1 /*
2 * Author: Jon Trulson <jtrulson@ics.com>
3 * Copyright (c) 2014 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 "grovevdiv.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
40
main()41 int main ()
42 {
43 signal(SIGINT, sig_handler);
44
45 //! [Interesting]
46 // Instantiate a Grove Voltage Divider sensor on analog pin A0
47 upm::GroveVDiv* vDiv = new upm::GroveVDiv(0);
48
49 // collect data and output measured voltage according to the setting
50 // of the scaling switch (3 or 10)
51 while (shouldRun)
52 {
53 unsigned int val = vDiv->value(100);
54 float gain3val = vDiv->computedValue(3, val);
55 float gain10val = vDiv->computedValue(10, val);
56 cout << "ADC value: " << val << " Gain 3: " << gain3val
57 << "v Gain 10: " << gain10val << "v" << endl;
58
59 sleep(1);
60 }
61 //! [Interesting]
62
63 cout << "Exiting..." << endl;
64
65 delete vDiv;
66 return 0;
67 }
68