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Example: gp2y0a, Grove - 80 cm Infrared Proximity Sensor

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Signed-off-by: Abhishek Malik <abhishek.malik@intel.com>
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Abhishek Malik 2016-03-01 15:40:33 -08:00
parent 144937995c
commit e6ad752a2c
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examples/java/Gp2y0aExample.java Normal file
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/*
* Author: Abhishek Malik <abhishek.malik@intel.com>
* 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]
}
}