4 files changed, 58 insertions, 4 deletions
diff --git a/src/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
index c0b475b1e..3df8a4686 100644
--- a/src/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -180,7 +180,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
         case 0x0F:
             return Position.ALARM_LOW_BATTERY;
         case 0x11:
-            return Position.ALARM_LOW_BATTERY;
+            return Position.ALARM_POWER_OFF;
         default:
             break;
         }
diff --git a/src/org/traccar/protocol/KenjiProtocolDecoder.java b/src/org/traccar/protocol/KenjiProtocolDecoder.java
index 2a95717ee..e13c91e3a 100755
--- a/src/org/traccar/protocol/KenjiProtocolDecoder.java
+++ b/src/org/traccar/protocol/KenjiProtocolDecoder.java
@@ -18,6 +18,7 @@ package org.traccar.protocol;
 import org.jboss.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
 import org.traccar.DeviceSession;
+import org.traccar.helper.BitUtil;
 import org.traccar.helper.DateBuilder;
 import org.traccar.helper.Parser;
 import org.traccar.helper.PatternBuilder;
@@ -49,6 +50,23 @@ public class KenjiProtocolDecoder extends BaseProtocolDecoder {
             .any()
             .compile();
 
+    private String decodeAlarm(int value) {
+        if (BitUtil.check(value, 2)) {
+            return Position.ALARM_SOS;
+        }
+        if (BitUtil.check(value, 4)) {
+            return Position.ALARM_LOW_BATTERY;
+        }
+        if (BitUtil.check(value, 6)) {
+            return Position.ALARM_MOVEMENT;
+        }
+        if (BitUtil.check(value, 1) || BitUtil.check(value, 10) || BitUtil.check(value, 11)) {
+            return Position.ALARM_VIBRATION;
+        }
+
+        return null;
+    }
+
     @Override
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -67,7 +85,7 @@ public class KenjiProtocolDecoder extends BaseProtocolDecoder {
         }
         position.setDeviceId(deviceSession.getDeviceId());
 
-        position.set(Position.KEY_ALARM, parser.nextInt(16));
+        position.set(Position.KEY_ALARM, decodeAlarm(parser.nextInt(16)));
         position.set(Position.KEY_OUTPUT, parser.nextInt(16));
         position.set(Position.KEY_INPUT, parser.nextInt(16));
 
diff --git a/src/org/traccar/protocol/T800xProtocolDecoder.java b/src/org/traccar/protocol/T800xProtocolDecoder.java
index de966f901..8301450d5 100644
--- a/src/org/traccar/protocol/T800xProtocolDecoder.java
+++ b/src/org/traccar/protocol/T800xProtocolDecoder.java
@@ -60,6 +60,25 @@ public class T800xProtocolDecoder extends BaseProtocolDecoder {
         }
     }
 
+    private String decodeAlarm(short value) {
+        switch (value) {
+        case 3:
+            return Position.ALARM_SOS;
+        case 4:
+            return Position.ALARM_OVERSPEED;
+        case 5:
+            return Position.ALARM_GEOFENCE_ENTER;
+        case 6:
+            return Position.ALARM_GEOFENCE_EXIT;
+        case 8:
+        case 10:
+            return Position.ALARM_VIBRATION;
+        default:
+            break;
+        }
+        return null;
+    }
+
     @Override
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -111,7 +130,7 @@ public class T800xProtocolDecoder extends BaseProtocolDecoder {
             position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort());
             position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort());
 
-            position.set(Position.KEY_ALARM, buf.readUnsignedByte());
+            position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte()));
 
             buf.readUnsignedByte(); // reserved
 
diff --git a/src/org/traccar/protocol/XexunProtocolDecoder.java b/src/org/traccar/protocol/XexunProtocolDecoder.java
index 7b6a84f1f..69100f54b 100644
--- a/src/org/traccar/protocol/XexunProtocolDecoder.java
+++ b/src/org/traccar/protocol/XexunProtocolDecoder.java
@@ -64,6 +64,23 @@ public class XexunProtocolDecoder extends BaseProtocolDecoder {
             .any()
             .compile();
 
+    private String decodeAlarm(String value) {
+        if (value != null) {
+            switch (value) {
+            case "help me!":
+                return Position.ALARM_SOS;
+            case "low battery":
+                return Position.ALARM_LOW_BATTERY;
+            case "move!":
+            case "moved!":
+                return Position.ALARM_MOVEMENT;
+            default:
+                break;
+            }
+        }
+        return null;
+    }
+
     @Override
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -99,7 +116,7 @@ public class XexunProtocolDecoder extends BaseProtocolDecoder {
         position.setTime(dateBuilder.getDate());
 
         position.set("signal", parser.next());
-        position.set(Position.KEY_ALARM, parser.next());
+        position.set(Position.KEY_ALARM, decodeAlarm(parser.next()));
 
         DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
         if (deviceSession == null) {