Date: Wed, 17 Mar 2010 23:05:41 +0200 From: Alex RAY <ray@ddteam.net> To: Oleksandr Tymoshenko <gonzo@bluezbox.com> Cc: hackers@freebsd.org Subject: Re: GPIO button and userspace Message-ID: <20100317230541.df7060f3.ray@ddteam.net> In-Reply-To: <A4CCE92C-CDDD-4EB8-B7B4-A920FFBF89AC@bluezbox.com> References: <c47304e21003171204j705da26av88afb5c57a3b7557@mail.gmail.com> <A4CCE92C-CDDD-4EB8-B7B4-A920FFBF89AC@bluezbox.com>
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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>
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