295 lines
9.1 KiB
C
295 lines
9.1 KiB
C
/*
|
|
* Asterisk -- An open source telephony toolkit.
|
|
*
|
|
* Copyright (c) 2006, Tilghman Lesher. All rights reserved.
|
|
*
|
|
* Updated by Naveen Albert <asterisk@phreaknet.org>
|
|
*
|
|
* Tilghman Lesher <app_morsecode__v001@the-tilghman.com>
|
|
*
|
|
* This code is released by the author with no restrictions on usage.
|
|
*
|
|
* See http://www.asterisk.org for more information about
|
|
* the Asterisk project. Please do not directly contact
|
|
* any of the maintainers of this project for assistance;
|
|
* the project provides a web site, mailing lists and IRC
|
|
* channels for your use.
|
|
*
|
|
*/
|
|
|
|
/*! \file
|
|
*
|
|
* \brief Morsecode application
|
|
*
|
|
* \author Tilghman Lesher <app_morsecode__v001@the-tilghman.com>
|
|
* \author Naveen Albert <asterisk@phreaknet.org>
|
|
*
|
|
* \ingroup applications
|
|
*/
|
|
|
|
/*** MODULEINFO
|
|
<support_level>extended</support_level>
|
|
***/
|
|
|
|
#include "asterisk.h"
|
|
|
|
#include "asterisk/file.h"
|
|
#include "asterisk/channel.h"
|
|
#include "asterisk/pbx.h"
|
|
#include "asterisk/module.h"
|
|
#include "asterisk/indications.h"
|
|
|
|
/*** DOCUMENTATION
|
|
<application name="Morsecode" language="en_US">
|
|
<synopsis>
|
|
Plays morse code.
|
|
</synopsis>
|
|
<syntax>
|
|
<parameter name="string" required="true">
|
|
<para>String to playback as morse code to channel</para>
|
|
</parameter>
|
|
</syntax>
|
|
<description>
|
|
<para>Plays the Morse code equivalent of the passed string.</para>
|
|
<para>This application does not automatically answer and should be preceeded by
|
|
an application such as Answer() or Progress().</para>
|
|
<para>This application uses the following variables:</para>
|
|
<variablelist>
|
|
<variable name="MORSEDITLEN">
|
|
<para>Use this value in (ms) for length of dit</para>
|
|
</variable>
|
|
<variable name="MORSETONE">
|
|
<para>The pitch of the tone in (Hz), default is 800</para>
|
|
</variable>
|
|
<variable name="MORSESPACETONE">
|
|
<para>The pitch of the spaces in (Hz), default is 0</para>
|
|
</variable>
|
|
<variable name="MORSETYPE">
|
|
<para>The code type to use (AMERICAN for standard American Morse
|
|
or INTERNATIONAL for international code.
|
|
Default is INTERNATIONAL).</para>
|
|
</variable>
|
|
</variablelist>
|
|
</description>
|
|
<see-also>
|
|
<ref type="application">SayAlpha</ref>
|
|
<ref type="application">SayPhonetic</ref>
|
|
</see-also>
|
|
</application>
|
|
***/
|
|
static const char app_morsecode[] = "Morsecode";
|
|
|
|
static const char * const internationalcode[] = {
|
|
"", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", /* 0-15 */
|
|
"", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", /* 16-31 */
|
|
" ", /* 32 - <space> */
|
|
".-.-.-", /* 33 - ! */
|
|
".-..-.", /* 34 - " */
|
|
"", /* 35 - # */
|
|
"", /* 36 - $ */
|
|
"", /* 37 - % */
|
|
"", /* 38 - & */
|
|
".----.", /* 39 - ' */
|
|
"-.--.-", /* 40 - ( */
|
|
"-.--.-", /* 41 - ) */
|
|
"", /* 42 - * */
|
|
"", /* 43 - + */
|
|
"--..--", /* 44 - , */
|
|
"-....-", /* 45 - - */
|
|
".-.-.-", /* 46 - . */
|
|
"-..-.", /* 47 - / */
|
|
"-----", ".----", "..---", "...--", "....-", ".....", "-....", "--...", "---..", "----.", /* 48-57 - 0-9 */
|
|
"---...", /* 58 - : */
|
|
