From 62f1cb5cd3374ac0012c9c054f3556c5e43a8549 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Fri, 26 Jul 2024 18:02:32 -0700
Subject: Support TopTen TK218 OBD

---
 .../traccar/protocol/MeiligaoProtocolDecoder.java  | 55 ++++++++++++++++------
 1 file changed, 40 insertions(+), 15 deletions(-)

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

diff --git a/src/main/java/org/traccar/protocol/MeiligaoProtocolDecoder.java b/src/main/java/org/traccar/protocol/MeiligaoProtocolDecoder.java
index c18b29288..524d86289 100644
--- a/src/main/java/org/traccar/protocol/MeiligaoProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/MeiligaoProtocolDecoder.java
@@ -141,6 +141,7 @@ public class MeiligaoProtocolDecoder extends BaseProtocolDecoder {
 
     public static final int MSG_OBD_RT = 0x9901;
     public static final int MSG_OBD_RTA = 0x9902;
+    public static final int MSG_DTC = 0x9903;
 
     public static final int MSG_TRACK_ON_DEMAND = 0x4101;
     public static final int MSG_TRACK_BY_INTERVAL = 0x4102;
@@ -208,20 +209,36 @@ public class MeiligaoProtocolDecoder extends BaseProtocolDecoder {
         }
     }
 
-    private String decodeAlarm(short value) {
-        return switch (value) {
-            case 0x01 -> Position.ALARM_SOS;
-            case 0x10 -> Position.ALARM_LOW_BATTERY;
-            case 0x11 -> Position.ALARM_OVERSPEED;
-            case 0x12 -> Position.ALARM_MOVEMENT;
-            case 0x13 -> Position.ALARM_GEOFENCE_ENTER;
-            case 0x14 -> Position.ALARM_ACCIDENT;
-            case 0x50 -> Position.ALARM_POWER_OFF;
-            case 0x53 -> Position.ALARM_GPS_ANTENNA_CUT;
-            case 0x72 -> Position.ALARM_BRAKING;
-            case 0x73 -> Position.ALARM_ACCELERATION;
-            default -> null;
-        };
+    private String decodeAlarm(String model, short value) {
+        if ("TK218".equals(model)) {
+            return switch (value) {
+                case 0x01 -> Position.ALARM_SOS;
+                case 0x10 -> Position.ALARM_LOW_BATTERY;
+                case 0x11 -> Position.ALARM_OVERSPEED;
+                case 0x12 -> Position.ALARM_MOVEMENT;
+                case 0x13 -> Position.ALARM_GEOFENCE;
+                case 0x60 -> Position.ALARM_FATIGUE_DRIVING;
+                case 0x71 -> Position.ALARM_BRAKING;
+                case 0x72 -> Position.ALARM_ACCELERATION;
+                case 0x73 -> Position.ALARM_ACCIDENT;
+                case 0x74 -> Position.ALARM_IDLE;
+                default -> null;
+            };
+        } else {
+            return switch (value) {
+                case 0x01 -> Position.ALARM_SOS;
+                case 0x10 -> Position.ALARM_LOW_BATTERY;
+                case 0x11 -> Position.ALARM_OVERSPEED;
+                case 0x12 -> Position.ALARM_MOVEMENT;
+                case 0x13 -> Position.ALARM_GEOFENCE_ENTER;
+                case 0x14 -> Position.ALARM_ACCIDENT;
+                case 0x50 -> Position.ALARM_POWER_OFF;
+                case 0x53 -> Position.ALARM_GPS_ANTENNA_CUT;
+                case 0x72 -> Position.ALARM_BRAKING;
+                case 0x73 -> Position.ALARM_ACCELERATION;
+                default -> null;
+            };
+        }
     }
 
     private Position decodeRegular(Position position, String sentence) {
@@ -341,6 +358,12 @@ public class MeiligaoProtocolDecoder extends BaseProtocolDecoder {
         return position;
     }
 
+    private Position decodeDtc(Position position, String sentence) {
+        getLastLocation(position, null);
+        position.set(Position.KEY_DTCS, sentence.replace(',', ' '));
+        return position;
+    }
+
     private List<Position> decodeRetransmission(ByteBuf buf, DeviceSession deviceSession) {
         List<Position> positions = new LinkedList<>();
 
@@ -437,7 +460,8 @@ public class MeiligaoProtocolDecoder extends BaseProtocolDecoder {
 
             if (command == MSG_ALARM) {
                 short alarmCode = buf.readUnsignedByte();
-                position.set(Position.KEY_ALARM, decodeAlarm(alarmCode));
+                String model = getDeviceModel(deviceSession);
+                position.set(Position.KEY_ALARM, decodeAlarm(model, alarmCode));
                 if (alarmCode >= 0x02 && alarmCode <= 0x05) {
                     position.set(Position.PREFIX_IN + alarmCode, 1);
                 } else if (alarmCode >= 0x32 && alarmCode <= 0x35) {
@@ -473,6 +497,7 @@ public class MeiligaoProtocolDecoder extends BaseProtocolDecoder {
                 case MSG_RFID -> decodeRfid(position, sentence);
                 case MSG_OBD_RT -> decodeObd(position, sentence);
                 case MSG_OBD_RTA -> decodeObdA(position, sentence);
+                case MSG_DTC -> decodeDtc(position, sentence);
                 default -> null;
             };
 
-- 
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