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From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: David Wiebe <dwiebe2@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-help] Xenomai beagleboard xm ethernet  working!
Date: Tue, 21 Jun 2011 12:37:28 +0200	[thread overview]
Message-ID: <4E007468.3040905@domain.hid> (raw)
In-Reply-To: <4E005881.7090407@domain.hid>

On 06/21/2011 10:38 AM, David Wiebe wrote:
> Hello,
> 
> In menuconfig, unselect realtime clock. lol! Boots fine, ethernet 
> support works! I also patched the kernel to support spi which works in 
> userland.
> 
> Now to make it all work as a rtos. If anyone has suggestions or 
> whatever, I need to work on a spi to ethernet bridge. I need to read 
> 360bytes every 1mS and send it out over ethernet. I've done this with a 
> non-rtos and achieved 360byte read and send every ~740uS. The problem 
> was sometimes it would vary between  700 and 900uS etc. I need this to 
> be isochronous and 1mS will work fine.
> 
> There you have it!
> Cheers!

If you want deterministic access to ethernet, you will need RTnet.
http://rtnet.org/

-- 
                                                                Gilles.


  reply	other threads:[~2011-06-21 10:37 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-16  9:18 [Xenomai-help] Xenomai on i7-870 Jakub Nowacki
2011-06-16 10:37 ` Gilles Chanteperdrix
2011-06-17 14:05   ` Jakub Nowacki
2011-06-17 19:00     ` Gilles Chanteperdrix
2011-06-17 19:44       ` Gilles Chanteperdrix
2011-06-17 19:52         ` Jakub Nowacki
2011-06-18 15:17           ` Gilles Chanteperdrix
2011-06-20 14:34             ` Jakub Nowacki
2011-06-20 15:02               ` Gilles Chanteperdrix
2011-06-20 15:25                 ` Jakub Nowacki
2011-06-20 16:16                   ` Philippe Gerum
2011-06-20 17:34                     ` Gilles Chanteperdrix
2011-06-20 21:30                       ` Jakub Nowacki
2011-06-20 22:54                         ` [Xenomai-help] Xenomai beagleboard xm ethernet not working David Wiebe
2011-06-21  6:54                           ` Gilles Chanteperdrix
2011-06-21  8:18                             ` David Wiebe
2011-06-21  8:38                               ` [Xenomai-help] Xenomai beagleboard xm ethernet working! David Wiebe
2011-06-21 10:37                                 ` Gilles Chanteperdrix [this message]
2011-06-20 17:43                   ` [Xenomai-help] Xenomai on i7-870 Gilles Chanteperdrix
2011-06-17 19:48       ` Jakub Nowacki

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