[sane-devel] calling all GL841 experts

Gerhard Jaeger gerhard at gjaeger.de
Sat Jan 19 18:49:26 UTC 2008

On Friday 18 January 2008 22:57:30 robert w hall wrote:
> >The protocol is different to the protocol of gl646 or gl841, but some
> >commands are the same. Especially, i see motor-slope-table downloads,
> >done in the same way as for the supported genesys-chips.
> >
> >I think this one is a newer genesys chip, maybe the gl843.
> >
> >Regards,
> >  Pierre
> Just to check - Plustek 7200 is an 842? I've got a log or two I took,
> but it's MB long and I didn't get very far with or into it it...

AFAIK yes, what's the bcdDevice value? In fact by using this value
you'll be able to distinguish GL84[1,2,3]:

bcdDevice >= 4.00 --> GL843
bcdDevice >= 3.06 --> GL842
bcdDevice >= 2.00 --> GL841


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