xref: /dragonfly/etc/rc.d/serial (revision 1d1731fa) 
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