1 /*jslint node:true, vars:true, bitwise:true, unparam:true */ 2 /*jshint unused:true */ 3 /* 4 * Author: Zion Orent <zorent (at) 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 */ 26 var ht9170_dtmf_lib = require("jsupm_ht9170"); 27 28 // Instantiate a DTMF decoder 29 var 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. 34 var 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 46 process.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
