minidmx, display connection state in the gui

src/main/java/com/neophob/sematrix/output/MiniDmxDevice.java

@@ -91,4 +91,18 @@ public boolean isConnected() {
 	    return this.initialized;
 	}
 
+	@Override
+    public boolean isSupportConnectionState() {
+        return true;
+    }
+
+
+	@Override
+	public String getConnectionStatus(){
+	    if (initialized) {
+	        return "Connected on port "+miniDmx.getSerialPortName();	        
+	    }
+	    return "Not connected!";
+	}
+
 }

src/main/java/com/neophob/sematrix/output/minidmx/MiniDmxSerial.java

@@ -203,6 +203,8 @@ public static MiniDmxPayloadEnum getDmxPayload(int payloadSize) throws IllegalAr
 	/** map to store checksum of image. */
 	private long lastDataMap;
 
+	private String serialPortName="";	
+
 	/**
 	 * Create a new instance to communicate with the rainbowduino.
 	 *
@@ -245,7 +247,6 @@ public MiniDmxSerial(PApplet app, String portName, int targetBuffersize, int bau
 
 		lastDataMap = 0L;
 
-		String serialPortName="";	
 		this.miniDmxPayload = MiniDmxPayloadEnum.getDmxPayload(targetBuffersize);
 		LOG.log(Level.INFO,  "MiniDMX payload size: {0}, padding bytes: {1}, baudrate: {2}", new Object[] {
 		        this.miniDmxPayload.payloadSize,
@@ -363,7 +364,7 @@ public boolean ping() {
 		r.nextBytes(data);
 
 		//just send a frame
-		return sendFrame(data);
+		return sendFrame(data)>0;
 	}
 
 
@@ -376,7 +377,7 @@ public boolean ping() {
 	 * @param colorFormat the color format
 	 * @return true if send was successful
 	 */
-	public boolean sendRgbFrame(int[] data, ColorFormat colorFormat) {
+	public int sendRgbFrame(int[] data, ColorFormat colorFormat) {
 		return sendFrame(OutputHelper.convertBufferTo24bit(data, colorFormat));
 	}
 
@@ -419,7 +420,7 @@ private boolean didFrameChange(byte data[]) {
 	 * @return true if send was successful
 	 * @throws IllegalArgumentException the illegal argument exception
 	 */
-	public boolean sendFrame(byte data[]) throws IllegalArgumentException {
+	public int sendFrame(byte data[]) throws IllegalArgumentException {
 	    //respect the padding!
         int sourceDataLength = miniDmxPayload.getPayloadSize()-miniDmxPayload.paddingBytes;
 
@@ -438,14 +439,14 @@ public boolean sendFrame(byte data[]) throws IllegalArgumentException {
 		//send frame only if needed
 		if (didFrameChange(data)) {
 			if (sendSerialData(cmdfull)) {
-				return true;
+				return cmdfull.length;
 			} else {
 				//in case of an error, make sure we send it the next time!
 				lastDataMap=0L;
 			}
 		}
 
-		return false;
+		return -1;
 	}
 
 
@@ -583,5 +584,13 @@ public long getAckErrors() {
 		return ackErrors;
 	}
 
+	/**
+	 * 
+	 * @return
+	 */
+	public String getSerialPortName() {
+		return serialPortName;
+	}
+
 
 }