[dsmr] Catch exceptions for RFC2217 compatibility (openhab#8420)

Signed-off-by: Wouter Born <[email protected]>
andrewfg · Oct 8, 2020 · 0fc13c4 · 0fc13c4
1 parent 1dec0d0
commit 0fc13c4
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/...src/main/java/org/openhab/binding/dsmr/internal/device/connector/DSMRSerialConnector.java b/...src/main/java/org/openhab/binding/dsmr/internal/device/connector/DSMRSerialConnector.java
@@ -155,8 +155,16 @@ public void open(DSMRSerialSettings portSettings) {
             serialPort.notifyOnOverrunError(true);
             serialPort.notifyOnParityError(true);
 
-            serialPort.enableReceiveThreshold(SERIAL_TIMEOUT_MILLISECONDS);
-            serialPort.enableReceiveTimeout(SERIAL_TIMEOUT_MILLISECONDS);
+            try {
+                serialPort.enableReceiveThreshold(SERIAL_TIMEOUT_MILLISECONDS);
+            } catch (UnsupportedCommOperationException e) {
+                logger.debug("Enable receive threshold is unsupported");
+            }
+            try {
+                serialPort.enableReceiveTimeout(SERIAL_TIMEOUT_MILLISECONDS);
+            } catch (UnsupportedCommOperationException e) {
+                logger.debug("Enable receive timeout is unsupported");
+            }
             // The binding is ready, let the meter know we want to receive values
             serialPort.setRTS(true);
             if (!serialPortReference.compareAndSet(oldSerialPort, serialPort)) {