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 public class PPD42NSSample {
26 
27 	static {
28 		try {
29 			System.loadLibrary("javaupm_ppd42ns");
30 		} catch (UnsatisfiedLinkError e) {
31 			System.err.println("error in loading native library");
32 			System.exit(-1);
33 		}
34 	}
35 
main(String[] args)36 	public static void main(String[] args) throws InterruptedException {
37 		// ! [Interesting]
38 		// Instantiate a dust sensor on GPIO pin D8
39 		upm_ppd42ns.PPD42NS dust = new upm_ppd42ns.PPD42NS(8);
40 		upm_ppd42ns.dustData data;
41 
42 		System.out.println("This program will give readings every 30 seconds until you stop it");
43 
44 		while (true) {
45 			data = dust.getData();
46 
47 			System.out.println("Low pulse occupancy: " + data.getLowPulseOccupancy());
48 			System.out.println("Ratio:  " + data.getRatio());
49 			System.out.println("Concentration: " + data.getConcentration());
50 		}
51 		// ! [Interesting]
52 	}
53 
54 }