368 lines
7.7 KiB
C
368 lines
7.7 KiB
C
/*
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* Copyright (c) 1988, 1993
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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/*
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* Taught to send *real* morse by Lyndon Nerenberg (VE7TCP/VE6BBM)
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* <lyndon@orthanc.com>
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*/
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#ifndef lint
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static char copyright[] =
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"@(#) Copyright (c) 1988, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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static char sccsid[] = "@(#)morse.c 8.1 (Berkeley) 5/31/93";
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#endif /* not lint */
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#include <stdio.h>
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#include <ctype.h>
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#include <locale.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef SPEAKER
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#include <machine/speaker.h>
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#include <fcntl.h>
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#endif
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struct morsetab {
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char inchar;
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char *morse;
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};
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static struct morsetab mtab[] = {
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/* letters */
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'a', ".-",
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'b', "-...",
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'c', "-.-.",
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'd', "-..",
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'e', ".",
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'f', "..-.",
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'g', "--.",
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'h', "....",
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'i', "..",
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'j', ".---",
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'k', "-.-",
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'l', ".-..",
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'm', "--",
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'n', "-.",
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'o', "---",
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'p', ".--.",
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'q', "--.-",
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'r', ".-.",
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's', "...",
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't', "-",
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'u', "..-",
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'v', "...-",
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'w', ".--",
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'x', "-..-",
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'y', "-.--",
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'z', "--..",
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/* digits */
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'0', "-----",
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'1', ".----",
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'2', "..---",
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'3', "...--",
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'4', "....-",
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'5', ".....",
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'6', "-....",
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'7', "--...",
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'8', "---..",
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'9', "----.",
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/* punctuation */
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',', "--..--",
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'.', ".-.-.-",
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'?', "..--..",
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'/', "-..-.",
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'-', "-....-",
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'=', "-...-", /* BT */
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':', "---...",
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';', "-.-.-.",
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'(', "-.--.", /* KN */
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')', "-.--.-",
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'$', "...-..-",
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'+', ".-.-.", /* AR */
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/* prosigns without already assigned values */
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'#', ".-...", /* AS */
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'@', "...-.-", /* SK */
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'*', "...-.", /* VE */
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'%', "-...-.-", /* BK */
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'\0', ""
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};
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static struct morsetab iso8859tab[] = {
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'<EFBFBD>', ".--.-",
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'<EFBFBD>', ".--.-",
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'<EFBFBD>', ".--.-",
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'<EFBFBD>', ".-.-",
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'<EFBFBD>', "-.-..",
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'<EFBFBD>', "..-..",
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'<EFBFBD>', "..-..",
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'<EFBFBD>', "-..-.",
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'<EFBFBD>', "---.",
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'<EFBFBD>', "..--",
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'\0', ""
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};
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static struct morsetab koi8rtab[] = {
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/*
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* the cyrillic alphabet; you'll need a KOI8R font in order
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* to see the actual characters
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*/
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'<EFBFBD>', ".-", /* a */
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'<EFBFBD>', "-...", /* be */
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'<EFBFBD>', ".--", /* ve */
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'<EFBFBD>', "--.", /* ge */
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'<EFBFBD>', "-..", /* de */
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'<EFBFBD>', ".", /* ye */
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'<EFBFBD>', ".", /* yo, the same as ye */
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'<EFBFBD>', "...-", /* she */
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'<EFBFBD>', "--..", /* ze */
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'<EFBFBD>', "..", /* i */
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'<EFBFBD>', ".---", /* i kratkoye */
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'<EFBFBD>', "-.-", /* ka */
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'<EFBFBD>', ".-..", /* el */
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'<EFBFBD>', "--", /* em */
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'<EFBFBD>', "-.", /* en */
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'<EFBFBD>', "---", /* o */
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'<EFBFBD>', ".--.", /* pe */
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'<EFBFBD>', ".-.", /* er */
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'<EFBFBD>', "...", /* es */
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'<EFBFBD>', "-", /* te */
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'<EFBFBD>', "..-", /* u */
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'<EFBFBD>', "..-.", /* ef */
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'<EFBFBD>', "....", /* kha */
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'<EFBFBD>', "-.-.", /* ce */
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'<EFBFBD>', "---.", /* che */
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'<EFBFBD>', "----", /* sha */
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'<EFBFBD>', "--.-", /* shcha */
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'<EFBFBD>', "-.--", /* yi */
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'<EFBFBD>', "-..-", /* myakhkij znak */
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'<EFBFBD>', "..-..", /* ae */
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'<EFBFBD>', "..--", /* yu */
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'<EFBFBD>', ".-.-", /* ya */
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'\0', ""
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};
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void show(const char *), play(const char *), morse(char);
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static int pflag, sflag;
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static int wpm = 20; /* words per minute */
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#define FREQUENCY 600
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static int freq = FREQUENCY;
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#ifdef SPEAKER
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#define DASH_LEN 3
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#define CHAR_SPACE 3
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#define WORD_SPACE (7 - CHAR_SPACE - 1)
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static float dot_clock;
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int spkr;
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tone_t sound;
