pdu_jctrl/src/pdu_jctrl/gpio_java.java

package pdu_jctrl;

import java.io.IOException;
import java.util.concurrent.TimeUnit;

public class gpio_java 
{

	public static void main (String [] args) 
	{
		System.out.println("Hello World");
		
		setgpio(true);
		
		try {
			TimeUnit.SECONDS.sleep(1);
		}
		catch(InterruptedException e) 
		{
			System.out.println("sleep error InterruptedException ocure");	
		}	
		
		setgpio(false);
	}
	
	public static void launchcmd(String cmd) 
	{
		// Wenn Simulation True ist kann sie auf dem PC ausfuehren
		// wenn die Simulation false is auf dem Raspberry PI
		boolean simulation = true;
		
		if(simulation==true){
			System.out.println(cmd);	
		} 
		else {
			try{
				Runtime.getRuntime().exec(cmd);
			}
			catch(IOException e)
			{
				System.out.println("process error IOException");					
			}
		}
	}
	
	
	public static void setgpio(boolean status) 
	{
		launchcmd("/usr/bin/gpio -g mode 14 out");
		
		if(status == true) 
		{
			launchcmd("/usr/bin/gpio -g write 14 1");
		}
		else 
		{
			launchcmd("/usr/bin/gpio -g write 14 0");
		}
	}
}