public static KNXmessage CreateResponse(FAHFunctionPropertyCommand MessageToRespondTo, FaHDevice atHomeDevice)
{
if (MessageToRespondTo.PropertyControl != FAHFunctionPropertyCommand.PropertyControlTypes.ReadDesc)
{
throw new InvalidCastException();
}
bool moreIndices = false;
int OIDindex = MessageToRespondTo.PropertyID;
byte[] bData;
byte indice = 0;
if (MessageToRespondTo.FieldID != null)
{
indice = (byte)(MessageToRespondTo.FieldID);
}
if (!atHomeDevice.ReadOIDData(MessageToRespondTo.ObjectID, MessageToRespondTo.PropertyID, indice, out bData, out moreIndices))
{
return(MessageToRespondTo.CreateInvalidIndexMessage());
}
//OidChannel 5 needs ShortPkg! (currently based on packet payload lenght)
KNXmessage kNXmessage;
if (bData.Length < 5)
{
kNXmessage = new KNXmessage(knxControlField.KnxPacketType.KNX_PacketShort);
}
else
{
kNXmessage = new KNXmessage(knxControlField.KnxPacketType.KNX_PacketLong);
}
kNXmessage.DestinationAddressType = KNXmessage.DestinationAddressFieldType.Individual;
const int HEADERSIZE = 5;
//Todo, check lenght?
uint payloadSize = (uint)(HEADERSIZE + bData.Length);
kNXmessage.Payload.NewPayload(KNXAdpu.ApduType.FunctionPropertyStateResponse, payloadSize);
kNXmessage.Payload.ReadablePayloadPacket = new FPSR_DeviceOIDData(kNXmessage.Payload);
FPSR_DeviceOIDData newPkg = (FPSR_DeviceOIDData)kNXmessage.Payload.ReadablePayloadPacket;
newPkg.UpdatePacketSettings();
newPkg.FPSRpayload = bData;
newPkg.PropertyID = MessageToRespondTo.PropertyID;
newPkg.ObjectID = MessageToRespondTo.ObjectID;
if (moreIndices)
{
newPkg.resultCode = KNXHelpers.knxPropertyReturnValues.MoreIndices;
}
else
{
newPkg.resultCode = KNXHelpers.knxPropertyReturnValues.Success;
}
return(kNXmessage);
}