[sane-devel] Fwd: Re: Canon LiDE 120 scanner support
pavelsayekat at gmail.com
Tue Feb 9 19:57:19 UTC 2016
> Resending since "moderated because of too many recipients".
> -------- Forwarded Message --------
> Subject: Re: Canon LiDE 120 scanner support
> Date: Tue, 24 Feb 2015 21:22:51 +0100
> From: Stef <
> , Martin Heitmann <
> heitmann at .tu-berlin
> sane Development <
> sane-devel at .debian
> On 24/02/2015 19:56,
>> Hi Mr. Voltz,
>> I read on sane-devel that the LiDE 120 scanner has a new chip from
>> Genesys and might
>> require a little reverse-engineering to make work.
>> Since you know the backend well, I was wondering if you'd be willing to
>> look at it?
>> I'm wondering if I can help by donating the scanner or some development
>> I've CC:d the other people who had asked on-list about LiDE120 support in
>> case there's
>> any interest. (I had a brief look on my own -- I copy-pasted the LiDE 110
>> with the VID/PID from the 120. That makes the LED light up and stepper
>> motor move, but
>> not in the right direction -- I'm sure it won't be that simple!).
>> Thanks and kind regards,
>> Brian Bloniarz
> I have setup a small project on github
> (https://github.com/stefdev49/syseneg) where you can find my current
> work on analyzing the LiDE 220 protocol.
> Since I am working from recorded USB logs, only the hardware modes
> used by driver will be known. So the final backend will not be as
> complete as the genesys backend. For instance scan below 300 dpi are
> always done at 300 dpi for LiDE 110 and 210, if the 220 does the same,
> it will be highly unlikely I can have lower resolutions work since we
> don't have the datasheet. The same goes for hardware lineart.
> At the end we can expect a backend that works correctly by
> mimicking what can be found in USB logs. That will at least take me a
> couple of months.
> We can expect to make the LiDE 120 work once the LiDE 220 works, if
> they are as close as the LiDE 110 and 210 were (differing only by the
> highest sensor resolution).
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Yep Sir Voltz,
I am following you for long in hope that some day my Canon LiDE 120 will
work in Ubuntu and I am in github too following you. Wish you luck.
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