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[Lcdproc] hd44780 weird display/driver problem


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  • From: mailinglists_oli AT sb-software.de (Marc-Oliver Straub)
  • Subject: [Lcdproc] hd44780 weird display/driver problem
  • Date: Thu Oct 3 09:54:01 2002

Am Donnerstag, 03.10.02, um 09:30 Uhr (Europe/Berlin) schrieb Joris=20
Robijn:

> On 2 Oct 2002 at 10:43, Joris Robijn wrote:
>
>>>> line, and some of the second line characters intertwined on line
>>>> 1.=A0 Nothing ever shows up on line 2. =A0 Note that as soon as I
>>>> close the winamp mode, if I run it again it displays nothing, and
>>>> I have to start over in 8bit mode.=A0=A0=A0 Uuuggh!=A0=A0 Can =
anyone help
>>>> me?=A0 Is it possible that any hd44780 uses different protocols or
>>>> wiring?
>>>
>>> Some time ago, I had the same problems with my display. It had to do
>>> with timing problems (a bug) in the winamp driver. Some
>>> multiplications with the multDelay variable had been missing in the
>>> initialization section... I posted my changes to the list some time
>>> ago...
>
> I have investigated this. It seems that you are not right here.
> Indeed, there are NO multiplifications in the CALLS to the sleep
> function, but in the sleep function itself the delayMult IS
> applied. So if you add multiplifications, you effectively
> multiply it twice by delayMult.

Sorry, but Nick said he's using version 0.4.3 which was the one I found=20=

the bugs in (I just re-downloaded v0.4.3 and found them in the source).=20=

But you're right, in the CVS version it seems to be fixed.

Bye, Oli=





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