1 /*
2 * Author: Jon Trulson <jtrulson@ics.com>
3 * Copyright (c) 2015 Intel Corporation.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #include <unistd.h>
26 #include <iostream>
27 #include <signal.h>
28
29 #include "ht9170.h"
30
31 using namespace std;
32
33 int shouldRun = true;
34
sig_handler(int signo)35 void sig_handler(int signo)
36 {
37 if (signo == SIGINT)
38 shouldRun = false;
39 }
40
main()41 int main ()
42 {
43 signal(SIGINT, sig_handler);
44 //! [Interesting]
45
46 // Instantiate a DTMF decoder
47 upm::HT9170* dtmf = new upm::HT9170(12, 11, 10, 9, 8);
48
49 // Now we just spin in a loop, sleeping every 100ms, checking to see
50 // if a digit is available. If so, we decode and print the digit,
51 // and continue looping.
52
53 while(shouldRun)
54 {
55 if (dtmf->digitReady())
56 {
57 cout << "Got DTMF code: " << dtmf->decodeDigit() << endl;
58 // now spin until digitReady() goes false again
59 while (dtmf->digitReady())
60 ;
61 }
62
63 usleep(100000);
64 }
65
66 //! [Interesting]
67
68 cout << "Exiting..." << endl;
69
70 delete dtmf;
71 return 0;
72 }
73