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!!! 26 public class GroveVDivSample { 27 private static final short gain3 = 3; 28 private static final short gain10 = 10; 29 30 static { 31 try { 32 System.loadLibrary("javaupm_grovevdiv"); 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 Grove Voltage Divider sensor on analog pin A0 42 upm_grovevdiv.GroveVDiv vDiv = new upm_grovevdiv.GroveVDiv(0); 43 44 // collect data and output measured voltage according to the setting 45 // of the scaling switch (3 or 10) 46 while (true) { 47 long val = vDiv.value(100); 48 float gain3val = vDiv.computedValue(gain3, val); 49 float gain10val = vDiv.computedValue(gain10, val); 50 51 System.out.println("ADC value: " + val + ", Gain 3: " + gain3val + "v, Gain 10: " 52 + gain10val); 53 54 Thread.sleep(1000); 55 } 56 // ! [Interesting] 57 } 58 59 }