public IAsyncOperation <string> sendRequest(string device, string data)
{
Log.WriteLine("\n--->Send Request " + data);
IBuffer mybuffer = GattConvert.ToIBufferFromHexString(data);
byte[] mybyteArray = GattConvert.ToByteArray(mybuffer);
Request req = (SelectedDevice != null) ? SelectedDevice.RegisterRequest(mybyteArray) : null;
if (req != null)
{
req.index = index;
index++;
}
return(Task.Run(() => waitSendRequest(req))
.AsAsyncOperation());
}