From 2e71806e6c6206acffc78f28101688963418aa6c Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 5 Oct 2019 11:05:58 -0700
Subject: Decode Falcom Mambo 2 battery info

---
 .../org/traccar/protocol/T55ProtocolDecoder.java   | 33 ++++++++++++++++++++++
 .../traccar/protocol/T55ProtocolDecoderTest.java   |  5 ++++
 2 files changed, 38 insertions(+)

diff --git a/src/main/java/org/traccar/protocol/T55ProtocolDecoder.java b/src/main/java/org/traccar/protocol/T55ProtocolDecoder.java
index e25f9e11a..b75addfae 100644
--- a/src/main/java/org/traccar/protocol/T55ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/T55ProtocolDecoder.java
@@ -96,6 +96,19 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
             .any()
             .compile();
 
+    private static final Pattern PATTERN_GPIOP = new PatternBuilder()
+            .text("$GPIOP,")
+            .number("[01]{8},")                  // inputs
+            .number("[01]{8},")                  // outputs
+            .number("d+.d+,")                    // adc 1
+            .number("d+.d+,")                    // adc 2
+            .number("d+.d+,")                    // adc 3
+            .number("d+.d+,")                    // adc 4
+            .number("(d+.d+),")                  // power
+            .number("(d+.d+)")                   // battery
+            .any()
+            .compile();
+
     private Position position = null;
 
     private Position decodeGprmc(
@@ -225,6 +238,24 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
         return position;
     }
 
+    private Position decodeGpiop(DeviceSession deviceSession, String sentence) {
+
+        Parser parser = new Parser(PATTERN_GPIOP, sentence);
+        if (!parser.matches()) {
+            return null;
+        }
+
+        Position position = new Position(getProtocolName());
+        position.setDeviceId(deviceSession.getDeviceId());
+
+        getLastLocation(position, null);
+
+        position.set(Position.KEY_POWER, parser.nextDouble());
+        position.set(Position.KEY_BATTERY, parser.nextDouble());
+
+        return position;
+    }
+
     @Override
     protected Object decode(
             Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -275,6 +306,8 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
             return decodeGprma(deviceSession, sentence);
         } else if (sentence.startsWith("$TRCCR") && deviceSession != null) {
             return decodeTrccr(deviceSession, sentence);
+        } else if (sentence.startsWith("$GPIOP")) {
+            return decodeGpiop(deviceSession, sentence);
         }
 
         return null;
diff --git a/src/test/java/org/traccar/protocol/T55ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/T55ProtocolDecoderTest.java
index f21acdee7..c0511f2a1 100644
--- a/src/test/java/org/traccar/protocol/T55ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/T55ProtocolDecoderTest.java
@@ -2,6 +2,7 @@ package org.traccar.protocol;
 
 import org.junit.Test;
 import org.traccar.ProtocolTest;
+import org.traccar.model.Position;
 
 public class T55ProtocolDecoderTest extends ProtocolTest {
 
@@ -13,6 +14,10 @@ public class T55ProtocolDecoderTest extends ProtocolTest {
         verifyNull(decoder, text(
                 "$DEVID,0x0103846677F21422*41"));
 
+        verifyAttribute(decoder, text(
+                "$GPIOP,01000000,00000000,0.00,0.00,0.00,0.00,4.69,4.24*49"),
+                Position.KEY_BATTERY, 4.24);
+
         verifyPosition(decoder, text(
                 "660420156A0066AA$GPRMC,122806.0,A,0119.212178,N,10355.000942,E,0.0,,230119,0.0,E,A*27"));
 
-- 
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