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   源码介绍

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控制三个步进电机任意动作，底层是单片机

可以使用Eclipse软件打开

package cn.jinggang.com;

import java.awt.Color;
import java.awt.Container;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

import gnu.io.CommPort;
import gnu.io.CommPortIdentifier;
import gnu.io.SerialPort;
import gnu.io.SerialPortEvent;
import gnu.io.SerialPortEventListener;

public class mainpicture extends JFrame implements ActionListener,SerialPortEventListener{
	private JButton servo_1_push;
	private JButton servo_1_pull;
	private JButton servo_1_round;
	
	private JButton servo_2_push;
	private JButton servo_2_pull;
	private JButton servo_2_round;
	
	private JButton servo_3_push;
	private JButton servo_3_pull;
	private JButton servo_3_round;
	
	private JButton servo_stop;
	
	private JButton servo_connect;
	
	private JLabel label;
	
	LED led_connect=null;
	boolean connect;
	InputStream inputstream=null;
	OutputStream outputstream=null;
	CommPort commport=null;
	SerialPort serialport=null;
	
public mainpicture(){
	super();
	addWindowListener(new WindowAdapter(){
		public void WindowClosing(WindowEvent me){
			if(connect){
				closeconnection();
			};
			dispose();
			System.exit(0);
		}
	});
	servo_1_push=new JButton("电缸1推");
	servo_1_push.addActionListener(this);
	
	servo_1_pull=new JButton("电缸1拉");
	servo_1_pull.addActionListener(this);
	
	servo_1_round=new JButton("电缸1循坏");
	servo_1_round.addActionListener(this);
	
	servo_2_push=new JButton("电缸2推");
	servo_2_push.addActionListener(this);
	
	servo_2_pull=new JButton("电缸2拉");
	servo_2_pull.addActionListener(this);
	
	servo_2_round=new JButton("电缸2循坏");
	servo_2_round.addActionListener(this);
	
	servo_3_push=new JButton("电缸3推");
	servo_3_push.addActionListener(this);
	
	servo_3_pull=new JButton("电缸3拉");
	servo_3_pull.addActionListener(this);
	
	servo_3_round=new JButton("电缸3循坏");
	servo_3_round.addActionListener(this);
	
	servo_stop=new JButton("停止");
	servo_stop.addActionListener(this);
	
	servo_connect=new JButton("connect|stop");
	servo_connect.addActionListener(this);
	
	led_connect=new LED(Color.GREEN,false);
	label=new JLabel("电缸测试");
	
	Container cont=getContentPane();
	cont.setLayout(new BoxLayout(cont,BoxLayout.Y_AXIS));
	cont.add(label);
	Box hBox=Box.createHorizontalBox();
	hBox.add(servo_1_push);
	hBox.add(Box.createHorizontalStrut(10));
	hBox.add(servo_1_pull);
	hBox.add(Box.createHorizontalStrut(10));
	hBox.add(servo_1_round);
	cont.add(hBox);
	hBox=Box.createHorizontalBox();
	hBox.add(servo_2_push);
	hBox.add(Box.createHorizontalStrut(10));
	hBox.add(servo_2_pull);
	hBox.add(Box.createHorizontalStrut(10));
	hBox.add(servo_2_round);
	cont.add(hBox);
	hBox=Box.createHorizontalBox();
	hBox.add(servo_3_push);
	hBox.add(Box.createHorizontalStrut(10));
	hBox.add(servo_3_pull);
	hBox.add(Box.createHorizontalStrut(10));
	hBox.add(servo_3_round);
	cont.add(hBox);
	hBox=Box.createHorizontalBox();
	hBox.add(led_connect);
	hBox.add(Box.createHorizontalStrut(10));
	hBox.add(servo_connect);
	hBox.add(Box.createHorizontalStrut(10));
	hBox.add(servo_stop);
	cont.add(hBox);
	pack();
	setVisible(true);
			
