xref: /dragonfly/etc/rc.d/serial (revision 7b1120e5) 
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#
29
30# PROVIDE: serial
31# REQUIRE: root
32
33. /etc/rc.subr
34dummy_rc_command "$1"
35
36# Change some defaults for serial devices.
37# Standard defaults are:
38#	dtrwait 300 drainwait `sysctl -n kern.drainwait`
39#	initial cflag from <sys/ttydefaults.h> = cread cs8 hupcl
40#	initial iflag, lflag and oflag all 0
41#	speed 9600
42#	special chars from <sys/ttydefaults.h>
43#	nothing locked
44# except for serial consoles the initial iflag, lflag and oflag are from
45# <sys/ttydefaults.h> and clocal is locked on.
46
47default() {
48	# Reset everything changed by the other functions to initial defaults.
49
50	ci=$1; shift	# call in device identifier
51	co=$1; shift	# call out device identifier
52	drainwait=`${SYSCTL_N} kern.drainwait`
53
54	for i in $*
55	do
56		comcontrol /dev/tty${ci}${i} dtrwait 300 drainwait $drainwait
57		stty < /dev/ttyi${ci}${i} -clocal crtscts hupcl 9600 reprint ^R
58		stty < /dev/ttyl${ci}${i} -clocal -crtscts -hupcl 0
59		stty < /dev/cuai${co}${i} -clocal crtscts hupcl 9600 reprint ^R
60		stty < /dev/cual${co}${i} -clocal -crtscts -hupcl 0
61	done
62}
63
64maybe() {
65	# Special settings.
66
67	ci=$1; shift
68	co=$1; shift
69
70	for i in $*
71	do
72		# Don't use ^R; it breaks bash's ^R when typed ahead.
73		stty < /dev/ttyi${ci}${i} reprint undef
74		stty < /dev/cuai${co}${i} reprint undef
75		# Lock clocal off on dialin device for security.
76		stty < /dev/ttyl${ci}${i} clocal
77		# Lock the speeds to use old binaries that don't support them.
78		# Any legal speed works to lock the initial speed.
79		stty < /dev/ttyl${ci}${i} 300
80		stty < /dev/cual${co}${i} 300
81	done
82}
83
84modem() {
85	# Modem that supports CTS and perhaps RTS handshaking.
86
87	ci=$1; shift
88	co=$1; shift
89
90	for i in $*
91	do
92		# may depend on modem
93		comcontrol /dev/tty${ci}${i} dtrwait 100 drainwait 180
94		# Lock crtscts on.
95		# Speed reasonable for V42bis.
96		stty < /dev/ttyi${ci}${i} crtscts 115200
97		stty < /dev/ttyl${ci}${i} crtscts
98		stty < /dev/cuai${co}${i} crtscts 115200
99		stty < /dev/cual${co}${i} crtscts
100	done
101}
102
103mouse() {
104	# Mouse on either callin or callout port.
105
106	ci=$1; shift
107	co=$1; shift
108
109	for i in $*
110	do
111		# Lock clocal on, hupcl off.
112		# Standard speed for Microsoft mouse.
113		stty < /dev/ttyi${ci}${i} clocal -hupcl 1200
114		stty < /dev/ttyl${ci}${i} clocal  hupcl
115		stty < /dev/cuai${co}${i} clocal -hupcl 1200
116		stty < /dev/cual${co}${i} clocal  hupcl
117	done
118}
119
120terminal() {
121	# Terminal that supports CTS and perhaps RTS handshaking
122	# with the cable or terminal arranged so that DCD is on
123	# at least while the terminal is on.
124	# Also works for bidirectional communications to another pc
125	# provided at most one side runs getty.
126	# Same as modem() except we want a faster speed and no dtrwait.
127
128	ci=$1; shift
129	co=$1; shift
130
131	modem ${ci} ${co} $*
132	for i in $*
133	do
134		comcontrol /dev/tty${ci}${i} dtrwait 0
135		stty < /dev/ttyi${ci}${i} 115200
136		stty < /dev/cuai${co}${i} 115200
137	done
138}
139
140# Don't use anything from this file unless you have some buggy programs
141# that require it.
142
143# Edit the functions and the examples to suit your system.
144# $1 is the call in device identifier, $2 is the call out device identifier
145# and the remainder of the line lists the device numbers.
146
147# Initialize assorted 8250-16550 (sio) ports.
148# 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
149# mouse    d a      2
150# modem    d a    1
151# terminal d a  0
152
153# Initialize all ports on a Cyclades-8yo.
154# modem    c c  00 01 02 03 04 05 06 07
155
156# Initialize all ports on a Cyclades-16ye.
157# modem    c c  00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f
158
159# Initialize all ports on a Digiboard 8.
160# modem    D D  00 01 02 03 04 05 06 07
161