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 CJQ4435Sample {
26 
27 	static {
28 		try {
29 			System.loadLibrary("javaupm_cjq4435");
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 		// Instantiate a CJQ4435 MOSFET on a PWM capable digital pin D3
38 		upm_cjq4435.CJQ4435 mosfet = new upm_cjq4435.CJQ4435(3);
39 
40 		mosfet.setPeriodMS(10);
41 		mosfet.enable(true);
42 
43 		while (true) {
44 			// start with a duty cycle of 0.0 (off) and increment to 1.0 (on)
45 			for (float i = 0; i <= 1; i += 0.1) {
46 				mosfet.setDutyCycle(i);
47 				Thread.sleep(100);
48 			}
49 			Thread.sleep(1000);
50 
51 			// Now take it back down
52 			// start with a duty cycle of 1.0 (on) and decrement to 0.0 (off)
53 			for (float i = 1; i >= 0; i -= 0.1) {
54 				mosfet.setDutyCycle(i);
55 				Thread.sleep(100);
56 			}
57 			Thread.sleep(1000);
58 		}
59 	}
60 
61 }