From 5cf8952d716419871259ad5a6d4bf8ac98c21efe Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Wed, 2 Sep 2015 15:24:21 +1200
Subject: Decode H02 alarm status

---
 src/org/traccar/protocol/H02ProtocolDecoder.java | 19 +++++++++++++------
 1 file changed, 13 insertions(+), 6 deletions(-)

(limited to 'src/org/traccar/protocol/H02ProtocolDecoder.java')

diff --git a/src/org/traccar/protocol/H02ProtocolDecoder.java b/src/org/traccar/protocol/H02ProtocolDecoder.java
index 9b58af854..666d868f7 100644
--- a/src/org/traccar/protocol/H02ProtocolDecoder.java
+++ b/src/org/traccar/protocol/H02ProtocolDecoder.java
@@ -27,6 +27,7 @@ import org.jboss.netty.channel.Channel;
 import org.jboss.netty.channel.ChannelHandlerContext;
 
 import org.traccar.BaseProtocolDecoder;
+import org.traccar.helper.BitUtil;
 import org.traccar.helper.ChannelBufferTools;
 import org.traccar.model.Event;
 import org.traccar.model.Position;
@@ -55,6 +56,14 @@ public class H02ProtocolDecoder extends BaseProtocolDecoder {
 
         return result;
     }
+
+    private void processStatus(Position position, long status) {
+        if (!BitUtil.check(status, 0) || !BitUtil.check(status, 1) || !BitUtil.check(status, 3) || !BitUtil.check(status, 4)) {
+            position.set(Event.KEY_ALARM, true);
+        }
+        position.set(Event.KEY_IGNITION, !BitUtil.check(status, 10));
+        position.set(Event.KEY_STATUS, status);
+    }
     
     private Position decodeBinary(ChannelBuffer buf, Channel channel) {
         
@@ -95,9 +104,8 @@ public class H02ProtocolDecoder extends BaseProtocolDecoder {
         // Speed and course
         position.setSpeed(ChannelBufferTools.readHexInteger(buf, 3));
         position.setCourse((buf.readUnsignedByte() & 0x0f) * 100.0 + ChannelBufferTools.readHexInteger(buf, 2));
-        
-        // Status
-        position.set(Event.KEY_STATUS, ChannelBufferTools.readHexString(buf, 8));
+
+        processStatus(position, buf.readUnsignedInt());
         return position;
     }
 
@@ -174,9 +182,8 @@ public class H02ProtocolDecoder extends BaseProtocolDecoder {
         time.set(Calendar.MONTH, Integer.valueOf(parser.group(index++)) - 1);
         time.set(Calendar.YEAR, 2000 + Integer.valueOf(parser.group(index++)));
         position.setTime(time.getTime());
-        
-        // Status
-        position.set(Event.KEY_STATUS, parser.group(index++));
+
+        processStatus(position, Long.parseLong(parser.group(index++), 16));
         return position;
     }
 
-- 
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