private async Task TransmitMessageInternalAsync(HciMessage message)
{
// todo should controlfield be hardcoded?
byte controlField = 0b1000;
var endpointId = (byte)message.EndpointIdentifier;
var combinedControlFieldAndEndPointId = (byte)((controlField << 4) | endpointId);
var bytes = new List <byte>()
{
combinedControlFieldAndEndPointId, message.MessageIdentifier
};
IList <byte>?payload = message.Payload;
if (payload?.Count > 0)
{
var length = checked ((byte)payload.Count);
bytes.Add(length);
bytes.AddRange(payload);
}
else
{
bytes.Add(0x00);
}
bytes.AppendCrc();
bytes.Insert(0, StartOfFrame);
_logger.LogTrace("Marshalled {message} into {bytes}. Transmitting...", message, bytes.ToHexString());
await _serialConnection.BaseStream.WriteAsync(bytes.ToArray(), 0, bytes.Count);
}
/// <summary>
/// Transmits the passed <paramref name="message"/> to the physical dongle.
/// </summary>
/// <param name="message">the message to be sent.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public Task TransmitMessage(HciMessage message)
{
if (!(message is ITransmittable))
{
throw new ArgumentException($"{message} not marked as {nameof(ITransmittable)}");
}
return(TransmitMessageInternalAsync(message));
}
private static async Task Test(HciMessage arg)
{
Console.WriteLine(arg);
//Console.WriteLine("got it!");
await Task.CompletedTask;
}
