public ProximityBeaconFrame GetProximityFrame()
{
ProximityBeaconFrame frame = null;
foreach (BeaconFrameBase f in BeaconFrames)
{
if (f is ProximityBeaconFrame)
{
frame = f as ProximityBeaconFrame;
}
}
return(frame);
}
/// <summary>
/// Received a new advertisement for this beacon.
/// If the Bluetooth address of the new advertisement matches this beacon,
/// it will parse the contents of the advertisement and extract known frames.
/// </summary>
/// <param name="btAdv">Bluetooth advertisement to parse, as received from
/// the Windows Bluetooth LE API.</param>
public void UpdateBeacon(BluetoothLEAdvertisementReceivedEventArgs btAdv)
{
if (btAdv == null)
{
return;
}
if (btAdv.BluetoothAddress != BluetoothAddress)
{
throw new BeaconException("Bluetooth address of beacon does not match - not updating beacon information");
}
Rssi = btAdv.RawSignalStrengthInDBm;
Timestamp = btAdv.Timestamp;
//Debug.WriteLine($"Beacon advertisment detected (Strength: {Rssi}): Address: {BluetoothAddress}");
// Check if beacon advertisement contains any actual usable data
if (btAdv.Advertisement == null)
{
return;
}
if (btAdv.Advertisement.ServiceUuids.Any())
{
foreach (var serviceUuid in btAdv.Advertisement.ServiceUuids)
{
// If we have multiple service UUIDs and already recognized a beacon type,
// don't overwrite it with another service Uuid.
if (BeaconType == BeaconType.Unknown)
{
BeaconType = serviceUuid.ToBeaconType();
}
}
}
else
{
//Debug.WriteLine("Bluetooth LE device does not send Service UUIDs");
}
// Data sections
if (btAdv.Advertisement.DataSections.Any())
{
if (BeaconType == BeaconType.Eddystone)
{
ParseEddystoneData(btAdv);
}
else if (BeaconType == BeaconType.AXABeacon)
{
ParseAxaBeaconData(btAdv);
}
else if (BeaconType == BeaconType.Unknown)
{
// Unknown beacon type
//Debug.WriteLine("\nUnknown beacon");
//foreach (var dataSection in btAdv.Advertisement.DataSections)
//{
// Debug.WriteLine("Data section 0x: " + dataSection.DataType.ToString("X") + " = " +
// BitConverter.ToString(dataSection.Data.ToArray()));
//}
}
}
// Manufacturer data - currently unused
if (btAdv.Advertisement.ManufacturerData.Any())
{
foreach (var manufacturerData in btAdv.Advertisement.ManufacturerData)
{
// Print the company ID + the raw data in hex format
//var manufacturerDataString = $"0x{manufacturerData.CompanyId.ToString("X")}: {BitConverter.ToString(manufacturerData.Data.ToArray())}";
//Debug.WriteLine("Manufacturer data: " + manufacturerDataString);
ManufacturerId = manufacturerData.CompanyId;
var manufacturerDataArry = manufacturerData.Data.ToArray();
if (BeaconFrameHelper.IsProximityBeaconPayload(manufacturerData.CompanyId, manufacturerDataArry))
{
//BeaconType = BeaconType.iBeacon;
//Debug.WriteLine("iBeacon Frame: " + BitConverter.ToString(manufacturerDataArry));
var beaconFrame = new ProximityBeaconFrame(manufacturerDataArry);
// Only one relevant data frame for iBeacons
if (BeaconFrames.Any())
{
BeaconFrames[0].Update(beaconFrame);
}
else
{
BeaconFrames.Add(beaconFrame);
}
}
}
}
}
/// <summary>
/// Received a new advertisement for this beacon.
/// If the Bluetooth address of the new advertisement matches this beacon,
/// it will parse the contents of the advertisement and extract known frames.
/// </summary>
/// <param name="btAdv">Bluetooth advertisement to parse, as received from
/// the Windows Bluetooth LE API.</param>
public void UpdateBeacon(BluetoothLEAdvertisementReceivedEventArgs btAdv)
{
if (btAdv == null) return;
if (btAdv.BluetoothAddress != BluetoothAddress)
{
throw new BeaconException("Bluetooth address of beacon does not match - not updating beacon information");
}
Rssi = btAdv.RawSignalStrengthInDBm;
Timestamp = btAdv.Timestamp;
//Debug.WriteLine($"Beacon advertisment detected (Strength: {Rssi}): Address: {BluetoothAddress}");
// Check if beacon advertisement contains any actual usable data
if (btAdv.Advertisement == null) return;
if (btAdv.Advertisement.ServiceUuids.Any())
{
foreach (var serviceUuid in btAdv.Advertisement.ServiceUuids)
{
// If we have multiple service UUIDs and already recognized a beacon type,
// don't overwrite it with another service Uuid.
if (BeaconType == BeaconTypeEnum.Unknown)
{
BeaconType = serviceUuid.Equals(_eddystoneGuid)
? BeaconTypeEnum.Eddystone
: BeaconTypeEnum.Unknown;
}
}
}
else
{
//Debug.WriteLine("Bluetooth LE device does not send Service UUIDs");
}
// Data sections
if (btAdv.Advertisement.DataSections.Any())
{
if (BeaconType == BeaconTypeEnum.Eddystone)
{
// This beacon is according to the Eddystone specification - parse data
ParseEddystoneData(btAdv);
}
else if (BeaconType == BeaconTypeEnum.Unknown)
{
// Unknown beacon type
//Debug.WriteLine("\nUnknown beacon");
//foreach (var dataSection in btAdv.Advertisement.DataSections)
//{
// Debug.WriteLine("Data section 0x: " + dataSection.DataType.ToString("X") + " = " +
// BitConverter.ToString(dataSection.Data.ToArray()));
//}
}
}
// Manufacturer data - currently unused
if (btAdv.Advertisement.ManufacturerData.Any())
{
foreach (var manufacturerData in btAdv.Advertisement.ManufacturerData)
{
// Print the company ID + the raw data in hex format
//var manufacturerDataString = $"0x{manufacturerData.CompanyId.ToString("X")}: {BitConverter.ToString(manufacturerData.Data.ToArray())}";
//Debug.WriteLine("Manufacturer data: " + manufacturerDataString);
var manufacturerDataArry = manufacturerData.Data.ToArray();
if (BeaconFrameHelper.IsProximityBeaconPayload(manufacturerData.CompanyId, manufacturerDataArry))
{
BeaconType = BeaconTypeEnum.iBeacon;
//Debug.WriteLine("iBeacon Frame: " + BitConverter.ToString(manufacturerDataArry));
var beaconFrame = new ProximityBeaconFrame(manufacturerDataArry);
// Only one relevant data frame for iBeacons
if (BeaconFrames.Any())
{
BeaconFrames[0].Update(beaconFrame);
}
else
{
BeaconFrames.Add(beaconFrame);
}
}
}
}
}
