import gnu.io.CommPortIdentifier;
import gnu.io.SerialPort;
import gnu.io.SerialPortEvent;
import gnu.io.SerialPortEventListener;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import java.util.TooManyListenersException;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JOptionPane;
/**
*
* @author Ángel Acaymo M. G. (Meta).
*/
//##############################JM################################################
/* La clase debe implementar la interfaz SerialPortEventListener porque esta
misma clase será la encargada de trabajar con el evento escucha cuando reciba
datos el puerto serie. */
public class EP_JAVA_Frame
extends javax.
swing.
JFrame implements SerialPortEventListener
{ //##############################JM################################################
/**
* Creates new form EP_JAVA_Frame
*/
// Variables.
private static final String Led_8_ON
= "Led_8_ON"; private static final String Led_8_OFF
= "Led_8_OFF"; private static final String Led_13_ON
= "Led_13_ON"; private static final String Led_13_OFF
= "Led_13_OFF";
// Variables de conexión.
//##############################JM################################################
/* Así como declaraste una variable ouuput para obtener el canal de salida
también creamos una variable para obtener el canal de entrada. */
//##############################JM################################################
SerialPort serialPort;
private final String PUERTO
= "COM4"; private static final int TIMEOUT = 2000; // 2 segundos.
private static final int DATA_RATE = 115200; // Baudios.
public EP_JAVA_Frame() {
initComponents();
inicializarConexion();
}
public void inicializarConexion() {
CommPortIdentifier puertoID = null;
Enumeration puertoEnum
= CommPortIdentifier.
getPortIdentifiers();
while (puertoEnum.hasMoreElements()) {
CommPortIdentifier actualPuertoID = (CommPortIdentifier) puertoEnum.nextElement();
if (PUERTO.equals(actualPuertoID.getName())) {
puertoID = actualPuertoID;
break;
}
}
if (puertoID == null) {
mostrarError("No se puede conectar al puerto");
}
try {
serialPort = (SerialPort) puertoID.open(this.getClass().getName(), TIMEOUT);
// Parámatros puerto serie.
serialPort.setSerialPortParams(DATA_RATE, SerialPort.DATABITS_8, SerialPort.STOPBITS_2, SerialPort.PARITY_NONE);
output = serialPort.getOutputStream();
mostrarError(e.getMessage());
}
//##############################JM################################################
/* Aquií asignamos el canal de entrada del puerto serie a nuestra variable input,
con sus debido capturador de error. */
try {
input = serialPort.getInputStream();
Logger.getLogger(EP_JAVA_Frame.class.getName()).log(Level.SEVERE, null, ex);
}
/* Aquí agregamos el evento de escucha del puerto serial a esta misma clase
(recordamos que nuestra clase implementa SerialPortEventListener), el método que
sobreescibiremos será serialevent. */
try {
serialPort.addEventListener(this);
serialPort.notifyOnDataAvailable(true);
Logger.getLogger(EP_JAVA_Frame.class.getName()).log(Level.SEVERE, null, ex);
}
//##############################JM################################################
}
//##############################JM################################################
/* Este evento es el que sobreescribiremos de la interfaz SerialPortEventListener,
este es lanzado cuando se produce un evento en el puerto como por ejemplo
DATA_AVAILABLE (datos recibidos) */
@Override
public void serialEvent(SerialPortEvent spe) {
if (spe.getEventType() == SerialPortEvent.DATA_AVAILABLE) {
byte[] readBuffer = new byte[20];
try {
int numBytes = 0;
while (input.available() > 0) {
numBytes = input.read(readBuffer); //Hacemos uso de la variable input que
//creamos antes, input es nuestro canal de entrada.
}
jTextArea1.
append(new String(readBuffer,
0, numBytes,
"us-ascii")); // Convertimos de bytes a String y asignamos al JTEXTAREA.
// Leelos últimos datos.
jTextArea1.setCaretPosition(jTextArea1.getDocument().getLength());
}
}
}
//##############################JM################################################
private void enviarDatos
(String datos
) { try {
output.write(datos.getBytes());
mostrarError("ERROR");
}
}
public void mostrarError
(String mensaje
) { }
/**
* This method is called from within the constructor to initialize the form.
* WARNING: Do NOT modify this code. The content of this method is always
* regenerated by the Form Editor.
*/
@SuppressWarnings("unchecked")
// <editor-fold defaultstate="collapsed" desc="Generated Code">
private void initComponents() {
jLabel1
= new javax.
swing.
JLabel(); jLabel2
= new javax.
swing.
JLabel(); jButton1
= new javax.
swing.
JButton(); jButton2
= new javax.
swing.
JButton(); jButton3
= new javax.
swing.
JButton(); jButton4
= new javax.
swing.
JButton(); jLabel3
= new javax.
swing.
JLabel();
setTitle("Mini Interfaz Java");
jLabel1.setText("Led 8");
jLabel2.setText("Led 13");
jButton1.setText("ON");
public void actionPerformed
(java.
awt.
event.
ActionEvent evt
) { jButton1ActionPerformed(evt);
}
});
jButton2.setText("OFF");
public void actionPerformed
(java.
awt.
event.
