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From: blisca on 20 Dec 2009 13:56
Hi

can anyone help me ?

I'm using a Varitronix MDLS20265SS that is said based on KS0070B controller.
I think that i implemented the sequence showed in the datasheet and i use
it in 4-bit mode.

More specifically in initialization the command 0x28 is used,bit 3 meaning
that it should work in 2 lines mode,but nothing...no way to make any
character appearing on the second line

Other commands seems to be interpreted correctly(cursor blink,position ...)

Can i have some hint or help?

Thanks to you all ad have a Good Christmas.

Diego,
Milan,Italy

I


From: Jim Stewart on 20 Dec 2009 20:23
blisca wrote:
> Hi
>
> can anyone help me ?
>
> I'm using a Varitronix MDLS20265SS that is said based on KS0070B controller.
> I think that i implemented the sequence showed in the datasheet and i use
> it in 4-bit mode.
>
> More specifically in initialization the command 0x28 is used,bit 3 meaning
> that it should work in 2 lines mode,but nothing...no way to make any
> character appearing on the second line
>
> Other commands seems to be interpreted correctly(cursor blink,position ...)
>
> Can i have some hint or help?

Are you setting the address counter to 40 hex
before sending the char?
From: blisca on 21 Dec 2009 03:24

"Jim Stewart" <jstewart(a)jkmicro.com> ha scritto nel messaggio
news:hgmilp$a9s$1(a)news.eternal-september.org...
> blisca wrote:
> > Hi
> >
> > can anyone help me ?
> >
> > I'm using a Varitronix MDLS20265SS that is said based on KS0070B
controller.
> > I think that i implemented the sequence showed in the datasheet and i
use
> > it in 4-bit mode.
> >
> > More specifically in initialization the command 0x28 is used,bit 3
meaning
> > that it should work in 2 lines mode,but nothing...no way to make any
> > character appearing on the second line
> >
> > Other commands seems to be interpreted correctly(cursor blink,position
....)
> >
> > Can i have some hint or help?
>
> Are you setting the address counter to 40 hex
> before sending the char?


ooopss....that was the error

once more i relied on my memory too confidentially,after years without using
any intelligent LCD
thanks Jim Stewart


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