Stefan Nilsen schrieb:
>
> > > I'm asking because the documentation from National does not describe all
> > > the details of the communication part, only what the internal registers
> > > in the scanner do, which is great, but unfortenatly not enough for me.
> >
> > The way how to read and write registers was described in a different
> > document (I don't remeber its name). >ou should understand it by
> > looking at the following source codes:
>
> I have looked, but does not find any :-(
>
> >
> > There is some code for LM9831 based scanners at
> > http://www.meier-geinitz.de/sane/download.html (llook for test program
> > for BearPaw) and
> > http://zeus.instmath.rwth-aachen.de/~heine/sane-lm9831/lm9831.html.
>
> I have tried, and it works. It turns the light on and moves the head, and I
> get some register contents.
>
> >
> > I tried to write a backend for the Mustek BearPaw series but don't
> > have enough time. Quite some people also wanted to help and write code
> > but currently I don't know of any results.
>
> I will use the above code as a base for more investigation now. I have also
> now found more info about the protocol used when reading/writing to registers.
>
Did you already have a look
http://www.geocities.com/SiliconValley/Mouse/5403/lm9832.html
more then datasheets is there
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This archive was generated by hypermail 2b29 : Sun Jun 10 2001 - 10:04:57 PDT