WiringPiSoftPWMExample.java

/*
 * #%L
 * **********************************************************************
 * ORGANIZATION  :  Pi4J
 * PROJECT       :  Pi4J :: Java Examples
 * FILENAME      :  WiringPiSoftPWMExample.java  
 * 
 * This file is part of the Pi4J project. More information about 
 * this project can be found here:  http://www.pi4j.com/
 * **********************************************************************
 * %%
 * Copyright (C) 2012 - 2013 Pi4J
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import com.pi4j.wiringpi.SoftPwm;

public class WiringPiSoftPWMExample {
    
    public static void main(String[] args) throws InterruptedException {
        
        // initialize wiringPi library
        com.pi4j.wiringpi.Gpio.wiringPiSetup();

        // create soft-pwm pins (min=0 ; max=100)
        SoftPwm.softPwmCreate(1, 0, 100);

        // continuous loop
        while (true) {            
            // fade LED to fully ON
            for (int i = 0; i <= 100; i++) {
                SoftPwm.softPwmWrite(1, i);
                Thread.sleep(100);
            }

            // fade LED to fully OFF
            for (int i = 100; i >= 0; i--) {
                SoftPwm.softPwmWrite(1, i);
                Thread.sleep(100);
            }
        }
    }
}