public KNXmessage(knxControlField.KnxPacketType PacketType)
{
ControlField = new knxControlField(PacketType, false, knxControlField.KnxPriority.KNX_PRIORITY_NORMAL);
Payload = new KNXPayload(this, 2);
Timestamp = DateTime.Now;
}
public void ProcessKNXMessage(byte[] stagedPacket)
{
try
{
int dataIndex = 0;
//Control Field
ControlField = new knxControlField(stagedPacket[dataIndex++]);
switch (ControlField.PacketType)
{
case knxControlField.KnxPacketType.KNX_PacketLong:
//Extended Control Field, only for long packet
ExtendedControlField = new KnxExtendedControlField(stagedPacket[dataIndex++]);
break;
case knxControlField.KnxPacketType.KNX_PacketShort:
break;
default:
throw new InvalidDataException();
}
//Source address field
SourceAddress = KNXAddress.FromReversedBytes(stagedPacket[dataIndex++], stagedPacket[dataIndex++]);
//Target address field
TargetAddress = KNXAddress.FromReversedBytes(stagedPacket[dataIndex++], stagedPacket[dataIndex++]);
switch (ControlField.PacketType)
{
case knxControlField.KnxPacketType.KNX_PacketLong:
//Payload Lenght, for long Packet
LongPacketDatalenght = (stagedPacket[dataIndex++]);
//Payload
Payload = new KNXPayload(stagedPacket, dataIndex++, this);
break;
case knxControlField.KnxPacketType.KNX_PacketShort:
//DafSuLen for short Packet
dafLSDU = new KNXDafLSDU(stagedPacket[dataIndex++]);
//Payload
Payload = new KNXPayload(stagedPacket, dataIndex++, this);
//Page https://support.knx.org/hc/en-us/articles/115003188529-Payload not totally clear on how this is formatted
//This implementation seems to work for F@H
/*if (PayloadLenght == 0)
* Console.WriteLine("No payload\\Apci");
* else if (PayloadLenght == 1)
* {
* Console.WriteLine("Short payload with Apci");
* Apci = new KNXApci(stagedPacket[dataIndex], stagedPacket[dataIndex++]);
* }
* else
* {
* Console.WriteLine("Long payload with Apci");
* Apci = new KNXApci(stagedPacket[dataIndex++], stagedPacket[dataIndex++]);
* }*/
break;
default:
throw new InvalidDataException();
}
}
catch (Exception e)
{
throw new Exception("Unable to process bytedata to KNXMessage", e);
}
}