[sane-devel] ScanJet 2400 supported
stef.dev at free.fr
Tue Jan 5 12:07:22 UTC 2010
Le mardi 5 janvier 2010 09:08:21 Josu Lazkano, vous avez écrit :
> I have a HP2400, I can try the code. But I have not a lot of idea how to
> Thanks for all.
the current status of the backend regarding the HP2400 is that 100 dpi scan
is about to work. However the announced width of the data isn't the real one
used by the scanner. And there is also a miscalculation of the x coordinates.
To work this out, you'll have first to set up a the source code tree with git
(see http://www.sane-project.org/cvs.html ). When debugging, I use the locally
built libraries without installing them system wide with :
../frontend/scanimage -d genesys --resolution 100 --mode Color >hp2400-100dpi-
This will run a 100 dpi color mode test scan. This as to be executed in the
backend sub directory to work.
Then you'll have to compare the debug log and files with a reference scan
made with the windows driver, and recorded with usbsnoop. You can get it at
http://www.pcausa.com/Utilities/UsbSnoop/default.htm . I process the raw logs
with the appended scripts to turn them into something readable. Just run
'decode.sh logfile' to get a processed 'logfile.decode' .
This just a starting point, don't hesitate to ask for more information.
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