mirror of https://github.com/espruino/BangleApps
Create app.js
numerist
GitHub
parent
da3545fd6c
commit
1c2d59b1a8
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// Positioning values for graphics buffers
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const g_height = 80; // total graphics height
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const g_x_off = 16; // position from left
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const g_y_off = (240 - g_height)/2; // vertical center for graphics region
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const g_width = 240 - 2 * g_x_off; // total graphics width
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const g_height_d = 32; // height of date region
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const g_y_off_d = 0; // y position of date region within graphics region
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const spacing = 0; // space between date and time in graphics region
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const g_y_off_t = g_y_off_d + g_height_d + spacing; // y position of time within graphics region
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const g_height_t = 48; // height of time region
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// Other vars
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const A1 = [30,30,30,30,31,31,31,31,31,31,30,30];
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const B1 = [30,30,30,30,30,31,31,31,31,31,30,30];
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const B2 = [30,30,30,30,31,31,31,31,31,30,30,30];
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const timeColour = "#f2f2f2";
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const dateColours = ["#ff0000","#ffa500","#ffff00","#00b800","#0000ff","#ff00ff","#ff0080"];
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const calen10 = {"size":32,"pt0":[32-g_x_off,16],"step":[20,0],"dx":-4.5,"dy":-4.5}; // positioning for usual calendar line
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const calen7 = {"size":32,"pt0":[62-g_x_off,16],"step":[20,0],"dx":-4.5,"dy":-4.5}; // positioning for S-day calendar line
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const time5 = {"size":48,"pt0":[64-g_x_off,24],"step":[30,0],"dx":-6.5,"dy":-6.5}; // positioning for lull time line
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const time6 = {"size":48,"pt0":[48-g_x_off,24],"step":[30,0],"dx":-6.5,"dy":-6.5}; // positioning for twinkling time line
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const baseYear = 11584;
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const baseDate = Date(2020,11,21); // month values run from 0 to 11
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let accum = new Date(baseDate.getTime());
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let sequence = [];
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let timeActiveUntil;
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let addTimeDigit = false;
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let dateFormat = false;
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let lastX = 999999999;
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let res = {};
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//var last_time_log = 0;
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// Date and time graphics buffers
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var dateColour = "#ffffff"; // override later
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var g_d = Graphics.createArrayBuffer(g_width,g_height_d,1,{'msb':true});
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var g_t = Graphics.createArrayBuffer(g_width,g_height_t,1,{'msb':true});
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// Set screen mode and function to write graphics buffers
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Bangle.setLCDMode();
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g.clear(); // start with blank screen
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g.flip = function()
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{
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g.setColor(dateColour);
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g.drawImage(
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{
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width:g_width,
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height:g_height_d,
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buffer:g_d.buffer
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}, g_x_off, g_y_off + g_y_off_d);
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g.setColor(timeColour);
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g.drawImage(
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{
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width:g_width,
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height:g_height_t,
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buffer:g_t.buffer
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}, g_x_off, g_y_off + g_y_off_t);
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};
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setWatch(function(){ modeTime(); }, BTN1, {repeat:true} );
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setWatch(function(){ Bangle.showLauncher(); }, BTN2, { repeat: false, edge: "falling" });
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setWatch(function(){ modeWeather(); }, BTN3, {repeat:true});
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setWatch(function(){ toggleTimeDigits(); }, BTN4, {repeat:true});
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setWatch(function(){ toggleDateFormat(); }, BTN5, {repeat:true});
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function buildSequence(targ){
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for(let i=0;i<targ.length;++i){
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sequence.push(new Date(accum.getTime()));
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accum.setDate(accum.getDate()+targ[i]);
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}
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}
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buildSequence(B2);
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buildSequence(B2);
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buildSequence(A1);
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buildSequence(B1);
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buildSequence(B2);
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buildSequence(B2);
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buildSequence(A1);
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buildSequence(B1);
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buildSequence(B2);
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buildSequence(B2);
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buildSequence(A1);
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buildSequence(B1);
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buildSequence(B2);
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function getDate(dt){
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let index = sequence.findIndex(n => n > dt)-1;
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let year = baseYear+parseInt(index/12);
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let month = index % 12;
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let day = parseInt((dt-sequence[index])/86400000);
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let colour = dateColours[day % 6];
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if(day==30){ colour=dateColours[6]; }
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return({"year":year,"month":month,"day":day,"colour":colour});
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}
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function toggleTimeDigits(){
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addTimeDigit = !addTimeDigit;
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modeTime();
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}
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function toggleDateFormat(){
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dateFormat = !dateFormat;
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modeTime();
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}
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function formatDate(res,dateFormat){
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let yyyy = res.year.toString(12);
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calenDef = calen10;
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if(!dateFormat){ //ordinal format
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let mm = ("0"+(res.month+1).toString(12)).substr(-2);
