2009/1/24 Duncan Webb <dun...@freevo.org>
> Pirlouwi wrote:
> > Hello all,
> > long time ago that I read this list, good news... it means that my
> > freevo 1.7.3 is so rock solid, that I did'nt need support ;-)
> >
> > Ok. Here is my problem:
> > i would like, when Freevo updates the LCD screen, that the backlight
> > lights up for a specified number of seconds (let us set it to 10
> > seconds), and then switches the backlight down back.
> >
> > It is very annoying to have this flashy backlight leds always on.
> > Here is a link to the cw12832 documentation
> > <http://www.cwlinux.com/images/Manual/CW12832/cw12832-manual.pdf>.
> >
> > If someone could give me some help to modify the Freevo LCD module, to
> > support that feature, should be great!
>
> You have sort of lost me with the question. If I understand you the
> problem is the the backlight has always illuminates when commands are
> sent to the LCD.
>
> The problem here is that Freevo does not control LCD displays directly
> but through the LCDproc daemon. You can try adding -backlight off to the
> commands that set the heartbeat. If this fails maybe you should ask this
> question on the LCDproc lists.
>
> Duncan
I understand your reply, but I don't know how LCDproc could compute how much
time has elapsed during the last LCDproc command.
What should be great is that the backlight is ON during 10 seconds after a
remotecontrol action for example, and then backlight could go back OFF. It
is more a task for the LCDproc client to handle such timeout for the
backlight.
In the cw12832 manual, I see:
- Backlight On (254 66 253): This command turns on the LED backlight of
the LCD with maximum brightness. Default is ON.
- Backlight Off (254 70 253): This command turns off the LED backlight of
the LCD. Default is OFF.
I don't know if it should be possible to send such command from within
Freevo.
What is your advice?
Louis.
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