Regarding setting up the toolchain: There's a thread somewhere on these forums where it's described in some detail. I think it was last posted in around mid december, when I discovered that the old compiler I was using for bigram didn't work anymore.
If you're familiar with AWS, I've shared an AMI with tested compiler toolchain - ami-1ce28974 (if that happens to be more convenient than setting it up on your own linux box)
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.
Regarding setting up the toolchain: There's a thread somewhere on these forums where it's described in some detail. I think it was last posted in around mid december, when I discovered that the old compiler I was using for bigram didn't work anymore.
If you're familiar with AWS, I've shared an AMI with tested compiler toolchain - ami-1ce28974 (if that happens to be more convenient than setting it up on your own linux box)