Bug 6213 - Morse code app

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@7998 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 188 insertions, 0 deletions

diff --git a/apps/app_morsecode.c b/apps/app_morsecode.c
new file mode 100644
index 000000000..04c88b390
--- /dev/null
+++ b/apps/app_morsecode.c
@@ -0,0 +1,188 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (c) 2006, Tilghman Lesher.  All rights reserved.
+ *
+ * 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>
+ *
+ * \ingroup applications
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision: 7221 $")
+
+#include "asterisk/file.h"
+#include "asterisk/logger.h"
+#include "asterisk/options.h"
+#include "asterisk/channel.h"
+#include "asterisk/pbx.h"
+#include "asterisk/module.h"
+#include "asterisk/indications.h"
+
+static char *tdesc = "Morse code";
+
+static char *app_morsecode = "Morsecode";
+
+static char *morsecode_synopsis = "Plays morse code";
+
+static char *morsecode_descrip =
+"Usage: Morsecode(<string>)\n"
+"Plays the Morse code equivalent of the passed string\n";
+
+STANDARD_LOCAL_USER;
+
+LOCAL_USER_DECL;
+
+#define	TONE	440
+#define	DITLEN	100
+#define	DAHLEN	250
+#define	DITDAHSEPLEN	50
+#define	CHARSEPLEN	200
+/* Pause between words will be twice CHARSEPLEN plus DITDAHSEPLEN - 450 */
+
+static char *morsecode[] = {
+	"", "", "", "", "", "", "", "", "", "", "", "", "", "", "", "", /*  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 - @ */
+	".-", "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..", ".---", "-.-", ".-..", "--",
+	"-.", "---", ".--.", "--.-", ".-.", "...", "-", "..-", "...-", ".--", "-..-", "-.--", "--..",
+	"-.--.-", /* 91 - [ (really '(') */
+	"-··-·",  /* 92 - \ (really '/') */
+	"-.--.-", /* 93 - ] (really ')') */
+	"",       /* 94 - ^ */
+	"··--·-", /* 95 - _ */
+	".----.", /* 96 - ` */
+	".-", "-...", "-.-.", "-..", ".", "..-.", "--.", "....", "..", ".---", "-.-", ".-..", "--",
+	"-.", "---", ".--.", "--.-", ".-.", "...", "-", "..-", "...-", ".--", "-..-", "-.--", "--..",
+	"-.--.-", /* 123 - { (really '(') */
+	"",       /* 124 - | */
+	"-.--.-", /* 125 - } (really ')') */
+	"-··-·",  /* 126 - ~ (really bar) */
+	"· · ·",  /* 127 - <del> (error) */
+};
+
+static void playtone(struct ast_channel *chan, int tone, int len)
+{
+	char dtmf[20];
+	snprintf(dtmf, sizeof(dtmf), "%d/%d", tone, len);
+	ast_playtones_start(chan, 0, dtmf, 0);
+	ast_safe_sleep(chan, len);
+	ast_playtones_stop(chan);
+}
+
+static int morsecode_exec(struct ast_channel *chan, void *data)
+{
+	int res=0;
+	char *digit;
+	struct localuser *u;
+
+	LOCAL_USER_ADD(u);
+
+	if (ast_strlen_zero(data)) {
+		ast_log(LOG_WARNING, "Syntax: Morsecode(<string>) - no argument found\n");
+		LOCAL_USER_REMOVE(u);
+		return 0;
+	}
+
+	for (digit = data; *digit; digit++) {
+		char *dahdit;
+		if (*digit < 0) {
+			continue;
+		}
+		for (dahdit = morsecode[(int)*digit]; *dahdit; dahdit++) {
+			if (*dahdit == '-') {
+				playtone(chan, TONE, DAHLEN);
+			} else if (*dahdit == '.') {
+				playtone(chan, TONE, DITLEN);
+			} else {
+				playtone(chan, TONE, CHARSEPLEN);
+			}
+
+			/* Pause slightly between each dit and dah */
+			playtone(chan, 0, DITDAHSEPLEN);
+		}
+		/* Pause between characters */
+		playtone(chan, 0, CHARSEPLEN);
+	}
+
+	LOCAL_USER_REMOVE(u);
+	return res;
+}
+
+int unload_module(void)
+{
+	int res;
+
+	res = ast_unregister_application(app_morsecode);
+
+	STANDARD_HANGUP_LOCALUSERS;
+
+	return res;
+}
+
+int load_module(void)
+{
+	return ast_register_application(app_morsecode, morsecode_exec, morsecode_synopsis, morsecode_descrip);
+}
+
+char *description(void)
+{
+	return tdesc;
+}
+
+int usecount(void)
+{
+	int res;
+	STANDARD_USECOUNT(res);
+	return res;
+}
+
+char *key()
+{
+	return ASTERISK_GPL_KEY;
+}