From 94c04282f1b3792bc2c16758049a57f4c42941c9 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Fri, 12 Jun 2020 21:14:31 -0700
Subject: Decode Huasheng alarms

---
 .../traccar/protocol/HuaShengProtocolDecoder.java  | 26 +++++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

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

diff --git a/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java
index eac06bbfe..8d39abead 100644
--- a/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java
@@ -64,6 +64,27 @@ public class HuaShengProtocolDecoder extends BaseProtocolDecoder {
         }
     }
 
+    private String decodeAlarm(int event) {
+        switch (event) {
+            case 4:
+                return Position.ALARM_FATIGUE_DRIVING;
+            case 6:
+                return Position.ALARM_SOS;
+            case 7:
+                return Position.ALARM_BRAKING;
+            case 8:
+                return Position.ALARM_ACCELERATION;
+            case 9:
+                return Position.ALARM_CORNERING;
+            case 10:
+                return Position.ALARM_ACCIDENT;
+            case 16:
+                return Position.ALARM_REMOVING;
+            default:
+                return null;
+        }
+    }
+
     @Override
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -118,7 +139,10 @@ public class HuaShengProtocolDecoder extends BaseProtocolDecoder {
 
             position.set(Position.KEY_STATUS, status);
             position.set(Position.KEY_IGNITION, BitUtil.check(status, 14));
-            position.set(Position.KEY_EVENT, buf.readUnsignedShort());
+
+            int event = buf.readUnsignedShort();
+            position.set(Position.KEY_ALARM, decodeAlarm(event));
+            position.set(Position.KEY_EVENT, event);
 
             String time = buf.readCharSequence(12, StandardCharsets.US_ASCII).toString();
 
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