Re: Parsing j1939 from raw candump

[Giox79 <giovanniparodi79@gmail.com>]

Hi Kurt, first thanks a lot

Kurt Van Dijck <kurt.van.dijck <at> eia.be> writes:

> 
> On Mon, Mar 25, 2013 at 09:02:43PM +0000, Giox79 wrote:
> > Is there anyone that can suggest me how to approach 
> > this topic? I tried using the j1939-71 standard, 
> > but as far as I understand, it explains differences between 
> > different packages, but I didn't find an 
> > explanation about header and trailer of J1939 packet.
> 
> j1939-21 & j1939-81
> are the ones used by the j1939 linux kernel.

Mumble, I was wrong.
So as far as I understand, I have to use J1939-71 only after decoding from raw 
to j1939 using the suggested docs.
I can use 71 to understand the payload of J1939 packets.
Am I right?

> 
> > Please note that I have the whole j1939 standard and that 
> > at present time I can't integrate the j1939 canutils in linux 
> > kernel because I should use for other kind of constraints 
> > a 2.6 linux kernel.
> 
> which specific 2.6 one did it start from (like 2.6.28 or 2.6.35 or ...)

The version is 2.6.35.3
> 
> > Any help, reference to specific sections of j1939 standard
> >  and so on will be appreciated.
> > Giovanni
> > 
> > --

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