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Re: [AVR-Chat] Help debugging LCD display issues

2005-11-26 by James Washer

Problem solved.. as usual, I changed more than one thing at a time... but problem may have been related to my having left D[0,3] floating.. Go figure

Thanks for everyone's help.

 - jim

On Fri, 25 Nov 2005 20:52:52 -0600
David Kelly <dkelly@hiwaay.net> wrote:

> 
> On Nov 25, 2005, at 3:50 PM, James Washer wrote:
> 
> > I'm using an Optrex DMC16207 (HD44780) LCD display with a Mega32  
> > and Peter Fleury's LCD library.
> >
> > Using the include test file, upon power-up, the top row of the  
> > display shows all 16 cells "lit" (darkened) with EVERY bit position  
> > darkened (i.e. a rectangle). The bottom row is blank.
> 
> Thats what an HD44780 looks like when its uninitialized.
> 
> My guess is that you are not talking to it at all.
> 
> --
> David Kelly N4HHE, dkelly@HiWAAY.net
> ========================================================================
> Whom computers would destroy, they must first drive mad.
> 
> 
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