mirror of https://github.com/espruino/BangleApps
444 lines
10 KiB
JavaScript
444 lines
10 KiB
JavaScript
/*
|
|
Speed and Altitude [speedalt]
|
|
Mike Bennett mike[at]kereru.com
|
|
1.16 : Use new GPS settings module
|
|
*/
|
|
var v = '1.20';
|
|
var buf = Graphics.createArrayBuffer(240,160,2,{msb:true});
|
|
|
|
// Load fonts
|
|
require("Font7x11Numeric7Seg").add(Graphics);
|
|
|
|
var lf = {fix:0,satellites:0};
|
|
var showMax = 0; // 1 = display the max values. 0 = display the cur fix
|
|
var pwrSav = 1; // 1 = default power saving with watch screen off and GPS to PMOO mode. 0 = screen kept on.
|
|
var canDraw = 1;
|
|
var time = ''; // Last time string displayed. Re displayed in background colour to remove before drawing new time.
|
|
var tmrLP; // Timer for delay in switching to low power after screen turns off
|
|
|
|
var max = {};
|
|
max.spd = 0;
|
|
max.alt = 0;
|
|
|
|
var emulator = (process.env.BOARD=="EMSCRIPTEN")?1:0; // 1 = running in emulator. Supplies test values;
|
|
|
|
var wp = {}; // Waypoint to use for distance from cur position.
|
|
|
|
function nxtWp(inc){
|
|
if (cfg.modeA) return;
|
|
cfg.wp+=inc;
|
|
loadWp();
|
|
}
|
|
|
|
function loadWp() {
|
|
var w = require("Storage").readJSON('waypoints.json')||[{name:"NONE"}];
|
|
if (cfg.wp>=w.length) cfg.wp=0;
|
|
if (cfg.wp<0) cfg.wp = w.length-1;
|
|
savSettings();
|
|
wp = w[cfg.wp];
|
|
}
|
|
|
|
function radians(a) {
|
|
return a*Math.PI/180;
|
|
}
|
|
|
|
function distance(a,b){
|
|
var x = radians(a.lon-b.lon) * Math.cos(radians((a.lat+b.lat)/2));
|
|
var y = radians(b.lat-a.lat);
|
|
|
|
// Distance in selected units
|
|
var d = Math.sqrt(x*x + y*y) * 6371000;
|
|
d = (d/parseFloat(cfg.dist)).toFixed(2);
|
|
if ( d >= 100 ) d = parseFloat(d).toFixed(1);
|
|
if ( d >= 1000 ) d = parseFloat(d).toFixed(0);
|
|
|
|
return d;
|
|
}
|
|
|
|
//function drawFix(speed,sats,alt,alt_units,age,fix) {
|
|
function drawFix(dat) {
|
|
|
|
if (!canDraw) return;
|
|
|
|
buf.clear();
|
|
|
|
var v = '';
|
|
var u='';
|
|
|
|
// Primary Display
|
|
v = (cfg.primSpd)?dat.speed.toString():dat.alt.toString();
|
|
|
|
// Primary Units
|
|
u = (cfg.primSpd)?cfg.spd_unit:dat.alt_units;
|
|
|
|
drawPrimary(v,u);
|
|
|
|
// Secondary Display
|
|
v = (cfg.primSpd)?dat.alt.toString():dat.speed.toString();
|
|
|
|
// Secondary Units
|
|
u = (cfg.primSpd)?dat.alt_units:cfg.spd_unit;
|
|
|
|
drawSecondary(v,u);
|
|
|
|
// Time
|
|
drawTime();
|
|
|
|
// Waypoint name
|
|
drawWP();
|
|
|
|
//Sats
|
|
if ( dat.age > 10 ) {
|
|
if ( dat.age > 90 ) dat.age = '>90';
|
|
drawSats('Age:'+dat.age);
|
|
}
|
|
else drawSats('Sats:'+dat.sats);
|
|
|
|
g.reset();
|
|
g.drawImage(img,0,40);
|
|
|
|
}
|
|
|
|
function drawPrimary(n,u) {
|
|
|
|
// Primary Display
|
|
|
|
var s=40; // Font size
|
|
var l=n.length;
|
|
|
|
if ( l <= 7 ) s=48;
|
|
if ( l <= 6 ) s=55;
|
|
if ( l <= 5 ) s=68;
