Support Carscop CCTR-830G-4G

1 files changed, 14 insertions, 0 deletions

diff --git a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
index b9b156f93..6d57c3339 100644
--- a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
@@ -249,7 +249,21 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
                 .setSecond(BcdUtil.readInteger(buf, 2));
         position.setTime(dateBuilder.getDate());
 
+        if (buf.readableBytes() == 20) {
+
+            buf.skipBytes(4); // remaining battery and mileage
+            position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000);
+            position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.1);
+            buf.readUnsignedInt(); // area id
+            position.set(Position.KEY_RSSI, buf.readUnsignedByte());
+            buf.skipBytes(3); // reserved
+
+            return position;
+
+        }
+
         while (buf.readableBytes() > 2) {
+
             int subtype = buf.readUnsignedByte();
             int length = buf.readUnsignedByte();
             int endIndex = buf.readerIndex() + length;