shithub: riscv

ref: 63a0d519bcdb02b226023b1c07343bc52791a677
dir: /sys/man/3/kbd/

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.TH KBD 3 
.SH NAME
kbd \- pc keyboard driver
.SH SYNOPSIS
.nf
.B bind -a #b /dev

.B /dev/scancode
.B /dev/leds
.fi
.SH DESCRIPTION
.PP
The
.I kbd
device serves a one-level directory containing the files
.BR scancode
and
.BR leds .
.PP
Reading the
.BR scancode
file returns the raw scancode stream as it is emitted by the keyboard
device without any translation. It is usually
.IR kbdfs (8)
task to interpret the scancodes and provide device independent
keyboard input to programs. The
.BR scancode
file can be only opened once by the hostowner.
.PP
Writing a number to the write-only 
.BR leds
file changes the status leds on the keyboard. the value of the
number is the addition of 1, 2 and 4 representing activated
Scroll, Num and Caps leds.
.SH EXAMPLE 
Set the Scroll and Caps leds:
.EX
echo 5 >/dev/leds
.EE
.SH "SEE ALSO"
.IR kbdfs (8)
.SH SOURCE
.B /sys/src/9/pc/devkbd.c