How to write a keyboard driver?

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LEARN ABOUT FREEBSD

kbdmux

KBDMUX(4)						   BSD Kernel Interfaces Manual 						 KBDMUX(4)

NAME

     kbdmux -- keyboard multiplexer

SYNOPSIS

     device kbdmux

     In /boot/device.hints:
     hint.kbdmux.0.disabled="1"

DESCRIPTION

     The kbdmux keyboard driver provides support for basic keyboard multiplexing.  It is built around the idea of a ``super keyboard''.  The
     kbdmux driver acts as a master keyboard consuming input from all slave keyboards attached to it.

     Slave keyboards can be attached to or detached from the kbdmux keyboard driver with the kbdcontrol(1) utility.

SEE ALSO

     kbdcontrol(1), atkbd(4), syscons(4), ukbd(4), vt(4)

HISTORY

     The kbdmux module was implemented in FreeBSD 6.0.

AUTHORS

     Maksim Yevmenkin <m_evmenkin@yahoo.com>

CAVEATS

     The kbdmux keyboard driver switches all slave keyboards into K_RAW mode.  Thus all slave keyboards attached to the kbdmux keyboard share the
     same state.  The kbdmux keyboard is logically equivalent to one keyboard with lots of duplicated keys.

BSD
								   July 12, 2005							       BSD

UNIX for Advanced & Expert Users