diff options
Diffstat (limited to 'libexec/rc/rc.d/serial')
| -rwxr-xr-x | libexec/rc/rc.d/serial | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/libexec/rc/rc.d/serial b/libexec/rc/rc.d/serial new file mode 100755 index 000000000000..ea60c8aa77da --- /dev/null +++ b/libexec/rc/rc.d/serial @@ -0,0 +1,167 @@ +#!/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. +# +# + +# 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 115200 +# 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}${i}.init -clocal crtscts hupcl 115200 reprint ^R + stty < /dev/tty${dc}${i}.lock -clocal -crtscts -hupcl 0 + stty < /dev/cua${dc}${i}.init -clocal crtscts hupcl 115200 reprint ^R + stty < /dev/cua${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 |