I Don't know CAN Debug Test

[cooth1147]

I’m trying to implement CAN communication using the Orin Nano Board.

i tried To perform a loopback test

However, I skipped step 1 and went straight to step 2.

Nevertheless, the loopback still works.

I’m curious to know why this is happening.

[KevinFFF]

Hi cooth1147,

Are you using the devkit or custom board for Orin Nano?
What’s the Jetpack version in use?

@cooth1147

Nevertheless, the loopback still works.

Yes, it is expected since loopback on is actually internal loopback so that you don’t need to connect them externally.

[cooth1147]

If I solder the ‘Optional CAN Header’, physically connect the CAN RX and CAN TX pins, then run the command ip link set can0 type can bitrate 500000 and use candump and cansend , this would create a physical loopback, right?

[KevinFFF]

For the physical loopback, you would need CAN transceiver.
You can refer to the following thread for our verification about this use case.
Jetson AGX Xavier Developer Kit CAN commmunication error - #8 by KevinFFF

[cooth1147]

Thank you for your help

your solution is working

i use a usb-can and can transiver