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System Administration Guide: Devices and File Systems

ProcedureHow to Add a USB Camera

If the camera's media uses a PCFS file system, it will be automatically mounted. If the device does not bind to the scsa2usb driver, use libusb applications for transferring the pictures. For more information, refer to /usr/sfw/share/doc/libusb/libusb.txt.

  1. Become superuser.

  2. Plug in and turn on the USB camera.

    The system creates a logical device for the camera. After the camera is plugged in, output is written to the /var/adm/messages file to acknowledge the device's connection. The system treats the camera as a storage device.

  3. Examine the output that is written to the /var/adm/messages file.


    # more /var/adm/messages

    Examining this output enables you to determine which logical device was created so that you can then use that device to access your images. The output looks similar to the following:


    Jul 15 09:53:35 buffy usba: [ID 349649 kern.info]    OLYMPUS, C-3040ZOOM,
 000153719068
Jul 15 09:53:35 buffy genunix: [ID 936769 kern.info] scsa2usb1 is 
/pci@0,0/pci925,1234@7,2/storage@2
Jul 15 09:53:36 buffy scsi: [ID 193665 kern.info] sd3 at scsa2usb1: 
target 0 lun 0

    Match the device with a mountable /dev/dsk link entry, by doing the following:


    # ls -l /dev/dsk/c*0 | grep /pci@0,0/pci925,1234@7,2/storage@2
 lrwxrwxrwx   1 root     root          58 Jun 14  2010 c3t0d0p0 ->
 ../../devices/pci@0,0/pci925,1234@7,2/storage@2/disk@0,0:a

  4. Mount the USB camera file system.

    The camera's file system is most likely a PCFS file system. If file system is PCFS, then it should be automatically mounted.

    To manually mount the file system on an x86 system, you would use syntax similar to the following:


    # mount -F pcfs /dev/dsk/c3t0d0p0:c /mnt

    To manually mount the file system on a SPARC system, you would use syntax similar to the following:


    # mount -F pcfs /dev/dsk/c3t0d0s0:c /mnt

    For information on mounting file systems, see Chapter 18, Mounting and Unmounting File Systems (Tasks).

    For information on mounting different PCFS file systems, see mount_pcfs(1M).

  5. Verify that the image files are available.

    For example:


    # ls /mnt/DCIM/100OLYMP/
P7220001.JPG*  P7220003.JPG*  P7220005.JPG*
P7220002.JPG*  P7220004.JPG*  P7220006.JPG*

  6. View and manipulate the image files created by the USB camera.

    For example:


    # /usr/dt/bin/sdtimage P7220001.JPG &

  7. Unmount the file system before disconnecting the camera.

    For example:


    # umount /mnt

  8. (Optional) Turn off and disconnect the camera.