123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166 |
- import java.awt.BorderLayout;
- import java.awt.event.KeyEvent;
- import java.awt.event.KeyListener;
- import java.io.DataInputStream;
- import java.io.DataOutputStream;
- import java.io.IOException;
- import javax.swing.JFrame;
- import javax.swing.JOptionPane;
- import javax.swing.JPanel;
- import javax.swing.SwingUtilities;
- import lejos.pc.comm.NXTComm;
- import lejos.pc.comm.NXTCommException;
- import lejos.pc.comm.NXTCommFactory;
- import lejos.pc.comm.NXTInfo;
- public class Map extends JPanel implements KeyListener {
- private ImageMap map;
-
- private DataOutputStream output;
- private DataInputStream input;
- private int before;
- public static final byte FORWARD = 0;
- public static final byte STOP = 1;
- public static final byte EXIT = 2;
- public static final byte LEFT = 3;
- public static final byte RIGHT = 4;
- public static final byte BACKWARD = 5;
-
- private class Receiver extends Thread {
- @Override
- public void run() {
- int bytes_valiable = -1;
-
- while(true) {
- try {
- bytes_valiable = input.available();
- } catch (IOException e1) {
- // TODO Auto-generated catch block
- e1.printStackTrace();
- }
- if (bytes_valiable >= 0) {
- try {
- if (input.readByte() != '@') continue;
- int angle = input.readByte();
- float alpha = input.readFloat();
- float x = input.readFloat();
- int distance = input.readByte();
- float y = input.readFloat();
- System.out.println(x+" "+y);
- } catch (IOException e1) {
- continue;
- }
- }
- }
- }
- }
-
- public Map (DataInputStream in, DataOutputStream out) {
- JFrame frame = new JFrame("Mapa MAC0318");
- Receiver r = new Receiver();
- output = out;
- input = in;
- before = -1;
-
- frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- frame.setLayout(new BorderLayout());
- map = new ImageMap();
- frame.add(this.map);
- frame.setSize(800, 800);
- frame.setVisible(true);
-
- frame.setFocusable(true);
- frame.requestFocusInWindow();
- frame.addKeyListener(this);
-
- r.start();
-
- String text = "1,2,3 - Change view mode.\n";
- text += "s - Save image.\n";
- text += "l - Show trace.\n";
- JOptionPane.showMessageDialog(null, text);
- }
-
- public void addPoint(Point3D p) {
- map.addPoint(p);
- }
- @Override
- public void keyPressed(KeyEvent e) {
- char input = e.getKeyChar();
- if (input == '1') map.setVisual(0);
- else if (input == '2') map.setVisual(1);
- else if (input == '3') map.setVisual(2);
- else if (input == 'l') map.showLine();
- else if (input == 's') map.save();
-
- switch(e.getKeyCode()) {
- case KeyEvent.VK_UP:
- sendCmd(FORWARD);
- break;
- case KeyEvent.VK_DOWN:
- sendCmd(BACKWARD);
- break;
- case KeyEvent.VK_LEFT:
- sendCmd(LEFT);
- break;
- case KeyEvent.VK_RIGHT :
- sendCmd(RIGHT);
- break;
- }
- }
- @Override
- public void keyReleased(KeyEvent arg0) {
- sendCmd(STOP);
- }
- @Override
- public void keyTyped(KeyEvent arg0) {
- // TODO Auto-generated method stub
-
- }
-
- private void sendCmd (int cmd) {
- if (before != cmd) {
- try {
- output.write(cmd);
- output.flush();
- System.out.println("Send cmd");
- } catch (IOException e1) {
- System.out.println("Erro send cmd");
- before = -1;
- sendCmd (cmd);
- }
- before = cmd;
- }
- }
-
- public static void main(String[] args) throws NXTCommException, IOException {
- NXTComm nxtComm = NXTCommFactory.createNXTComm(NXTCommFactory.BLUETOOTH);
- NXTInfo[] nxtInfo = nxtComm.search("NXT8"); //find brick with NXT_ID by doing a Bluetooth inquiry
- if (nxtInfo.length == 0) { // failed to find a brick with the ID
- System.err.println("NO NXT found");
- System.exit(1);
- }
- if (!nxtComm.open(nxtInfo[0])) { // the brick was found but a connection could not be establish
- System.err.println("Failed to open NXT");
- System.exit(1);
- }
-
- final DataInputStream input = new DataInputStream(nxtComm.getInputStream()); // open data input stream
- final DataOutputStream output = new DataOutputStream(nxtComm.getOutputStream()); // open data output stream
-
- SwingUtilities.invokeLater(new Runnable() {
- public void run() {
- new Map(input, output);
- }
- });
-
- }
- }
|