2010/3/23 St?phane Blondon <stephane.blondon at gmail.com>: > Hello, > > I bought an Epson Perfection V100 Photo which works with the epkowa > driver (with gt-s600). > > I don't find a recent mail on the mailing-list talking about writing a > free driver. So I plan to (try to) develop it to remove the licence > problem. I never done reverse engineering or wrote driver so the > failure is clearly possible... :-( > > I read the libusb documentation > (http://libusb.sourceforge.net/doc/index.html) and just start a very > minimal C code to find the scanner. I have started to read other pages > on the web too, but I think sane team would have advice about good > links too. I found the backend-writing.txt page on sane website.
get some traces of the windows driver in action making some small scans, using this tool: http://www.pcausa.com/Utilities/UsbSnoop/ Then decode them with another utility (i am partial to spike4.pl, which google can find :) At that point, I would investigate the epjitsu sane backend, as it already supports an epson chipset which may be related to the one in the V100. I would not attempt to write a converter. Oh- and make sure you are using a recent sane-backends git snapshot for your devel, not 1.0.20. allan -- "The truth is an offense, but not a sin"
