BACnetSetCallback (FUN)¶

FUNCTION BACnetSetCallback : IEC_BACNET_STATUS

Sets or deletes the read and write callback.

Registers an application callbacks to be called when the API default actions processes an read or write access to some property. The callbacks are intended to update the value in the database when the value is accessed from the network or by internal processes in the API, thus providing the new value in the read callback or storing the value in the write callback. This routine can be called multiple times in order to reregister the callback procedure or even deregister it with a 0 pointer.

InOut:

Scope	Name	Type	Comment
Return	BACnetSetCallback	IEC_BACNET_STATUS	A status indicating whether the operation worked.
Input	eCallbackType	IEC_BACNET_CALLBACK_TYPE	The type of callback the user application want’s to register or unregister.
	pICallback	CmpEventMgr.ICmpEventCallback	The event-callback interface which is to be registered or unregistered.
	pIReleaseCallback	CmpEventMgr.ICmpEventCallback	Event-callback interface which notifies user application that it may release the buffer provided for the read callback value transfer. May be 0 if this service is not needed.