1/*jslint node:true, vars:true, bitwise:true, unparam:true */
2/*jshint unused:true */
3/*
4* Author: Zion Orent <zorent@ics.com>
5* Copyright (c) 2015 Intel Corporation.
6*
7* Permission is hereby granted, free of charge, to any person obtaining
8* a copy of this software and associated documentation files (the
9* "Software"), to deal in the Software without restriction, including
10* without limitation the rights to use, copy, modify, merge, publish,
11* distribute, sublicense, and/or sell copies of the Software, and to
12* permit persons to whom the Software is furnished to do so, subject to
13* the following conditions:
14*
15* The above copyright notice and this permission notice shall be
16* included in all copies or substantial portions of the Software.
17*
18* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25*/
26var ht9170_dtmf_lib = require("jsupm_ht9170");
27
28// Instantiate a DTMF decoder
29var dtmf_obj = new ht9170_dtmf_lib.HT9170(12, 11, 10, 9, 8);
30
31// Now we just spin in a loop, sleeping every 100ms, checking to see
32// if a digit is available.  If so, we decode and print the digit,
33// and continue looping.
34var myInterval = setInterval(function()
35{
36	if (dtmf_obj.digitReady())
37	{
38		console.log("Got DTMF code: " + dtmf_obj.decodeDigit());
39		// now spin until digitReady() goes false again
40		while (dtmf.digitReady())
41			;
42	}
43}, 100);
44
45// When exiting: clear interval, and print message
46process.on('SIGINT', function()
47{
48  clearInterval(myInterval);
49	dtmf_obj = null;
50	ht9170_dtmf_lib.cleanUp();
51	ht9170_dtmf_lib = null;
52	console.log("Exiting");
53	process.exit(0);
54});
55