[Lcdproc] Newbie Questions

[Peter Marschall]

Hi,

On Wednesday, 15. August 2007 22:03, Jim Dearden wrote:
> I have a couple of questions regarding my lcdproc setup. I'm using a
> Matrix Orbital X-Board, (http://www.matrixorbital.ca/products/xboard/) a
> serial to HD44780 converter. This is hooked up to a 4x20 HD44780 display.
>
> Under Windows, using LCD Smartie, the board works fine. I'm having
> problems with it under Ubuntu Fiesty Fawn, on the same system. The
> symptoms are a lot of flickering on the display, with LCDd running, even
> before lcdproc is started. It appears that the cursor homing is not
> working quite right, sometimes the first line is mirrored on the second
> line.
>
> In looking around the net, it seems that the heartbeat might be a
> problem, but I can't find any option in the config files to turn it off
> to check this. As well, a parallel port  HD44780 works just fine on the
> system.
>
> Can anyone point me to some things to check?

If heartbeat is the culprit, then - depending on the LCDproc version used - 
setting Heartbeat=off in LCD.conf may help.
It is in current CVS, but not yet in 0.5.2 or earlier versions.

It might as well be that there are subtle differences in the command
set that make this type of converter differ from the others.

Unfortunately MO has such an awful lot of display types/series with
sometimes slightly differing command sets (and even with differing
command sets between different revisions in a series).
This makes finding the correct commands for all situations a real chore.

It might be worth trying the current CVS version.
It contains fixes to the MtxOrb driver for some display types.


Hope it helps
Peter


-- 
Peter Marschall
peter@adpm.de