You're welcome to port Espruino over... However porting to a different manufacturer's CPU will prove difficult as all the peripherals will be different.
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.
You're welcome to port Espruino over... However porting to a different manufacturer's CPU will prove difficult as all the peripherals will be different.