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Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@Gordon
Yes, I'd just add what you have for now, a utility function. I replied to you earlier on this thread as well with some ideas.
I actually added something useful to the AES branch called
JSV_GET_AS_CHAR_ARRAY- it returns achar*, either by referencing a flat array (if possible) or by allocating on the stack and copying across.I'll merge in today, but that should really help to simplify your code.