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 <signal.h>
27 #include <iostream>
28
29 #include "sainsmartks.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
41
main(int argc,char ** argv)42 int main(int argc, char **argv)
43 {
44 signal(SIGINT, sig_handler);
45
46 //! [Interesting]
47 // use default pins
48 upm::SAINSMARTKS* lcd = new upm::SAINSMARTKS();
49 lcd->setCursor(0,0);
50 lcd->write("Sainsmart KS");
51 lcd->setCursor(1,2);
52 lcd->write("Hello World");
53
54 // output current key value every second.
55 while (shouldRun)
56 {
57 cout << "Button value: " << lcd->getRawKeyValue() << endl;
58 sleep(1);
59 }
60
61 //! [Interesting]
62
63 delete lcd;
64
65 return 0;
66 }
67