}


public void closeconnection(){
	 try{
         inputstream.close();
   }catch (Exception ex){
         ex.printStackTrace();
   }
    try{
         outputstream.close();
   }catch (Exception ex){
         ex.printStackTrace();
   }            
   try{
         commport.close();
   }catch (Exception ex){
         ex.printStackTrace();
   }
   connect=false;
   led_connect.setOn(false);
}


public void connect() throws Exception{
	String PortName="COM9";
	CommPortIdentifier  portIdentifier=CommPortIdentifier.getPortIdentifier(PortName);
	if(portIdentifier.isCurrentlyOwned()){
		label.setText("Error:port is currently in use");
	}else{
		commport=portIdentifier.open(this.getClass().getName(),2000);
		if(commport instanceof SerialPort){
			serialport=(SerialPort)commport;
			serialport.setSerialPortParams(9600, SerialPort.DATABITS_8,SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
			inputstream=serialport.getInputStream();
			outputstream=serialport.getOutputStream();
			serialport.addEventListener(this);
			
		}else{
			label.setText("Errof:only serial ports  are handled by this example");
		};
	};
	    try{
	     Thread.sleep(300);
	    }catch(InterruptedException ie){};
	
}

	
	class LED extends JPanel{
		boolean on=true;
		Color color_on=null;
		Color color_off=null;
		
		LED(Color color,boolean on_off){
			color_on=color;
			color_on=color.darker().darker();
			Dimension dimension=new Dimension(17,17);
			setMinimumSize(dimension);
			setPreferredSize(dimension);
			setMaximumSize(dimension);
			setOn(on_off);
		}
		
		public void setOn(boolean on_off){
			on=on_off;
			repaint();
		}
		
		public boolean geton(){
			return on;
		}
		
		public void paintComponent(Graphics g){
			super.paintComponent(g);
			Graphics2D g2D=(Graphics2D)g;
			g2D.setColor(Color.DARK_GRAY);
			g2D.fillOval(0, 0, getWidth(), getHeight());
			if(on){
				g.setColor(color_on);
			}else{
				g.setColor(color_off);
			}
			g2D.fillOval(1, 1, getWidth()-1, getHeight()-1);
		}
	}


	@Override
	public void actionPerformed(ActionEvent e) {
		// TODO Auto-generated method stub
		if(e.getSource()==servo_connect){
			if(connect==false){
				new connectMake().start();
			}else{
				closeconnection();
			}
		}
		
		if(e.getSource()==servo_1_push){
			new serialwrite("1").start();
		}
		if(e.getSource()==servo_1_pull){
			new serialwrite("2").start();
		}
		if(e.getSource()==servo_1_round){
			new serialwrite("3").start();
		}
		
		
		if(e.getSource()==servo_2_push){
			new serialwrite("4").start();
		}
		if(e.getSource()==servo_2_pull){
			new serialwrite("5").start();
		}
		if(e.getSource()==servo_2_round){
			new serialwrite("6").start();
		}
		
		
		if(e.getSource()==servo_3_push){
			new serialwrite("7").start();
		}
		if(e.getSource()==servo_3_pull){
			new serialwrite("8").start();
		}
		if(e.getSource()==servo_3_round){
			new serialwrite("9").start();
		}
		
		if(e.getSource()==servo_stop){
			new serialwrite("0").start();
		}
		
		
			
	}
	
	public class connectMake extends Thread{
		public void run(){
			try {
				connect();
			} catch (Exception e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
			
			
			try {
				int data=-1;
				while((data=inputstream.read())<0){
					this.sleep(100);
				}
			} catch (InterruptedException ie) {
				// TODO Auto-generated catch block
				if(led_connect.geton())
					{
					led_connect.setOn(false);
					}else{
						led_connect.setOn(true);
					}
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			};
			serialport.notifyOnOverrunError(true);
			connect=true;
			led_connect.setOn(true);
			new serialwrite("Ready").start();
		}
	}
	
	public class serialwrite extends Thread{
		char[] charArray=null;
		serialwrite(String string){
			charArray=string.toCharArray();
		}
		
		public void run(){
			for(int i=0;i<charArray.length;i  ){
				try {
					outputstream.write(charArray[i]);
				} catch (IOException e) {
					// TODO Auto-generated catch block
					e.printStackTrace();
					System.exit(-1);
				}
			}
		}
	}
	
	
	
public static void main(String[] args){
	new mainpicture();
}


@Override
public void serialEvent(SerialPortEvent arg0) {
	// TODO Auto-generated method stub
	
}
}