Problem to use CAN on BBB A5A

I solved a part of this problem with loading the correct firmware for my CAN cape with this :
echo BB-BONE-SERL-01 > /sys/devices/bone_capemgr.9/slots

bone_capemgr.9 have not always the same name (example bone_capemgr.7, …)

The other problem is that is not possible to activate the second can channel because it’s in conflict with I2C pin !

Any Idea !


Hi requinham,

I am working on a BB rev A6, and a CAN Bus CAPE Rev A2.
How did you load the correct firmware ?

I used your command (echo BB-BONE-SERL-01 > /sys/devices/bone_capemgr.7/slots )
but I don’t get anything in slots.

best regards

Can you give me the return of this two command :

ls /lib/modules/firmware
ls /sys/devices/


Sometimes it’s set to bone_capemgr.6

Try this instead:
echo BB-BONE-SERL-01 > /sys/devices/bone_capemgr.*/slots

To check that you did this succesfully, type:
cat /sys/devices/bone_capemgr.*/slots

You should see your Cape on the display