<div dir="ltr"><div>Thanks for the responses! I'm using the latest version available through apt-get on Ubuntu 14.04, which is labeled 1:0.5.1-1. I see that I can download the source code for version 0.6.0 at [1]. Is that the version you recommend I use? If not, where should I get it?<br><br></div> - Alan<br><br>[1] <a href="https://people.freedesktop.org/~hadess/">https://people.freedesktop.org/~hadess/</a><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Aug 11, 2016 at 1:25 PM, Martin Hejnfelt <span dir="ltr"><<a href="mailto:martin@duffman.dk" target="_blank">martin@duffman.dk</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hi Alan,<br>
<span class=""><br>
On Thu, 2016-08-11 at 10:13 -0700, Vasily Khoruzhick wrote:<br>
> Hi Alan,<br>
><br>
> On Thu, Aug 11, 2016 at 10:03 AM, Alan Davidson <<a href="mailto:alan@key.me">alan@key.me</a>> wrote:<br>
> ><br>
> > Hi libfprint folks -<br>
> ><br>
> > I've got a Digital Persona U.are.U 4500 fingerprint reader, and I'm<br>
> > trying<br>
> > to migrate to libfprint from the closed source drivers I got from<br>
> > Digital<br>
> > Persona themselves.<br>
> ><br>
> > The driver chosen by libfprint is uru4000, which seems right. When<br>
> > I call<br>
> > fp_dev_get_nr_enroll_stages on the device, it returns 1: a single<br>
> > scan is<br>
> > enough to enroll a fingerprint. and indeed, I can scan my finger<br>
> > once and<br>
> > get back a fp_print_data struct (through the callback passed to<br>
> > fp_async_enroll_start).<br>
> Probably you're using old libfprint. Newer returns 5. It scans finger<br>
> 5 times and upon verification<br>
> it compares scanned finger to a gallery.<br>
<br>
</span>I can verify Vasily's answer. I use the same reader with libfprint, and<br>
it scans 5 consecutive times for enrollment, if you use an up-to-date<br>
version of libfprint.<br>
<br>
Regards,<br>
Martin Hejnfelt<br>
</blockquote></div><br></div>