BBB CAN Baud Rate

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1

I have the Beaglebone Black tested and working on a CAN bus at 33.766k. At the moment, I do not have a way to test different baud rates. What other data rates would be acceptable for the Beaglebone Black? Can the BBB communicate CAN at 100Mb/s or faster?

Thanks

2

I believe the CAN bus on the beaglebone is hardware limited to 1Mbit. Running CAN faster than that is pretty unusual.

3

CAN is fast, but not that fast. The maximum bit speed is 1 Mbit/s with the current standard ISO11898. The next generation, called CAN FD is expected to work up to 8 Mbit/s. In industrial applications a set of bit rates is defined e.g. for CANopen by the CAN in Automation (CiA). These bit rates are supported by Linux drivers like can4linux or SocketCAN.

4

What drivers/libraries have you used to get CAN working on the BeagleBone?

Thanks, Brian