lkml.org 
[lkml]   [2013]   [Dec]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] Add the LED burst trigger
Hi!

> > And while " " for pause and "#" for light would work. Maybe we chould
> > do "\0" for pause and "\177" for light... and interpret everything
> > between as an intensity. That will make it useful for LEDs with
> > variable intensites, too...
>
> "\0" is not easy to give if application is a script.
> intensity is a good idea, but makes it more complex, and user need to convert the "\num" to a ASCII code.
>


OTOH it is easier for C programs _and_ we can support different
brightness levels.

It is not that bad from script:

echo -ne '\0\051\0377' > foo...

Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html


\
 
 \ /
  Last update: 2013-12-28 21:01    [W:0.575 / U:0.448 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site