An Arduino CANFD library for Adafruit Feather M4 CAN #Arduino #canbus

The CANFD Library for Adafruit Feather M4 CAN handles Controller Area Network with Flexible Data (CANFD) for CAN0 and CAN1.

The board contains a CANFD transceiver for CAN1 and the CANH / CANL signals are exposed. For CAN0, TxCAN is D12 and RxCAN is D13.

The library is fully compatible with the MCP2517FD, MCP2518FD CAN Controllers ACAN2517FD library https://github.com/pierremolinaro/acan2517FD, it uses a very similar API and the same CANFDMessage class for handling messages.

The driver supports many bit rates, as standard 62.5 kbit/s, 125 kbit/s, 250 kbit/s, 500 kbit/s, and 1 Mbit/s. An efficient CAN bit timing calculator finds settings for them, but also for exotic bit rates as 833 kbit/s. If the wished bit rate cannot be achieved, the begin method does not configure the hardware and returns an error code.

See more including code and documentation in the GitHub repo.


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