From 955c1abe0753a030846db552c6eea262d7d326d1 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 7 Dec 2021 22:05:37 -0800
Subject: Alternative alarm type set

---
 .../org/traccar/protocol/T800xProtocolDecoder.java | 26 ++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java b/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java
index d56826cd9..b15688df0 100644
--- a/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java
@@ -77,7 +77,7 @@ public class T800xProtocolDecoder extends BaseProtocolDecoder {
         }
     }
 
-    private String decodeAlarm(int value) {
+    private String decodeAlarm1(int value) {
         switch (value) {
             case 1:
                 return Position.ALARM_POWER_CUT;
@@ -107,6 +107,28 @@ public class T800xProtocolDecoder extends BaseProtocolDecoder {
         }
     }
 
+    private String decodeAlarm2(int value) {
+        switch (value) {
+            case 1:
+            case 4:
+                return Position.ALARM_REMOVING;
+            case 2:
+                return Position.ALARM_TAMPERING;
+            case 3:
+                return Position.ALARM_SOS;
+            case 5:
+                return Position.ALARM_FALL_DOWN;
+            case 6:
+                return Position.ALARM_LOW_BATTERY;
+            case 14:
+                return Position.ALARM_GEOFENCE_ENTER;
+            case 15:
+                return Position.ALARM_GEOFENCE_EXIT;
+            default:
+                return null;
+        }
+    }
+
     private Date readDate(ByteBuf buf) {
         return new DateBuilder()
                 .setYear(BcdUtil.readInteger(buf, 2))
@@ -374,7 +396,7 @@ public class T800xProtocolDecoder extends BaseProtocolDecoder {
         }
 
         int alarm = buf.readUnsignedByte();
-        position.set(Position.KEY_ALARM, decodeAlarm(alarm));
+        position.set(Position.KEY_ALARM, header != 0x2727 ? decodeAlarm1(alarm) : decodeAlarm2(alarm));
 
         if (header != 0x2727) {
 
-- 
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