gcc/m2/gm2-libs/termios.def

   1 (* termios.def provides a procedural interface to termios.
   2
   3 Copyright (C) 2005-2021 Free Software Foundation, Inc.
   4 Contributed by Gaius Mulley <gaius.mulley@southwales.ac.uk>.
   5
   6 This file is part of GNU Modula-2.
   7
   8 GNU Modula-2 is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GNU Modula-2 is distributed in the hope that it will be useful, but
  14 WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16 General Public License for more details.
  17
  18 Under Section 7 of GPL version 3, you are granted additional
  19 permissions described in the GCC Runtime Library Exception, version
  20 3.1, as published by the Free Software Foundation.
  21
  22 You should have received a copy of the GNU General Public License and
  23 a copy of the GCC Runtime Library Exception along with this program;
  24 see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
  25 <http://www.gnu.org/licenses/>.  *)
  26
  27 DEFINITION MODULE termios ;
  28
  29 FROM SYSTEM IMPORT ADDRESS ;
  30
  31 TYPE
  32    TERMIOS = ADDRESS ;
  33
  34    ControlChar = (vintr, vquit, verase, vkill, veof, vtime, vmin,
  35                   vswtc, vstart, vstop, vsusp, veol, vreprint, vdiscard,
  36                   vwerase, vlnext, veol2) ;
  37
  38    Flag = (
  39            (* input flag bits *)
  40            ignbrk, ibrkint, ignpar, iparmrk, inpck, istrip, inlcr,
  41            igncr, icrnl, iuclc, ixon, ixany, ixoff, imaxbel,
  42            (* output flag bits *)
  43            opost, olcuc, onlcr, ocrnl, onocr, onlret, ofill, ofdel,
  44            onl0, onl1, ocr0, ocr1, ocr2, ocr3,
  45            otab0, otab1, otab2, otab3, obs0, obs1, off0, off1, ovt0, ovt1,
  46            (* baud rate *)
  47            b0, b50, b75, b110, b135, b150, b200, b300, b600, b1200,
  48            b1800, b2400, b4800, b9600, b19200, b38400,
  49            b57600, b115200, b240400, b460800, b500000, b576000,
  50            b921600, b1000000, b1152000, b1500000, b2000000, b2500000,
  51            b3000000, b3500000, b4000000, maxbaud, crtscts,
  52            (* character size *)
  53            cs5, cs6, cs7, cs8, cstopb, cread, parenb, parodd, hupcl, clocal,
  54            (* local flags *)
  55            lisig, licanon, lxcase, lecho, lechoe, lechok, lechonl, lnoflsh,
  56            ltopstop, lechoctl, lechoprt, lechoke, lflusho, lpendin, liexten) ;
  57
  58
  59 (*
  60    InitTermios - new data structure.
  61 *)
  62
  63 PROCEDURE InitTermios () : TERMIOS ;
  64
  65
  66 (*
  67    KillTermios - delete data structure.
  68 *)
  69
  70 PROCEDURE KillTermios (t: TERMIOS) : TERMIOS ;
  71
  72
  73 (*
  74    cfgetospeed - return output baud rate.
  75 *)
  76
  77 PROCEDURE cfgetospeed (t: TERMIOS) : INTEGER ;
  78
  79
  80 (*
  81    cfgetispeed - return input baud rate.
  82 *)
  83
  84 PROCEDURE cfgetispeed (t: TERMIOS) : INTEGER ;
  85
  86
  87 (*
  88    cfsetospeed - set output baud rate.
  89 *)
  90
  91 PROCEDURE cfsetospeed (t: TERMIOS; b: CARDINAL) : INTEGER ;
  92
  93
  94 (*
  95    cfsetispeed - set input baud rate.
  96 *)
  97
  98 PROCEDURE cfsetispeed (t: TERMIOS; b: CARDINAL) : INTEGER ;
  99
 100
 101 (*
 102    cfsetspeed - set input and output baud rate.
