[En-Nut-Discussion] Graphical LCD

[Piotr Reiter]

Tolga Onbay napisał(a):
> I looked the link that you send before. For now, I want to use
> graphical lcd
> in text mode. So, writing a new driver or modifying hd44780.c , which
> one is
> ok?

>From what I know most LCDs of this kind have no character generator and
cannot work in text mode.
You probably need to draw every character yourself 8 vertical pixels at
a time.

Regards,
Peter
>
> On 5/18/06, Piotr Reiter <p.reiter at elmech.pl> wrote:
>>
>> Tolga Onbay napisał(a):
>> > Hello,
>> >
>> > I'm going to add an LCD display(128x64) to Ethernut 1.3G. And I want
>> > to use
>> > it as stdout. Do i have to write a new driver or modify hd44780.c?
>> > Which one
>> > is suitable (both efficiency and difficulty)?
>> >
>>
>> Hi,
>>
>> Unless I worked with totally different 128x64 graphical LCD panet than
>> you are about to,
>> I can tell that it is in almost no way similar to the hd44780 text mode
>> LCD.
>>
>> I suggest some exercise with software lcd simulator before writing the
>> driver at:
>> http://www.geo-cities.com/dinceraydin/djgfxlcdsim/djgfxlcdsim.html
>> (remove - between geo and cities because "Links to geocities are
>> considered spam")
>>
>> It is quite good and complete.
>>
>> Peter
>>
>>
>>
>> > Thanks
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