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#endif
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static struct morsetab *hightab = iso8859tab;
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int
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main(int argc, char **argv)
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{
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extern char *optarg;
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extern int optind;
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register int ch;
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register char *p;
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while ((ch = getopt(argc, argv, "spw:f:")) != -1)
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switch ((char) ch) {
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case 'f':
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freq = atoi(optarg);
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break;
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case 'p':
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pflag = 1;
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break;
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case 's':
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sflag = 1;
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break;
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case 'w':
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wpm = atoi(optarg);
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break;
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case '?':
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default:
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fputs("usage: morse [-s] [-p] [-w speed] [-f frequency] [string ...]\n", stderr);
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exit(1);
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}
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if (pflag && sflag) {
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fputs("morse: only one of -p and -s allowed\n", stderr);
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exit(1);
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}
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if (pflag && ((wpm < 1) || (wpm > 60))) {
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fputs("morse: insane speed\n", stderr);
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exit(1);
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}
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if (pflag && (freq == 0))
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freq = FREQUENCY;
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#ifdef SPEAKER
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if (pflag) {
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if ((spkr = open(SPEAKER, O_WRONLY, 0)) == -1) {
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perror(SPEAKER);
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exit(1);
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}
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dot_clock = wpm / 2.4; /* dots/sec */
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dot_clock = 1 / dot_clock; /* duration of a dot */
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dot_clock = dot_clock / 2; /* dot_clock runs at twice */
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/* the dot rate */
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dot_clock = dot_clock * 100; /* scale for ioctl */
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}
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#endif
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argc -= optind;
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argv += optind;
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if((p = getenv("LC_CTYPE")) ||
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(p = getenv("LC_ALL")) ||
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(p = getenv("LANG"))) {
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if(strlen(p) >= sizeof(".KOI8-R") &&
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strcasecmp(&p[strlen(p) + 1 - sizeof(".KOI8-R")], ".KOI8-R") == 0)
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hightab = koi8rtab;
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}
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(void) setlocale(LC_CTYPE, "");
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if (*argv) {
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do {
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for (p = *argv; *p; ++p) {
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morse(*p);
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}
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morse(' ');
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} while (*++argv);
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} else {
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while ((ch = getchar()) != EOF)
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morse(ch);
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}
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exit(0);
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}
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void
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morse(char c)
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{
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struct morsetab *m;
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if (isalpha((unsigned char)c))
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c = tolower((unsigned char)c);
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if ((c == '\r') || (c == '\n'))
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c = ' ';
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if (c == ' ') {
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if (pflag) {
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play(" ");
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return;
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} else {
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show("");
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return;
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}
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}
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for (m = ((unsigned char)c < 0x80? mtab: hightab);
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m->inchar != '\0';
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m++) {
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if (m->inchar == c) {
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if (pflag) {
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play(m->morse);
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} else
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show(m->morse);
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}
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}
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}
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void
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show(const char *s)
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{
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if (sflag)
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printf(" %s", s);
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else
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for (; *s; ++s)
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printf(" %s", *s == '.' ? "dit" : "dah");
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printf("\n");
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}
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void
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play(const char *s)
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{
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#ifdef SPEAKER
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const char *c;
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for (c = s; *c != '\0'; c++) {
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switch (*c) {
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case '.':
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sound.frequency = freq;
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sound.duration = dot_clock;
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break;
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case '-':
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sound.frequency = freq;
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sound.duration = dot_clock * DASH_LEN;
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break;
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case ' ':
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sound.frequency = 0;
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sound.duration = dot_clock * WORD_SPACE;
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break;
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default:
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sound.duration = 0;
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}
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if (sound.duration) {
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if (ioctl(spkr, SPKRTONE, &sound) == -1) {
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perror("ioctl play");
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exit(1);
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}
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}
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sound.frequency = 0;
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sound.duration = dot_clock;
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if (ioctl(spkr, SPKRTONE, &sound) == -1) {
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perror("ioctl rest");
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exit(1);
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}
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}
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sound.frequency = 0;
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sound.duration = dot_clock * CHAR_SPACE;
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ioctl(spkr, SPKRTONE, &sound);
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#endif
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}
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