[sane-devel] Backend for HP G4050 USB scanner
m. allan noah
kitno455 at gmail.com
Tue Dec 8 20:38:24 UTC 2009
You should try to connect the scanner to a machine with a current
version of sane, and run sane-find-scanner. It might be able to detect
the chipset. If not, you might consider opening the scanner, and see
if you can find info on the chips inside. After that, you will need to
get logs of the windows driver in action, using something like this:
On Mon, Dec 7, 2009 at 3:07 PM, arie.kazachin at 013net.net
<arie.kazachin at 013net.net> wrote:
> I've just joined this mailing list after realizing (too late) that the
> new scanner (HP G4050) I bought with my new PC doesn't have LINUX
> drivers. Somehow, during the hardware research before the purchase
> I assumed that such a large company as HP will write drivers
> for all of its scanners for such a widely used OS as LINUX and only
> after I bought it and started searching for backend I discovered that
> HP decided to invest in the "All In One" line of "conglomerates"
> that do everything and not always in a best way at the expense of
> high quality scanners. After learning that there are no LINUX drivers
> for G4050 (I hope to be wrong but so far I had no evidence for the
> contrary) I started contemplating the idea of writing a backend
> for this scanner. I'm not a professional C/C++ programmer (I'm a
> VLSI engineer), from time to time I had to touch some C code at work
> to make some changes (like altering "binutils" assembler to add
> a new CPU) or to write simple BMP-filtering programs at home but I
> never wrote something as complicated as a driver.
> Is it totally insane to contemplate writing a backend without being
> C/C++ professional?
> Even before the issue of how to write a driver there is an issue of:
> what should it do? Is there any document describing the "programming
> model" of G4050 scanner?
> Are there any docs that help novices to write backend drivers?
> Has anyone attempted to write a backend for that scanner?
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