serial revision 104980 
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: head/etc/rc.d/serial 104980 2002-10-12 10:31:31Z schweikh $
28#
29
30# PROVIDE: serial
31# REQUIRE: root
32# KEYWORD: FreeBSD
33
34# Change some defaults for serial devices.
35# Standard defaults are:
36#	dtrwait 300 drainwait 0
37#	initial cflag from <sys/ttydefaults.h> = cread cs8 hupcl
38#	initial iflag, lflag and oflag all 0
39#	speed 9600
40#	special chars from <sys/ttydefaults.h>
41#	nothing locked
42# except for serial consoles the initial iflag, lflag and oflag are from
43# <sys/ttydefaults.h> and clocal is locked on.
44
45default() {
46	# Reset everything changed by the other functions to initial defaults.
47
48	ci=$1; shift	# call in device identifier
49	co=$1; shift	# call out device identifier
50
51	for i in $*
52	do
53		comcontrol /dev/tty${ci}${i} dtrwait 300 drainwait 300
54		stty < /dev/ttyi${ci}${i} -clocal crtscts hupcl 9600 reprint ^R
55		stty < /dev/ttyl${ci}${i} -clocal -crtscts -hupcl 0
56		stty < /dev/cuai${co}${i} -clocal crtscts hupcl 9600 reprint ^R
57		stty < /dev/cual${co}${i} -clocal -crtscts -hupcl 0
58	done
59}
60
61maybe() {
62	# Special settings.
63
64	ci=$1; shift
65	co=$1; shift
66
67	for i in $*
68	do
69		# Don't use ^R; it breaks bash's ^R when typed ahead.
70		stty < /dev/ttyi${ci}${i} reprint undef
71		stty < /dev/cuai${co}${i} reprint undef
72		# Lock clocal off on dialin device for security.
73		stty < /dev/ttyl${ci}${i} clocal
74		# Lock the speeds to use old binaries that don't support them.
75		# Any legal speed works to lock the initial speed.
76		stty < /dev/ttyl${ci}${i} 300
77		stty < /dev/cual${co}${i} 300
78	done
79}
80
81modem() {
82	# Modem that supports CTS and perhaps RTS handshaking.
83
84	ci=$1; shift
85	co=$1; shift
86
87	for i in $*
88	do
89		# may depend on modem
90		comcontrol /dev/tty${ci}${i} dtrwait 100 drainwait 180
91		# Lock crtscts on.
92		# Speed reasonable for V42bis.
93		stty < /dev/ttyi${ci}${i} crtscts 57600
94		stty < /dev/ttyl${ci}${i} crtscts
95		stty < /dev/cuai${co}${i} crtscts 57600
96		stty < /dev/cual${co}${i} crtscts
97	done
98}
99
100mouse() {
101	# Mouse on either callin or callout port.
102
103	ci=$1; shift
104	co=$1; shift
105
106	for i in $*
107	do
108		# Lock clocal on, hupcl off.
109		# Standard speed for Microsoft mouse.
110		stty < /dev/ttyi${ci}${i} clocal -hupcl 1200
111		stty < /dev/ttyl${ci}${i} clocal  hupcl
112		stty < /dev/cuai${co}${i} clocal -hupcl 1200
113		stty < /dev/cual${co}${i} clocal  hupcl
114	done
115}
116
117terminal() {
118	# Terminal that supports CTS and perhaps RTS handshaking
119	# with the cable or terminal arranged so that DCD is on
120	# at least while the terminal is on.
121	# Also works for bidirectional communications to another pc
122	# provided at most one side runs getty.
123	# Same as modem() except we want a faster speed and no dtrwait.
124
125	ci=$1; shift
126	co=$1; shift
127
128	modem ${ci} ${co} $*
129	for i in $*
130	do
131		comcontrol /dev/tty${ci}${i} dtrwait 0
132		stty < /dev/ttyi${ci}${i} 115200
133		stty < /dev/cuai${co}${i} 115200
134	done
135}
136
137# Don't use anything from this file unless you have some buggy programs
138# that require it.
139
140# Edit the functions and the examples to suit your system.
141# $1 is the call in device identifier, $2 is the call out device identifier
142# and the remainder of the line lists the device numbers.
143
144# Initialize assorted 8250-16550 (sio) ports.
145# 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
146# mouse    d a      2
147# modem    d a    1
148# terminal d a  0
149
150# Initialize all ports on a Cyclades-8yo.
151# modem    c c  00 01 02 03 04 05 06 07
152
153# Initialize all ports on a Cyclades-16ye.
154# modem    c c  00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f
155
156# Initialize all ports on a Digiboard 8.
157# modem    D D  00 01 02 03 04 05 06 07
158