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 #include "hp20x.h"
29
30 using namespace std;
31 using namespace upm;
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(int argc,char ** argv)41 int main(int argc, char **argv)
42 {
43 signal(SIGINT, sig_handler);
44
45 //! [Interesting]
46 // Instantiate an HP20X on default I2C bus and address
47
48 upm::HP20X *bar = new upm::HP20X();
49
50 // Initialize the device with default values
51 bar->init();
52
53 // Output data every second until interrupted
54 while (shouldRun)
55 {
56 printf("Temperature: %f Celcius\n", bar->getTemperature());
57 printf("Pressure: %f Millibars\n", bar->getPressure());
58 printf("Altitude: %f Meters\n", bar->getAltitude());
59
60 printf("\n");
61
62 sleep(1);
63 }
64 //! [Interesting]
65
66 cout << "Exiting..." << endl;
67
68 delete bar;
69 return 0;
70 }
71