Hi Alan, On Thu, 2016-08-11 at 10:13 -0700, Vasily Khoruzhick wrote: > Hi Alan, > > On Thu, Aug 11, 2016 at 10:03 AM, Alan Davidson <[email protected]> wrote: > > > > Hi libfprint folks - > > > > I've got a Digital Persona U.are.U 4500 fingerprint reader, and I'm > > trying > > to migrate to libfprint from the closed source drivers I got from > > Digital > > Persona themselves. > > > > The driver chosen by libfprint is uru4000, which seems right. When > > I call > > fp_dev_get_nr_enroll_stages on the device, it returns 1: a single > > scan is > > enough to enroll a fingerprint. and indeed, I can scan my finger > > once and > > get back a fp_print_data struct (through the callback passed to > > fp_async_enroll_start). > Probably you're using old libfprint. Newer returns 5. It scans finger > 5 times and upon verification > it compares scanned finger to a gallery.
I can verify Vasily's answer. I use the same reader with libfprint, and it scans 5 consecutive times for enrollment, if you use an up-to-date version of libfprint. Regards, Martin Hejnfelt _______________________________________________ fprint mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/fprint
