08-08-2011
What is the device name when it is plugged in? What does 'ls -l /dev/foo' show as the group? You might want to look into udev rules assigning file permissions. First Google hit gave me this:
Writing udev rules
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LEARN ABOUT FREEBSD
usbconfig
USBCONFIG(8) BSD System Manager's Manual USBCONFIG(8)
NAME
usbconfig -- configure the USB subsystem
SYNOPSIS
usbconfig [-u unit] [-a addr] [cmds...]
usbconfig [-d [ugen]<unit>.<addr>] [cmds...]
DESCRIPTION
The usbconfig utility is used to configure and dump information about the USB subsystem.
The options are as follows:
-u unit Limit device range to USB devices connected to the given USBUS unit.
-a addr Limit device range to the given USB device index. Should only be used in conjunction with the unit argument.
-d [ugen]<unit>.<addr>
Limit device range to USB devices connected to the given unit and address. The unit and address coordinates may be prefixed by the
lowercased word "ugen".
-h Show help and available commands.
When called without options, usbconfig prints a list of all available USB devices.
EXAMPLES
Show information about the device on USB bus 1 at address 2:
usbconfig -u 1 -a 2 dump_info
Dump HID descriptor for device on USB bus 1 at address 2:
usbconfig -u 1 -a 2 do_request 0x81 0x06 0x2200 0 0x100
Dump string descriptor at index Z for device on USB bus 1 at address 2:
usbconfig -u 1 -a 2 dump_string Z
Dump current configuration descriptor for device on USB bus 1 at address 2:
usbconfig -u 1 -a 2 dump_curr_config_desc
Dump device descriptor for device on USB bus 1 at address 2:
usbconfig -u 1 -a 2 dump_device_desc
Program the device on USB bus 1 at address 2 to suspend, resume, power off, go into power save, or power on:
usbconfig -u 1 -a 2 suspend
usbconfig -u 1 -a 2 resume
usbconfig -u 1 -a 2 power_off
usbconfig -u 1 -a 2 power_save
usbconfig -u 1 -a 2 power_on
Display a list of available quirk names:
usbconfig dump_quirk_names
See usb_quirk(4) for more information on quirks.
SEE ALSO
usb(4), usb_quirk(4)
BSD
January 6, 2010 BSD