"-.-.-.", /* 59 - ; */
|
|
"", /* 60 - < */
|
|
"-...-", /* 61 - = */
|
|
"", /* 62 - > */
|
|
"..--..", /* 63 - ? */
|
|
".--.-.", /* 64 - @ */
|
|
".-", "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..", ".---", "-.-", ".-..", "--", /* A-M */
|
|
"-.", "---", ".--.", "--.-", ".-.", "...", "-", "..-", "...-", ".--", "-..-", "-.--", "--..", /* N-Z */
|
|
"-.--.-", /* 91 - [ (really '(') */
|
|
"-..-.", /* 92 - \ (really '/') */
|
|
"-.--.-", /* 93 - ] (really ')') */
|
|
"", /* 94 - ^ */
|
|
"..--.-", /* 95 - _ */
|
|
".----.", /* 96 - ` */
|
|
".-", "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..", ".---", "-.-", ".-..", "--", /* a-m */
|
|
"-.", "---", ".--.", "--.-", ".-.", "...", "-", "..-", "...-", ".--", "-..-", "-.--", "--..", /* n-z */
|
|
"-.--.-", /* 123 - { (really '(') */
|
|
"", /* 124 - | */
|
|
"-.--.-", /* 125 - } (really ')') */
|
|
"-..-.", /* 126 - ~ (really bar) */
|
|
". . .", /* 127 - <del> (error) */
|
|
};
|
|
|
|
static const char * const americanmorsecode[] = {
|
|
"", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", /* 0-15 */
|
|
"", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", /* 16-31 */
|
|
" ", /* 32 - <space> */
|
|
"---.", /* 33 - ! */
|
|
"..-. -.",/* 34 - " (QN)*/
|
|
"", /* 35 - # */
|
|
"... .-..",/* 36 - $ (SX) */
|
|
"", /* 37 - % */
|
|
". ...", /* 38 - & (ES) */
|
|
"..-. .-..",/* 39 - ' (QX) */
|
|
"..... -.", /* 40 - ( (PN) */
|
|
"..... .. ..", /* 41 - ) (PY) */
|
|
"", /* 42 - * */
|
|
"", /* 43 - + */
|
|
".-.-", /* 44 - , */
|
|
".... .-..",/* 45 - (HX) */
|
|
"..--..", /* 46 - . */
|
|
"..- -", /* 47 - / (UT) */
|
|
".--.", "..-..", "...-.", "....-", "---", "......", "--..", "-....", "-..-", "0", /* 48-57 - 0-9 */
|
|
"-.- . .",/* 58 - : (KO) */
|
|
"... ..", /* 59 - ; */
|
|
"", /* 60 - < */
|
|
"-...-", /* 61 - = (paragraph mark) */
|
|
"", /* 62 - > */
|
|
"-..-.", /* 63 - ? */
|
|
".--.-.", /* 64 - @ */
|
|
".-", "-...", ".. .", "-..", ".", ".-.", "--.", "....", "..", ".-.-", "-.-", "L", "--", /* A-M */
|
|
"-.", ". .", ".....", "..-.", ". ..", "...", "-", "..-", "...-", ".--", ".-..", ".. ..", "... .", /* N-Z */
|
|
"..... -.", /* 91 - [ (really '(') */
|
|
"..- -", /* 92 - \ (really '/') */
|
|
"..... .. ..", /* 93 - ] (really ')') */
|
|
"", /* 94 - ^ */
|
|
"..--.-", /* 95 - _ */
|
|
".----.", /* 96 - ` */
|
|
".-", "-...", ".. .", "-..", ".", ".-.", "--.", "....", "..", ".-.-", "-.-", "L", "--", /* a-m */
|
|
"-.", ". .", ".....", "..-.", ". ..", "...", "-", "..-", "...-", ".--", ".-..", ".. ..", "... .", /* n-z */
|
|
"..... -.", /* 123 - { (really '(') */
|
|
"", /* 124 - | */
|
|
"..... .. ..", /* 125 - } (really ')') */
|
|
"..- -", /* 126 - ~ (really bar) */
|
|
". . .", /* 127 - <del> (error) */
|
|
};
|
|
|
|
static int playtone(struct ast_channel *chan, int tone, int len)
|
|
{
|
|
int res;
|
|
char dtmf[20];
|
|
snprintf(dtmf, sizeof(dtmf), "%d/%d", tone, len);
|
|
ast_playtones_start(chan, 0, dtmf, 0);
|
|
res = ast_safe_sleep(chan, len);
|
|
ast_playtones_stop(chan);
|
|
return res;
|
|
}
|
|
|
|
static int morsecode_exec(struct ast_channel *chan, const char *data)
|
|
{
|
|
int res = 0, ditlen, tone, toneoff, digit2;
|
|
const char *digit;
|
|
const char *ditlenc, *tonec, *toneb, *codetype;
|
|
|
|
if (ast_strlen_zero(data)) {
|
