Added display of steps and ability to switch on heart rate monitor

apps/cliock/README.md

@@ -9,6 +9,14 @@ A retro VT100 command line style clock
 
 ### With BTN1 pressed
 
-* Successive presses of BTN1 will show id, FW version, battery %, memory %
+* Successive presses of BTN1 will show Heart rate, Steps, id, FW version, battery %, memory %
 
 ![](cli_clock_with_id.jpg)
+
+* BTN2 shows a functional menu that enables the Heart rate monitor to be turned on / off using BTN1
+
+Once the heart rate monitor is ON, you can cycle through the displays to show the heart rate.
+
+## Future Enhancements
+* Ability to turn on the GPS and show, lat long, grid ref
+* Maybe a simple stopwatch capability

apps/cliock/app.js

@@ -4,17 +4,21 @@ var marginTop = 40;
 var flag = false;
 var WeekDays = ["Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday"];
 
+var hrtOn = false;
+var hrtStr = "Hrt: ??? bpm";
 
 const NONE_MODE = "none";
 const ID_MODE = "id";
 const VER_MODE = "ver";
 const BATT_MODE = "batt";
 const MEM_MODE = "mem";
-const STEP_MODE = "step";
+const STEPS_MODE = "step";
 const HRT_MODE = "hrt";
+const NONE_FN_MODE = "no_fn";
+const HRT_FN_MODE = "fn_hrt";
 
 let infoMode = NONE_MODE;
-let functionMode = NONE_MODE;
+let functionMode = NONE_FN_MODE;
 
 function drawAll(){
   updateTime();
@@ -58,11 +62,29 @@ function drawInfo(line) {
   let str = "";
   let col = 0x07E0; // green
 
+  console.log("drawInfo(), infoMode=" + infoMode + " funcMode=" + functionMode);
+
+  switch(functionMode) {
+  case NONE_FN_MODE:
+    break;
+  case HRT_FN_MODE:
+    col = 0x07FF; // cyan
+    str = "HRM: " + (hrtOn ? "ON" : "OFF");
+    drawModeLine(line,str,col);
+    return;
+  }
+  
   switch(infoMode) {
   case NONE_MODE:
     col = 0x0000;
     str = "";
     break;
+  case HRT_MODE:
+    str = hrtStr;
+    break;
+  case STEPS_MODE:
+    str = "Steps: " + stepsWidget().getSteps();
+    break;
   case ID_MODE:
     val = NRF.getAddress().split(":");
     str = "Id: " + val[4] + val[5];
@@ -79,6 +101,10 @@ function drawInfo(line) {
     str = "Battery: " + E.getBattery() + "%";
   }
 
+  drawModeLine(line,str,col);
+}
+
+function drawModeLine(line, str, col) {
   g.setColor(col);
   g.fillRect(0, marginTop-3+line*30, 239, marginTop+25+line*30);
   g.setColor(0,0,0);
@@ -87,8 +113,31 @@ function drawInfo(line) {
 }
 
 function changeInfoMode() {
+  switch(functionMode) {
+  case NONE_FN_MODE:
+    break;
+  case HRT_FN_MODE:
+    hrtOn = !hrtOn;
+    Bangle.buzz();
+    Bangle.setHRMPower(hrtOn ? 1 : 0);
+    if (hrtOn) infoMode = HRT_MODE;
+    return;
+  }
+
   switch(infoMode) {
   case NONE_MODE:
+    if (stepsWidget() !== undefined)
+      infoMode = hrtOn ? HRT_MODE : STEPS_MODE;
+    else
+      infoMode = VER_MODE;
+    break;
+  case HRT_MODE:
+    if (stepsWidget() !== undefined)
+      infoMode = STEPS_MODE;
+    else
+      infoMode = VER_MODE;
+    break;
+  case STEPS_MODE:
     infoMode = ID_MODE;
     break;
   case ID_MODE:
@@ -107,19 +156,36 @@ function changeInfoMode() {
 }
 
 function changeFunctionMode() {
+  console.log("changeFunctionMode()");
   switch(functionMode) {
-  case NONE_MODE:
+  case NONE_FN_MODE:
-    functionMode = STEP_MODE;
+    functionMode = HRT_FN_MODE;
     break;
-  case STEP_MODE:
+  case HRT_FN_MODE:
-    functionMode = HRT_MODE;
-    break;
-  case HRT_MODE:
   default:
-    functionMode = NONE_MODE;
+    functionMode = NONE_FN_MODE;
   }
+  console.log(functionMode);
+  
 }
 
+function stepsWidget() {
+  if (WIDGETS.activepedom !== undefined) {
+    return WIDGETS.activepedom;
+  } else if (WIDGETS.wpedom !== undefined) {
+    return WIDGETS.wpedom;
+  }
+  return undefined;
+}
+
+Bangle.on('HRM', function(hrm) {
+  if(hrm.confidence > 90){
+    hrtStr = "Hrt: " + hrm.bpm + " bpm";
+  } else {
+    hrtStr = "Hrt: ??? bpm";
+  }
+});
+
 g.clear();
 Bangle.loadWidgets();
 Bangle.drawWidgets();
@@ -131,4 +197,4 @@ Bangle.on('lcdPower',function(on) {
 var click = setInterval(updateTime, 1000);
 setWatch(Bangle.showLauncher, BTN2, {repeat:false,edge:"falling"});
 setWatch(() => { changeInfoMode(); drawAll(); }, BTN1, {repeat: true});
-setWatch(() => { changeFunctionMode(); drawAll(); }, BTN2, {repeat: true});
+setWatch(() => { changeFunctionMode(); drawAll(); }, BTN3, {repeat: true});