Initial commit of BLE GATT Battery Service

apps.json

@@ -2129,5 +2129,18 @@
     {"name": "counter.app.js", "url": "counter.js"},
     {"name": "counter.img", "url": "counter-icon.js", "evaluate": true}
    ]
+  },
+  { "id": "widgattbat",
+    "name": "BLE GATT Battery Service",
+    "shortName":"BLE Battery Service",
+    "icon": "widget.png",
+    "version":"0.01",
+    "description": "Adds the GATT Battery Service to advertise the percentage of battery currently remaining over Bluetooth.\n",
+    "tags": "ble,bluetooth,gatt,widget",
+    "type": "widget",
+    "readme": "README.md",
+    "storage": [
+      {"name":"gattbat.wid.js","url":"widget.js"}
+    ]
   }
 ]

apps/widgattbat/ChangeLog

@@ -0,0 +1 @@
+0.01: Initial release.

apps/widgattbat/README.md

@@ -0,0 +1,19 @@
+# BLE GATT Battery Service
+
+Adds the GATT Battery Service to advertise the percentage of battery currently remaining over Bluetooth.
+
+## Usage
+
+Describe how to use it
+
+## Features
+
+Name the function
+
+## Requests
+
+Name who should be contacted for support/update requests
+
+## Creator
+
+Jonathan Jefferies

apps/widgattbat/widget.js

@@ -0,0 +1,16 @@
+(() => {
+  function advertiseBattery() {
+    Bangle.bleAdvert[0x180F] = [E.getBattery()];
+    NRF.setAdvertising(Bangle.bleAdvert);
+  }
+
+  if (!Bangle.bleAdvert) Bangle.bleAdvert = {};
+  setInterval(advertiseBattery, 60 * 1000);
+  advertiseBattery();
+
+  WIDGETS["blebat"]={
+    area:"tl",
+    width:0,
+    draw:function() {}
+  };
+})()