1/*
2 * Author: Brendan Le Foll <brendan.le.foll@intel.com>
3 * Copyright (c) 2014 Intel Corporation.
4 * Author: Jakub Kramarz <jkramarz@virtuslab.com>
5 * Copyright (c) 2015 VirtusLab
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining
8 * a copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sublicense, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be
16 * included in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
21 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 */
26
27import mraa.Pwm;
28
29public class CyclePwm3 {
30    static {
31        try {
32            System.loadLibrary("mraajava");
33        } catch (UnsatisfiedLinkError e) {
34            System.err.println(
35                    "Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\n" +
36                            e);
37            System.exit(1);
38        }
39    }
40    public static void main(String argv[]) throws InterruptedException {
41        //! [Interesting]
42        Pwm pwm = new mraa.Pwm(3);
43        pwm.period_us(200);
44        pwm.enable(true);
45
46        float value = 0;
47        while (true) {
48            value += 0.01;
49            pwm.write(value);
50            Thread.sleep(50);
51            if (value >= 1) {
52                value = 0;
53            }
54        }
55        //! [Interesting]
56    }
57}
58