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I think what you have there is dang ol' pointers.

http://arduino.cc/en/Reference/Pointer

I steer clear of them unless they are (as in this case) coded by someone else...though everyone seems...

I'm kinda sad don't know the tools you are talking about, but on the Teensy side you might want to check out a similar project to bypass some of that trial and terror. Also: perhaps peruse the...