I have been successful implementing your RF12DEMO s/w. As a I like to work with string messages, I made some changes with your command syntax, That was all.
I was able to implement DIO and AIO access using your PORTS helper docs.
My test network consists of 2 nodes. So I can't comment of network speeds. I don't forsee any speed problems as the RF12B is not meant for fast airspeeds.
I'm what I consider a "C" programmer, so I had some fun trying to follow your support logic. But as luck would have it,I only had to stay within the RF12DEMO.PDE file.
I read your architure and I was in agreement with what your tgrying to do.
KEEP UP THE GOOD WORKS.
With best regards. Donald Moisey Canada