serial revision 66830 
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 66830 2000-10-08 19:20:36Z obrien $
28#
29
30# Change some defaults for serial devices.
31# Standard defaults are:
32#	dtrwait 300 drainwait 0
33#	initial cflag from <sys/ttydefaults.h> = cread cs8 hupcl
34#	initial iflag, lflag and oflag all 0
35#	speed 9600
36#	special chars from <sys/ttydefaults.h>
37#	nothing locked
38# except for serial consoles the initial iflag, lflag and oflag are from
39# <sys/ttydefaults.h> and clocal is locked on.
40
41default() {
42	# Reset everything changed by the other functions to initial defaults.
43
44	ci=$1; shift	# call in device identifier
45	co=$1; shift	# call out device identifier
46
47	for i in $*
48	do
49		comcontrol /dev/tty${ci}${i} dtrwait 300 drainwait 0
50		stty < /dev/ttyi${ci}${i} -clocal crtscts hupcl 9600 reprint ^R
51		stty < /dev/ttyl${ci}${i} -clocal -crtscts -hupcl 0
52		stty < /dev/cuai${co}${i} -clocal crtscts hupcl 9600 reprint ^R
53		stty < /dev/cual${co}${i} -clocal -crtscts -hupcl 0
54	done
55}
56
57maybe() {
58	# Special settings.
59
60	ci=$1; shift
61	co=$1; shift
62
63	for i in $*
64	do
65		# Don't use ^R; it breaks bash's ^R when typed ahead.
66		stty < /dev/ttyi${ci}${i} reprint undef
67		stty < /dev/cuai${co}${i} reprint undef
68		# Lock clocal off on dialin device for security.
69		stty < /dev/ttyl${ci}${i} clocal
70		# Lock the speeds to use old binaries that don't support them.
71		# Any legal speed works to lock the initial speed.
72		stty < /dev/ttyl${ci}${i} 300
73		stty < /dev/cual${co}${i} 300
74	done
75}
76
77modem() {
78	# Modem that supports CTS and perhaps RTS handshaking.
79
80	ci=$1; shift
81	co=$1; shift
82
83	for i in $*
84	do
85		# may depend on modem
86		comcontrol /dev/tty${ci}${i} dtrwait 100 drainwait 180
87		# Lock crtscts on.
88		# Speed reasonable for V42bis.
89		stty < /dev/ttyi${ci}${i} crtscts 57600
90		stty < /dev/ttyl${ci}${i} crtscts
91		stty < /dev/cuai${co}${i} crtscts 57600
92		stty < /dev/cual${co}${i} crtscts
93	done
94}
95
96mouse() {
97	# Mouse on either callin or callout port.
98
99	ci=$1; shift
100	co=$1; shift
101
102	for i in $*
103	do
104		# Lock clocal on, hupcl off.
105		# Standard speed for Microsoft mouse.
106		stty < /dev/ttyi${ci}${i} clocal -hupcl 1200
107		stty < /dev/ttyl${ci}${i} clocal  hupcl
108		stty < /dev/cuai${co}${i} clocal -hupcl 1200
109		stty < /dev/cual${co}${i} clocal  hupcl
110	done
111}
112
113terminal() {
114	# Terminal that supports CTS and perhaps RTS handshaking
115	# with the cable or terminal arranged so that DCD is on
116	# at least while the terminal is on.
117	# Also works for bidirectional communications to another pc
118	# provided at most one side runs getty.
119	# Same as modem() except we want a faster speed and no dtrwait.
120
121	ci=$1; shift
122	co=$1; shift
123
124	modem ${ci} ${co} $*
125	for i in $*
126	do
127		comcontrol /dev/tty${ci}${i} dtrwait 0
128		stty < /dev/ttyi${ci}${i} 115200
129		stty < /dev/cuai${co}${i} 115200
130	done
131}
132
133# Don't use anything from this file unless you have some buggy programs
134# that require it.
135
136# Edit the functions and the examples to suit your system.
137# $1 is the call in device identifier, $2 is the call out device identifier
138# and the remainder of the line lists the device numbers.
139
140# Initialize assorted 8250-16550 (sio) ports.
141# 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
142# mouse    d a      2
143# modem    d a    1
144# terminal d a  0
145
146# Initialize all ports on a Cyclades-8yo.
147# modem    c c  00 01 02 03 04 05 06 07
148
149# Initialize all ports on a Cyclades-16ye.
150# modem    c c  00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 
151
152# Initialize all ports on a Digiboard 8.
153# modem    D D  00 01 02 03 04 05 06 07
154