From: Oliver Hartkopp <socketcan@hartkopp.net>
To: Marc Kleine-Budde <mkl@pengutronix.de>,
"linux-can@vger.kernel.org" <linux-can@vger.kernel.org>
Subject: Re: j1939 - first steps
Date: Thu, 21 Mar 2013 07:50:42 +0100 [thread overview]
Message-ID: <514AADC2.3030504@hartkopp.net> (raw)
In-Reply-To: <20130321055313.GA1419@vandijck-laurijssen.be>
On 21.03.2013 06:53, Kurt Van Dijck wrote:
> On Wed, Mar 20, 2013 at 09:44:18PM +0100, Marc Kleine-Budde wrote:
>> What do you use to parse these numbers?
> strtoul(str, &endp, 16);
> ^^^^
>
> The use is very similar to cansend, I believe, where a can_id of exactly 8 hex chars long
> means 29bit, and shorter means 11bit.
> Implicitely, everything is told to be in hex, without 0x.
>
> And because this was not clear, Oliver got himself a 64bit nodename as strlen(0x22) > 2 :-)
Yes that was my trap. I've seen the strlen but it didn't help me %-)
>>>>> The format is: 'IFACE:<NAME>[,<ADDR>]'
> And my first attempt to help him, out of the head, was a 'legacy thought', not good either.
> always check the code :-)
Regards,
Oliver
prev parent reply other threads:[~2013-03-21 6:50 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-18 20:13 j1939 - first steps Oliver Hartkopp
2013-03-18 21:41 ` Kurt Van Dijck
2013-03-19 6:52 ` Oliver Hartkopp
2013-03-20 9:07 ` Kurt Van Dijck
2013-03-20 19:24 ` Kurt Van Dijck
2013-03-20 20:44 ` Marc Kleine-Budde
2013-03-21 5:53 ` Kurt Van Dijck
2013-03-21 6:50 ` Oliver Hartkopp [this message]
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