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From: "Max S." <max@schneidersoft.net>
To: "Michael Thénault" <michael.thenault@gmail.com>
Cc: Oliver Hartkopp <socketcan@hartkopp.net>, linux-can@vger.kernel.org
Subject: Re: write: No buffer space available
Date: Fri, 08 Mar 2013 10:39:34 +0000	[thread overview]
Message-ID: <1362739174.3296.2.camel@blackbox> (raw)
In-Reply-To: <CACekSAML-BgcW5CWNfns_V0HgqsEFEHXQ06AdLAMupDKefmnFQ@mail.gmail.com>

Hello,

On Fri, 2013-03-08 at 11:24 +0100, Michael Thénault wrote:
> Hello,
> 
> Indeed after connecting the arm board to a termination, I'm able to
> see traffic with the oscilloscope.
> I noticed that after sending only one frame with cansend, I see
> traffic all the time with the oscilloscope. I guess that the reason is
> the lack of ACK frames coming from other nodes, which causes re-sends.

Yes. If there is no other node to ack the frame, the can controller will
resend the frame continuously. unless, i think, if you set it up to use
oneshot mode.

M.S.


      reply	other threads:[~2013-03-08 10:44 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-07  9:55 write: No buffer space available Michael Thénault
2013-03-07 16:36 ` Oliver Hartkopp
2013-03-08 10:24   ` Michael Thénault
2013-03-08 10:39     ` Max S. [this message]

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