1 files changed, 5 insertions, 4 deletions
diff --git a/src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java b/src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java
index 60a9365c5..c2146c22d 100644
--- a/src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/LaipacProtocolDecoder.java
@@ -28,6 +28,7 @@ import org.traccar.helper.PatternBuilder;
 import org.traccar.model.CellTower;
 import org.traccar.model.Network;
 import org.traccar.model.Position;
+import org.traccar.helper.BitUtil;
 
 import java.net.SocketAddress;
 import java.util.regex.Pattern;
@@ -114,14 +115,14 @@ public class LaipacProtocolDecoder extends BaseProtocolDecoder {
             char inputStatus = event.charAt(0);
             if (inputStatus >= 'A' && inputStatus <= 'D') {
                 int inputStatusInt = inputStatus - 'A';
-                position.set(Position.PREFIX_IN + 1, inputStatusInt & 1);
-                position.set(Position.PREFIX_IN + 2, inputStatusInt & 2);
+                position.set(Position.PREFIX_IN + 1, BitUtil.check(inputStatusInt, 0));
+                position.set(Position.PREFIX_IN + 2, BitUtil.check(inputStatusInt, 1));
                 position.set(Position.PREFIX_IN + 3, 0);
                 return null;
             } else if (inputStatus >= 'O' && inputStatus <= 'R') {
                 int inputStatusInt = inputStatus - 'O';
-                position.set(Position.PREFIX_IN + 1, inputStatusInt & 1);
-                position.set(Position.PREFIX_IN + 2, inputStatusInt & 2);
+                position.set(Position.PREFIX_IN + 1, BitUtil.check(inputStatusInt, 0));
+                position.set(Position.PREFIX_IN + 2, BitUtil.check(inputStatusInt, 1));
                 position.set(Position.PREFIX_IN + 3, 1);
                 return null;
             }