bluetooth widget

apps.json

@@ -120,6 +120,15 @@
       {"name":"=sbat","url":"widget-battery.js"}
     ]
   },
+  { "id": "sbt",
+    "name": "Bluetooth Widget",
+    "icon": "widget-bluetooth.png",
+    "description": "Show the current Bluetooth connection status in the top right of the clock",
+    "tags": "widget,bluetooth",
+    "storage": [
+      {"name":"=sbt","url":"widget-bluetooth.js"}
+    ]
+  },
   { "id": "hrm",
     "name": "Heart Rate Monitor",
     "icon": "heartrate.png",

apps/widget-bluetooth.js

@@ -0,0 +1,22 @@
+(function(){
+var img_bt = E.toArrayBuffer(atob("CxQBBgDgFgJgR4jZMawfAcA4D4NYybEYIwTAsBwDAA=="));
+var xpos = WIDGETPOS.tr-24;
+WIDGETPOS.tr-=24;
+
+function draw() {
+  var x = xpos, y = 0;
+  if (NRF.getSecurityStatus().connected)
+    g.setColor(0,0.5,1);
+  else
+    g.setColor(0.3,0.3,0.3);
+  g.drawImage(img_bt,10+x,2+y);
+  g.setColor(1,1,1);
+}
+function changed() {
+  draw();
+  g.flip();
+}
+NRF.on('connected',changed);
+NRF.on('disconnected',changed);
+WIDGETS["bluetooth"]={draw:draw};
+})()