Goldbach
Wed May 14 22:29:00 PDT 2008
This image's display driver is IEGD driver, so I don't have source code.
I want to use the flat flame buffer to modify screen color, is it possible?
--
Regards,
Goldbach
"Dean Ramsier" wrote:
> The other option is that the display controller is being reset after the
> jump out of the bootloader. Until the driver loads, you're back to whatever
> happens when the display controller/backlight (if present) does when it
> isn't running. Or the frame buffer gets moved or ...
>
> --
> Dean Ramsier - eMVP
> BSQUARE Corporation
>
>
> "Bruce Eitman [eMVP]" <bruce.eitman.nospam@EuroTech.com.nospam> wrote in
> message news:O8avCEgtIHA.6096@TK2MSFTNGP06.phx.gbl...
> > The display driver can be changed to not do that, at least mine can be
> > changed to not do that anyway.
> >
> > --
> > Bruce Eitman (eMVP)
> > Senior Engineer
> > Bruce.Eitman AT EuroTech DOT com
> >
> > EuroTech Inc.
> > www.EuroTech.com
> >
> > "Paul G. Tobey [eMVP]" <p space tobey no spam AT no instrument no spam DOT
> > com> wrote in message news:ud0o57ftIHA.552@TK2MSFTNGP06.phx.gbl...
> >> This sounds like the display driver itself is initializing the display
> >> background color to black (which is normal, I would think; mine does
> >> that). You can set what it does; it's your driver; presumably you have
> >> the source.
> >>
> >> Paul T.
> >>
> >> "Goldbach" <Goldbach@discussions.microsoft.com> wrote in message
> >> news:7F39DD00-D232-4A4B-9BDC-4C347A0975A8@microsoft.com...
> >>> Thanks for your help, but I didn't describe my question very precisely.
> >>> After image extracted to ram and jumped into ram to run other step, the
> >>> screen become black before desktop appear.
> >>> I wanna change the black screen to another color.
> >>> BTW, my platform is X86.
> >>> I don't know how to modify the screen color and where to modify it.
> >>> --
> >>> Regards,
> >>> Goldbach
> >>>
> >>>
> >>> "Bruce Eitman [eMVP]" wrote:
> >>>
> >>>> I agree with Michael, but I will point you in the right direction.
> >>>>
> >>>> 1. You have some code in your BSP that is the bootloader. If not, you
> >>>> are
> >>>> stuck.
> >>>> 2. Find a place in that code that you want to set the display color,
> >>>> and
> >>>> turn the backlight on.
> >>>> 3. Add code to initialize your display controller. The display driver
> >>>> has
> >>>> sample code that you can work with, if you have source.
> >>>> 4. Set the display buffer to the color that you want. The display
> >>>> buffer,
> >>>> or framebugger, is just a big region of RAM.
> >>>> 5. Turn on the backlight.
> >>>>
> >>>> --
> >>>> Bruce Eitman (eMVP)
> >>>> Senior Engineer
> >>>> Bruce.Eitman AT EuroTech DOT com
> >>>>
> >>>> EuroTech Inc.
> >>>> www.EuroTech.com
> >>>>
> >>>> "Goldbach" <Goldbach@discussions.microsoft.com> wrote in message
> >>>> news:CABF0AC1-3839-45A4-B274-2ED0B88A90DA@microsoft.com...
> >>>> > Thanks for your answer~
> >>>> > I need more detail information since I'm a beginner.
> >>>> > I don't know which code I need to modify?
> >>>> > How can I fill the framebuffer?
> >>>> > Is there any document about that?
> >>>> > --
> >>>> > Regards,
> >>>> > Goldbach
> >>>> >
> >>>> >
> >>>> > "Michel Verhagen (eMVP)" wrote:
> >>>> >
> >>>> >> Yes, initialize the display in your bootloader and fill the
> >>>> >> framebuffer
> >>>> >> with the correct data for the color.
> >>>> >>
> >>>> >> Good luck,
> >>>> >>
> >>>> >> Michel Verhagen, eMVP
> >>>> >> Check out my blog:
http://GuruCE.com/blog
> >>>> >>
> >>>> >> GuruCE Ltd.
> >>>> >> Microsoft Embedded Partner
> >>>> >>
http://GuruCE.com
> >>>> >> Consultancy, training and development services.
> >>>> >>
> >>>> >> Goldbach wrote:
> >>>> >> > My platform is Windows CE 6.0.
> >>>> >> > I want to change the screen color during Windows CE boot, the
> >>>> >> > default
> >>>> >> > color
> >>>> >> > is black.
> >>>> >> > Is it possible to do that?
> >>>> >> >
> >>>> >>
> >>>>
> >>>>
> >>>>
> >>
> >>
> >
> >
>
>
>