AVR-Chat

Hi,
Which LCD you are using and what make.
Bye


On Sat, 26 Nov 2005 amol_deshmukh wrote :
>hi
> i was stuck up with LCD for about half a month for a very small reason. i too had done everything correctly.
> i was trying to use LCD with AtMega16 in 4 bit mode using Port C. the JTAG bit on Port C wasnt diabled and for this tiny thing could not get LCD running. u might wanna check into that.
>
> --
> Amol Deshmukh
> 3rd Yr. Undergraduate
> Dept. of Mechanical Engg.
> IIT - Bombay, India
>
>
>Message: 1
> Date: Fri, 25 Nov 2005 13:50:35 -0800
> From: James Washer
>Subject: Help debugging LCD display issues
>
>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.
>
>I've checked and checked that all is hooked up well, but nothing changes... any ideas?
>
>thanks
>
> - jim
>
>
>________________________________________________________________________
>________________________________________________________________________
>
>Message: 2
> Date: Fri, 25 Nov 2005 20:52:52 -0600
> From: David Kelly
>Subject: Re: Help debugging LCD display issues
>
>
>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.
>
>
>
>________________________________________________________________________
>________________________________________________________________________
>
>Message: 3
> Date: Fri, 25 Nov 2005 20:51:57 -0800
> From: James Washer
>Subject: Re: Help debugging LCD display issues
>
>Yes, I'm beginning to think that is the case. Thanks
>
> - jim
>
>On Fri, 25 Nov 2005 20:52:52 -0600
>David Kelly 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.
> >
>
>
>
>
>
>amol deshmukh
>mechanical engg.
>IIT-B, Powai ,Mumbai
>
>---------------------------------
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