search

eduardobogoni / jlibfprint

A Java binding to libfprint.
GNU Lesser General Public License v2.1
9 stars 5 forks source link

Greetings! #5

Closed manasimahajann closed 6 years ago

manasimahajann commented 6 years ago

I ran all the commands, this time with out errors (except libtoolize) on the last command that is - "java -cp target/jlibfprint-1.0-SNAPSHOT.jar jlibfprint.SampleRun" I get an error - "No device found to enroll fingers" when it comes to the connections, are you using usb connector for TTL conversion or are you directly using serial comm pins - GPIO 14,15 on the board? Sorry for the trouble. Thank you!

eduardobogoni commented 6 years ago

when it comes to the connections, are you using usb connector for TTL conversion or are you directly using serial comm pins - GPIO 14,15 on the board?

About 2014 I used a Persona 4000B (Or a compatible device) directly connected in the computer using USB 2 port. Today I has no more any device.

I believe you should test your device with fprint demo before try jlibfprint. In https://www.freedesktop.org/wiki/Software/fprint/libfprint/Supported_devices/ there is a list of supported devices.

It works in fprint demo?

manasimahajann commented 6 years ago

Oh!! yes i am using ZFM20 fingerprint module with raspberry pi 3. I don't see the zfm20 in the list you have provided. The sensor works great with the PI Program - https://tutorials-raspberrypi.com/how-to-use-raspberry-pi-fingerprint-sensor-authentication/ We want it to be running in java. Anyway, thank you for taking some time out to reply. Thank you! :)

Awner commented 6 years ago

Greetings again

I have a doubt about using jlibfprint, I used it to work with U are U fingerprint sensor and it works fine, but now I need to use it with another fingerprint device ( Upek Biometric Touchchip ) it's a capacitive sensor...

I test it with fprint-demo and it doesn't work...

Jlibfprint backs an exception :

Enroll the first finger... Enroll Exception [-22] jlibfprint.JlibFprint$EnrollException

Do you know if i could use jlibfprint or I need to try with another solution?

Thanks for attention again!

eduardobogoni commented 6 years ago

I have a doubt about using jlibfprint, I used it to work with U are U fingerprint sensor and it works fine, but now I need to use it with another fingerprint device ( Upek Biometric Touchchip ) it's a capacitive sensor...

I test it with fprint-demo and it doesn't work...

If it does not work with fprint-demo it is probably because libfprint does not support this device. Libfprint has a list of supported devices, check it: https://www.freedesktop.org/wiki/Software/fprint/libfprint/Supported_devices/.

If libfprint does not support your device there is not to do in JLibfprint because it just expose libfprint functions as a Java API - it does not change or add any functions. In this case you need - firstly - that libfprint support your device.