Re: [Xenomai-help] CAN driver

[Jan Kiszka <jan.kiszka@domain.hid>]

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Wolfgang Grandegger wrote:
> Jan Kiszka wrote:
>> Roland Tollenaar wrote:
>>> Hi list,
>>>
>>> does anyone have, or can anyone direct met to a project or code-snippet
>>> that shows how the CAN driver in the xenomai patch is used in an
>>> application? If not that any documentation that gives and explains what
>>> calls it responds to.
>>
>> Check src/utils/can/ on some tools that can also serve as nice examples.
>> But maybe we should also add even simpler demo code to the examples
>> repository. Just takes someone to write them...
> 
> The utility programs rtcanconfig, rtcansend and rtcanrcv in
> src/utils/can already demonstrate most of RT-Socket-CAN's functionality
> including filter definition and error handling. I do not see a need for
> simpler examples.

Yeah, maybe already a link (README) from the examples repos would be
enough to point beginners to them. Or maybe we should ask some beginners
what they expect, what they didn't understand... (Roland?)

> I have attached a patch for a nice program to measure
> the round trip time of CAN messages. It contrast to the other CAN
> utility programs, it uses the POSIX-API and works as-is for Socket-CAN
> as well. Jan, any objections to include it? If yes, I'm going to provide
> a README.

On first glance, nope, looks nice and clean.

> 
> BTW: some time ago I provided a patch to make the CAN utility programs
> part of the Doxygen documentation. IIRC, we said it's nice to have
> hyperlinked examples in general.

Some link at hand? Does it still apply? Sounds like something worth to
apply.

Jan


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