705aad98c6
asserted. Some development boards for example will reset on DTR, and some radio interfaces will transmit on RTS. This patch allows "stty -f /dev/ttyu9.init -rtsdtr" to prevent RTS and DTR from being asserted on open(), allowing these devices to be used without problems. Reviewed by: imp Differential Revision: https://reviews.freebsd.org/D20031
232 lines
7.6 KiB
C
232 lines
7.6 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1988, 1989, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)termios.h 8.3 (Berkeley) 3/28/94
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* $FreeBSD$
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*/
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#ifndef _SYS__TERMIOS_H_
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#define _SYS__TERMIOS_H_
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/*
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* Special Control Characters
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*
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* Index into c_cc[] character array.
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*
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* Name Subscript Enabled by
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*/
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#define VEOF 0 /* ICANON */
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#define VEOL 1 /* ICANON */
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#if __BSD_VISIBLE
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#define VEOL2 2 /* ICANON together with IEXTEN */
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#endif
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#define VERASE 3 /* ICANON */
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#if __BSD_VISIBLE
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#define VWERASE 4 /* ICANON together with IEXTEN */
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#endif
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#define VKILL 5 /* ICANON */
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#if __BSD_VISIBLE
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#define VREPRINT 6 /* ICANON together with IEXTEN */
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#define VERASE2 7 /* ICANON */
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#endif
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/* 7 ex-spare 1 */
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#define VINTR 8 /* ISIG */
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#define VQUIT 9 /* ISIG */
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#define VSUSP 10 /* ISIG */
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#if __BSD_VISIBLE
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#define VDSUSP 11 /* ISIG together with IEXTEN */
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#endif
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#define VSTART 12 /* IXON, IXOFF */
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#define VSTOP 13 /* IXON, IXOFF */
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#if __BSD_VISIBLE
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#define VLNEXT 14 /* IEXTEN */
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#define VDISCARD 15 /* IEXTEN */
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#endif
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#define VMIN 16 /* !ICANON */
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#define VTIME 17 /* !ICANON */
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#if __BSD_VISIBLE
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#define VSTATUS 18 /* ICANON together with IEXTEN */
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/* 19 spare 2 */
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#endif
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#define NCCS 20
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#define _POSIX_VDISABLE 0xff
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/*
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* Input flags - software input processing
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*/
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#define IGNBRK 0x00000001 /* ignore BREAK condition */
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#define BRKINT 0x00000002 /* map BREAK to SIGINTR */
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#define IGNPAR 0x00000004 /* ignore (discard) parity errors */
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#define PARMRK 0x00000008 /* mark parity and framing errors */
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#define INPCK 0x00000010 /* enable checking of parity errors */
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#define ISTRIP 0x00000020 /* strip 8th bit off chars */
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#define INLCR 0x00000040 /* map NL into CR */
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#define IGNCR 0x00000080 /* ignore CR */
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#define ICRNL 0x00000100 /* map CR to NL (ala CRMOD) */
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#define IXON 0x00000200 /* enable output flow control */
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#define IXOFF 0x00000400 /* enable input flow control */
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#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200809
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#define IXANY 0x00000800 /* any char will restart after stop */
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#endif
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#if __BSD_VISIBLE
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#define IMAXBEL 0x00002000 /* ring bell on input queue full */
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#endif
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/*
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* Output flags - software output processing
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*/
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#define OPOST 0x00000001 /* enable following output processing */
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#if __XSI_VISIBLE
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#define ONLCR 0x00000002 /* map NL to CR-NL (ala CRMOD) */
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#endif
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#if __BSD_VISIBLE
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#define TABDLY 0x00000004 /* tab delay mask */
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#define TAB0 0x00000000 /* no tab delay and expansion */
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#define TAB3 0x00000004 /* expand tabs to spaces */
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#define ONOEOT 0x00000008 /* discard EOT's (^D) on output) */
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#endif
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#if __XSI_VISIBLE
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#define OCRNL 0x00000010 /* map CR to NL on output */
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#define ONOCR 0x00000020 /* no CR output at column 0 */
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#define ONLRET 0x00000040 /* NL performs CR function */
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#endif
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/*
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* Control flags - hardware control of terminal
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*/
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#if __BSD_VISIBLE
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#define CIGNORE 0x00000001 /* ignore control flags */
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#endif
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#define CSIZE 0x00000300 /* character size mask */
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#define CS5 0x00000000 /* 5 bits (pseudo) */
