Decode VL502 DTCs

1 files changed, 8 insertions, 2 deletions

diff --git a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
index 4beee7696..d3c312f7e 100644
--- a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
@@ -41,6 +41,7 @@ import java.util.Date;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.TimeZone;
+import java.util.stream.Collectors;
 
 public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
 
@@ -919,14 +920,19 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
                     position.setTime(time);
                     break;
                 case 0x02:
-                    count = buf.readUnsignedByte();
+                    List<String> codes = new LinkedList<>();
+                    count = buf.readUnsignedShort();
                     for (int i = 0; i < count; i++) {
                         buf.readUnsignedInt(); // system id
                         int codeCount = buf.readUnsignedShort();
                         for (int j = 0; j < codeCount; j++) {
-                            buf.skipBytes(16); // code
+                            buf.readUnsignedInt(); // dtc
+                            buf.readUnsignedInt(); // status
+                            codes.add(buf.readCharSequence(
+                                    buf.readUnsignedShort(), StandardCharsets.US_ASCII).toString().trim());
                         }
                     }
+                    position.set(Position.KEY_DTCS, String.join(" ", codes));
                     getLastLocation(position, time);
                     decodeCoordinates(position, buf);
                     position.setTime(time);