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#!/bin/sh
#
# Copyright (c) 1996 Andrey A. Chernov
# 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
#
# $FreeBSD$
#
# PROVIDE: serial
# REQUIRE: root
# KEYWORD: nojail
# Change some defaults for serial devices.
# Standard defaults are:
# dtrwait 300 drainwait `sysctl -n kern.drainwait`
# initial cflag from <sys/ttydefaults.h> = cread cs8 hupcl
# initial iflag, lflag and oflag all 0
# speed 9600
# special chars from <sys/ttydefaults.h>
# nothing locked
# except for serial consoles the initial iflag, lflag and oflag are from
# <sys/ttydefaults.h> and clocal is locked on.
default() {
# Reset everything changed by the other functions to initial defaults.
dc=$1; shift # device name character
drainwait=`sysctl -n kern.drainwait`
for i in $*
do
comcontrol /dev/tty${dc}${i} dtrwait 300 drainwait $drainwait
stty < /dev/tty${dc}${i}.init -clocal crtscts hupcl 9600 reprint ^R
stty < /dev/tty${dc}${i}.lock -clocal -crtscts -hupcl 0
stty < /dev/cua${dc}${i}.init -clocal crtscts hupcl 9600 reprint ^R
stty < /dev/cua${dc}${i}.lock -clocal -crtscts -hupcl 0
done
}
maybe() {
# Special settings.
dc=$1; shift
for i in $*
do
# Don't use ^R; it breaks bash's ^R when typed ahead.
stty < /dev/tty${dc}${i}.init reprint undef
stty < /dev/cua${dc}${i}.init reprint undef
# Lock clocal off on dialin device for security.
stty < /dev/tty${dc}${i}.lock clocal
# Lock the speeds to use old binaries that don't support them.
# Any legal speed works to lock the initial speed.
stty < /dev/tty${dc}${i}.lock 300
stty < /dev/cua${dc}${i}.lock 300
done
}
modem() {
# Modem that supports CTS and perhaps RTS handshaking.
dc=$1; shift
for i in $*
do
# may depend on modem
comcontrol /dev/tty${dc}${i} dtrwait 100 drainwait 180
# Lock crtscts on.
# Speed reasonable for V42bis.
stty < /dev/tty${dc}${i}.init crtscts 115200
stty < /dev/tty${dc}${i}.lock crtscts
stty < /dev/cua${dc}${i}.init crtscts 115200
stty < /dev/cua${dc}${i}.lock crtscts
done
}
mouse() {
# Mouse on either callin or callout port.
dc=$1; shift
for i in $*
do
# Lock clocal on, hupcl off.
# Standard speed for Microsoft mouse.
stty < /dev/tty${dc}${i}.init clocal -hupcl 1200
stty < /dev/tty${dc}${i}.lock clocal hupcl
stty < /dev/cua${dc}${i}.init clocal -hupcl 1200
stty < /dev/cua${dc}${i}.lock clocal hupcl
done
}
terminal() {
# Terminal that supports CTS and perhaps RTS handshaking
# with the cable or terminal arranged so that DCD is on
# at least while the terminal is on.
# Also works for bidirectional communications to another pc
# provided at most one side runs getty.
# Same as modem() except we want a faster speed and no dtrwait.
dc=$1; shift
modem ${dc} $*
for i in $*
do
comcontrol /dev/tty${dc}${i} dtrwait 0
stty < /dev/tty${dc}${i}.init 115200
stty < /dev/cua${dc}${i}.init 115200
done
}
3wire() {
# 3-wire serial terminals. These don't supply carrier, so
# clocal needs to be set, and crtscts needs to be unset.
dc=$1; shift
terminal ${dc} $*
for i in $*
do
stty < /dev/tty${dc}${i}.init clocal -crtscts
stty < /dev/cua${dc}${i}.init clocal -crtscts
done
}
# Don't use anything from this file unless you have some buggy programs
# that require it.
# Edit the functions and the examples to suit your system.
# $1 is the device identifier, and the remainder of the line
# lists the device numbers.
# Initialize assorted 8250-16550 (uart) ports.
# maybe u 0 1 2 3 4 5 6 7 8 9 a b c d e f g h i j k l m n o p q r s t u v
# mouse u 2
# modem u 1
# terminal u 0
# 3wire u 0
# Initialize all ports on a Cyclades-8yo.
# modem c 00 01 02 03 04 05 06 07
# Initialize all ports on a Cyclades-16ye.
# modem c 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f
# Initialize all ports on a Digiboard 8.
# modem D 00 01 02 03 04 05 06 07
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