Re: [rtl] rt display in usec

[berger patrick <patrick@zepelin.ensam.inra.fr>]

kissg@sztaki.hu wrote:

> > I'd like to display a picture for 40 usec exactly (this value can be changed)
> > with gtk or qt  (i may use X for use matrox dual head)
> > is it possible with rtlinux?
>
> Your CRT display displays a frame for at least 10 ms.
> (Assuming 100 frame/sec, non-interlaced.)
> There is no way to change the picture durint this interval.
> The electron beam won't run back in the middle of the screen
> if you change the video RAM after 40 usec.
>
> BTW. What is this? Some subliminal advertisement? ;-)
>
> Gabor

sorry :))) i'd say 40 ms and it's for a priming manip