xref: /dragonfly/etc/rc.d/serial (revision 7485684f)
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: FILESYSTEMS
32# BEFORE:  NETWORKING
33
34. /etc/rc.subr
35dummy_rc_command "$1"
36
37# Change some defaults for serial devices.
38# Standard defaults are:
39#	dtrwait 300 drainwait `sysctl -n kern.drainwait`
40#	initial cflag from <sys/ttydefaults.h> = cread cs8 hupcl
41#	initial iflag, lflag and oflag all 0
42#	speed 115200
43#	special chars from <sys/ttydefaults.h>
44#	nothing locked
45# except for serial consoles the initial iflag, lflag and oflag are from
46# <sys/ttydefaults.h> and clocal is locked on.
47
48default() {
49	# Reset everything changed by the other functions to initial defaults.
50
51	ci=$1; shift	# call in device identifier
52	co=$1; shift	# call out device identifier
53	drainwait=`${SYSCTL_N} kern.drainwait`
54
55	for i in $*
56	do
57		comcontrol /dev/tty${ci}${i} dtrwait 300 drainwait $drainwait
58		stty < /dev/ttyi${ci}${i} -clocal crtscts hupcl 115200 reprint ^R
59		stty < /dev/ttyl${ci}${i} -clocal -crtscts -hupcl 0
60		stty < /dev/cuai${co}${i} -clocal crtscts hupcl 115200 reprint ^R
61		stty < /dev/cual${co}${i} -clocal -crtscts -hupcl 0
62	done
63}
64
65maybe() {
66	# Special settings.
67
68	ci=$1; shift
69	co=$1; shift
70
71	for i in $*
72	do
73		# Don't use ^R; it breaks bash's ^R when typed ahead.
74		stty < /dev/ttyi${ci}${i} reprint undef
75		stty < /dev/cuai${co}${i} reprint undef
76		# Lock clocal off on dialin device for security.
77		stty < /dev/ttyl${ci}${i} clocal
78		# Lock the speeds to use old binaries that don't support them.
79		# Any legal speed works to lock the initial speed.
80		stty < /dev/ttyl${ci}${i} 300
81		stty < /dev/cual${co}${i} 300
82	done
83}
84
85modem() {
86	# Modem that supports CTS and perhaps RTS handshaking.
87
88	ci=$1; shift
89	co=$1; shift
90
91	for i in $*
92	do
93		# may depend on modem
94		comcontrol /dev/tty${ci}${i} dtrwait 100 drainwait 180
95		# Lock crtscts on.
96		# Speed reasonable for V42bis.
97		stty < /dev/ttyi${ci}${i} crtscts 115200
98		stty < /dev/ttyl${ci}${i} crtscts
99		stty < /dev/cuai${co}${i} crtscts 115200
100		stty < /dev/cual${co}${i} crtscts
101	done
102}
103
104mouse() {
105	# Mouse on either callin or callout port.
106
107	ci=$1; shift
108	co=$1; shift
109
110	for i in $*
111	do
112		# Lock clocal on, hupcl off.
113		# Standard speed for Microsoft mouse.
114		stty < /dev/ttyi${ci}${i} clocal -hupcl 1200
115		stty < /dev/ttyl${ci}${i} clocal  hupcl
116		stty < /dev/cuai${co}${i} clocal -hupcl 1200
117		stty < /dev/cual${co}${i} clocal  hupcl
118	done
119}
120
121terminal() {
122	# Terminal that supports CTS and perhaps RTS handshaking
123	# with the cable or terminal arranged so that DCD is on
124	# at least while the terminal is on.
125	# Also works for bidirectional communications to another pc
126	# provided at most one side runs getty.
127	# Same as modem() except we want a faster speed and no dtrwait.
128
129	ci=$1; shift
130	co=$1; shift
131
132	modem ${ci} ${co} $*
133	for i in $*
134	do
135		comcontrol /dev/tty${ci}${i} dtrwait 0
136		stty < /dev/ttyi${ci}${i} 115200
137		stty < /dev/cuai${co}${i} 115200
138	done
139}
140
141# Don't use anything from this file unless you have some buggy programs
142# that require it.
143
144# Edit the functions and the examples to suit your system.
145# $1 is the call in device identifier, $2 is the call out device identifier
146# and the remainder of the line lists the device numbers.
147
148# Initialize assorted 8250-16550 (sio) ports.
149# 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
150# mouse    d a      2
151# modem    d a    1
152# terminal d a  0
153
154# Initialize all ports on a Cyclades-8yo.
155# modem    c c  00 01 02 03 04 05 06 07
156
157# Initialize all ports on a Cyclades-16ye.
158# modem    c c  00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f
159
160# Initialize all ports on a Digiboard 8.
161# modem    D D  00 01 02 03 04 05 06 07
162