Merge branch 'master' of github.com:espruino/BangleApps

apps.json

@@ -2962,7 +2962,7 @@
 { "id": "stepo",
   "name": "Stepometer Clock",
   "icon": "stepo.png",
-  "version":"0.01",
+  "version":"0.02",
   "description": "A large font watch, displays step count in a doughnut guage and warns of low battery",
   "tags": "clock",
   "type":"clock",

apps/stepo/ChangeLog

@@ -0,0 +1,2 @@
+0.01: First version
+0.02: Speeded up draw, start stop timer, long press BTN2 to switch to the launcher

apps/stepo/README.md

@@ -10,6 +10,7 @@ A large font watch, displays step count in a doughnut guage and warns of low bat
 - The guage show percentage of steps out of a goal of 10000 steps
 
 
+
 ![](screenshot1.jpg)
 
 - When the battery is less than 25% the doughnut turns red
@@ -17,8 +18,14 @@ A large font watch, displays step count in a doughnut guage and warns of low bat
 ![](screenshot2.jpg)
 
 
-# Notes
+## BTN2 Long press to start the launcher
 
+BTN2 is confiured to respond to a 1.5 second press in order to switch
+to the launcher App. Simply press and hold until you hear a buzz and
+release. This avoids accidently switching out of the watch app when
+clothing catches it.
+
+## Notes
 
 * Uses an arrayBuffer to prepare the doughnut guage. The arrayBuffer
   is 160*160 and is larger than required. The reason for this is that

apps/stepo/app.js

@@ -1,6 +1,7 @@
 var pal4color = new Uint16Array([0x0000,0xFFFF,0x7BEF,0xAFE5],0,2);   // b,w,grey,greenyellow
 var pal4red = new Uint16Array([0x0000,0xFFFF,0xF800,0xAFE5],0,2);   // b,w,red,greenyellow
 var buf = Graphics.createArrayBuffer(160,160,2,{msb:true});
+var intervalRefSec;
 
 function flip(x,y) {
  g.drawImage({width:160,height:160,bpp:2,buffer:buf.buffer, palette:pal4color}, x, y);
@@ -33,7 +34,7 @@ function drawSteps() {
   buf.setColor(3);   // green-yellow
 
   // draw guauge
-  for (i = startrot; i > midrot; i--) {
+  for (i = startrot; i > midrot; i -= 4) {
     x = cx + r * Math.sin(radians(i));
     y = cy + r * Math.cos(radians(i));
     buf.fillCircle(x,y,4);
@@ -42,7 +43,7 @@ function drawSteps() {
   buf.setColor(2); // grey
 
   // draw remainder of guage in grey
-  for (i = midrot; i > endrot; i--) {
+  for (i = midrot; i > endrot; i -= 4) {
     x = cx + r * Math.sin(radians(i));
     y = cy + r * Math.cos(radians(i));
     buf.fillCircle(x,y,4);
@@ -80,6 +81,15 @@ function getSteps() {
     return stepsWidget().getSteps();
   return "-";
 }
+    
+function startTimer() {
+  draw();
+  intervalRefSec = setInterval(draw, 15000);
+}
+
+function stopTimer() {
+  if(intervalRefSec) { intervalRefSec = clearInterval(intervalRefSec); }
+}
 
 function stepsWidget() {
   if (WIDGETS.activepedom !== undefined) {
@@ -92,13 +102,46 @@ function stepsWidget() {
 
 // handle switch display on by pressing BTN1
 Bangle.on('lcdPower', function(on) {
-  if (on) draw();
+  if (on)
+    startTimer();
+  else
+    stopTimer();
 });
 
+let firstPress = 0;
+var pressTimer;
+
+// start a timer and buzz whenn held long enough
+function firstPressed() {
+  firstPress = getTime();
+  pressTimer = setInterval(longPressCheck, 1500);
+}
+
+// if you release too soon there is no buzz as timer is cleared
+function thenReleased() {
+  var dur = getTime() - firstPress;
+  if (pressTimer) {
+    clearInterval(pressTimer);
+    pressTimer = undefined;
+  }
+  if ( dur >= 1.5 ) Bangle.showLauncher();
+}
+
+// when you feel the buzzer you know you have done a long press
+function longPressCheck() {
+  Bangle.buzz();
+  if (pressTimer) {
+    clearInterval(pressTimer);
+    pressTimer = undefined;
+  }
+}
+
+// make BTN require a long press (1.5 seconds) to switch to launcher
+setWatch(firstPressed, BTN2,{repeat:true,edge:"rising"});
+setWatch(thenReleased, BTN2,{repeat:true,edge:"falling"});
+
 g.reset();
 g.clear();
 Bangle.loadWidgets();
 Bangle.drawWidgets();
-setInterval(draw, 15000); // refresh every 15s
+startTimer();
-draw();
-setWatch(Bangle.showLauncher, BTN2, {repeat:false,edge:"falling"});