1 /*
2 * Author: Zion Orent <zorent@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 #include "flex.h"
29
30 using namespace std;
31
32 bool shouldRun = true;
33
sig_handler(int signo)34 void sig_handler(int signo)
35 {
36 if (signo == SIGINT)
37 shouldRun = false;
38 }
39
main()40 int main()
41 {
42 signal(SIGINT, sig_handler);
43
44 //! [Interesting]
45 // The was tested with a Spectra Symbol flex sensor.
46 // We attached a 22K resistor to a breadboard,
47 // with 1 end attached to GND and the other connected to
48 // both the flex sensor and A0.
49 // The flex sensor was connected on 1 pin to the 22K resistor and A0
50 // and on the other pin to 5V.
51
52 // Instantiate a Flex sensor on analog pin A0
53 upm::Flex *flex = new upm::Flex(0);
54
55 while (shouldRun)
56 {
57 cout << "Flex value: " << flex->value() << endl;
58 sleep(1);
59 }
60 //! [Interesting]
61
62 cout << "Exiting" << endl;
63
64 delete flex;
65 return 0;
66 }
67