Bangle.js2: Update test to use accelerometer to test vibration motor

ChangeLog

@@ -8,6 +8,7 @@
             Bangle.js2: Test screen now fails if no DCDC enabled
             Bangle.js: Ensure fake LED1/LED2 remember state
             Ensure E.setComparator is added to the build for nRF52
+            Bangle.js2: Update test to use accelerometer to test vibration motor
 
      2v25 : ESP32C3: Get analogRead working correctly
             Graphics: Adjust image alignment when rotating images to avoid cropping (fix #2535)

libs/js/banglejs/Bangle_showTestScreen.js

@@ -9,25 +9,50 @@
   Bangle.setLocked(0);
   Bangle.setLCDTimeout(0);
   var pass = [];
+  const TESTS = "TS,GPS,HRM,Baro,Mag,Acc,Btn,FW,Chg,Vibrate".split(",");
   const abs = Math.abs;
-  function draw(n,id,s,ok) {
+  var vibOn = false, vibCounter = 0, vibMotion;
+  function draw(id,s,ok) {
+    var n = TESTS.indexOf(id);
     pass[n]=ok;
-    var y = n*19;
-    g.reset().clearRect(48,y,175,y+19).setFont("6x8:1x2");
-    g.setBgColor(ok ? "#0f0" : "#f00").clearRect(0,y,48,y+19);
-    g.setFontAlign(0,0).drawString(id, 24, y+10);
-    g.setFontAlign(-1,0).drawString(s, 52, y+10);
+    var y = n*17;
+    g.reset().clearRect(48,y,175,y+17).setFont("6x8:1x2");
+    g.setBgColor(ok ? "#0f0" : "#f00").clearRect(0,y,48,y+17);
+    g.setFontAlign(0,0).drawString(id, 24, y+9);
+    g.setFontAlign(-1,0).drawString(s, 52, y+9);
   }
-  "TS,GPS,HRM,Baro,Mag,Acc,Btn,FW,Chg".split(",").forEach((e,i)=>draw(i,e,"",false));
-  Bangle.on('touch',(n,e)=>draw(0,"TS",e.x+","+e.y, e.x>-25 && e.y>-25 && e.x<200 && e.y<200));
-  Bangle.on('GPS',fix=>draw(1,"GPS",fix.time?require("locale").time(fix.time,1):"--",true));
-  Bangle.on('HRM-raw',h=>draw(2,"HRM",h.vcPPG,h.vcPPG>=0 && h.vcPPG<=5000));
-  Bangle.on('pressure',p=>draw(3,"Baro",Math.round(p.pressure), p.pressure>900 && p.pressure<1100));
-  Bangle.on('mag',p=>draw(4,"Mag",p.x+","+p.y+","+p.z, abs(p.x)<5000 && Math.abs(p.y)<5000 && Math.abs(p.z)<5000));
-  Bangle.on('accel',p=>draw(5,"Acc",p.x.toFixed(1)+","+p.y.toFixed(1)+","+p.z.toFixed(1), abs(p.x)<0.5 && abs(p.y)<0.5 && p.z<-0.8 ));
-  setWatch(e=>draw(6,'Btn',e.state?"Press":"Released",true),BTN,{edge:0,repeat:1});
+  TESTS.forEach(id=>draw(id,"",false));
+  Bangle.on('touch',(n,e)=>draw("TS",e.x+","+e.y, e.x>-25 && e.y>-25 && e.x<200 && e.y<200));
+  Bangle.on('GPS',fix=>draw("GPS",fix.time?require("locale").time(fix.time,1):"--",true));
+  Bangle.on('HRM-raw',h=>draw("HRM",h.vcPPG,h.vcPPG>=0 && h.vcPPG<=5000));
+  Bangle.on('pressure',p=>draw("Baro",Math.round(p.pressure), p.pressure>900 && p.pressure<1100));
+  Bangle.on('mag',p=>draw("Mag",p.x+","+p.y+","+p.z, abs(p.x)<5000 && Math.abs(p.y)<5000 && Math.abs(p.z)<5000));
+  Bangle.on('accel',p=>{
+    draw("Acc",p.x.toFixed(1)+","+p.y.toFixed(1)+","+p.z.toFixed(1), abs(p.x)<0.5 && abs(p.y)<0.5 && p.z<-0.8 );
+    if (vibOn) { // if testing, wait for 10 readings and sum difference to see if it moved
+      vibCounter++;
+      vibMotion += p.diff;
+      if (vibCounter>10) {
+        vibOn = false;
+        D19.reset();
+        var ok = vibMotion>3;
+        draw("Vibrate",ok?"ok":"fail",ok);
+      }
+    } else if ((vibMotion===undefined) && p.diff < 0.02){
+      // wait until the Bangle has been still for a few seconds before turning vib on
+      vibCounter++;
+      if (vibCounter>15) {
+        vibCounter = 0;
+        vibOn = true;
+        vibMotion = 0;
+        D19.set();
+      }
+    } else vibCounter = 0;
+
+  });
+  setWatch(e=>draw('Btn',e.state?"Press":"Released",true),BTN,{edge:0,repeat:1});
   var bootcode=require("Storage").read(".bootcde");
-  draw(7,'FW',"boot "+(require("Storage").readJSON("boot.info",1)||{}).version||"NONE", bootcode&&bootcode.includes("clockHasWidgets"));
+  draw('FW',"boot "+(require("Storage").readJSON("boot.info",1)||{}).version||"NONE", bootcode&&bootcode.includes("clockHasWidgets"));
   setTimeout(function() {
     var mv = (0.0001+analogRead(D3)+analogRead(D3)+analogRead(D3))/3, cup = 0, chg = 0;
     setInterval(function() {
@@ -39,7 +64,7 @@
         msg = "NO DCDC";
         ok = false;
       }
-      draw(8,'Chg',msg,ok);
+      draw('Chg',msg,ok);
     },500);
   },1000);
   Bangle.on('swipe', e => {