Re: [Xenomai-help] CAN driver

[Wolfgang Grandegger <wg@domain.hid>]

roland Tollenaar wrote:
> Hi Jan, Wolfgang,
> 
>> Your devices have not yet show up on your system. I guess there is no
>> entry in /proc/rtcan/devices. Check your boot log.
> 
> There are no entries in /prc/rtcan/deices.
> 
> dmesg | grep "rtcan" or
> dmesg | grep "rtcan*"
> 
> yields nothing.

Can you post the compete dmesg output?

> I have checked the .config for the kernel build and CAN is statically
> built into it.
> 
> I would prefer to statically build these things into the kernel due to
> unwieldiness of my ditribution. If this is not possible I will make
> modules. But is this the cause of problem I am having?

The driver for the dongle will not start properly when statically linked 
into the kernel. There should be a log message, though.

> I have no device hooked to my system (PEAK dongle on its way) and the
> virtual driver and TX loopback ability  has been excluded from the
> kernel build. Is this possibly why i have no devices listed in
> proc/rtcan/devices?

Without device it will not register anyhow and see above.

Wolfgang.

> On 2/22/07, Wolfgang Grandegger <wg@domain.hid> wrote:
>> roland Tollenaar wrote:
>> > Hi Jan,
>> >
>> >>
>> >> rtcanX are networking devices, but only visible in the context of
>> >> RTDM/AF_CAN.
>> > What is this?
>> >
>> > To enable them, use rtcanconfig as explained in the README.
>> > Which README are you referring to? The only one I know of that says
>> > something about rtcanconfig is in /src/utils/can and it does not
>> > explain how to use ctrlmode and bittime. There is an example in it
>> >
>> > rtcanconfig rtcan0 --baudrate=125000 start.
>> >
>> > If I try
>> >
>> > rtcanconfig rtcan0 --baudrate=125000 start
>> >
>> > I get:
>> >
>> > "Can't get interface index for rtcan0, code=-19"
>> >
>> > Any idea what is wrong?
>>
>> Your devices have not yet show up on your system. I guess there is no
>> entry in /proc/rtcan/devices. Check your boot log.
>>
>> Wolfgang.
>>
>>
> 
>