Hi, I am (well, not at the moment, but..) working on driver for vfs301, it is more or less operational - check out https://github.com/andree182/vfs301 .
On Sun, Feb 12, 2012 at 7:21 PM, Pierre Mauduit <[email protected]>wrote: > Hello, > > I have been provided by my company a dell vostro 3350 laptop last week, > and I had to reformat the hard disk in order to install ubuntu. I lost > the drivers and the windows app, thus I'm unable to snoop the usb > traffic. The device is the following (relying on lsusb output) : > > Bus 002 Device 003: ID 138a:0011 DigitalPersona, Inc > > It seems that someone here already posted some usb snooping sessions, I > wrote a python snippet which tries to mimic the urb sent to the device, > but I'm a bit stuck with reverse engineering for now (the device on the > capture files does not seem to be "plugged" at the same place as on my > laptop - hypothetically bus 3 device 4 in the provided logs, bus 2 > device 3 on mine). > > - Is there a special windows app to install in order to be able to snoop > the usb traffic ? I successfully installed the driver into a win seven > virtualbox, but I could not manage to find a suitable software to use it > concretely. > For me "Usblyzer" was quite useful plus there were no problems with unsigned drivers in w7 x64. > - Is there anybody here currently working on the same device ? I tried > to hack around the vfs101 driver with no luck, the initialization > process does not look the same, and adding the vendorId / productId into > the sources does not do the trick unfortunately. I got the following > output, trying to use the enroll example: > > Scan your finger now. > vfs101:error [async_recv_cb] seqnum mismatch, got 0401, expected 0000 > async:error [fpi_drvcb_enroll_stage_completed] BUG at async.c:161 > sync:error [fp_enroll_finger_img] unrecognised return code -5 > Enroll failed with error -22 > > - Additionally, do you have some hints in order to get started with the > current fprint code ? > The preliminary version of vfs301 driver - the glue between the driver and libfprint - is as small as I could make it, so you could get some inspiration there. But no guarantees - I did not even post it to be merged into mainline yet... Greetings, -- Andrej
_______________________________________________ fprint mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/fprint