|
ast_log(LOG_WARNING, "Syntax: Morsecode(<string>) - no argument found\n");
|
|
return 0;
|
|
}
|
|
|
|
ast_channel_lock(chan);
|
|
/* Use variable MORESEDITLEN, if set (else 80) */
|
|
ditlenc = pbx_builtin_getvar_helper(chan, "MORSEDITLEN");
|
|
if (ast_strlen_zero(ditlenc) || (sscanf(ditlenc, "%30d", &ditlen) != 1)) {
|
|
ditlen = 80;
|
|
}
|
|
|
|
/* Use variable MORSETONE, if set (else 800) */
|
|
tonec = pbx_builtin_getvar_helper(chan, "MORSETONE");
|
|
if (ast_strlen_zero(tonec) || (sscanf(tonec, "%30d", &tone) != 1)) {
|
|
tone = 800;
|
|
}
|
|
|
|
/* Use variable MORSESPACETONE, if set (else 0) */
|
|
toneb = pbx_builtin_getvar_helper(chan, "MORSESPACETONE");
|
|
if (ast_strlen_zero(toneb) || (sscanf(toneb, "%30d", &toneoff) != 1)) {
|
|
toneoff = 0;
|
|
}
|
|
|
|
/* Use variable MORSETYPE, if set (else INTERNATIONAL) */
|
|
codetype = pbx_builtin_getvar_helper(chan, "MORSETYPE");
|
|
if (!codetype || strcmp(codetype, "AMERICAN")) {
|
|
codetype = "INTERNATIONAL";
|
|
}
|
|
|
|
ast_channel_unlock(chan);
|
|
if (!strcmp(codetype, "AMERICAN")) {
|
|
for (digit = data; *digit; digit++) {
|
|
const char *dahdit;
|
|
digit2 = *digit;
|
|
if (digit2 < 0 || digit2 > 127) {
|
|
continue;
|
|
}
|
|
for (dahdit = americanmorsecode[digit2]; *dahdit; dahdit++) {
|
|
if (*dahdit == '-') {
|
|
res = playtone(chan, tone, 3 * ditlen);
|
|
} else if (*dahdit == '.') {
|
|
res = playtone(chan, tone, 1 * ditlen);
|
|
} else if (*dahdit == 'L' || *dahdit == 'l') {
|
|
res = playtone(chan, tone, 6 * ditlen); /* long dash */
|
|
} else if (*dahdit == '0') {
|
|
res = playtone(chan, tone, 9 * ditlen); /* extra long dash */
|
|
} else if (*dahdit == ' ') { /* space char (x20) = 6 dot lengths */
|
|
/* Intra-char pauses, specific to American Morse */
|
|
res = playtone(chan, toneoff, 3 * ditlen);
|
|
} else {
|
|
/* Account for ditlen of silence immediately following */
|
|
res = playtone(chan, toneoff, 2 * ditlen);
|
|
}
|
|
|
|
/* Pause slightly between each dit and dah */
|
|
res = playtone(chan, toneoff, 1 * ditlen);
|
|
if (res)
|
|
break;
|
|
}
|
|
/* Pause between characters */
|
|
res = playtone(chan, toneoff, 3 * ditlen);
|
|
if (res)
|
|
break;
|
|
}
|
|
} else { /* International */
|
|
for (digit = data; *digit; digit++) {
|
|
const char *dahdit;
|
|
digit2 = *digit;
|
|
if (digit2 < 0 || digit2 > 127) {
|
|
continue;
|
|
}
|
|
for (dahdit = internationalcode[digit2]; *dahdit; dahdit++) {
|
|
if (*dahdit == '-') {
|
|
res = playtone(chan, tone, 3 * ditlen);
|
|
} else if (*dahdit == '.') {
|
|
res = playtone(chan, tone, 1 * ditlen);
|
|
} else {
|
|
/* Account for ditlen of silence immediately following */
|
|
res = playtone(chan, toneoff, 2 * ditlen);
|
|
}
|
|
|
|
/* Pause slightly between each dit and dah */
|
|
res = playtone(chan, toneoff, 1 * ditlen);
|
|
if (res)
|
|
break;
|
|
}
|
|
/* Pause between characters */
|
|
res = playtone(chan, toneoff, 2 * ditlen);
|
|
if (res)
|
|
break;
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
static int unload_module(void)
|
|
{
|
|
return ast_unregister_application(app_morsecode);
|
|
}
|
|
|
|
static int load_module(void)
|
|
{
|
|
return ast_register_application_xml(app_morsecode, morsecode_exec);
|
|
}
|
|
|
|
AST_MODULE_INFO_STANDARD_EXTENDED(ASTERISK_GPL_KEY, "Morse code");
|