From b4c411a95fb4432efe5aef26444f0699e43e90dc Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Thu, 8 Mar 2018 16:48:51 +1300
Subject: Support GV300 fuel sensor

---
 .../traccar/protocol/Gl200TextProtocolDecoder.java | 41 +++++++++++++++++-----
 .../protocol/Gl200TextProtocolDecoderTest.java     |  3 ++
 2 files changed, 35 insertions(+), 9 deletions(-)

diff --git a/src/org/traccar/protocol/Gl200TextProtocolDecoder.java b/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
index e664c4734..c47764989 100644
--- a/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
+++ b/src/org/traccar/protocol/Gl200TextProtocolDecoder.java
@@ -210,7 +210,7 @@ public class Gl200TextProtocolDecoder extends BaseProtocolDecoder {
             .number("(?:[0-9A-Z]{2}xxxx)?,")     // protocol version
             .number("(d{15}|x{14}),")            // imei
             .expression("[^,]*,")                // device name
-            .number("x{8},")                     // mask
+            .number("(x{8}),")                   // mask
             .number("(d+)?,")                    // power
             .number("d{1,2},")                   // report type
             .number("d{1,2},")                   // count
@@ -730,6 +730,8 @@ public class Gl200TextProtocolDecoder extends BaseProtocolDecoder {
             return null;
         }
 
+        long mask = parser.nextHexLong();
+
         LinkedList<Position> positions = new LinkedList<>();
 
         int power = parser.nextInt(0);
@@ -759,14 +761,35 @@ public class Gl200TextProtocolDecoder extends BaseProtocolDecoder {
 
         int index = 0;
         String[] data = parser.next().split(",");
-        if (data.length > 1) {
-            int deviceType = Integer.parseInt(data[index++]);
-            if (deviceType == 2) {
-                int deviceCount = Integer.parseInt(data[index++]);
-                for (int i = 1; i <= deviceCount; i++) {
-                    index++; // id
-                    index++; // type
-                    position.set(Position.PREFIX_TEMP + i, (short) Integer.parseInt(data[index++], 16) * 0.0625);
+
+        index += 1; // device type
+
+        if (BitUtil.check(mask, 0)) {
+            index += 1; // digital fuel sensor data
+        }
+
+        if (BitUtil.check(mask, 1)) {
+            int deviceCount = Integer.parseInt(data[index++]);
+            for (int i = 1; i <= deviceCount; i++) {
+                index += 1; // id
+                index += 1; // type
+                position.set(Position.PREFIX_TEMP + i, (short) Integer.parseInt(data[index++], 16) * 0.0625);
+            }
+        }
+
+        if (BitUtil.check(mask, 2)) {
+            index += 1; // can data
+        }
+
+        if (BitUtil.check(mask, 3) || BitUtil.check(mask, 4)) {
+            int deviceCount = Integer.parseInt(data[index++]);
+            for (int i = 1; i <= deviceCount; i++) {
+                index += 1; // type
+                if (BitUtil.check(mask, 3)) {
+                    position.set(Position.KEY_FUEL_LEVEL, Double.parseDouble(data[index++]));
+                }
+                if (BitUtil.check(mask, 4)) {
+                    index += 1; // volume
                 }
             }
         }
diff --git a/test/org/traccar/protocol/Gl200TextProtocolDecoderTest.java b/test/org/traccar/protocol/Gl200TextProtocolDecoderTest.java
index e92936342..9ec67273c 100644
--- a/test/org/traccar/protocol/Gl200TextProtocolDecoderTest.java
+++ b/test/org/traccar/protocol/Gl200TextProtocolDecoderTest.java
@@ -10,6 +10,9 @@ public class Gl200TextProtocolDecoderTest extends ProtocolTest {
 
         Gl200TextProtocolDecoder decoder = new Gl200TextProtocolDecoder(new Gl200Protocol());
 
+        verifyPositions(decoder, buffer(
+                "+RESP:GTERI,250C02,868789023691057,,00000019,,10,1,1,0.0,196,2258.0,-99.201807,19.559242,20180214002957,0334,0003,235B,7F8D,00,6786.7,,,,100,110000,1,0394,1,4,100.0,100.0,20180214003006,C72B$"));
+
         verifyAttributes(decoder, buffer(
                 "+RESP:GTCAN,310603,863286023335723,gv65,00,1,C03FFFFF,,0,,719601.00,,,,,,,,274.99,179.02,95.98,84761.00,,,0,,0,,,0,0.0,216,29.8,-2.155296,51.899400,20180209172714,0234,0010,53F3,8D38,00,20180211002128,E94E$"));
 
-- 
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