From ef2fea79f0346d253647e9ba92a0926b0530d49b Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Sat, 2 Mar 2024 08:03:13 -0800
Subject: Support additional G106 attributes

---
 .../org/traccar/protocol/KhdProtocolDecoder.java   | 22 +++++++++++++++++++---
 1 file changed, 19 insertions(+), 3 deletions(-)

(limited to 'src/main/java/org/traccar/protocol/KhdProtocolDecoder.java')

diff --git a/src/main/java/org/traccar/protocol/KhdProtocolDecoder.java b/src/main/java/org/traccar/protocol/KhdProtocolDecoder.java
index dd2e1dbfd..e88b34478 100644
--- a/src/main/java/org/traccar/protocol/KhdProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/KhdProtocolDecoder.java
@@ -20,6 +20,7 @@ import io.netty.buffer.ByteBufUtil;
 import io.netty.buffer.Unpooled;
 import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
+import org.traccar.helper.BufferUtil;
 import org.traccar.session.DeviceSession;
 import org.traccar.NetworkMessage;
 import org.traccar.Protocol;
@@ -169,7 +170,9 @@ public class KhdProtocolDecoder extends BaseProtocolDecoder {
                     position.set(Position.KEY_FUEL_LEVEL, BitUtil.from(odometer, 16));
                 }
 
-                position.set(Position.KEY_STATUS, buf.readUnsignedInt());
+                long status = buf.readUnsignedInt();
+                position.set(Position.KEY_IGNITION, BitUtil.check(status, 7 + 3 * 8));
+                position.set(Position.KEY_STATUS, status);
 
                 buf.readUnsignedShort();
                 buf.readUnsignedByte();
@@ -185,8 +188,7 @@ public class KhdProtocolDecoder extends BaseProtocolDecoder {
                     buf.readUnsignedShort(); // data length
 
                     int dataType = buf.readUnsignedByte();
-
-                    buf.readUnsignedByte(); // content length
+                    int dataLength = buf.readUnsignedByte();
 
                     switch (dataType) {
                         case 0x01:
@@ -197,6 +199,20 @@ public class KhdProtocolDecoder extends BaseProtocolDecoder {
                             position.set(Position.PREFIX_TEMP + 1,
                                     buf.readUnsignedByte() * 100 + buf.readUnsignedByte());
                             break;
+                        case 0x05:
+                            int sign = buf.readUnsignedByte();
+                            switch (sign) {
+                                case 1:
+                                    position.set("sign", true);
+                                    break;
+                                case 2:
+                                    position.set("sign", false);
+                                    break;
+                                default:
+                                    break;
+                            }
+                            position.set(Position.KEY_DRIVER_UNIQUE_ID, BufferUtil.readString(buf, dataLength - 1));
+                            break;
                         case 0x18:
                             for (int i = 1; i <= 4; i++) {
                                 double value = buf.readUnsignedShort();
-- 
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