[fprint] fp_dev_img_capture not implemented.

[Alex]

Hello Nicolas,

 

Thanks for advice!

 

Best regards,

Alex.

 

  _____  

From: nicoblank at gmail.com [mailto:nicoblank at gmail.com] On Behalf Of Nicolas Blankleider
Sent: Monday, November 23, 2009 3:31 PM
To: Alex
Cc: fprint at reactivated.net
Subject: Re: [fprint] fp_dev_img_capture not implemented.

 

Hello Alex, my recommendation is to analyze the fprint_demo code in C, this example has all you need implemented.

The enroll function give you one pointer to a structure and image, you can transform the fingerprint image to binary format.

If you want generate a image without use the enroll function you need to modify the libfprint code.

We use the enroll function for that and all run excellent.


Regards.





On Fri, Nov 6, 2009 at 11:33 PM, Alex <it at voliacable.com> wrote:

Hello,

I found that the fp_dev_img_capture function is not implemented.
The code says:
       //return fpi_imgdev_capture(imgdev, unconditional, image);
       /* FIXME reimplement async */
       return -ENOTSUP;

And unfortunately uncommenting the call to fpi_imgdev_capture does no good, as its implementation is absent.

I tried to search in the versions archive the implementation of this function, but unfortunately, after adding all the missing components and making necessary corrections – the function just didn’t worked returning error from LIBUSB (incorrect arguments).

I just wanted to ask if there is any other normal way of capturing the image without starting the enroll procedure? Or any chance somebody have implemented this function? I need to scan and show the image.

I'm using UPEK TouchStrip Sensor-Only sensor with upeksonly driver.

Thanks in advance for your answers.

Best regards,
Alex Dovgodko.


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