Hi tank you for your answer, my application use a BeagleBone, 16x2 LCD
character and a 4x4 Keypad, must wait a finger in sensor to do de
identification, the fingerprint are in a MySQL database in the
BeagleBone, in a PC with Ubuntu and the SDK from Digital Persona to
kernel 2.6, do a simple call to identifcation function in a loop, this
function wait 100 milliseconds and exit the function with a time out
error and continue the program, but in the BeagleBone ARM i use the
libfprint to build it in kernel 3.2, but the function identify stop the
flow of the program, and the LCD and the keypad are not accessible until
a finger is in the sensor, is there any way to stop the identify function??
El 07/12/12 01:47, Bastien Nocera escribió:
Em Thu, 2012-12-06 às 22:47 -0600, Ing. Alfredo Alarcon escreveu:
Hi everybody, i have a 400b digital persona sensor, when i used the sdk
from digital persona (before they charged it) the identify function wait
for a finger n milliseconds and then break the function and continue
with the program, but here in the libfprint the identify function blocks
the program waiting for a finger in the sensor, what can i do with this
problem??
There's probably a bug in your program, or you're not canceling the scan
correctly. In either case, I would advise you to use the D-Bus interface
in fprintd which takes care of all that.
Cheers
--
Ing. Alfredo Alarcón
Xalfij Electrónica
Depto. Ingeniería
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