1import java.util.Scanner;
2import javax.swing.JFrame;
3import javax.swing.JSlider;
4import j.extensions.comm.*;
5
6public class Main {
7
8 public static void main(String[] args) {
9 // create a window with a slider
10 JFrame window = new JFrame();
11 JSlider slider = new JSlider();
12 slider.setMaximum(1023);
13 window.add(slider);
14 window.pack();
15 window.setVisible(true);
16
17 // determine which serial port to use
18 SerialComm ports[] = SerialComm.getCommPorts();
19 System.out.println("Select a port:");
20 int i = 1;
21 for(SerialComm port : ports) {
22 System.out.println(i++ + ". " + port.getSystemPortName());
23 }
24 Scanner s = new Scanner(System.in);
25 int chosenPort = s.nextInt();
26
27 // open and configure the port
28 SerialComm port = ports[chosenPort - 1];
29 if(port.openPort()) {
30 System.out.println("Successfully opened the port.");
31 } else {
32 System.out.println("Unable to open the port.");
33 return;
34 }
35 port.setComPortTimeouts(SerialComm.TIMEOUT_READ_SEMI_BLOCKING, 0, 0);
36
37 // enter into an infinite loop that reads from the port and updates the GUI
38 Scanner data = new Scanner(port.getInputStream());
39 while(data.hasNextLine()) {
40 int number = 0;
41 try{number = Integer.parseInt(data.nextLine());}catch(Exception e){}
42 slider.setValue(number);
43 }
44 }
45
46}
47