[sane-devel] New CanoScan 4200F, 5000F, 5600F backend?

[stef]

Le jeudi 25 mars 2010 19:30:55 m. allan noah, vous avez écrit :
> Some links:
> 
> http://www.sane-project.org/lists/sane-backends-cvs.html#S-UNSUPPORTED
> 
> which shows (among others)
> 
> http://www.sane-project.org/unsupported/canon-4200f.html
> http://www.sane-project.org/unsupported/canon-5000f.html
> http://www.sane-project.org/unsupported/canon-5200f.html
> etc...
> 
> There really is not enough info here to determine which chip they all
> use, but some variant of GL84x is possible...
> 
> Perhaps stef or pierre could determine this from sniffer logs.
> 
> allan
> 
> On Thu, Mar 25, 2010 at 2:08 PM, xy <abi1789 at googlemail.com> wrote:
> > (I will try to merge "CanoScan 5000F support?" with the 4200F/5600F-part
> > of "any sniff volunteers unsupported Canon scanners: 4200F, 5200F, 9900F,
> > 9950F" and
> > "To owners of CanoScan 5600F: please volunteer for testing" here.)
> >
> >
> > CanoScan 4200F, 5000F, 5600F seem to use similar protocols:
> >
> > Gernot Hassenpflug wrote:
> >> So far the 4200F has shown no sign of being a "pixma" device. I also
> >> received logs for the 5600F which appear somewhat similar. Does anyone
> >> know if this might be related to canon630u ?
> >
> > Gernot Hassenpflug wrote (on 5000F):
> >> Doing that shows that your scanner seems similar to 4200F and 5600F,
> >> maybe GL640 and/or other Genesys chip (?). I don't know the status of
> >> the genesys backend (need to search ML archives) or what
> >> chipsets/scanners are currently supported. But I suppose that would be
> >> the next thing to investigate.
> >
> > Catalin David said he would like to write a backend, and I would be
> > interested, too.
> >
> > Catalin David wrote:
> >> So, any chance anyone is working on this? If nobody is working on
> >> this, I'd like to start but I'll definitely need a crash course in
> >> scanner driver programming and to what I should pay attention. Or
> >> maybe somebody is aware of a similar driver that I can adjust?
> >
> > Obviously we should look at the Genesys backend first.
> > The home page is http://www.meier-geinitz.de/sane/genesys-backend/
> >
> > The canon630u-backend is located at:
> > http://canon-fb630u.sourceforge.net/
> >
> > and leads to this:
> > http://canonscanner.sourceforge.net/
> >
> >
> > I found some "SANE backend writing without docs" page here:
> > http://www.meier-geinitz.de/sane/misc/develop.html
> >
> > And a file containing general tips on writing a SANE-backend:
> > http://www.sane-project.org/backend-writing.txt
> >
> > We also should try to get information about which chips our scanners use.
> > The SANE hardware lists do not list the 5600F, say nothing about 5000F's
> > chips and provide some piece of information about the
> > 4200F's chips(which I not yet have used to investigate).
> >
> >
> > When I installed the Win-driver for 5000F, I noticed it uses
> > "TWAIN" in some kind. TWAIN seems to be some
> > standard about how to access a scanner. It seems to be
> > "Open" in some way. Maybe this could help us.
> > (ScanTWAIN at sf.net is some fake-OSS from Kodak,
> > no need to think about this.)
> >
> >
> > PyroPeter (also on irc (freenode, #sane))
> >
> > --
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> 
	Hello,

	I think it is easier to tell the exact genesys ASIC from the output of the 
latest version of sane-find-scanner. Or at least the full lsusb -v output.

Regards,
	Stef