1 /*
2 * Author: William Penner <william.penner@intel.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
29 #include "mpl3115a2.h"
30
31 volatile int doWork = 0;
32
33 upm::MPL3115A2 *sensor = NULL;
34
35 void
sig_handler(int signo)36 sig_handler(int signo)
37 {
38 if (signo == SIGINT) {
39 printf("\nCtrl-C received.\n");
40 doWork = 1;
41 }
42 }
43
44 int
main(int argc,char ** argv)45 main(int argc, char **argv)
46 {
47 // Register signal handler
48 signal(SIGINT, sig_handler);
49
50 //! [Interesting]
51 float pressure = 0.0;
52 float temperature = 0.0;
53 float altitude = 0.0;
54 float sealevel = 0.0;
55
56 sensor = new upm::MPL3115A2(0, MPL3115A2_I2C_ADDRESS);
57
58 sensor->testSensor();
59
60 while (!doWork) {
61 temperature = sensor->getTemperature(true);
62 pressure = sensor->getPressure(false);
63 altitude = sensor->getAltitude();
64 sealevel = sensor->getSealevelPressure();
65
66 std::cout << "pressure value = " <<
67 pressure <<
68 ", altitude value = " <<
69 altitude <<
70 ", sealevel value = " <<
71 sealevel <<
72 ", temperature = " <<
73 temperature << std::endl;
74 usleep (500000);
75 }
76 //! [Interesting]
77
78 std::cout << "exiting application" << std::endl;
79
80 delete sensor;
81
82 return 0;
83 }
84