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[ts-7000] Re: FrameBuffer

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Subject: [ts-7000] Re: FrameBuffer
From: "bibhu" <>
Date: Tue, 16 Oct 2007 07:05:04 -0000
Hi Peter,

I converted a bmp to the specific format using MakeImg and did a 
cat image > /dev/fb/0
I got some kind of an image on my monitor but its hardly 
distinguishable. Lots of lines and weird colors.

Any idea what I should try/check? 

Thanks,

Bibhu

--- In  "bibhu" <> wrote:
>
> Thanks Peter.
> I really appreciate your help.
> 
> Regards,
> 
> Bibhu
> --- In  "PeterElliot" <egroups@> wrote:
> >
> > Hi Bibhu,
> > 
> > The frame buffer is 555, but there is a padding bit (which can be 
> > used as a transparant flag for blitting) at the 6th bit. In my 
make 
> > images.c file I encode 8-bit values for RGB into the 16-bit word 
> via:
> > 
> > pixel=((r & 0xF8)<<8)+((g & 0xF8)<<3)+((b & 0xF8)>>3);
> > 
> > This the format is RRRRRGGGGGTBBBBB where T is not displayed but 
> can 
> > be used to signify a transparent pixel when using some blitting 
> > operations.
> > 
> > Hope this helps,
> > 
> > PJE
> > 
> > --- In  "bibhu" <bibhu_420@> wrote:
> > >
> > > 
> > > Hello,
> > > 
> > > TS-7300 has a framebuffer driver for video interface. The 
driver 
> > enables
> > > video interaction from user space using the entries at /dev/fb.
> > > 
> > > What format can the framebuffer driver handle ?
> > > RGB 555,565,888 or is there anything else?
> > > 
> > > Thanks,
> > > 
> > > Bibhu
> > >
> >
>




 
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