public static KNXmessage CreateResponse(FAHFunctionPropertyCommand MessageToRespondTo, FaHDevice atHomeDevice)
{
if (MessageToRespondTo.PropertyControl != FAHFunctionPropertyCommand.PropertyControlTypes.ReadConns)
{
throw new InvalidCastException();
}
int ChannelIndex = MessageToRespondTo.ObjectID;
int propIndex = MessageToRespondTo.PropertyID;
byte requestedIndice;
byte propertyInfo;
bool moreIndices;
KNXAddress[] GroupValueAddress;
//byte[] additionalData = null;
uint payloadSize = (uint)(FPSRHEADERSIZE + 2);
if (MessageToRespondTo.FPCpayload == null)
{
requestedIndice = 0;
//There is no field requested; default to 0
}
else
{
requestedIndice = MessageToRespondTo.FPCpayload[0];
}
if (!atHomeDevice.ReadConnectionValue(ChannelIndex, propIndex, requestedIndice, out propertyInfo, out GroupValueAddress, out moreIndices))
{
return(MessageToRespondTo.CreateCommandNotSupportedMessage());
}
KNXmessage kNXmessage = new KNXmessage(knxControlField.KnxPacketType.KNX_PacketShort)
{
DestinationAddressType = KNXmessage.DestinationAddressFieldType.Individual
};
if (GroupValueAddress != null)
{
payloadSize += (uint)GroupValueAddress.Length * 2; //Address is not empty, add space to store it.
/*if (additionalData != null)
* {
* payloadSize += (uint)additionalData.Length;
* }*/
}
kNXmessage.Payload.NewPayload(KNXAdpu.ApduType.FunctionPropertyStateResponse, payloadSize);
kNXmessage.Payload.ReadablePayloadPacket = new FPSR_ConnectionInfo(kNXmessage.Payload);
FPSR_ConnectionInfo newPkg = (FPSR_ConnectionInfo)kNXmessage.Payload.ReadablePayloadPacket;
newPkg.UpdatePacketSettings();
newPkg.ConnectionID = requestedIndice;
newPkg.ConnectionSubIndexID = propertyInfo;
if (GroupValueAddress != null)
{
newPkg.GroupValueAddress = GroupValueAddress;
/*if(additionalData!=null)
* {
*
* }*/
}
newPkg.PropertyID = MessageToRespondTo.PropertyID;
newPkg.ObjectID = MessageToRespondTo.ObjectID;
if (moreIndices && requestedIndice != 0) //for 0 (no params) there are no more indices to report
{
newPkg.resultCode = KNXHelpers.knxPropertyReturnValues.MoreIndices;
}
else
{
newPkg.resultCode = KNXHelpers.knxPropertyReturnValues.Success;
}
return(kNXmessage);
}