|
|
if ( l <= 4 ) s=85;
|
|
if ( l <= 3 ) s=110;
|
|
|
|
buf.setFontAlign(0,-1); //Centre
|
|
buf.setColor(1);
|
|
buf.setFontVector(s);
|
|
buf.drawString(n,110,0);
|
|
|
|
// Primary Units
|
|
buf.setFontAlign(1,-1,3); //right
|
|
buf.setColor(2);
|
|
buf.setFontVector(25);
|
|
buf.drawString(u,210,0);
|
|
}
|
|
|
|
function drawSecondary(n,u) {
|
|
|
|
var s=180; // units X position
|
|
var l=n.length;
|
|
if ( l <= 5 ) s=155;
|
|
if ( l <= 4 ) s=125;
|
|
if ( l <= 3 ) s=100;
|
|
if ( l <= 2 ) s=65;
|
|
if ( l <= 1 ) s=35;
|
|
|
|
buf.setFontAlign(-1,1); //left, bottom
|
|
buf.setColor(1);
|
|
buf.setFontVector(45);
|
|
buf.drawString(n,5,140);
|
|
|
|
// Secondary Units
|
|
buf.setFontAlign(-1,1); //left, bottom
|
|
buf.setColor(2);
|
|
buf.setFontVector(25);
|
|
buf.drawString(u,s,135);
|
|
}
|
|
|
|
function drawTime() {
|
|
var x = 0;
|
|
var y = 160;
|
|
|
|
buf.setFont("7x11Numeric7Seg", 2);
|
|
buf.setFontAlign(-1,1); //left, bottom
|
|
|
|
buf.setColor(0);
|
|
buf.drawString(time,x,y);
|
|
time = require("locale").time(new Date(),1);
|
|
buf.setColor(3);
|
|
buf.drawString(time,x,y);
|
|
}
|
|
|
|
function drawWP() {
|
|
var nm = wp.name;
|
|
if ( nm == undefined || nm == 'NONE' || cfg.modeA ) nm = '';
|
|
|
|
buf.setFontAlign(-1,1); //left, bottom
|
|
buf.setColor(2);
|
|
buf.setFontVector(20);
|
|
buf.drawString(nm.substring(0,6),77,160);
|
|
|
|
}
|
|
|
|
function drawSats(sats) {
|
|
|
|
buf.setColor(3);
|
|
buf.setFont("6x8", 2);
|
|
buf.setFontAlign(1,1); //right, bottom
|
|
buf.drawString(sats,240,160);
|
|
|
|
buf.setFontVector(20);
|
|
buf.setColor(2);
|
|
|
|
if ( cfg.modeA ) buf.drawString("A",240,140);
|
|
else buf.drawString("D",240,140);
|
|
|
|
if ( showMax && cfg.modeA ) {
|
|
buf.setFontAlign(0,1); //centre, bottom
|
|
buf.drawString("MAX",120,164);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
function onGPS(fix) {
|
|
|
|
if ( emulator ) {
|
|
fix.fix = 1;
|
|
fix.speed = 10;
|
|
fix.alt = 354;
|
|
fix.lat = -38.92;
|
|
fix.lon = 175.7613350;
|
|
fix.course = 245;
|
|
fix.satellites = 12;
|
|
fix.time = new Date();
|
|
}
|
|
|
|
var m;
|
|
|
|
var sp = '---';
|
|
var al = '---';
|
|
var di = '---';
|
|
var age = '---';
|
|
|
|
if (fix.fix) lf = fix;
|
|
if (lf.fix) {
|
|
|
|
// Speed
|
|
if ( cfg.spd == 0 ) {
|
|
m = require("locale").speed(lf.speed).match(/([0-9,\.]+)(.*)/); // regex splits numbers from units
|
|
sp = parseFloat(m[1]);
|
|
cfg.spd_unit = m[2];
|
|
}
|
|
else sp = parseFloat(lf.speed)/parseFloat(cfg.spd); // Calculate for selected units
|
|
|
|
if ( sp < 10 ) sp = sp.toFixed(1);
|
|
else sp = Math.round(sp);
|
|
if (parseFloat(sp) > parseFloat(max.spd) ) max.spd = parseFloat(sp);
|
|
|
|
// Altitude
|
|
al = lf.alt;
|
|
al = Math.round(parseFloat(al)/parseFloat(cfg.alt));
|
|
if (parseFloat(al) > parseFloat(max.alt) ) max.alt = parseFloat(al);
|
|
|
|
