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