From owner-freebsd-hackers@FreeBSD.ORG  Wed Mar 17 21:07:05 2010
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Date: Wed, 17 Mar 2010 23:05:41 +0200
From: Alex RAY <ray@ddteam.net>
To: Oleksandr Tymoshenko <gonzo@bluezbox.com>
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Cc: hackers@freebsd.org
Subject: Re: GPIO button and userspace
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On Wed, 17 Mar 2010 12:14:49 -0700
Oleksandr Tymoshenko <gonzo@bluezbox.com> wrote:

> 
> On 2010-03-17, at 12:04 PM, Alex RAY wrote:
> 
> > Hackers
> > help find the correct answer, in what way I can send interrupt on GPIO to
> > the userspace script.
> > I know that I can make the device, and open it in program, but it is
> > cumbersome.
> > I know what I can run the script from the kernel, as in Linux, but I think
> > this is not the right way?
> 
>     IMHO the best way to implement it is to run scripts through devd. e.g. create
> use subsystem "GPIO" and few event types: "BUTTON_DOWN", "BUTTON_UP",
> /add yours here/. From the kernel side it's just a matter of calling devctl_notify if I got it right.
> 
> -- 
> gonzo
> 
> 
> 

Sorry, I forgot to clarify that no devd here and no free space for it :)
Embedded, Flash 4M for all. 

-- 
Alex RAY <ray@ddteam.net>