This code is meant to allow button, jog, and shuttle events from a Contour ShuttleXpress controller to flow to the Serial Port JSON server typically used with ChiliPeppr driven CNC machines. It was originally developed to run on a RaspberryPi but could probably run on any linux box. Recently it was adapted to send RESTful commands to bCNC as well (this still needs more testing - please report back if it works for you). Edit the shuttlecp.c file to turn on bCNC support.
Interface to Shuttle Contour Xpress based on "Contour ShuttlePro v2 interface" by Eric Messick.
See README file. See README_pinout.txt for hardware hookup information.
This has only really been tested with GRBL and with a machine running in metric units. If you set your machine to inches, my guess is that it will move much further than you intend it to. If you are testing this utility out with your machine for the first time, make sure you are near an E-stop for your machine so you don't run into issues with it banging past its hard limits!
To get a rough idea of what this does, see the following video: https://www.youtube.com/watch?v=7LP4he22kKk