You can get the major and minor device numbers from the device file. The major device number will tell you if it's a SCSI or an USB device.
Karl Heinz Major A <and...@users.sourceforge.net> said: > > > Hi, > > I need some help from SANE developers: > > Given a device file, how can I determine whether that is a generic > SCSI or a USB scanner device? It seems that when I try to open a USB > device file as a SCSI device and probe with INQUIRY, a USB timeout > will occur. I don't think using a generic SCSI device file with some > random USB scanner protocol is a good idea either. > > So, is it possible to decide what interface the file stands for, or do > I have to judge from the filename (example: "usb:/dev/scanner")? > > Thanks, > > Andras > > =========================================================================== > Major Andras > e-mail: and...@users.sourceforge.net > www: http://andras.webhop.org/ > =========================================================================== > _______________________________________________ > Sane-devel mailing list > sane-de...@www.mostang.com > http://www.mostang.com/mailman/listinfo/sane-devel > --
