[sane-devel] How to detect USB scanners on linux?

[Rupesh Tarpara]

Hi,

I am using Redhat AS 3, update 7. kernel string 2.4.21-40.EL.

I am developing sane backend for USB hand held image scanner.

Problem :-

When I connect the USB device and run 'sane-find-scanner' command, it does
not detect my usb scanner. It displays error message as, 'make sure usb host
controller driver is installed and kernel scanner module is loaded'.

1) The files present in /dev/usb are :-

scanner0   scanner10  scanner12  scanner14  scanner2   scanner4   scanner6
scanner8
scanner1   scanner11  scanner13  scanner15  scanner3   scanner5   scanner7
scanner9

2) the files present in /etc/hotplug are :-

blacklist          ieee1394.agent  pci        pci.rc  usb.agent
usb.handmap  usb.usermap
hotplug.functions  net.agent       pci.agent  usb     usb.distmap  usb.rc

3) output of lsmod is:-

Module                  Size  Used by    Not tainted
ide-cd                 33920   0  (autoclean)
cdrom                  32416   0  (autoclean) [ide-cd]
i810_audio             29784   0  (autoclean)
ac97_codec             17736   0  (autoclean) [i810_audio]
soundcore               6436   2  (autoclean) [i810_audio]
agpgart                57752   6  (autoclean)
audit                  89944   2  (autoclean)
usbserial              23420   0  (autoclean) (unused)
parport_pc             18756   1  (autoclean)
lp                      8964   0  (autoclean)
parport                36832   1  (autoclean) [parport_pc lp]
autofs4                16152   0  (autoclean) (unused)
e100                   28264   1
mii                     4516   0  [e100]
floppy                 56624   0  (autoclean)
sg                     36236   0  (autoclean) (unused)
scsi_mod              107180   1  (autoclean) [sg]
microcode               5688   0  (autoclean)
keybdev                 2944   0  (unused)
mousedev                5524   1
hid                    22244   0  (unused)
input                   5888   0  [keybdev mousedev hid]
ehci-hcd               20008   0  (unused)
usb-uhci               25740   0  (unused)
usbcore                77408   1  [usbserial hid ehci-hcd usb-uhci]
ext3                   85864   2
jbd                    50956   2  [ext3]

===========================================================================\

can anyone guide me what is wrong? Where to look for usb scanner device
file?
is it necessary to install, usb-serial port emulator driver(kernel module)
for scanner device on linux? (as usbserial module is already present)

Thanks in advance,

Rupesh Tarpara





http://www.patni.com
World-Wide Partnerships. World-Class Solutions.
_____________________________________________________________________

This e-mail message may contain proprietary, confidential or legally
privileged information for the sole use of the person or entity to
whom this message was originally addressed. Any review, e-transmission
dissemination or other use of or taking of any action in reliance upon
this information by persons or entities other than the intended
recipient is prohibited. If you have received this e-mail in error
kindly delete  this e-mail from your records. If it appears that this
mail has been forwarded to you without proper authority, please notify
us immediately at netadmin at patni.com and delete this mail. 
_____________________________________________________________________