/// <summary>
/// Bind the inquired GattDeviceService to send and receive data to and from the pen.
/// (It is not used unless it is a special case.)
/// </summary>
/// <param name="gattDeviceServices">GattDeviceService found</param>
/// <returns>True on success false on failure</returns>
public async Task <bool> Bind(IReadOnlyList <GattDeviceService> gattDeviceServices)
{
Debug.WriteLine("Bind Try");
try
{
foreach (var gds in gattDeviceServices)
{
if (gds.Uuid.Equals(OldServiceUuidV2) || gds.Uuid.Equals(ServiceUuidV2))
{
gattDeviceService = gds;
mtuSize = gattDeviceService.Session.MaxPduSize;
var result = await gds.GetCharacteristicsAsync();
if (result.Status == GattCommunicationStatus.Success)
{
var characteristics = result.Characteristics;
await InitCharacteristics(characteristics);
if (writeCharacteristic != null && indicateCharacteristic != null)
{
writeTask = Task.Run(GattSendDataTask);
PenController.PenClient = this;
PenController.Protocol = Protocols.V2;
PenController.OnConnected();
return(true);
}
else
{
// TODO error
Debug.WriteLine("Bind cannot init Characteristics");
}
}
else
{
// todo error
Debug.WriteLine("Bind GattCommunicationStatus is not Success");
}
break;
}
}
return(false);
}
catch (Exception exp)
{
Debug.WriteLine("Bind Exception occured : " + exp.Message);
return(false);
}
}
