Re: [Gumstix-users] Sony Acx705akm LCD display

[Peter L. <pl...@gm...>]

Hi,

My LCD is now apparently working, after adjusting some mechanical
cabling problem and deasserting SHUTDOWN.  However, when I run:

ppmv_sony692 sony_penguin.ppm

I get three faint penguins somewhat overlapped and a flickering screen.
I'm sure the intent of the app was to display only one penguin, which
would probably get rid of the flickering and faintness.  The
documentation seems to indicate that this app is customized for the
acx705akm, so I don't know what tweaks are needed.  My understanding
of frame buffers and LCD parameters is minimal.

I have tried both the Samsung and ALPS mode drivers and the LCD
behaves the same way (as expected).  I think I will stick with the
Samsung mode as the ALPS mode doesn't seem to support
screen backlighting (by a quick look at the code).

I'm also looking for some app or configuration to use the acx705akm
as a simple ascii text display device.  Is setting it us as a virtual
terminal the best bet?

Thanks for help.


On 8/21/07, Craig Hughes <cr...@gu...> wrote:
>
> On Aug 21, 2007, at 1:45 PM, Peter Lu wrote:
>
> But I'm still using the "Samsung" FB driver, if there is such a mode,
> since the Linux .config doesn't allow me to turn it off.
>
>
> Hmm.  Well, try the "Chris Dollar ALPS" choice instead.  I'll see about
> allowing that setting to just be turned off (ie add a "none" option).
>
> C
>
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