2 files changed, 43 insertions, 3 deletions
diff --git a/src/main/java/org/traccar/protocol/Vt200ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Vt200ProtocolDecoder.java
index b1564abd9..f60f6213d 100644
--- a/src/main/java/org/traccar/protocol/Vt200ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Vt200ProtocolDecoder.java
@@ -142,6 +142,32 @@ public class Vt200ProtocolDecoder extends BaseProtocolDecoder {
 
             return position;
 
+        } else if (type == 0x3089) {
+
+            Position position = new Position(getProtocolName());
+            position.setDeviceId(deviceSession.getDeviceId());
+
+            position.set(Position.KEY_IGNITION, buf.readUnsignedByte() == 1);
+            buf.readUnsignedShort(); // trip id
+
+            position.setTime(decodeDate(buf));
+
+            if (buf.readableBytes() >= 9) {
+                position.setLatitude(decodeCoordinate(BcdUtil.readInteger(buf, 8)));
+                position.setLongitude(decodeCoordinate(BcdUtil.readInteger(buf, 9)));
+
+                int flags = buf.readUnsignedByte();
+                position.setValid(BitUtil.check(flags, 0));
+                if (!BitUtil.check(flags, 1)) {
+                    position.setLatitude(-position.getLatitude());
+                }
+                if (!BitUtil.check(flags, 2)) {
+                    position.setLongitude(-position.getLongitude());
+                }
+            }
+
+            return position;
+
         }
 
         return null;
diff --git a/src/test/java/org/traccar/protocol/Vt200ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Vt200ProtocolDecoderTest.java
index 9c224bc8e..47e5cb331 100644
--- a/src/test/java/org/traccar/protocol/Vt200ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Vt200ProtocolDecoderTest.java
@@ -2,6 +2,7 @@ package org.traccar.protocol;
 
 import org.junit.Test;
 import org.traccar.ProtocolTest;
+import org.traccar.model.Position;
 
 public class Vt200ProtocolDecoderTest extends ProtocolTest {
 
@@ -43,9 +44,6 @@ public class Vt200ProtocolDecoderTest extends ProtocolTest {
         verifyPosition(decoder, binary(
                 "28631037309456208200210103302307171805444417097301147188170198090f0000073a002000007e00074429"));
 
-        verifyNull(decoder, binary(
-                "286310373094563089001200032f2107171740144417075001147188872c29"));
-
         verifyAttributes(decoder, binary(
                 "2863103730945630880062032f862631037309456f222014604362936f21071717373221071717401400a100000cd700000004020d3c8e0000000000000000000000000000000000000000000000000000000000000000000a000000040000000e009700000cc9000000000000e929"));
 
@@ -55,6 +53,22 @@ public class Vt200ProtocolDecoderTest extends ProtocolTest {
         verifyPosition(decoder, binary(
                 "28631037309456208400340102dc090617161654441577230114439597368c0a0c0000030500200100417c1baa349d3290510000006a00007000003d15004c11c629"));
 
+        verifyPosition(decoder, binary(
+                "2830140414000130890009010003280414090004df29"),
+                position("2014-04-28 09:00:04.000", false, 0.0, 0.0));
+
+        verifyPosition(decoder, binary(
+                "2830140414000130890012000003280414090004224388161134912397df29"),
+                position("2014-04-28 09:00:04.000", true, 22.73136, 113.81873166666666));
+
+        verifyAttribute(decoder, binary(
+                "2830140414000130890012000003280414090004224388161134912397df29"),
+                Position.KEY_IGNITION, false);
+
+        verifyAttribute(decoder, binary(
+                "2830140414000130890012010003280414090004224388161134912397df29"),
+                Position.KEY_IGNITION, true);
+
     }
 
 }