Controls Debugging Guide
Questions to consider if testing is not working:
Was the code saved and then was
make run? Is the branch you're on the correct one?
Solution: switch to branch you were working on.
If using a different board, is BPS power plugged in?
Solution: BPS (supplemental) power is located near the GPIO inputs for the rotary switch (7x2) where it's labeled BPS Pwr.
LOOPBACK
If running on LOOPBACK, are the messages being acknowledged?
Solution: use CANadapter
If running on LOOPBACK, did you run make clean and then make again?