Support GL600 GPS lock

2 files changed, 5 insertions, 2 deletions

diff --git a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
index 9fa550ded..9ed44f565 100644
--- a/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Jt600ProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2012 - 2021 Anton Tananaev (anton@traccar.org)
+ * Copyright 2012 - 2022 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -143,7 +143,7 @@ public class Jt600ProtocolDecoder extends BaseProtocolDecoder {
 
         boolean responseRequired = false;
 
-        while (buf.readableBytes() > 1) {
+        while (buf.readableBytes() >= 17) {
 
             Position position = new Position(getProtocolName());
             position.setDeviceId(deviceSession.getDeviceId());
diff --git a/src/test/java/org/traccar/protocol/Jt600ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Jt600ProtocolDecoderTest.java
index 98c587a81..fc52e32e3 100644
--- a/src/test/java/org/traccar/protocol/Jt600ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Jt600ProtocolDecoderTest.java
@@ -10,6 +10,9 @@ public class Jt600ProtocolDecoderTest extends ProtocolTest {
 
         var decoder = inject(new Jt600ProtocolDecoder(null));
 
+        verifyPositions(decoder, binary(
+                "2480433966040111002718031919195822424550114158888E15A40000F124080000000000F00F110A24991900000DF0C7"));
+
         verifyPosition(decoder, buffer(
                 "(8000632862,P45,290322,132412,25.28217,S,57.54683,W,A,0,0,5,0,0000000000,0,0,9,0)"));