[fprint] AES1610 on ASUS R2H

[Daniel Bratu]

Hi Daniel,
 Unfortunately I can't show an image because I can't capture it - it
will show it for just a short period of time.
 The image sometimes is small, sometimes is large but not as a full
scan.
 I am able to run the the device under Vista OS - it works just fine
there. Installed SniffUSB but when tried to scan my finger with the
Sniffer installed it won't do anything. When the Sniffer is un-installed
the scan works and recognises my finger.
 See attached a screenshot of my desktop with fprint_demo running - if
the window will be a less taller will be just fine - see attached image.

Regards,
Daniel

On Tue, 2007-11-27 at 09:10 +0000, Daniel Drake wrote:
> Daniel Bratu wrote:
> >  First of all thanks for the effort you put in developing this.
> >  I was looking for a solution  to  the fingerprint scanner for  my
> > tablet pc, ASUS R2H running Ubuntu Gutsy
> > and I found your driver for AES1610.
> >  I managed to build fprint_demo but there are issues when trying to
> > enroll fingers:
> >  - bad scan or
>
> Can you show images?
>
> >  - aes1610:warning [capture] swiping finger too slow?
>
> The latest git version has increased the scan duration.
>
> >    Segmentation fault (core dumped)
>
> We believe this only happens when the scan was so bad that only a tiny
> image was produced. http://www.reactivated.net/fprint/bugs/task/8
>
> In general it sounds like you are hitting
> http://www.reactivated.net/fprint/bugs/task/6
> The current AES1610 code is tuned for a specific scanner, and the
> differences in your device mean that you aren't getting any good images
> back. At some point we will have implemented automatic calibration so
> that this problem goes away.
>
> Are you able to run the device under another OS?
>
> >  Also some notes from a user using this application on a tablet pc at
> > 800x480:
> >  - can the window be made to fit such display?
>
> What part of it is not fitting?
>
> > Also to be able to run the application and get rid of the error:
> >
> >
> > aes1610:error [dev_init] could not claim interface 0
>
> This is documented on the fprint wiki.
>
> Daniel
>
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