/* * Author: Abhishek Malik * Copyright (c) 2016 Intel Corporation. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ import upm_gp2y0a.GP2Y0A; public class Gp2y0aExample { public static final float GP2Y0A_AREF = 5; public static final short SAMPLES_PER_QUERY = 20; static { try { System.loadLibrary("javaupm_gp2y0a"); System.loadLibrary("mraajava"); } catch (UnsatisfiedLinkError e) { System.err.println( "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" + e); System.exit(1); } } public static void main(String[] args) { // TODO Auto-generated method stub //! [Interesting] // Note, for the Grove 80cm version of this sensor, due to the way // it is wired, you need to plug this into the A0 port, where it // will use the available A1 pin for data. // Instantiate a GP2Y0A on analog pin A1 GP2Y0A gp2y0a = new GP2Y0A(1); // The higher the voltage (closer to AREF) the closer the object is. NOTE: // the measured voltage will probably not exceed 3.3 volts. // Every second, print the averaged voltage value (averaged over 20 samples). while(true){ System.out.println("AREF: " + GP2Y0A_AREF + "\t, Voltage Value (Higher means Closer): "+ gp2y0a.value(GP2Y0A_AREF, SAMPLES_PER_QUERY)); try { Thread.sleep(1000); } catch (InterruptedException e) { // TODO Auto-generated catch block System.out.println("The following exception occured: "+e.getMessage()); } } //! [Interesting] } }