1 /* 2 * Author: Stefan Andritoiu <stefan.andritoiu (at) 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 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 }
