etc/rc.d/serial

   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 1.4 2005/11/19 21:47:32 swildner Exp $
  29 #
  30
  31 # PROVIDE: serial
  32 # REQUIRE: root
  33
  34 . /etc/rc.subr
  35 dummy_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 9600
  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
  48 default() {
  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}${i} -clocal crtscts hupcl 9600 reprint ^R
  59                 stty < /dev/ttyl${ci}${i} -clocal -crtscts -hupcl 0
  60                 stty < /dev/cuai${co}${i} -clocal crtscts hupcl 9600 reprint ^R
  61                 stty < /dev/cual${co}${i} -clocal -crtscts -hupcl 0
  62         done
  63 }
  64
  65 maybe() {
  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
  85 modem() {
  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
 104 mouse() {
 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
 121 terminal() {
 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