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 public class GroveRotarySample {
26 
27 	static {
28 		try {
29 			System.loadLibrary("javaupm_grove");
30 		} catch (UnsatisfiedLinkError e) {
31 			System.err.println("error in loading native library");
32 			System.exit(-1);
33 		}
34 	}
35 
main(String[] args)36 	public static void main(String[] args) throws InterruptedException {
37 		// ! [Interesting]
38 		upm_grove.GroveRotary knob = new upm_grove.GroveRotary(0);
39 
40 		while (true) {
41 			float abs_value = knob.abs_value(); // Absolute raw value
42 			float abs_deg = knob.abs_deg(); // Absolute degrees
43 			float abs_rad = knob.abs_rad(); // Absolute radians
44 			float rel_value = knob.rel_value(); // Relative raw value
45 			float rel_deg = knob.rel_deg(); // Relative degrees
46 			float rel_rad = knob.rel_rad(); // Relative radians
47 
48 			System.out.println("Absolute: " + abs_value + " raw, " + abs_deg + " deg, " + abs_rad
49 					+ " rad");
50 			System.out.println("Relative: " + rel_value + " raw, " + rel_deg + " deg, " + rel_rad
51 					+ " rad");
52 
53 			Thread.sleep(3000);
54 		}
55 		// ! [Interesting]
56 	}
57 
58 }