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 GUVAS12DSample { 26 // analog voltage, usually 3.3 or 5.0 27 private static final float GUVAS12D_AREF = 5; 28 private static final int SAMPLES_PER_QUERY = 1024; 29 30 static { 31 try { 32 System.loadLibrary("javaupm_guvas12d"); 33 } catch (UnsatisfiedLinkError e) { 34 System.err.println("error in loading native library"); 35 System.exit(-1); 36 } 37 } 38 main(String[] args)39 public static void main(String[] args) throws InterruptedException { 40 // ! [Interesting] 41 // Instantiate a GUVAS12D on analog pin A3 42 upm_guvas12d.GUVAS12D volts = new upm_guvas12d.GUVAS12D(3); 43 44 while (true) { 45 float value = volts.value(GUVAS12D_AREF, SAMPLES_PER_QUERY); 46 47 System.out.println("AREF: " + GUVAS12D_AREF 48 + ", Voltage value (higher means more UV): " + value); 49 50 Thread.sleep(1000); 51 } 52 // ! [Interesting] 53 } 54 55 }