1/*
2 * Author: Stefan Andritoiu <stefan.andritoiu@intel.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//NOT TESTED!!!
26public class GroveEHRSample {
27
28	static {
29		try {
30			System.loadLibrary("javaupm_groveehr");
31		} catch (UnsatisfiedLinkError e) {
32			System.err.println("error in loading native library");
33			System.exit(-1);
34		}
35	}
36
37	public static void main(String[] args) throws InterruptedException {
38		// ! [Interesting]
39		// Instantiate a Grove Ear-clip Heart Rate sensor on digital pin D2
40		upm_groveehr.GroveEHR heart = new upm_groveehr.GroveEHR(2);
41
42		// set the beat counter to 0, init the clock and start counting beats
43		heart.clearBeatCounter();
44		heart.initClock();
45		heart.startBeatCounter();
46
47		while (true) {
48			long millis = heart.getMillis();
49			long beats = heart.beatCounter();
50
51			// heartRate() requires that at least 5 seconds pass before
52			// returning anything other than 0
53			int hr = heart.heartRate();
54
55			// output milliseconds passed, beat count, and computed heart rate
56			System.out.println("Millis: " + millis + ", Beats: " + beats + ", Heart rate: " + hr);
57
58			Thread.sleep(1000);
59		}
60		// ! [Interesting]
61	}
62}