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 <iomanip>
28 #include <signal.h>
29 #include "otp538u.h"
30
31 using namespace std;
32
33 bool shouldRun = true;
34
35 // analog voltage, usually 3.3 or 5.0
36 #define OTP538U_AREF 5.0
37
sig_handler(int signo)38 void sig_handler(int signo)
39 {
40 if (signo == SIGINT)
41 shouldRun = false;
42 }
43
main()44 int main()
45 {
46 signal(SIGINT, sig_handler);
47
48 //! [Interesting]
49
50 // Instantiate a OTP538U on analog pins A0 and A1
51 // A0 is used for the Ambient Temperature and A1 is used for the
52 // Object temperature.
53 upm::OTP538U *temps = new upm::OTP538U(0, 1, OTP538U_AREF);
54
55 // Output ambient and object temperatures
56 while (shouldRun)
57 {
58 cout << "Ambient temp: " << std::fixed << setprecision(2)
59 << temps->ambientTemperature()
60 << " C, Object temp: " << temps->objectTemperature()
61 << " C" << endl;
62
63 sleep(1);
64 }
65 //! [Interesting]
66
67 cout << "Exiting" << endl;
68
69 delete temps;
70 return 0;
71 }
72