How to configure and use CAN bus
Build the SDK with socketcan and ip tools
Working with the CAN buys requires enabling the 'ip' tools from iputils2 package (the 'ip' tool from busybox won't work). The socketcan package is optional and provide you with tools to debug your can bus.
Enable the kernel driver
In the case of the Category:AM35x platform the configuration is:
Linux Kernel Configuration Networking support CAN bus subsystem support CAN device drivers Platform CAN drivers with Netlink support CAN bit-timing calculation TI High End CAN controller (HECC)
Setup the networking rules
Edit your /etc/networking/interfaces on the target filesystem and add the following rules (required to setup the bit-rate of the bus: