http://www.fourwalledcubicle.com/LUFA.php
	programmer for TPI is included in the package, boards available online

To Do:

- figure out the nConfig / nCONFIG wiring by inspecting my real Pluto-P
- figure out if all the unconnected pins on the FPGA match the Pluto-P

- verify pin configuration seems to match the data in:
  ~/src/emc2-dev/src/hal/drivers/pluto_servo_firmware/pluto_servo.pin