public Task SendAsync(IKnxAddress receivingAddress, IKnxData data)
{
if (!IsConnected)
{
throw new NotConnectedException();
}
_sendMessages.Add(new TunnelRequestBuilder().Build(_communicationChannel, _sequenceCounter++, receivingAddress, data));
return(Task.CompletedTask);
}
public byte[] Build(byte communicationChannelId, byte sequenceCounter, IKnxAddress receivingAddress, IKnxData data)
{
var dataBytes = data.GetBytes();
var length = GetLength(dataBytes);
const byte headerLength = 0x06;
const byte protocolVersion = 0x10;
byte[] serviceTypeTunnelingRequest = { 0x04, 0x20 };
var sendingBytes = new List <byte> {
headerLength, protocolVersion
};
sendingBytes.AddRange(serviceTypeTunnelingRequest);
const byte bodyStructureLength = 0x04;
sendingBytes.Add(bodyStructureLength);
sendingBytes.Add(communicationChannelId);
sendingBytes.Add(sequenceCounter);
sendingBytes.Add(0x00);
sendingBytes.Add(0x11);
sendingBytes.Add(0x00);
sendingBytes.Add(0xAC);
sendingBytes.Add(receivingAddress is MultiCastAddress ? (byte)0xF0 : (byte)0x50);
sendingBytes.Add(0x00);
sendingBytes.Add(0x00);
sendingBytes.AddRange(receivingAddress.GetBytes());
sendingBytes.Add((byte)length);
sendingBytes.Add(0x00);
sendingBytes.Add(0x80);
AddSendingData(sendingBytes, dataBytes);
sendingBytes.InsertRange(4, BitConverter.GetBytes((ushort)(sendingBytes.Count + 2)).Reverse());
return(sendingBytes.ToArray());
}