abstract: synchronize method to get next frame ID to avoid multiple t…

…hreads to increment the counter at the same time This could fix an issue of a customer getting sometimes an IllegalArgumentException when sending data (#130). Signed-off-by: Ruben Moral <[email protected]>
digidotcom · Jan 28, 2019 · a22dbba · a22dbba
1 parent dd61eff
commit a22dbba
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/library/src/main/java/com/digi/xbee/api/AbstractXBeeDevice.java b/library/src/main/java/com/digi/xbee/api/AbstractXBeeDevice.java
@@ -1460,7 +1460,7 @@ private void writePacket(XBeePacket packet) throws IOException {
 	 * 
 	 * @return The next Frame ID.
 	 */
-	protected int getNextFrameID() {
+	protected synchronized int getNextFrameID() {
 		if (isRemote())
 			return localXBeeDevice.getNextFrameID();
 		if (currentFrameID == 0xff) {