020
*
* Calculate the Sun and Moon positions based on watch GPS and display graphically
*/
const SunCalc = require("suncalc.js");
const storage = require("Storage");
const LAST_GPS_FILE = "astrocalc.gps.json";
let lastGPS = (storage.readJSON(LAST_GPS_FILE, 1) || null);
function drawMoon(phase, x, y) {
const moonImgFiles = [
@ -296,22 +306,50 @@ function indexPageMenu(gps) {
return E.showMenu(menu);
}
function getCenterStringX(str) {
return (g.getWidth() - g.stringWidth(str)) / 2;
}
/**
* GPS wait page, shows GPS locating animation until it gets a lock, then moves to the Sun page
*/
function drawGPSWaitPage() {
const img = require("heatshrink").decompress(atob("mEwxH+AH4A/AH4AW43GF1wwsFwYwqFwowoFw4wmFxIwdE5YAPF/4vM5nN6YAE5vMF8YtHGIgvhFpQxKF7AuOGA4vXFyAwGF63MFyIABF6xeWMC4UDLwvNGpAJG5gwSdhIIDRBLyWCIgcJHAgJJDoouQF4vMQoICBBJoeGFx6GGACIfHL6YvaX6gvZeCIdFc4gAFXogvGFxgwFDwovQCAguOGAnMMBxeG5guTGAggGGAwNKFySREcA3N5vM5gDBdpQvXEY4AKXqovGGCKbFF7AwPZQwvZGJgtGF7vGdQItG5gSIF7gASF/44WEzgwRF0wwHF1AwFF1QwDF1gvwAH4A/AFAA=="))
const img = require("heatshrink").decompress(atob("mEwxH+AH4A/AH4AW43GF1wwsFwYwqFwowoFw4wmFxIwdE5YAPF/4vM5nN6YAE5vMF8YtHGIgvhFpQxKF7AuOGA4vXFyAwGF63MFyIABF6xeWMC4UDLwvNGpAJG5gwSdhIIDRBLyWCIgcJHAgJJDoouQF4vMQoICBBJoeGFx6GGACIfHL6YvaX6gvZeCIdFc4gAFXogvGFxgwFDwovQCAguOGAnMMBxeG5guTGAggGGAwNKFySREcA3N5vM5gDBdpQvXEY4AKXqovGGCKbFF7AwPZQwvZGJgtGF7vGdQItG5gSIF7gASF/44WEzgwRF0wwHF1AwFF1QwDF1gvwAH4A/AFAA=="));
const str1 = "Astrocalc v0.02";
const str2 = "Locating GPS";
const str3 = "Please wait...";
g.clear();
g.drawImage(img, 100, 50);
g.setFont("6x8", 1);
g.drawString("Astrocalc v0.01", 80, 105);
g.drawString("Locating GPS", 85, 140);
g.drawString("Please wait...", 80, 155);
g.drawString(str1, getCenterStringX(str1), 105);
g.drawString(str2, getCenterStringX(str2), 140);
g.drawString(str3, getCenterStringX(str3), 155);
if (lastGPS) {
lastGPS = JSON.parse(lastGPS);
lastGPS.time = new Date();
const str4 = "Press Button 3 to use last GPS";
g.setColor("#d32e29");
g.fillRect(0, 190, g.getWidth(), 215);
g.setColor("#ffffff");
g.drawString(str4, getCenterStringX(str4), 200);
setWatch(() => {
clearWatch();
Bangle.setGPSPower(0);
lastGPS.time = new Date();
m = indexPageMenu(lastGPS);
}, BTN3, {repeat: false});
}
g.flip();
const DEBUG = false;
if (DEBUG) {
clearWatch();
const gps = {
"lat": 56.45783133333,
"lon": -3.02188583333,
@ -330,7 +368,10 @@ function drawGPSWaitPage() {
Bangle.on('GPS', (gps) => {
if (gps.fix === 0) return;
clearWatch();
if (isNaN(gps.course)) gps.course = 0;
require("Storage").writeJSON(LAST_GPS_FILE, JSON.stringify(gps));
Bangle.setGPSPower(0);
Bangle.buzz();
Bangle.setLCDPower(true);