Lei Luo wrote:
>
> And is can-isotp used to communicate between two nodes by their address?
Yes. It's an point-to-point unreliable datagram protocol implementation for
the ISO 15765-2 transport protocol. This is e.g. used for diagnostics (UDS).
> What is the function of can-bcm?
The BCM implements CAN content filtering (e.g. when data changes in the CAN
frame). It's used in environments where cyclic CAN traffic is common - e.g. in
automotive environments.
> I add two vcan nodes, ifconfig them up, then run the demos in can-test
> and can-uitl , but can receive nothing.
When you have vcan0 and vcan1 up and running, you can open two terminals and
invoke
cangen vcan0
in the first terminal and
candump vcan0
in the second terminal.
You should see some CAN traffic then.
Regards,
Oliver
ps. can.ko and can-raw.ko need to be loaded also.
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