I'm not able to get
https://docs.m5stack.com/en/atom/Atomic CAN Base
to work with the AtomS3, immediately TWAI_ALERT_ERR_PASS, TWAI_ALERT_BUS_ERROR
https://docs.m5stack.com/en/unit/can
works, though.
What CAN library did you use? With what pin definitions?
Thanks in advance!