1#!/bin/sh 2# 3# Copyright (c) 1996 Andrey A. Chernov 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 1. Redistributions of source code must retain the above copyright 10# notice, this list of conditions and the following disclaimer. 11# 2. Redistributions in binary form must reproduce the above copyright 12# notice, this list of conditions and the following disclaimer in the 13# documentation and/or other materials provided with the distribution. 14# 15# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25# SUCH DAMAGE. 26# 27# $FreeBSD: src/etc/rc.d/serial,v 1.20 2003/05/05 03:26:50 bde Exp $ 28# $DragonFly: src/etc/rc.d/serial,v 1.1 2003/07/24 06:35:37 dillon Exp $ 29# 30 31# PROVIDE: serial 32# REQUIRE: root 33# KEYWORD: DragonFly FreeBSD 34 35# Change some defaults for serial devices. 36# Standard defaults are: 37# dtrwait 300 drainwait `sysctl -n kern.drainwait` 38# initial cflag from <sys/ttydefaults.h> = cread cs8 hupcl 39# initial iflag, lflag and oflag all 0 40# speed 9600 41# special chars from <sys/ttydefaults.h> 42# nothing locked 43# except for serial consoles the initial iflag, lflag and oflag are from 44# <sys/ttydefaults.h> and clocal is locked on. 45 46default() { 47 # Reset everything changed by the other functions to initial defaults. 48 49 ci=$1; shift # call in device identifier 50 co=$1; shift # call out device identifier 51 drainwait=`sysctl -n kern.drainwait` 52 53 for i in $* 54 do 55 comcontrol /dev/tty${ci}${i} dtrwait 300 drainwait $drainwait 56 stty < /dev/ttyi${ci}${i} -clocal crtscts hupcl 9600 reprint ^R 57 stty < /dev/ttyl${ci}${i} -clocal -crtscts -hupcl 0 58 stty < /dev/cuai${co}${i} -clocal crtscts hupcl 9600 reprint ^R 59 stty < /dev/cual${co}${i} -clocal -crtscts -hupcl 0 60 done 61} 62 63maybe() { 64 # Special settings. 65 66 ci=$1; shift 67 co=$1; shift 68 69 for i in $* 70 do 71 # Don't use ^R; it breaks bash's ^R when typed ahead. 72 stty < /dev/ttyi${ci}${i} reprint undef 73 stty < /dev/cuai${co}${i} reprint undef 74 # Lock clocal off on dialin device for security. 75 stty < /dev/ttyl${ci}${i} clocal 76 # Lock the speeds to use old binaries that don't support them. 77 # Any legal speed works to lock the initial speed. 78 stty < /dev/ttyl${ci}${i} 300 79 stty < /dev/cual${co}${i} 300 80 done 81} 82 83modem() { 84 # Modem that supports CTS and perhaps RTS handshaking. 85 86 ci=$1; shift 87 co=$1; shift 88 89 for i in $* 90 do 91 # may depend on modem 92 comcontrol /dev/tty${ci}${i} dtrwait 100 drainwait 180 93 # Lock crtscts on. 94 # Speed reasonable for V42bis. 95 stty < /dev/ttyi${ci}${i} crtscts 115200 96 stty < /dev/ttyl${ci}${i} crtscts 97 stty < /dev/cuai${co}${i} crtscts 115200 98 stty < /dev/cual${co}${i} crtscts 99 done 100} 101 102mouse() { 103 # Mouse on either callin or callout port. 104 105 ci=$1; shift 106 co=$1; shift 107 108 for i in $* 109 do 110 # Lock clocal on, hupcl off. 111 # Standard speed for Microsoft mouse. 112 stty < /dev/ttyi${ci}${i} clocal -hupcl 1200 113 stty < /dev/ttyl${ci}${i} clocal hupcl 114 stty < /dev/cuai${co}${i} clocal -hupcl 1200 115 stty < /dev/cual${co}${i} clocal hupcl 116 done 117} 118 119terminal() { 120 # Terminal that supports CTS and perhaps RTS handshaking 121 # with the cable or terminal arranged so that DCD is on 122 # at least while the terminal is on. 123 # Also works for bidirectional communications to another pc 124 # provided at most one side runs getty. 125 # Same as modem() except we want a faster speed and no dtrwait. 126 127 ci=$1; shift 128 co=$1; shift 129 130 modem ${ci} ${co} $* 131 for i in $* 132 do 133 comcontrol /dev/tty${ci}${i} dtrwait 0 134 stty < /dev/ttyi${ci}${i} 115200 135 stty < /dev/cuai${co}${i} 115200 136 done 137} 138 139# Don't use anything from this file unless you have some buggy programs 140# that require it. 141 142# Edit the functions and the examples to suit your system. 143# $1 is the call in device identifier, $2 is the call out device identifier 144# and the remainder of the line lists the device numbers. 145 146# Initialize assorted 8250-16550 (sio) ports. 147# maybe d a 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 148# mouse d a 2 149# modem d a 1 150# terminal d a 0 151 152# Initialize all ports on a Cyclades-8yo. 153# modem c c 00 01 02 03 04 05 06 07 154 155# Initialize all ports on a Cyclades-16ye. 156# modem c c 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 157 158# Initialize all ports on a Digiboard 8. 159# modem D D 00 01 02 03 04 05 06 07 160