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ukbd.4freebsd

Langue: en

Version: 300792 (debian - 07/07/09)

Section: 4 (Pilotes et protocoles réseau)


BSD mandoc

NAME

ukbd - USB keyboard driver

SYNOPSIS

To compile this driver into the kernel, place the following line in your kernel configuration file:
device ukbd

Alternatively, to load the driver as a module at boot time, place the following line in loader.conf5:

 ukbd_load="YES"
 

DESCRIPTION

The driver provides support for keyboards that attach to the USB port. usb(4) and one of uhci(4) or ohci(4) must be configured in the kernel as well.

CONFIGURATION

By default, the keyboard subsystem does not create the appropriate devices yet. Make sure you reconfigure your kernel with the following option in the kernel config file:
"options KBD_INSTALL_CDEV"

If both an AT keyboard USB keyboards are used at the same time, the AT keyboard will appear as kbd0 in /dev The USB keyboards will be kbd1 , kbd2 etc. You can see some information about the keyboard with the following command:

"kbdcontrol -i < /dev/kbd1"

or load a keymap with

"kbdcontrol -l keymaps/pt.iso < /dev/kbd1"

See kbdcontrol(1) for more possible options.

You can swap console keyboards by using the command

"kbdcontrol -k /dev/kbd1"

From this point on, the first USB keyboard will be the keyboard to be used by the console.

If you want to use a USB keyboard as your default and not use an AT keyboard at all, you will have to remove the device atkbd line from the kernel configuration file. Because of the device initialization order, the USB keyboard will be detected after the console driver initializes itself and you have to explicitly tell the console driver to use the existence of the USB keyboard. This can be done in one of the following two ways.

Run the following command as a part of system initialization:

"kbdcontrol -k /dev/kbd0 < /dev/ttyv0 > /dev/null"

(Note that as the USB keyboard is the only keyboard, it is accessed as /dev/kbd0 or otherwise tell the console driver to periodically look for a keyboard by setting a flag in the kernel configuration file:

"device sc0 at isa? flags 0x100"

With the above flag, the console driver will try to detect any keyboard in the system if it did not detect one while it was initialized at boot time.

DRIVER CONFIGURATION

Make the keyboards available through a character device in /dev

The above lines will put the French ISO keymap in the ukbd driver. You can specify any keymap in /usr/share/syscons/keymaps with this option.

Do not allow the user to change the keymap. Note that these options also affect the AT keyboard driver, atkbd(4).

FILES

/dev/kbd*
blocking device nodes

EXAMPLES

Add the driver to the kernel.

SEE ALSO

kbdcontrol(1), ohci(4), syscons(4), uhci(4), usb(4), config(8)

AUTHORS

An -nosplit The driver was written by An Lennart Augustsson Aq augustss@cs.chalmers.se for Nx and was substantially rewritten for Fx by An Kazutaka YOKOTA Aq yokota@zodiac.mech.utsunomiya-u.ac.jp .

This manual page was written by An Nick Hibma Aq n_hibma@FreeBSD.org with a large amount of input from An Kazutaka YOKOTA Aq yokota@zodiac.mech.utsunomiya-u.ac.jp .

HYGIÈNE

M : Quand t'as sucé une bite... il faut te laver les dents avec du spermicide... avant de lécher une chatte.