Added: freeswitch/trunk/contrib/trixter/radio/morse.js (0 => 14734)

--- freeswitch/trunk/contrib/trixter/radio/morse.js	                        (rev 0)
+++ freeswitch/trunk/contrib/trixter/radio/morse.js	2009-09-02 15:08:52 UTC (rev 14734)
@@ -0,0 +1,132 @@
+//  -*- mode:c; tab-width:4; c-basic-offset:4; indent-tabs-mode:nil;  -*-
+// Copyright (C) 2009, Bret McDanel <trixter AT 0xdecafbad.com>
+//
+// Version: MPL 1.1 
+//
+// The contents of this file are subject to the Mozilla Public License Version 
+// 1.1 (the "License"); you may not use this file except in compliance with 
+// the License. You may obtain a copy of the License at 
+// http://www.mozilla.org/MPL/
+//
+// Software distributed under the License is distributed on an "AS IS" basis,
+// WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License 
+// for the specific language governing rights and limitations under the 
+// License.
+//
+// The Original Code is Morse code generation jsapi
+//
+// The Initial Developer of the Original Code is 
+// Bret McDanel <trixter AT 0xdecafbad.com>
+// Portions created by the Initial Developer are Copyright (C)
+// the Initial Developer. All Rights Reserved.
+//
+// Contributor(s):
+//
+// Bret McDanel <trixter AT 0xdecafbad.com>
+//
+// Morse code generation jsapi
+// This will play morse code to a given target whatever string is 
+// supplied
+//
+// examples:
+//    jsapi conference 123 morse code is great
+//    jsapi uuid b0b05504-97be-11de-a116-611fa158f341 morse code is great
+
+var cw_wpm=20;
+var cw_freq=900; // in Hz
+var cw_vol=-15;  // -63.0dB to 0.0dB
+
+
+// you probably do not need to edit anything below here
+var cw_unit=parseInt(1000/cw_wpm);
+
+var DIT = "%("+cw_unit+","+cw_unit+","+cw_freq+");";
+var DAH = "%("+cw_unit*3+","+cw_unit*3+","+cw_freq+");";
+                                                
+// so far there are not any prosigns which are just made up from
+// the letters below, but the spacing needs to be adjusted
+// I also do not have the non-officially defined characters
+var charCodes = new Array();
+charCodes["a"]="._";
+charCodes["b"]="_...";
+charCodes["c"]="_._.";
+charCodes["d"]="_..";
+charCodes["e"]=".";
+charCodes["f"]=".._.";
+charCodes["g"]="__.";
+charCodes["h"]="....";
+charCodes["i"]="..";
+charCodes["j"]=".___";
+charCodes["k"]="_._";
+charCodes["l"]="._..";
+charCodes["m"]="__";
+charCodes["n"]="_.";
+charCodes["o"]="___";
+charCodes["p"]=".__.";
+charCodes["q"]="__._";
+charCodes["r"]="._.";
+charCodes["s"]="...";
+charCodes["t"]="_";
+charCodes["u"]=".._";
+charCodes["v"]="..._";
+charCodes["w"]=".__";
+charCodes["x"]="_.._";
+charCodes["y"]="_.__";
+charCodes["z"]="__..";
+charCodes["1"]=".____";
+charCodes["2"]="..___";
+charCodes["3"]="...__";
+charCodes["4"]="...._";
+charCodes["5"]=".....";
+charCodes["6"]="_....";
+charCodes["7"]="__...";
+charCodes["8"]="___..";
+charCodes["9"]="____.";
+charCodes["0"]="_____";
+
+function usage()
+{
+    console_log("ERROR","Usage: jsapi morse.js [conference|uuid] [target] <string>\n");
+    exit();
+}
+
+
+if(typeof argv[2] == "undefined" || argv[2].length==0) {
+    usage();
+ }
+
+
+if(argv[0] == "conference") {
+    command="conference";
+    argv.shift();
+    target=argv[0]+" play ";
+    argv.shift();
+ } else if(argv[0] == "uuid") {
+    command="uuid_broadcast";
+    argv.shift();
+    target=argv[0]+" ";
+    argv.shift();
+ } else {
+    usage();
+ }
+
+
+while(typeof argv[0] != "undefined") {
+    var newStr="tone_stream://v="+cw_vol+";";
+    for(var i=0;i<argv[0].length;i++) {
+        for(var j=0;j<charCodes[argv[0][i]].length;j++) {
+            if(charCodes[argv[0][i]][j] == ".") {
+                newStr+=DIT;
+            } else {
+                newStr+=DAH;
+            }
+        }
+        // symbol space
+        newStr+="%(0,"+cw_unit*3+","+cw_freq+")";
+    }
+    // word space
+    // we only do a cw_unit*4 here because we have a cw_unit*3 already
+    newStr+="%(0,"+cw_unit*4+","+cw_freq+")";
+    apiExecute(command, target+newStr);
+    argv.shift();
+ }