[lcdproc] Problems with HD44780 driver

[Chris]

"McMeikan, Andrew" wrote:

> Hi Chris,
>         I am not sure if your problem has been sorted out yet, but either
> way I'd apreciate any feedback on the performance of my mods to the driver.
> MJV has tested under pre8 and got it going ok, so you can be the guinee pig
> for pre9 if you wish.  The code on my website does not have the patches yet
> for stopping those warnings when compiling but should still run ok.
>
>         cya,    Andrew...
> http://members.xoom.com/andrewmuck/LCD.htm
>

Hi,
your driver works very fast and is stable !
I can't compare the performance with a serial interfaced LCD, because I don't
have one. But I think the parallel port is much faster.
Unfurtunately I have problems with the contrast  of my LCD. When I turn on my
PC I can see a Curser blinking, with high contrast but after initializing the
LCDd, there is almost no contrast and you can hardly read the characters on
the LCD. The Vadj pin is directly connected to the GND on my parallel port. I
don't have any specification for the LCD, but I used it before without any
problems. It's a STN2420.
Maybe someone can help me with this.
Thanks
                              Chris



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