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let dd = ("0"+(res.day+1).toString(12)).substr(-2);
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if(res.day==30){
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calenDef = calen7;
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let m = ((res.month+1).toString(12)).substr(-2);
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return(yyyy+"-"+"S"+m); // ordinal format
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}
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return(yyyy+"-"+mm+"-"+dd);
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}
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let m = res.month.toString(12); // cardinal format
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let w = parseInt(res.day/6);
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let d = res.day%6;
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//return(yyyy+"-"+res.month+"-"+w+"-"+d);
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return(yyyy+"-"+m+"-"+w+"-"+d);
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}
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function writeDozTime(text,def,colour){
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let pts = def.pts;
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let x=def.pt0[0];
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let y=def.pt0[1];
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g_t.clear();
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g_t.setFont("Vector",def.size);
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g_t.setColor(colour);
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for(let i in text){
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if(text[i]=="a"){ g_t.setFontAlign(0,0,2); g_t.drawString("2",x+def.dx,y+def.dy); }
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else if(text[i]=="b"){ g_t.setFontAlign(0,0,2); g_t.drawString("3",x+def.dx,y+def.dy); }
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else{ g_t.setFontAlign(0,0,0); g_t.drawString(text[i],x,y); }
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x = x+def.step[0];
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y = y+def.step[1];
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}
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}
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function writeDozDate(text,def,colour){
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dateColour = colour;
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let pts = def.pts;
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let x=def.pt0[0];
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let y=def.pt0[1];
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g_d.clear();
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g_d.setFont("Vector",def.size);
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g_d.setColor(colour);
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for(let i in text){
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if(text[i]=="a"){ g_d.setFontAlign(0,0,2); g_d.drawString("2",x+def.dx,y+def.dy); }
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else if(text[i]=="b"){ g_d.setFontAlign(0,0,2); g_d.drawString("3",x+def.dx,y+def.dy); }
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else{ g_d.setFontAlign(0,0,0); g_d.drawString(text[i],x,y); }
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x = x+def.step[0];
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y = y+def.step[1];
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}
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}
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// Functions for time mode
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function drawTime()
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{
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let dt = new Date();
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let date = "";
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let timeDef;
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let x = 0;
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dt.setDate(dt.getDate());
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if(addTimeDigit){
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x =
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10368*dt.getHours()+172.8*dt.getMinutes()+2.88*dt.getSeconds()+0.00288*(dt.getMilliseconds()+1500);
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let msg = "00000"+Math.floor(x).toString(12);
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let time = msg.substr(-5,3)+"."+msg.substr(-2);
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let wait = 347*(1-(x%1));
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timeDef = time6;
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} else {
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x =
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864*dt.getHours()+14.4*dt.getMinutes()+0.24*dt.getSeconds()+0.00024*(dt.getMilliseconds()+1500);
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let msg = "0000"+Math.floor(x).toString(12);
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let time = msg.substr(-4,3)+"."+msg.substr(-1);
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let wait = 4167*(1-(x%1));
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timeDef = time5;
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}
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if(lastX > x){ res = getDate(dt); } // calculate date once at start-up and once when turning over to a new day
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date = formatDate(res,dateFormat);
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if(dt<timeActiveUntil)
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{
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// Write to background buffers, then display on screen
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writeDozDate(date,calenDef,res.colour);
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writeDozTime(time,timeDef,timeColour);
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g.flip();
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// Ready next interval
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setTimeout(drawTime,wait);
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}
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else
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{
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// Clear screen
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g_d.clear();
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g_t.clear();
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g.flip();
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}
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lastX = x;
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}
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function modeTime()
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{
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timeActiveUntil = new Date();
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timeActiveUntil.setDate(timeActiveUntil.getDate());
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timeActiveUntil.setSeconds(timeActiveUntil.getSeconds()+15);
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//Bangle.setLCDPower(true);
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clearTimeout();
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drawTime();
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}
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// Time-logging function
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/*function logTime(label)
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{
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var d = new Date();
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var t = d.getTime();
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var diff_test = t - last_time_log;
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last_time_log = t;
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console.log(label + " at time: " + t + ", since last: " + diff_test);
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}*/
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// Functions for weather mode - TODO
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function drawWeather() {}
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function modeWeather() {}
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// Start time on twist
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Bangle.on('twist', function() {
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modeTime();
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});
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