Set/get EMI type is only mandatory if > 1 EMI types are supported

calimero-project · Apr 25, 2024 · 63e7c69 · 63e7c69
1 parent e4d402b
commit 63e7c69
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/src/io/calimero/link/KNXNetworkMonitorUsb.java b/src/io/calimero/link/KNXNetworkMonitorUsb.java
@@ -177,8 +177,13 @@ private boolean trySetActiveEmi(final UsbConnection.EmiType active)
 		throws KNXPortClosedException, KNXTimeoutException, InterruptedException
 	{
 		if (emiTypes.contains(active)) {
-			conn.setActiveEmiType(active);
-			activeEmi = conn.activeEmiType();
+			// set & get/response of EMI type is only mandatory if > 1 EMI types are supported
+			if (emiTypes.size() > 1) {
+				conn.setActiveEmiType(active);
+				activeEmi = conn.activeEmiType();
+			}
+			else
+				activeEmi = active;
 			return activeEmi == active;
 		}
 		return false;