1 files changed, 136 insertions, 0 deletions
diff --git a/ArduinoSerial/ArduinoSerial.java b/ArduinoSerial/ArduinoSerial.java
new file mode 100644
index 0000000..33dd8b1
--- /dev/null
+++ b/ArduinoSerial/ArduinoSerial.java
@@ -0,0 +1,136 @@
+/**
+ *
+ *
+ *
+ */
+
+
+import gnu.io.*;
+import java.io.*;
+import java.util.*;
+
+
+
+public class ArduinoSerial implements SerialPortEventListener
+{
+    public boolean debug = false;
+
+    static int           rate = 57600;
+    static final int databits = 8;
+    static final int parity   = SerialPort.PARITY_NONE;
+    static final int stopbits = SerialPort.STOPBITS_1;
+
+    public SerialPort port    = null;
+    public String portname    = "/dev/tty.usbmodem000014FD1";
+
+    /** the serial input stream, normally you don't need access to this */
+    public InputStream input;
+    /** the serial output stream, normally you don't need access to this */
+    public OutputStream output;
+
+    
+    public static void main(String[] args) {
+        new ArduinoSerial(args);
+    }
+
+    public ArduinoSerial(String[] args) {
+
+        boolean connected = open_port();
+
+        if( connected ) {
+            
+            while( true ) {
+                try {
+                    String msg = "abcdefghijklmnopqrstuvwxyz\r\n";
+                    //{ 'a','b','c','d','e','f','g','i','j'};
+                    byte[] msgbytes = msg.getBytes();
+                    //System.out.println("writing...");
+                    output.write('h');
+                    output.write('e');
+                    output.write('l');
+                    output.write('l');
+                    output.write('o');
+                    output.write(msgbytes);
+                    Thread.sleep(100);
+                } catch (Exception e) { // null pointer or serial port dead
+                    e.printStackTrace();
+                }
+            }
+        }
+        else { 
+            logmsg("not connected");
+        }
+    }
+
+    /**
+     *
+     */
+    private boolean open_port() {
+        boolean success = false;
+        try {
+            Enumeration portList = CommPortIdentifier.getPortIdentifiers();
+            while (portList.hasMoreElements()) {
+                CommPortIdentifier portId =
+                    (CommPortIdentifier) portList.nextElement();
+                if (portId.getPortType() == CommPortIdentifier.PORT_SERIAL) {
+                    //System.out.println("found " + portId.getName());
+                    if (portId.getName().equals(portname)) {
+                        //logmsg("open_port:"+ portId);
+                        port = (SerialPort)portId.open("arduino serial", 2000);
+                        //port.setFlowControlMode(SerialPort.FLOWCONTROL_NONE);
+                        port.disableReceiveThreshold();
+                        port.enableReceiveTimeout(3000);
+                        port.setSerialPortParams(rate,
+                                                 SerialPort.DATABITS_8,
+                                                 SerialPort.STOPBITS_1,
+                                                 SerialPort.PARITY_NONE); 
+                        input  = port.getInputStream();
+                        output = port.getOutputStream();
+                        //port.setSerialPortParams(rate,databits,stopbits,parity);
+                        port.addEventListener(this);
+                        port.notifyOnDataAvailable(true);
+                        logmsg("port "+portname+" opened successfully");
+                        success = true;
+                    }
+                }
+            }
+      
+        } catch (Exception e) {
+            logmsg("connect failed: "+e);
+            port = null;
+            input = null;
+            output = null;
+        }
+                        
+        return success;
+    }
+
+
+    /**
+     * callback for SerialPortEventListener
+     * (from processing.serial.Serial)
+     */
+    synchronized public void serialEvent(SerialPortEvent serialEvent) {
+        try {
+            logmsg("serialEvent:"+serialEvent+", nvail:"+input.available());
+            if (serialEvent.getEventType() == SerialPortEvent.DATA_AVAILABLE) {
+                while (input.available() > 0) {
+                    System.out.print( (char)input.read() );  // HACK
+                } // while
+            }
+        } catch (IOException e) {
+            logmsg("serialEvent " + e);
+        }
+    }
+    
+    /**
+     * just a little debug 
+     */
+    public void logmsg(String msg) {
+        if(debug) 
+            System.err.println("ArduinoSerial("+System.currentTimeMillis()+
+                               "):"+ msg);
+    }
+
+
+}