// Distance to waypoint
|
|
di = distance(lf,wp);
|
|
if (isNaN(di)) di = 0;
|
|
|
|
// Age of last fix (secs)
|
|
age = Math.max(0,Math.round(getTime())-(lf.time.getTime()/1000));
|
|
}
|
|
|
|
|
|
// {speed:,sats:,alt:,alt_units:,age:,fix:}
|
|
if ( cfg.modeA ) {
|
|
if ( showMax )
|
|
drawFix({
|
|
speed:max.spd,
|
|
sats:lf.satellites,
|
|
alt:max.alt,
|
|
alt_units:cfg.alt_unit,
|
|
age:age,
|
|
fix:lf.fix
|
|
}); // Speed and alt maximums
|
|
else
|
|
drawFix({
|
|
speed:sp,
|
|
sats:lf.satellites,
|
|
alt:al,
|
|
alt_units:cfg.alt_unit,
|
|
age:age,
|
|
fix:lf.fix
|
|
}); // Show speed/altitude
|
|
}
|
|
else {
|
|
// Show speed/distance
|
|
if ( di <= 0 )
|
|
drawFix({
|
|
speed:sp,
|
|
sats:lf.satellites,
|
|
alt:'',
|
|
alt_units:'',
|
|
age:age,
|
|
fix:lf.fix
|
|
}); // No WP selected
|
|
else
|
|
drawFix({
|
|
speed:sp,
|
|
sats:lf.satellites,
|
|
alt:di,
|
|
alt_units:cfg.dist_unit,
|
|
age:age,
|
|
fix:lf.fix
|
|
});
|
|
}
|
|
|
|
}
|
|
|
|
function setButtons(){
|
|
|
|
// Spd+Dist : Select next waypoint
|
|
setWatch(function(e) {
|
|
var dur = e.time - e.lastTime;
|
|
if ( cfg.modeA ) {
|
|
// Spd+Alt mode - Switch between fix and MAX
|
|
if ( dur < 2 ) showMax = !showMax; // Short press toggle fix/max display
|
|
else { max.spd = 0; max.alt = 0; } // Long press resets max values.
|
|
}
|
|
else nxtWp(1); // Spd+Dist mode - Select next waypoint
|
|
onGPS(lf);
|
|
}, BTN1, { edge:"falling",repeat:true});
|
|
|
|
|
|
// Show launcher when middle button pressed
|
|
// setWatch(Bangle.showLauncher, BTN2, {repeat:false,edge:"falling"});
|
|
|
|
// Power saving on/off
|
|
setWatch(function(e){
|
|
pwrSav=!pwrSav;
|
|
if ( pwrSav ) {
|
|
LED1.reset();
|
|
var s = require('Storage').readJSON('setting.json',1)||{};
|
|
var t = s.timeout||10;
|
|
Bangle.setLCDTimeout(t);
|
|
}
|
|
else {
|
|
Bangle.setLCDTimeout(0);
|
|
Bangle.setLCDPower(1);
|
|
LED1.set();
|
|
}
|
|
}, BTN2, {repeat:true,edge:"falling"});
|
|
|
|
// Toggle between alt or dist
|
|
setWatch(function(e){
|
|
cfg.modeA = !cfg.modeA;
|
|
savSettings();
|
|
onGPS(lf);
|
|
}, BTN3, {repeat:true,edge:"falling"});
|
|
|
|
// Touch left screen to toggle display
|
|
setWatch(function(e){
|
|
cfg.primSpd = !cfg.primSpd;
|
|
savSettings();
|
|
onGPS(lf); // Update display
|
|
}, BTN4, {repeat:true,edge:"falling"});
|
|
|
|
}
|
|
|
|
function updateClock() {
|
|
if (!canDraw) return;
|
|
drawTime();
|
|
g.reset();
|
|
g.drawImage(img,0,40);
|
|
if ( emulator ) {max.spd++;max.alt++;}
|
|
}
|
|
|
|
function startDraw(){
|
|
canDraw=true;
|
|
setLpMode('SuperE'); // off
|
|
g.clear();
|
|
Bangle.drawWidgets();
|
|
onGPS(lf); // draw app screen
|
|
}
|
|
|
|
function stopDraw() {
|
|
canDraw=false;
|
|
if (!tmrLP) tmrLP=setInterval(function () {if (lf.fix) setLpMode('PSMOO');}, 10000); //Drop to low power in 10 secs. Keep lp mode off until we have a first fix.
