An update on this:
ARLROB, myself, and two other colleagues were able to get this working, at least a proof-of-concept. We had previously had success passing array data via pointer between a LabVIEW Model and UDP Custom Device (that was mostly unmodified from the Open Source version on github).
This week, we were able to pass data (a single byte, read and write) from a Simulink model to an RTI DDS Custom Device that we have been working on. We will continue to work to scale it up.
Currently the pointer must be generated by the Custom Device, regardless of which direction the data is going into or out of the model. We are working on a concept to get the the Simulink model to generate the pointer and pass to the Custom Device.
