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