 103 *)
 104
 105 PROCEDURE cfsetspeed (t: TERMIOS; b: CARDINAL) : INTEGER ;
 106
 107
 108 (*
 109    tcgetattr - get state of, fd, into, t.
 110 *)
 111
 112 PROCEDURE tcgetattr (fd: INTEGER; t: TERMIOS) : INTEGER ;
 113
 114
 115 (*
 116    The following three functions return the different option values.
 117 *)
 118
 119 PROCEDURE tcsnow () : INTEGER ;   (* alter fd now *)
 120 PROCEDURE tcsdrain () : INTEGER ; (* alter when all output has been sent *)
 121 PROCEDURE tcsflush () : INTEGER ; (* like drain, except discard any pending input *)
 122
 123
 124 (*
 125    tcsetattr - set state of, fd, to, t, using option.
 126 *)
 127
 128 PROCEDURE tcsetattr (fd: INTEGER; option: INTEGER; t: TERMIOS) : INTEGER ;
 129
 130
 131 (*
 132    cfmakeraw - sets, t, to raw mode.
 133 *)
 134
 135 PROCEDURE cfmakeraw (t: TERMIOS) ;
 136
 137
 138 (*
 139    tcsendbreak - send zero bits for duration.
 140 *)
 141
 142 PROCEDURE tcsendbreak (fd: INTEGER; duration: INTEGER) : INTEGER ;
 143
 144
 145 (*
 146    tcdrain - waits for pending output to be written on, fd.
 147 *)
 148
 149 PROCEDURE tcdrain (fd: INTEGER) : INTEGER ;
 150
 151
 152 (*
 153    tcflushi - flush input.
 154 *)
 155
 156 PROCEDURE tcflushi (fd: INTEGER) : INTEGER ;
 157
 158
 159 (*
 160    tcflusho - flush output.
 161 *)
 162
 163 PROCEDURE tcflusho (fd: INTEGER) : INTEGER ;
 164
 165
 166 (*
 167    tcflushio - flush input and output.
 168 *)
 169
 170 PROCEDURE tcflushio (fd: INTEGER) : INTEGER ;
 171
 172
 173 (*
 174    tcflowoni - restart input on, fd.
 175 *)
 176
 177 PROCEDURE tcflowoni (fd: INTEGER) : INTEGER ;
 178
 179
 180 (*
 181    tcflowoffi - stop input on, fd.
 182 *)
 183
 184 PROCEDURE tcflowoffi (fd: INTEGER) : INTEGER ;
 185
 186
 187 (*
 188    tcflowono - restart output on, fd.
 189 *)
 190
 191 PROCEDURE tcflowono (fd: INTEGER) : INTEGER ;
 192
 193
 194 (*
 195    tcflowoffo - stop output on, fd.
 196 *)
 197
 198 PROCEDURE tcflowoffo (fd: INTEGER) : INTEGER ;
 199
 200
 201 (*
 202    GetFlag - sets a flag value from, t, in, b, and returns TRUE
 203              if, t, supports, f.
 204 *)
 205
 206 PROCEDURE GetFlag (t: TERMIOS; f: Flag; VAR b: BOOLEAN) : BOOLEAN ;
 207
 208
 209 (*
 210    SetFlag - sets a flag value in, t, to, b, and returns TRUE if
 211              this flag value is supported.
 212 *)
 213
 214 PROCEDURE SetFlag (t: TERMIOS; f: Flag; b: BOOLEAN) : BOOLEAN ;
 215
 216
 217 (*
 218    GetChar - sets a CHAR, ch, value from, t, and returns TRUE if
 219              this value is supported.
 220 *)
 221
 222 PROCEDURE GetChar (t: TERMIOS; c: ControlChar; VAR ch: CHAR) : BOOLEAN ;
 223
 224
 225 (*
 226    SetChar - sets a CHAR value in, t, and returns TRUE if, c,
 227              is supported.
 228 *)
 229
 230 PROCEDURE SetChar (t: TERMIOS; c: ControlChar; ch: CHAR) : BOOLEAN ;
 231
 232
 233 END termios.