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 "mma7660.h"
29
30 using namespace std;
31
32 int shouldRun = true;
33
sig_handler(int signo)34 void sig_handler(int signo)
35 {
36 if (signo == SIGINT)
37 shouldRun = false;
38 }
39
main(int argc,char ** argv)40 int main(int argc, char **argv)
41 {
42 signal(SIGINT, sig_handler);
43
44 //! [Interesting]
45 // Instantiate an MMA7660 on I2C bus 0
46
47 upm::MMA7660 *accel = new upm::MMA7660(MMA7660_I2C_BUS,
48 MMA7660_DEFAULT_I2C_ADDR);
49
50 // place device in standby mode so we can write registers
51 accel->setModeStandby();
52
53 // enable 64 samples per second
54 accel->setSampleRate(upm::MMA7660::AUTOSLEEP_64);
55
56 // place device into active mode
57 accel->setModeActive();
58
59 while (shouldRun)
60 {
61 int x, y, z;
62
63 accel->getRawValues(&x, &y, &z);
64 cout << "Raw values: x = " << x
65 << " y = " << y
66 << " z = " << z
67 << endl;
68
69 float ax, ay, az;
70
71 accel->getAcceleration(&ax, &ay, &az);
72 cout << "Acceleration: x = " << ax
73 << "g y = " << ay
74 << "g z = " << az
75 << "g" << endl;
76
77 usleep(500000);
78 }
79
80 //! [Interesting]
81
82 cout << "Exiting..." << endl;
83
84 delete accel;
85 return 0;
86 }
87