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[lcdproc] display update speed


Chronological Thread 
  • From: Andreas.Graef AT gmx.de (Andreas Graef)
  • Subject: [lcdproc] display update speed
  • Date: Thu, 28 Oct 1999 08:38:21 +0200

"McMeikan, Andrew" wrote:
>
> How many people use the hd44780 driver and how many find it slow or too=

> slow?
Yes, it is *much to slow* :-\
every single screen-refresh needs up to a few seconds - you can look at
it
drawingf line by line on the screen.

> Has anyone ever looked at optimising it for display speed? ie. only up=
date
> those bits on screen that have changed?
As someone else here has said (Rocco Valotta
<rvalotta AT home.com>)
there
is the
possibility to optimize the "sleep"-loop.
(everything for the native 44780 through LP-Port).



MfG.
Andreas Gr=E4f

**********************************************************************
* Andreas Graef - OCE Printing Systems GmbH *
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