adding EID support

lib/eddystone-beacon-scanner.js

@@ -14,6 +14,7 @@ var SERVICE_UUID = 'feaa';
 var UID_FRAME_TYPE = 0x00;
 var URL_FRAME_TYPE = 0x10;
 var TLM_FRAME_TYPE = 0x20;
+var EID_FRAME_TYPE = 0x30;
 
 var EXIT_GRACE_PERIOD = 5000; // milliseconds
 
@@ -132,13 +133,19 @@ EddystoneBeaconScanner.prototype.parseBeacon = function(peripheral) {
       beacon = this.parseTlmData(data);
       break;
 
+    case EID_FRAME_TYPE:
+      type = 'eid';
+      beacon = this.parseEidData(data);
+      break;
+
     default:
       break;
   }
 
   beacon.id = peripheral.id;
   beacon.type = type;
   beacon.rssi = rssi;
+  beacon.address = peripheral.address
 
   var txPower = beacon.txPower;
   if (txPower !== undefined) {
@@ -159,24 +166,50 @@ EddystoneBeaconScanner.prototype.parseUidData = function(data) {
 EddystoneBeaconScanner.prototype.parseUrlData = function(data) {
   return {
     txPower: data.readInt8(1),
-    url: urlDecode(data.slice(2))
+    url: urlDecode(data.slice(2)),
+    prefix: this.prefix(data.readInt8(2))
   };
 };
 
 EddystoneBeaconScanner.prototype.parseTlmData = function(data) {
   return {
-    tlm: {
-      version: data.readUInt8(1),
-      vbatt: data.readUInt16BE(2),
-      temp: data.readInt16BE(4) / 256,
-      advCnt: data.readUInt32BE(6),
-      secCnt: data.readUInt32BE(10)
-    }
+    version: data.readUInt8(1),
+    battery: data.readUInt16BE(2),
+    temperature: data.readInt16BE(4) / 256,
+    pdu: data.readUInt32BE(6),
+    time: data.readUInt32BE(10)
+  };
+};
+
+EddystoneBeaconScanner.prototype.parseEidData = function(data) {
+  return {
+      txPower: data.readInt8(1),
+      eid: data.slice(2, 10).toString('hex')
   };
 };
 
 EddystoneBeaconScanner.prototype.calculateDistance = function(txPower, rssi) {
   return Math.pow(10, ((txPower - rssi) - 41) / 20.0);
 };
 
+EddystoneBeaconScanner.prototype.prefix = function(number){
+  switch(number){
+    case 0:
+      return 'http://www.'
+      break;
+
+    case 1:
+      return 'https://www.'
+      break;
+
+    case 2:
+      return 'http://'
+      break;
+
+    case 3:
+      return 'https://'
+      break;
+  }
+}
+
 module.exports = EddystoneBeaconScanner;

package.json

@@ -25,8 +25,10 @@
     "jshint": "^2.7.0"
   },
   "dependencies": {
-    "debug": "^2.1.3",
-    "noble": "^1.1.0",
-    "eddystone-url-encoding": "^1.0.0"
+    "bluetooth-hci-socket": "^0.5.1",
+    "debug": "^3.1.0",
+    "eddystone-url-encoding": "^1.0.1",
+    "noble": "^1.9.1",
+    "usb": "^1.3.2"
   }
 }