public static iBeaconData iBeaconParseAdvertisement(this BluetoothLEAdvertisement Advertisment,short RawSignalStrengthInDBm)
{
iBeaconData beacon = null;
foreach(var adv in Advertisment.ManufacturerData)
if (adv.CompanyId==76) //Apple
{
var bytes = adv.Data.ToArray();
if (bytes[0] == 0x02 && bytes[1] == 0x15 && bytes.Length==23)
{
//iBeacon Data
beacon = new iBeaconData();
beacon.UUID =new Guid(bytes.Skip(2).Take(16).ToArray());
beacon.Major = BitConverter.ToUInt16(bytes.Skip(18).Take(2).Reverse().ToArray(),0);
beacon.Minor = BitConverter.ToUInt16(bytes.Skip(20).Take(2).Reverse().ToArray(),0);
beacon.TxPower =(short) (sbyte) bytes[22];
beacon.Rssi = RawSignalStrengthInDBm;
//Estimated value
//Read this article http://developer.radiusnetworks.com/2014/12/04/fundamentals-of-beacon-ranging.html
beacon.Distance = CalculateDistance(beacon.TxPower,RawSignalStrengthInDBm);
Debug.WriteLine("UUID: "+beacon.UUID.ToString()+" Major: "+beacon.Major+" Minor:"+beacon.Minor+" Power: "+ beacon.TxPower+ " Rssi: "+RawSignalStrengthInDBm+" Distance:"+ beacon.Distance);
}
}
return beacon;
}
public static iBeaconData iBeaconParseAdvertisement(this BluetoothLEAdvertisement Advertisment, short RawSignalStrengthInDBm)
{
iBeaconData beacon = null;
foreach (var adv in Advertisment.ManufacturerData)
{
if (adv.CompanyId == 76) //Apple
{
var bytes = adv.Data.ToArray();
if (bytes[0] == 0x02 && bytes[1] == 0x15 && bytes.Length == 23)
{
//iBeacon Data
beacon = new iBeaconData();
beacon.UUID = new Guid(bytes.Skip(2).Take(16).ToArray());
beacon.Major = BitConverter.ToUInt16(bytes.Skip(18).Take(2).Reverse().ToArray(), 0);
beacon.Minor = BitConverter.ToUInt16(bytes.Skip(20).Take(2).Reverse().ToArray(), 0);
beacon.TxPower = (short)(sbyte)bytes[22];
beacon.Rssi = RawSignalStrengthInDBm;
//Estimated value
//Read this article http://developer.radiusnetworks.com/2014/12/04/fundamentals-of-beacon-ranging.html
beacon.Distance = CalculateDistance(beacon.TxPower, RawSignalStrengthInDBm);
Debug.WriteLine("UUID: " + beacon.UUID.ToString() + " Major: " + beacon.Major + " Minor:" + beacon.Minor + " Power: " + beacon.TxPower + " Rssi: " + RawSignalStrengthInDBm + " Distance:" + beacon.Distance);
}
}
}
return(beacon);
}
public static void iBeaconSetAdvertisement(this BluetoothLEAdvertisement Advertisment, iBeaconData data)
{
BluetoothLEManufacturerData manufacturerData = new BluetoothLEManufacturerData();
// Set Apple as the manufacturer data
manufacturerData.CompanyId = 76;
var writer = new DataWriter();
writer.WriteUInt16(0x0215); //bytes 0 and 1 of the iBeacon advertisment indicator
if (data!=null& data.UUID!= Guid.Empty)
{
//If UUID is null scanning for all iBeacons
writer.WriteBytes( data.UUID.ToByteArray());
if (data.Major!=0)
{
//If Major not null searching with UUID and Major
writer.WriteBytes(BitConverter.GetBytes(data.Major).Reverse().ToArray());
if (data.Minor != 0)
{
//If Minor not null we are looking for a specific beacon not a class of beacons
writer.WriteBytes(BitConverter.GetBytes(data.Minor).Reverse().ToArray());
if (data.TxPower != 0)
writer.WriteBytes(BitConverter.GetBytes(data.TxPower));
}
}
}
manufacturerData.Data = writer.DetachBuffer();
Advertisment.ManufacturerData.Clear();
Advertisment.ManufacturerData.Add(manufacturerData);
}
public static void iBeaconSetAdvertisement(this BluetoothLEAdvertisement Advertisment, iBeaconData data)
{
BluetoothLEManufacturerData manufacturerData = new BluetoothLEManufacturerData();
// Set Apple as the manufacturer data
manufacturerData.CompanyId = 76;
var writer = new DataWriter();
writer.WriteUInt16(0x0215); //bytes 0 and 1 of the iBeacon advertisment indicator
//if (data!=null& data.UUID!= Guid.Empty)
//{
// //If UUID is null scanning for all iBeacons
// writer.WriteBytes( data.UUID.ToByteArray());
// if (data.Major!=0)
// {
// //If Major not null searching with UUID and Major
// writer.WriteBytes(BitConverter.GetBytes(data.Major).Reverse().ToArray());
// if (data.Minor != 0)
// {
// //If Minor not null we are looking for a specific beacon not a class of beacons
// writer.WriteBytes(BitConverter.GetBytes(data.Minor).Reverse().ToArray());
// if (data.TxPower != 0)
// writer.WriteBytes(BitConverter.GetBytes(data.TxPower));
// }
// }
//}
manufacturerData.Data = writer.DetachBuffer();
Advertisment.ManufacturerData.Clear();
Advertisment.ManufacturerData.Add(manufacturerData);
}