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/*
* This class is one end of a test pair of programs
* SimpleRead.class is the other end.
* To run the test requires two com ports
* and a null modem cable.
* Start SimpleSnuV1 and then run SimpleRead
* on the other machine/com port.
* This code is supplied for demonstration purposes only.
* You are free to use it as you please.
*/
import java.io.*;
import java.util.*;
import gnu.io.*;
public class SimpleSnuV1 implements Runnable, SerialPortEventListener {
static CommPortIdentifier portId;
static Enumeration portList;
InputStream inputStream;
OutputStream outputStream;
SerialPort serialPort;
Thread readThread;
int numBytes = 0;
String num = "021891383";
String rst = "atz";
String dial ="atd";
String outData = "";
String outDataBuff = "";
boolean running = true;
boolean process = true;
boolean waitForInput = true;
public static void main(String[] args) {
if (args.length < 1) {
System.out.print("SimpleSnuV1.class /dev/ttyxx\n");
System.exit(-1);
}
portList = CommPortIdentifier.getPortIdentifiers();
while (portList.hasMoreElements()) {
portId = (CommPortIdentifier) portList.nextElement();
if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
if (portId.getName().equals(args[0])) {
SimpleSnuV1 reader = new SimpleSnuV1();
}
}
}
}
public SimpleSnuV1() {
try {
serialPort = (SerialPort) portId.open("SimpleSnu", 2000);
} catch (PortInUseException e) {}
try {
inputStream = serialPort.getInputStream();
outputStream = serialPort.getOutputStream();
} catch (IOException e) {}
try {
serialPort.setSerialPortParams(19200, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
} catch (UnsupportedCommOperationException e) {}
byte[] readBuffer = new byte[20];
try {
serialPort.addEventListener(this);
} catch (TooManyListenersException e) {
System.out.print("To Many Event Listeners\n");
System.exit(-1);
}
serialPort.notifyOnDataAvailable(true);
readThread = new Thread(this);
readThread.start();
}
public void run() {
int resetCount = 0;
int numBytes = 0;
byte[] readBuffer = new byte[20];
String sReadBuff = "";
boolean connected = false;
while (running) {
if (!connected) {
try {
while (inputStream.available() > 0) {
numBytes = inputStream.read(readBuffer);
String tmpR = new String(readBuffer);
sReadBuff += tmpR.substring(0, numBytes);
}
} catch (IOException e) {
System.exit(1);
}
if (!sReadBuff.equals("")) {
System.out.print(sReadBuff + "\n");
} else {
}
int pos = 0;
if ((pos = sReadBuff.indexOf("atz")) != -1) {
try {
Thread.sleep(1000);
} catch (InterruptedException e) {}
try {
outputStream.write(new String("OK").getBytes());
outputStream.write((byte)0x0D);
outputStream.write((byte)0x0A);
System.out.print("OK Sent\n");
} catch (IOException e) {
System.exit(1);
}
sReadBuff = "";
} else if ((pos = sReadBuff.indexOf("atd")) != -1) {
sReadBuff = "";
try {
Thread.sleep(1000);
} catch (InterruptedException e) {}
try {
outputStream.write(new String("CONNECT 9600").getBytes());
outputStream.write((byte)0x0D);
outputStream.write((byte)0x0A);
// connected = true;
} catch (IOException e) {
System.exit(1);
}
try {
Thread.sleep(2000);
} catch (InterruptedException e) {}
}
} else {
}
try {
Thread.sleep(100);
} catch (InterruptedException e) {}
}
System.out.print("Normal Exit...\n");
}
public void serialEvent(SerialPortEvent event) {
// try {
// Thread.sleep(500);
// } catch (InterruptedException e) {}
switch(event.getEventType()) {
case SerialPortEvent.BI:
System.out.print("BI\n");
break;
case SerialPortEvent.OE:
System.out.print("OE\n");
break;
case SerialPortEvent.FE:
System.out.print("FE\n");
break;
case SerialPortEvent.PE:
System.out.print("PE\n");
break;
case SerialPortEvent.CD:
System.out.print("CD\n");
break;
case SerialPortEvent.CTS:
System.out.print("CTS\n");
break;
case SerialPortEvent.DSR:
System.out.print("DSR\n");
break;
case SerialPortEvent.RI:
System.out.print("RI\n");
break;
case SerialPortEvent.OUTPUT_BUFFER_EMPTY:
System.out.print("Out Buff Empty\n");
break;
case SerialPortEvent.DATA_AVAILABLE:
// waitForInput = false;
System.out.print("Data Available\n");
break;
}
}
}
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