upm/examples/java/GroveLineFinderSample.java

/*
 * Author: Stefan Andritoiu <stefan.andritoiu@intel.com>
 * Copyright (c) 2015 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.
 */

public class GroveLineFinderSample{
	
	static {
		try {
			System.loadLibrary("javaupm_grovelinefinder");
		}catch (UnsatisfiedLinkError e) {
			System.err.println("error in loading native library");
			System.exit(-1);
		}
	}
	
	public static void main(String[] args) throws InterruptedException {
		//! [Interesting]
        // Instantiate a Grove Line Finder sensor on digital pin D2
		upm_grovelinefinder.GroveLineFinder finder = new upm_grovelinefinder.GroveLineFinder(2);
		// check every second for the presence of white detection
		while(true){
			boolean val = finder.whiteDetected();
			if(val){
				System.out.println("White detected");
			}
			else{
				System.out.println("Black detected");
			}

			Thread.sleep(1000);
		}
        //! [Interesting]
	}

}