All Downloads are FREE. Search and download functionalities are using the official Maven repository.

com.diozero.sampleapps.Pi4jPwmTest Maven / Gradle / Ivy

There is a newer version: 0.14
Show newest version
package com.diozero.sampleapps;

/*
 * #%L
 * Organisation: mattjlewis
 * Project:      Device I/O Zero - pi4j provider
 * Filename:     Pi4jPwmTest.java  
 * 
 * This file is part of the diozero project. More information about this project
 * can be found at http://www.diozero.com/
 * %%
 * Copyright (C) 2016 - 2017 mattjlewis
 * %%
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 * #L%
 */


import com.pi4j.wiringpi.Gpio;

public class Pi4jPwmTest {
	public static void main(String[] args) {
		int pin_number = 13;
		
		Gpio.wiringPiSetupGpio();
		Gpio.pinMode(pin_number, Gpio.PWM_OUTPUT);
		Gpio.pwmSetMode(Gpio.PWM_MODE_MS);
		//Gpio.pwmSetClock(384);
		//Gpio.pwmSetRange(1000);
		Gpio.pwmSetClock(187);
		Gpio.pwmSetRange(1024);
		
		
		try {
			for (int i=0; i<1000; i+=10) {
				Gpio.pwmWrite(pin_number, i);
				Thread.sleep(100);
			}
			for (int i=1000; i>0; i-=10) {
				Gpio.pwmWrite(pin_number, i);
				Thread.sleep(100);
			}
		} catch (InterruptedException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
}




© 2015 - 2025 Weber Informatics LLC | Privacy Policy