On Thu, Nov 17, 2011 at 05:14:33PM +0100, Oliver Hartkopp wrote:
> On 17.11.2011 12:24, Kurt Van Dijck wrote:
>
> > On Thu, Nov 17, 2011 at 07:49:43AM +0100, Heinz-Jürgen Oertel wrote:
> >>
> >> Danke Oliver,
> >>
> >> for now I decided to use something like
> >>
> >> system("echo \"i 0x4914 e\" > /dev/pcan0");
> >>
> >> Unfortunately at the moment I have no idea how to determine if I'm just
> >> talking to an Peak or an EMS interface to select the method of setting
> >> the bit rate.
> >
> > Maybe
> >
> > $ ip -d link show can0
> >
> > will show differently?
>
>
> No.
>
> The PEAK driver does not use the candev framework (drivers/net/can/dev.c).
> Therefore you won't see anything beyond up/down state and tx_queue_len, etc.
> Not bitrate settings :-(
My idea was to use this 'lack of information' to auto-decide if it's an EMS or
PEAK
interface. But Heinz-Jürgen already pointed out that using some /proc file, you
can also see if a device is a PEAK device.
Kurt
>
> Regards,
> Oliver
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