ActionEvent evt
) { jButton2ActionPerformed(evt);
}
});
jButton3.setText("ON");
public void actionPerformed
(java.
awt.
event.
ActionEvent evt
) { jButton3ActionPerformed(evt);
}
});
jButton4.setText("OFF");
public void actionPerformed
(java.
awt.
event.
ActionEvent evt
) { jButton4ActionPerformed(evt);
}
});
jTextArea1.setColumns(20);
jTextArea1.setRows(5);
jScrollPane1.setViewportView(jTextArea1);
jLabel3.setText("Mensajes desde Arduino:");
javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
getContentPane().setLayout(layout);
layout.setHorizontalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.
addComponent(jScrollPane1, javax.
swing.
GroupLayout.
DEFAULT_SIZE,
217,
Short.
MAX_VALUE) .addGroup(layout.createSequentialGroup()
.addComponent(jLabel1)
.
addPreferredGap(javax.
swing.
LayoutStyle.
ComponentPlacement.
RELATED, javax.
swing.
GroupLayout.
DEFAULT_SIZE,
Short.
MAX_VALUE) .addComponent(jLabel2))
.addGroup(layout.createSequentialGroup()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING, false)
.
addComponent(jButton1, javax.
swing.
GroupLayout.
DEFAULT_SIZE, javax.
swing.
GroupLayout.
DEFAULT_SIZE,
Short.
MAX_VALUE) .
addComponent(jButton2, javax.
swing.
GroupLayout.
DEFAULT_SIZE, javax.
swing.
GroupLayout.
DEFAULT_SIZE,
Short.
MAX_VALUE)) .
addPreferredGap(javax.
swing.
LayoutStyle.
ComponentPlacement.
RELATED, javax.
swing.
GroupLayout.
DEFAULT_SIZE,
Short.
MAX_VALUE) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
.
addComponent(jButton4, javax.
swing.
GroupLayout.
DEFAULT_SIZE, javax.
swing.
GroupLayout.
DEFAULT_SIZE,
Short.
MAX_VALUE) .
addComponent(jButton3, javax.
swing.
GroupLayout.
DEFAULT_SIZE, javax.
swing.
GroupLayout.
DEFAULT_SIZE,
Short.
MAX_VALUE))) .addGroup(layout.createSequentialGroup()
.addComponent(jLabel3)
.
addGap(0,
0,
Short.
MAX_VALUE))) .addContainerGap())
);
layout.setVerticalGroup(
layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
.addGroup(layout.createSequentialGroup()
.addContainerGap()
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jLabel1)
.addComponent(jLabel2))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton1)
.addComponent(jButton3))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
.addComponent(jButton2)
.addComponent(jButton4))
.addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
.addComponent(jLabel3)
.
addPreferredGap(javax.
swing.
LayoutStyle.
ComponentPlacement.
RELATED, javax.
swing.
GroupLayout.
DEFAULT_SIZE,
Short.
MAX_VALUE) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
.addContainerGap())
);
jLabel1.getAccessibleContext().setAccessibleName("jLabel_Led_8");
jButton1.getAccessibleContext().setAccessibleName("jButton_Led_8_ON");
jButton2.getAccessibleContext().setAccessibleName("jButton_Led_8_OFF");
jButton3.getAccessibleContext().setAccessibleName("jButton_Led_13_ON");
jButton4.getAccessibleContext().setAccessibleName("jButton_Led_13_OFF");
pack();
setLocationRelativeTo(null);
}// </editor-fold>
private void jButton1ActionPerformed
(java.
awt.
event.
ActionEvent evt
) { enviarDatos(Led_8_ON); // Enciende Led 8.
}
private void jButton2ActionPerformed
(java.
awt.
event.
ActionEvent evt
) { enviarDatos(Led_8_OFF); // Apaga Led 8.
}
private void jButton3ActionPerformed
(java.
awt.
event.
ActionEvent evt
) { enviarDatos(Led_13_ON); // Enciende Led 13.
}
private void jButton4ActionPerformed
(java.
awt.
event.
ActionEvent evt
) { enviarDatos(Led_13_OFF); // Apaga Led 13.
}
/**
* @param args the command line arguments
*/
public static void main
(String args
[]) { /* Set the Nimbus look and feel */
//<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
/* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
* For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html
*/
try {
if ("Nimbus".equals(info.getName())) {
javax.
swing.
UIManager.
setLookAndFeel(info.
getClassName()); break;
}
}
java.util.logging.Logger.getLogger(EP_JAVA_Frame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
java.util.logging.Logger.getLogger(EP_JAVA_Frame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
java.util.logging.Logger.getLogger(EP_JAVA_Frame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
java.util.logging.Logger.getLogger(EP_JAVA_Frame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
}
//</editor-fold>
/* Create and display the form */
public void run() {
new EP_JAVA_Frame().setVisible(true);
}
});
}
// Variables declaration - do not modify
private javax.
swing.
JButton jButton1
; private javax.
swing.
JButton jButton2
; private javax.
swing.
JButton jButton3
; private javax.
swing.
JButton jButton4
; private javax.
swing.
JLabel jLabel1
; private javax.
swing.
JLabel jLabel2
; private javax.
swing.
JLabel jLabel3
; // End of variables declaration
}