|
|
}
|
|
|
|
function savSettings() {
|
|
require("Storage").write('speedalt.json',cfg);
|
|
}
|
|
|
|
function setLpMode(m) {
|
|
if (tmrLP) {clearInterval(tmrLP);tmrLP = false;} // Stop any scheduled drop to low power
|
|
if ( !gpssetup ) return;
|
|
gpssetup.setPowerMode({power_mode:m})
|
|
}
|
|
|
|
// =Main Prog
|
|
|
|
// Read settings.
|
|
let cfg = require('Storage').readJSON('speedalt.json',1)||{};
|
|
|
|
cfg.spd = cfg.spd||0; // Multiplier for speed unit conversions. 0 = use the locale values for speed
|
|
cfg.spd_unit = cfg.spd_unit||''; // Displayed speed unit
|
|
cfg.alt = cfg.alt||0.3048;// Multiplier for altitude unit conversions.
|
|
cfg.alt_unit = cfg.alt_unit||'feet'; // Displayed altitude units
|
|
cfg.dist = cfg.dist||1000;// Multiplier for distnce unit conversions.
|
|
cfg.dist_unit = cfg.dist_unit||'km'; // Displayed altitude units
|
|
cfg.colour = cfg.colour||0; // Colour scheme.
|
|
cfg.wp = cfg.wp||0; // Last selected waypoint for dist
|
|
cfg.modeA = cfg.modeA||0; // 0 = [D], 1 = [A]
|
|
cfg.primSpd = cfg.primSpd||0; // 1 = Spd in primary, 0 = Spd in secondary
|
|
|
|
|
|
loadWp();
|
|
|
|
/*
|
|
Colour Pallet Idx
|
|
0 : Background (black)
|
|
1 : Speed/Alt
|
|
2 : Units
|
|
3 : Sats
|
|
*/
|
|
var img = {
|
|
width:buf.getWidth(),
|
|
height:buf.getHeight(),
|
|
bpp:2,
|
|
buffer:buf.buffer,
|
|
palette:new Uint16Array([0,0x4FE0,0xEFE0,0x07DB])
|
|
};
|
|
|
|
if ( cfg.colour == 1 ) img.palette = new Uint16Array([0,0xFFFF,0xFFF6,0xDFFF]);
|
|
if ( cfg.colour == 2 ) img.palette = new Uint16Array([0,0xFF800,0xFAE0,0xF813]);
|
|
|
|
var SCREENACCESS = {
|
|
withApp:true,
|
|
request:function(){this.withApp=false;stopDraw();},
|
|
release:function(){this.withApp=true;startDraw();}
|
|
};
|
|
|
|
Bangle.on('lcdPower',function(on) {
|
|
if (!SCREENACCESS.withApp) return;
|
|
if (on) startDraw();
|
|
else stopDraw();
|
|
});
|
|
|
|
var gpssetup;
|
|
try {
|
|
gpssetup = require("gpssetup")
|
|
} catch(e) {
|
|
gpssetup = false;
|
|
}
|
|
|
|
// All set up. Lets go.
|
|
g.clear();
|
|
Bangle.loadWidgets();
|
|
Bangle.drawWidgets();
|
|
onGPS(lf);
|
|
Bangle.setGPSPower(1);
|
|
|
|
if ( gpssetup ) {
|
|
gpssetup.setPowerMode({power_mode:"SuperE"}).then(function() { Bangle.setGPSPower(1); });
|
|
}
|
|
else {
|
|
Bangle.setGPSPower(1);
|
|
}
|
|
|
|
Bangle.on('GPS', onGPS);
|
|
|
|
setButtons();
|
|
setInterval(updateClock, 30000);
|