From 8432b3660b7cc40c8734cc00817f176589d9d18e Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Tue, 17 Mar 2015 16:59:51 +1300
Subject: Extend Meitrack decoder

---
 .../traccar/protocol/MeitrackProtocolDecoder.java  | 28 +++++++++++++++++++---
 .../protocol/MeitrackProtocolDecoderTest.java      |  3 +++
 2 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/src/org/traccar/protocol/MeitrackProtocolDecoder.java b/src/org/traccar/protocol/MeitrackProtocolDecoder.java
index 2d8fa9511..cdeef155b 100644
--- a/src/org/traccar/protocol/MeitrackProtocolDecoder.java
+++ b/src/org/traccar/protocol/MeitrackProtocolDecoder.java
@@ -69,7 +69,11 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder {
             "(\\p{XDigit}+)?\\|" +              // ADC3
             "(\\p{XDigit}+)\\|" +               // Battery
             "(\\p{XDigit}+)," +                 // Power
-            ".*(\r\n)?");
+            "(?:([^,]+)?," +                    // Event Specific
+            "[^,]*," +                          // Reserved
+            "\\d*," +                           // Protocol
+            "(\\p{XDigit}{4})?)?" +              // Fuel
+            ".*\\*\\p{XDigit}{2}(?:\r\n)?");
 
     private Position decodeRegularMessage(Channel channel, ChannelBuffer buf) {
 
@@ -96,7 +100,8 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder {
         }
 
         // Event
-        extendedInfo.set("event", parser.group(index++));
+        int event = Integer.valueOf(parser.group(index++));
+        extendedInfo.set("event", event);
 
         // Coordinates
         position.setLatitude(Double.valueOf(parser.group(index++)));
@@ -155,7 +160,24 @@ public class MeitrackProtocolDecoder extends BaseProtocolDecoder {
         }
         extendedInfo.set("battery", Integer.parseInt(parser.group(index++), 16));
         extendedInfo.set("power", Integer.parseInt(parser.group(index++), 16));
-        
+
+        // Event specific
+        String data = parser.group(index++);
+        if (data != null && !data.isEmpty()) {
+            switch (event) {
+                case 37:
+                    extendedInfo.set("rfid", data);
+                    break;
+            }
+        }
+
+        // Fuel
+        String fuel = parser.group(index++);
+        if (fuel != null) {
+            extendedInfo.set("fuel",
+                    Integer.parseInt(fuel.substring(0, 2), 16) + Integer.parseInt(fuel.substring(2), 16) * 0.01);
+        }
+
         // Extended info
         position.setExtendedInfo(extendedInfo.toString());
 
diff --git a/test/org/traccar/protocol/MeitrackProtocolDecoderTest.java b/test/org/traccar/protocol/MeitrackProtocolDecoderTest.java
index 7d0dc6bc0..f031a5f15 100644
--- a/test/org/traccar/protocol/MeitrackProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/MeitrackProtocolDecoderTest.java
@@ -15,6 +15,9 @@ public class MeitrackProtocolDecoderTest {
 
         MeitrackProtocolDecoder decoder = new MeitrackProtocolDecoder(new TestDataManager(), null, null);
 
+        verify(decoder.decode(null, null, ChannelBuffers.copiedBuffer(
+                "$$I152,013949004569813,AAA,37,54.739468,25.273648,150208173414,A,5,24,0,73,1.5,165,74,3381,246|1|0065|118A,0000,0003|0003|0000|08D4|0002,006380DF,,1,0008*7C", Charset.defaultCharset())));
+
         verify(decoder.decode(null, null, ChannelBuffers.copiedBuffer(
                 "$$E141,863071013799553,AAA,35,-1.264521,36.801128,150307132846,A,11,20,0.2,0,5,1767,84045888,36496633,639|02|100E|844,1234,0018|||025D|00CB,*17", Charset.defaultCharset())));
 
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