health 0.04: Add HRM graph view

Don't restart HRM when changing apps if we've already got a good BPM value

apps.json

@@ -49,7 +49,7 @@
   {
     "id": "health",
     "name": "Health Tracking",
-    "version": "0.03",
+    "version": "0.04",
     "description": "Logs health data and provides an app to view it (BETA - requires firmware 2v11)",
     "icon": "app.png",
     "tags": "tool,system",

apps/health/ChangeLog

@@ -1,3 +1,5 @@
 0.01: New App!
 0.02: Modified data format to include daily summaries
 0.03: Settings to turn HRM on
+0.04: Add HRM graph view
+      Don't restart HRM when changing apps if we've already got a good BPM value

apps/health/app.js

@@ -12,6 +12,7 @@ function menuMain() {
     "< Back":()=>load(),
     "Step Counting":()=>menuStepCount(),
     "Movement":()=>menuMovement(),
+    "Heart Rate":()=>menuHRM(),
     "Settings":()=>menuSettings()
   });
 }
@@ -20,7 +21,7 @@ function menuSettings() {
   var s=getSettings();
   E.showMenu({
     "":{title:"Health Tracking"},
-    "< Back":()=>load(),
+    "< Back":()=>menuMain(),
     "Heart Rt":{
       value : 0|s.hrm,
       min : 0, max : 2,
@@ -48,6 +49,16 @@ function menuMovement() {
   });
 }
 
+function menuHRM() {
+  E.showMenu({
+    "":{title:"Heart Rate"},
+    "< Back":()=>menuMain(),
+    "per hour":()=>hrmPerHour(),
+    "per day":()=>hrmPerDay(),
+  });
+}
+
+
 function stepsPerHour() {
   E.showMessage("Loading...");
   var data = new Uint16Array(24);
@@ -67,7 +78,7 @@ function stepsPerHour() {
 
 function stepsPerDay() {
   E.showMessage("Loading...");
-  var data = new Uint16Array(24);
+  var data = new Uint16Array(31);
   require("health").readDailySummaries(new Date(), h=>data[h.day]+=h.steps);
   g.clear(1);
   Bangle.drawWidgets();
@@ -82,6 +93,50 @@ function stepsPerDay() {
   Bangle.setUI("updown", ()=>menuStepCount());
 }
 
+function hrmPerHour() {
+  E.showMessage("Loading...");
+  var data = new Uint16Array(24);
+  var cnt = new Uint8Array(23);
+  require("health").readDay(new Date(), h=>{
+    data[h.hr]+=h.bpm;
+    if (h.bpm) cnt[h.hr]++;
+  });
+  data.forEach((d,i)=>data[i] = d/cnt[i]);
+  g.clear(1);
+  Bangle.drawWidgets();
+  g.reset();
+  require("graph").drawBar(g, data, {
+    y:24,
+    miny: 0,
+    axes : true,
+    gridx : 6,
+    gridy : 20
+  });
+  Bangle.setUI("updown", ()=>menuHRM());
+}
+
+function hrmPerDay() {
+  E.showMessage("Loading...");
+  var data = new Uint16Array(31);
+  var cnt = new Uint8Array(31);
+  require("health").readDailySummaries(new Date(), h=>{
+    data[h.day]+=h.bpm;
+    if (h.bpm) cnt[h.day]++;
+  });
+  data.forEach((d,i)=>data[i] = d/cnt[i]);
+  g.clear(1);
+  Bangle.drawWidgets();
+  g.reset();
+  require("graph").drawBar(g, data, {
+    y:24,
+    miny: 0,
+    axes : true,
+    gridx : 5,
+    gridy : 20
+  });
+  Bangle.setUI("updown", ()=>menuHRM());
+}
+
 function movementPerHour() {
   E.showMessage("Loading...");
   var data = new Uint16Array(24);
@@ -96,12 +151,12 @@ function movementPerHour() {
     gridx : 6,
     ylabel : null
   });
-  Bangle.setUI("updown", ()=>menuStepCount());
+  Bangle.setUI("updown", ()=>menuMovement());
 }
 
 function movementPerDay() {
   E.showMessage("Loading...");
-  var data = new Uint16Array(24);
+  var data = new Uint16Array(31);
   require("health").readDailySummaries(new Date(), h=>data[h.day]+=h.movement);
   g.clear(1);
   Bangle.drawWidgets();
@@ -113,7 +168,7 @@ function movementPerDay() {
     gridx : 5,
     ylabel : null
   });
-  Bangle.setUI("updown", ()=>menuStepCount());
+  Bangle.setUI("updown", ()=>menuMovement());
 }
 
 Bangle.loadWidgets();

apps/health/boot.js

@@ -1,7 +1,6 @@
 (function(){
    var settings = require("Storage").readJSON("health.json",1)||{};
    var hrm = 0|settings.hrm;
-   Bangle.setHRMPower(hrm!=0, "health");
    if (hrm==1) {
      function onHealth() {
        Bangle.setHRMPower(1, "health");
@@ -11,8 +10,9 @@
      Bangle.on('HRM', h => {
        if (h.confidence>80) Bangle.setHRMPower(0, "health");
      });
+     if (Bangle.getHealthStatus().bpmConfidence) return;
      onHealth();
-   }
+   } else Bangle.setHRMPower(hrm!=0, "health");
 })();
 
 Bangle.on("health", health => {