1/*jslint node:true, vars:true, bitwise:true, unparam:true */
2/*jshint unused:true */
3
4/*
5 * Author: Jon Trulson <jtrulson@ics.com>
6 * Copyright (c) 2015 Intel Corporation.
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining
9 * a copy of this software and associated documentation files (the
10 * "Software"), to deal in the Software without restriction, including
11 * without limitation the rights to use, copy, modify, merge, publish,
12 * distribute, sublicense, and/or sell copies of the Software, and to
13 * permit persons to whom the Software is furnished to do so, subject to
14 * the following conditions:
15 *
16 * The above copyright notice and this permission notice shall be
17 * included in all copies or substantial portions of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
20 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
22 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
23 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
24 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
25 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 */
27
28
29var sensorObj = require('jsupm_mpu9150');
30
31// Instantiate an AK8975 on default I2C bus and address
32var sensor = new sensorObj.AK8975();
33
34// Initialize the device with default values
35sensor.init();
36
37var x = new sensorObj.new_floatp();
38var y = new sensorObj.new_floatp();
39var z = new sensorObj.new_floatp();
40
41// Output data every half second until interrupted
42setInterval(function()
43{
44    sensor.update();
45
46    sensor.getMagnetometer(x, y, z);
47    console.log("Magnetometer:  MX: " + sensorObj.floatp_value(x) +
48                " MY: " + sensorObj.floatp_value(y) +
49                " MZ: " + sensorObj.floatp_value(z));
50
51    console.log();
52
53}, 500);
54
55// exit on ^C
56process.on('SIGINT', function()
57{
58    sensor = null;
59    sensorObj.cleanUp();
60    sensorObj = null;
61    console.log("Exiting.");
62    process.exit(0);
63});
64
65