Accessor for checking frame type (std/ext)

src/io/calimero/link/medium/RawFrameBase.java

@@ -1,6 +1,6 @@
 /*
     Calimero 2 - A library for KNX network access
-    Copyright (c) 2006, 2023 B. Malinowsky
+    Copyright (c) 2006, 2024 B. Malinowsky
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -120,6 +120,9 @@ public final int getFrameType()
 		return type;
 	}
 
+	/** {@return {@code true} if extended frame, {@code false} if standard frame} */
+	public final boolean extended() { return ext; }
+
 	/**
 	 * {@return the KNX individual source address}
 	 */