It wasn't that the functions were undefined, it was a problem finding the modules. It was throwing error messages that I am supposing traced back to the module files (I do not know the file structure in Bangle yet)
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.
From post #2
Could this be just a mis-understanding of how functions report to the IDE console?
http://www.espruino.com/FAQ
See 9th bullet