1 /* 2 * Author: Stefan Andritoiu <stefan.andritoiu (at) 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 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 }
