Well, I wrote the fujitsu backend, so I feel justified in saying that is a bug :) What version of sane-backends are you using?
allan On Sun, Apr 12, 2009 at 3:04 PM, Florian Lohoff <flo at rfc822.org> wrote: > On Sun, Apr 12, 2009 at 09:11:16AM +0200, Florian Lohoff wrote: >> Hi, >> i am writing my own little scanner button handling which works without the >> problem. >> I am trying to attach the scanner (via USB) to a headles system. So in the >> end i 'd like to start the scanner button program via udev and let it >> die once the user turns off the scanner. >> >> I would have expected sane_control_option to return an error message once >> the scanner gets turned off (disconnected) but it still returns >> 0 aka SANE_STATUS_GOOD which is astonishing.. >> >> Whats the proposed way to detect a disconnected scanner? Should i reopen the >> scanner >> on every 1 sec polling interval?!? > > As i got a hint that the backend would be an important point - The backend > in this case is the fujitsu - fi 4120C on USB > > Flo > -- > Florian Lohoff ? ? ? ? ? ? ? ? ?flo at rfc822.org ? ? ? ? ? ? +49-171-2280134 > ? ? ? ?Those who would give up a little freedom to get a little > ? ? ? ? ?security shall soon have neither - Benjamin Franklin > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.9 (GNU/Linux) > > iD8DBQFJ4js/Uaz2rXW+gJcRAv8DAKDWG48RQ2j3ZfYsALoKpDKvmjaG4QCg0/y8 > 9a3YGNziQ2H2fiG60nrGQhk= > =TjxZ > -----END PGP SIGNATURE----- > > -- "The truth is an offense, but not a sin"
