Hi Misbah, I can share my experience on this matter, too, as I had your
same symptoms. Forgive me for top-posting.
My embedded system (arm-linux) includes a framebuffer driver which polls
over /dev/fb0 a certain amount of times per second (about 30), so the
time lag between a nano-x API call and the on-display effect is not a
driver's fault. I noticed such time lag (some hundreds of second,
partial refreshes, etc.) if the userspace process calls a nano-x API and
goes immediately to sleep. Otherwise, if the process, after the nano-x
API call has to handle a message, a signal, a serial input, etc. the
on-screen refresh is immediate and total. So I managed my process not to
go to sleep immediately and the problem was solved.
By the way, I use statically linked nano-x lib, with
LINK_APP_INTO_SERVER = Y into config file.
Hope this helps,
--
Carlo Zinato
Viscount International S.p.A.
R&D Labs, Ancona, Italy
Tel. & fax 0039 071 2905127/2905142
[EMAIL PROTECTED]
Misbahullah Khan ha scritto:
Hi Greg ..
There is a concern regarding microwindow for which we have already talked
and now i have come up with more details so that we could find a solution
to it.
Let me explain you the problem in detail :-
1. It happens to be sometimes (1 in 20-30 times) that whenever i try to
wtite a text to lcd display or fill a bar the text is written horizontaly
about some percentage (say 50 %) and then again writes the same text the
remaining percentage makeing the display as if one text is written twice
half and half one over the other .
Similarly when we are dispalying the a horizontal bar the bar gers
displayed two times one over the other horizontaly.
Just to mention that this happens rarely and not always.
Is there any thing we could see into the microwindow ???
Please do share your experience and knowledge regarding this concern .
Thanks & Regards,
Misbah
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