70d654f756
Integrate with the startup scripts in /etc/rc.d. Introduce new variable "gpio" for /etc/rc.conf.
70 lines
2.2 KiB
Groff
70 lines
2.2 KiB
Groff
.\" $NetBSD: gpio.conf.5,v 1.1 2009/07/25 16:20:11 mbalmer Exp $
|
|
.\"
|
|
.\" Copyright (c) 2009 Marc Balmer <marc@msys.ch>
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer.
|
|
.\" 2. Redistributions in binary form must reproduce the above copyright
|
|
.\" notice, this list of conditions and the following disclaimer in the
|
|
.\" documentation and/or other materials provided with the distribution.
|
|
.\"
|
|
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
.\" INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
.\"
|
|
.Dd July 16, 2009
|
|
.Dt GPIO.CONF 5
|
|
.Os
|
|
.Sh NAME
|
|
.Nm gpio.conf
|
|
.Nd GPIO config file
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
file is read by the
|
|
.Pa gpio
|
|
rc.d script during system start-up and shutdown,
|
|
and is intended for configuring GPIO pins.
|
|
.Ss FILE FORMAT
|
|
Lines starting with a hash
|
|
.Pq Sq #
|
|
and empty lines are ignored.
|
|
All other lines are passed to
|
|
.Xr gpioctl 8 .
|
|
.Sh FILES
|
|
.Bl -tag -width XXetcXgpioXconfXX
|
|
.It Pa /etc/gpio.conf
|
|
The
|
|
.Nm
|
|
configuration file resides in
|
|
.Pa /etc .
|
|
.It Pa /etc/rc.d/gpio
|
|
.Xr rc.d 8
|
|
script that parses
|
|
.Nm .
|
|
.El
|
|
.Sh EXAMPLES
|
|
In this example, if the
|
|
.Pa /etc/gpio.conf
|
|
config file is present pin 1 of
|
|
.Pa /dev/gpio0
|
|
is set as output and named "error_led".
|
|
.Bd -literal -offset indent
|
|
# Program pin 1 of /dev/gpio0 as output and name it "error_led"
|
|
/dev/gpio0 1 set out error_led
|
|
.Ed
|
|
.Sh SEE ALSO
|
|
.Xr gpioctl 8 ,
|
|
.Xr rc 8
|