Kvaser USB CAN II support in Linux Kernel

[Olivier Sobrie]

Hi Jeremy,

Hello gentlemen,
=20
I've been working on a project recently with an embedded linux device=

that

needs to interface with a J1939/N2K bus. =A0For initial bring-up, I'm=

using a

Kvaser USB CAN II device. =A0I recently found this thread (http://
comments.gmane.org/gmane.network.socketcan.user/1445) that was very h=

elpful to

get the kernel to recognize the device and properly create the can0/1=

devices.

=A0Where can I join the discussion/mailing list as it seems to have b=

een shutdown

or moved recently? =A0I also may be able to help contribute to the di=

scussion and

/or help with additional work on this driver as I have a vested inter=

est in

getting this all running.

The linux-can mailing list (linux-***@vger.kernel.org) is the right pla=
ce
to discuss such things.

Concerning the support for your device, as Pierre stated in the thread,
there are two families of Kvaser devices: "leaf" and "usbII".
Currently only the "leaf" family is supported by the driver in the kern=
el.
Pierre did a copy of kvaser_usb.c and adapted it to make it work with w=
ork
_only_ "usbII" devices. He sent the adapted driver as an attachment
(kvaser_usb2.c).

If you compare the two drivers (kvaser_usb2.c and kvaser_usb.c), you wi=
ll
see that there are not a lot of differences between the two. I think
the best would be to adapt kvaser_usb.c to support both "leaf" and "usb=
II"
devices.
I've one such device at home but I have not had the time yet to have a =
look
at this... So if you want to adapt the driver, you're welcome :-)

Kind regards,

--=20
Olivier
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