From 94dad7a70fe4d8b733f773820743c61891bb771d Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 18 Sep 2019 08:50:14 -0700
Subject: Support OBD data

---
 .../traccar/protocol/HuabaoProtocolDecoder.java    | 27 +++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
index 09ee12256..fceefa73a 100644
--- a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
@@ -197,20 +197,44 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
         while (buf.readableBytes() > 2) {
             int subtype = buf.readUnsignedByte();
             int length = buf.readUnsignedByte();
+            int endIndex = buf.readerIndex() + length;
             switch (subtype) {
                 case 0x01:
                     position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 100);
                     break;
+                case 0x02:
+                    position.set(Position.KEY_FUEL_LEVEL, buf.readUnsignedShort() * 0.1);
+                    break;
                 case 0x30:
                     position.set(Position.KEY_RSSI, buf.readUnsignedByte());
                     break;
                 case 0x31:
                     position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
                     break;
+                case 0x91:
+                    position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.1);
+                    position.set(Position.KEY_RPM, buf.readUnsignedShort());
+                    position.set(Position.KEY_OBD_SPEED, buf.readUnsignedByte());
+                    position.set(Position.KEY_THROTTLE, buf.readUnsignedByte() * 100 / 255);
+                    position.set(Position.KEY_ENGINE_LOAD, buf.readUnsignedByte() * 100 / 255);
+                    position.set(Position.KEY_COOLANT_TEMP, buf.readUnsignedByte() - 40);
+                    buf.readUnsignedShort();
+                    position.set(Position.KEY_FUEL_CONSUMPTION, buf.readUnsignedShort() * 0.01);
+                    buf.readUnsignedShort();
+                    buf.readUnsignedInt();
+                    buf.readUnsignedShort();
+                    position.set(Position.KEY_FUEL_USED, buf.readUnsignedShort() * 0.01);
+                    break;
+                case 0x94:
+                    if (length > 0) {
+                        position.set(
+                                Position.KEY_VIN, buf.readCharSequence(length, StandardCharsets.US_ASCII).toString());
+                    }
+                    break;
                 default:
-                    buf.skipBytes(length);
                     break;
             }
+            buf.readerIndex(endIndex);
         }
 
         return position;
@@ -233,3 +257,4 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
     }
 
 }
+
-- 
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