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Hi
I've been trying to find the schematics or any documentation on building
the parallel port to aux adapter (used by parkbd.o) so that one can plug
a keyboard to the parallel port, and all I can find is a page saying
'schematics will follow sometime later' and a page referenced everywhere
that doesnt exist anymore (http://www.suse.cz/development/input/).
Would someone please send me any useful data/link?
(I tried emailing Mr. Vojtech Pavlik a long time ago, but I got no reply)
Thanks in advance
Evaldo Gardenali - UdontKnow
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On Fri, 16 Jan 2004 18:01:16 -0200 Evaldo Gardenali <[email protected]> wrote:
| Hi
| I've been trying to find the schematics or any documentation on building
| the parallel port to aux adapter (used by parkbd.o) so that one can plug
| a keyboard to the parallel port, and all I can find is a page saying
| 'schematics will follow sometime later' and a page referenced everywhere
| that doesnt exist anymore (http://www.suse.cz/development/input/).
| Would someone please send me any useful data/link?
| (I tried emailing Mr. Vojtech Pavlik a long time ago, but I got no reply)
The web page that you mentioned is now at
http://atrey.karlin.mff.cuni.cz/~vojtech/input/
or
http://linuxconsole.sourceforge.net/input/input.html
However, the parkbd reference isn't there.
Google for "parkbd +adapter" and you can find it.
parkbd adapter is mentioned here
<http://linuxconsole.sourceforge.net/input/adapters.html>
but not presented...
--
~Randy
Everything is relative.
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Randy.Dunlap wrote:
| On Fri, 16 Jan 2004 18:01:16 -0200 Evaldo Gardenali
<[email protected]> wrote:
|
| | Hi
| | I've been trying to find the schematics or any documentation on building
| | the parallel port to aux adapter (used by parkbd.o) so that one can plug
| | a keyboard to the parallel port, and all I can find is a page saying
| | 'schematics will follow sometime later' and a page referenced everywhere
| | that doesnt exist anymore (http://www.suse.cz/development/input/).
| | Would someone please send me any useful data/link?
| | (I tried emailing Mr. Vojtech Pavlik a long time ago, but I got no
reply)
|
| The web page that you mentioned is now at
| http://atrey.karlin.mff.cuni.cz/~vojtech/input/
been there before mailing :)
| or
| http://linuxconsole.sourceforge.net/input/input.html
| However, the parkbd reference isn't there.
been there before mailing :)
|
| Google for "parkbd +adapter" and you can find it.
| parkbd adapter is mentioned here
| <http://linuxconsole.sourceforge.net/input/adapters.html>
| but not presented...
been there before mailing :)
I *KNOW* how to google...
I actually just needeed *DOCUMENTATION* I can't find anywhere, and the
author seems to ignore my mails (or it goes to spam trash, or whatever
happens, the thing is I don't get a reply)
I wonder how useful is a piece of code present in millions of boxes if
virtually NOBODY knows how to use it. and it annoys me a bit that many
requested features are out of the kernel, but a feature that is in the
main tree is virtually useless (if its really useful, where's the link
for the docs?)
</rant>
sorry, but I feel frustrated with that
[]s
Evaldo Gardenali
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On Wed, Jan 21, 2004 at 09:22:34AM -0200, Evaldo Gardenali wrote:
> I *KNOW* how to google...
> I actually just needeed *DOCUMENTATION* I can't find anywhere, and the
> author seems to ignore my mails (or it goes to spam trash, or whatever
> happens, the thing is I don't get a reply)
> I wonder how useful is a piece of code present in millions of boxes if
> virtually NOBODY knows how to use it. and it annoys me a bit that many
> requested features are out of the kernel, but a feature that is in the
> main tree is virtually useless (if its really useful, where's the link
> for the docs?)
> </rant>
> sorry, but I feel frustrated with that
Your mail is still hanging in my inbox, and unfortunately I don't have
the complete schematic for the parkbd adapter anywhere near me.
I was hoping I could find it, but I suppose the following might be
enough for you to build the adapter:
It's really simple, just two diodes and two resistors in this
arrangement:
______
+5V -------|______|--.
|
INPUT PIN -----------|
|--- KBD PIN
OUTPUT PIN ---|<|----'
Now for KBD CLOCK you use STROBE and ACK pins on the parallel port and
for KBD DATA you use AUTOFD and BUSY pins on the parallel port. I don't
remember the value of the resistor used, but something like 5k should
work OK. It's not completely necessary anyway.
And then you'll also have to connect the keyboard +5V and GND pins. For
+5V you can either use the real keyboard or mouse connectors, get +5V
from the joystick connector or from an external power supply.
--
Vojtech Pavlik
SuSE Labs, SuSE CR