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<p>Greetings,</p>
<p>I am also interested in the best source code I may find in order
to add support for HP ZBook 17 G3 integrated sensor, i.e.: ID:
138a:003f - Validity Sensors, Inc. - VFS495 Fingerprint Reader.</p>
<p>Thanks by now to the fprint great community !<br>
</p>
<div class="moz-signature">Librement vôtre / Libremente suyo /
Freely yours,<br>
<b>Eric J.P.E. Davanture - <a class="moz-txt-link-abbreviated" href="mailto:eric.davanture@orange.fr">eric.davanture@orange.fr</a><br>
</b>
Mobile: +33-607.08.01.78<br>
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<th valign="BASELINE" nowrap="nowrap" align="RIGHT">Subject:
</th>
<td>Where is the code for an individual or multiple drivers?</td>
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<tr>
<th valign="BASELINE" nowrap="nowrap" align="RIGHT">Date: </th>
<td>Tue, 26 Mar 2024 08:21:47 +0000</td>
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<tr>
<th valign="BASELINE" nowrap="nowrap" align="RIGHT">From: </th>
<td>Andy Doddington <a class="moz-txt-link-rfc2396E" href="mailto:andy@doddington.net"><andy@doddington.net></a></td>
</tr>
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<th valign="BASELINE" nowrap="nowrap" align="RIGHT">To: </th>
<td><a class="moz-txt-link-abbreviated" href="mailto:fprint@lists.freedesktop.org">fprint@lists.freedesktop.org</a>
<a class="moz-txt-link-rfc2396E" href="mailto:fprint@lists.freedesktop.org"><fprint@lists.freedesktop.org></a></td>
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<div dir="auto">Hi,</div>
<div dir="auto"><br>
</div>
<div dir="auto">Thanks for that. The documentation that you
refer to looks like it was generated directly from code
(Doxygen?) with very little explanation of the context or
lifecycle etc. You refer to the actual driver code as
providing useful example(s), but where is this code? I've
looked at what I believe is the Git repo
(<a class="moz-txt-link-freetext" href="https://github.com/keyme/libfprint">https://github.com/keyme/libfprint</a>), but can't locate the
drivers.</div>
<div dir="auto"><br>
</div>
<div dir="auto">It's a shame that fprint looks like so many
other topics (e.g. printf). Reminds me of the time when I
needed to get details of the Hilton in Paris ;-)</div>
<div dir="auto"><br>
</div>
<div dir="auto">With apologies for being dense...</div>
<div dir="auto"><br>
</div>
<div dir="auto" id="tmjah_g_1299">
<div>Kind Regards,</div>
<div><br>
</div>
<div> Andy Doddington</div>
<div> </div>
</div>
<br>
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Today's Topics:<br>
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1. Re: How to write an fprint driver? Plus examples
if possible?<br>
(Benjamin Berg)<br>
<br>
<br>
----------------------------------------------------------------------<br>
<br>
Message: 1<br>
Date: Mon, 25 Mar 2024 09:33:14 +0100<br>
From: Benjamin Berg <a class="moz-txt-link-rfc2396E" href="mailto:benjamin@sipsolutions.net"><benjamin@sipsolutions.net></a><br>
To: Andy Doddington <a class="moz-txt-link-rfc2396E" href="mailto:andy@doddington.net"><andy@doddington.net></a>,<br>
<a class="moz-txt-link-rfc2396E" href="mailto:fprint@lists.freedesktop.org">"fprint@lists.freedesktop.org"</a>
<a class="moz-txt-link-rfc2396E" href="mailto:fprint@lists.freedesktop.org"><fprint@lists.freedesktop.org></a><br>
Subject: Re: How to write an fprint driver? Plus
examples if possible?<br>
Message-ID:<br>
<a class="moz-txt-link-rfc2396E" href="mailto:0d420e06adc9d8b6ef78235b8be469f7601cfc87.camel@sipsolutions.net"><0d420e06adc9d8b6ef78235b8be469f7601cfc87.camel@sipsolutions.net></a><br>
Content-Type: text/plain; charset="utf-8"<br>
<br>
On Sat, 2024-03-23 at 18:42 +0000, Andy Doddington
wrote:<br>
> <br>
> <br>
> <br>
> <br>
> > <br>
> > <br>
> > <br>
> > <br>
> > Dear All,<br>
> > I note from the documentation<br>
> >
at?<a class="moz-txt-link-freetext" href="https://fprint.freedesktop.org/libfprint-dev/intro.html?that">https://fprint.freedesktop.org/libfprint-dev/intro.html?that</a>:<br>
> > "This documentation is not aimed at
developers wishing to develop<br>
> > and?, contribute fingerprint device drivers
to libfprint".<br>
<br>
Haha, I didn't know that string existed. That is not
true anymore ?<br>
<br>
I mean, look
at?<a class="moz-txt-link-freetext" href="https://fprint.freedesktop.org/libfprint-dev/?there">https://fprint.freedesktop.org/libfprint-dev/?there</a>
is<br>
an entire section on "Writing Drivers", not sure why
you got stuck on<br>
the Introduction which is probably still there from
libfprint 0.x times<br>
;-)<br>
<br>
I think these days most of the internal API surface is
documentation.<br>
Likely not perfect, but it should be a quite good
overall. So, take a<br>
look at it, but also be willing to accept that there
might be some<br>
mistakes or gaps in the documentation. In the same way
as the sentence<br>
you quoted is definitely not true anymore.?:-)<br>
<br>
> > Given that, could you please direct me to
the documentation that<br>
> > *is* meant to server this purpose - ideally
with some example code?<br>
> > I have just bought a laptop that does not
provide a Linux-<br>
> > compatible fingerprint reader, even though
it has one that is used<br>
> > by Windows 11 (sigh...).?<br>
<br>
Please refer to the existing drivers. There is no
point in creating an<br>
example. Take a look at a few different and go from
there. To start,<br>
figure out if you have a match-on-host or
match-on-chip device and try<br>
to find a similar driver from there.<br>
<br>
Benjamin<br>
<br>
> > <br>
> > Clearly, this is not a promise on my part,
but it might be worth a<br>
> > try - just for the fun of it.<br>
> > <br>
> > Kind Regards,<br>
> > <br>
> > <br>
> > ? ? ? ? ?Andy Doddington<br>
> > <br>
<br>
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