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#define CS6 0x00000100 /* 6 bits */
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#define CS7 0x00000200 /* 7 bits */
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#define CS8 0x00000300 /* 8 bits */
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#define CSTOPB 0x00000400 /* send 2 stop bits */
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#define CREAD 0x00000800 /* enable receiver */
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#define PARENB 0x00001000 /* parity enable */
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#define PARODD 0x00002000 /* odd parity, else even */
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#define HUPCL 0x00004000 /* hang up on last close */
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#define CLOCAL 0x00008000 /* ignore modem status lines */
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#if __BSD_VISIBLE
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#define CCTS_OFLOW 0x00010000 /* CTS flow control of output */
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#define CRTSCTS (CCTS_OFLOW | CRTS_IFLOW)
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#define CRTS_IFLOW 0x00020000 /* RTS flow control of input */
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#define CDTR_IFLOW 0x00040000 /* DTR flow control of input */
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#define CDSR_OFLOW 0x00080000 /* DSR flow control of output */
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#define CCAR_OFLOW 0x00100000 /* DCD flow control of output */
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#define CNO_RTSDTR 0x00200000 /* Do not assert RTS or DTR automatically */
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#endif
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/*
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* "Local" flags - dumping ground for other state
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*
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* Warning: some flags in this structure begin with
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* the letter "I" and look like they belong in the
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* input flag.
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*/
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#if __BSD_VISIBLE
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#define ECHOKE 0x00000001 /* visual erase for line kill */
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#endif
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#define ECHOE 0x00000002 /* visually erase chars */
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#define ECHOK 0x00000004 /* echo NL after line kill */
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#define ECHO 0x00000008 /* enable echoing */
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#define ECHONL 0x00000010 /* echo NL even if ECHO is off */
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#if __BSD_VISIBLE
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#define ECHOPRT 0x00000020 /* visual erase mode for hardcopy */
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#define ECHOCTL 0x00000040 /* echo control chars as ^(Char) */
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#endif
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#define ISIG 0x00000080 /* enable signals INTR, QUIT, [D]SUSP */
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#define ICANON 0x00000100 /* canonicalize input lines */
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#if __BSD_VISIBLE
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#define ALTWERASE 0x00000200 /* use alternate WERASE algorithm */
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#endif
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#define IEXTEN 0x00000400 /* enable DISCARD and LNEXT */
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#define EXTPROC 0x00000800 /* external processing */
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#define TOSTOP 0x00400000 /* stop background jobs from output */
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#if __BSD_VISIBLE
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#define FLUSHO 0x00800000 /* output being flushed (state) */
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#define NOKERNINFO 0x02000000 /* no kernel output from VSTATUS */
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#define PENDIN 0x20000000 /* XXX retype pending input (state) */
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#endif
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#define NOFLSH 0x80000000 /* don't flush after interrupt */
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/*
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* Standard speeds
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*/
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#define B0 0
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#define B50 50
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#define B75 75
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#define B110 110
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#define B134 134
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#define B150 150
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#define B200 200
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#define B300 300
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#define B600 600
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#define B1200 1200
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#define B1800 1800
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#define B2400 2400
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#define B4800 4800
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#define B9600 9600
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#define B19200 19200
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#define B38400 38400
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#if __BSD_VISIBLE
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#define B7200 7200
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#define B14400 14400
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#define B28800 28800
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#define B57600 57600
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#define B76800 76800
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#define B115200 115200
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#define B230400 230400
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#define B460800 460800
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#define B921600 921600
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#define EXTA 19200
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#define EXTB 38400
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#endif
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typedef unsigned int tcflag_t;
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typedef unsigned char cc_t;
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typedef unsigned int speed_t;
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struct termios {
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tcflag_t c_iflag; /* input flags */
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tcflag_t c_oflag; /* output flags */
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tcflag_t c_cflag; /* control flags */
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tcflag_t c_lflag; /* local flags */
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cc_t c_cc[NCCS]; /* control chars */
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speed_t c_ispeed; /* input speed */
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speed_t c_ospeed; /* output speed */
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};
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#endif /* !_SYS__TERMIOS_H_ */
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