From 58dc2de1f80e3279c17405edf28c4deac231e7d9 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Sat, 16 May 2020 11:38:09 -0700
Subject: Decode EGTS liquid sensor data

---
 .../org/traccar/protocol/EgtsProtocolDecoder.java  | 31 +++++++++++++++++++---
 .../traccar/protocol/EgtsProtocolDecoderTest.java  | 12 +++++++++
 2 files changed, 40 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/main/java/org/traccar/protocol/EgtsProtocolDecoder.java b/src/main/java/org/traccar/protocol/EgtsProtocolDecoder.java
index 9f0baf6b2..e65ddb0ef 100644
--- a/src/main/java/org/traccar/protocol/EgtsProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/EgtsProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2018 - 2019 Anton Tananaev (anton@traccar.org)
+ * Copyright 2018 - 2020 Anton Tananaev (anton@traccar.org)
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,6 +16,7 @@
 package org.traccar.protocol;
 
 import io.netty.buffer.ByteBuf;
+import io.netty.buffer.ByteBufUtil;
 import io.netty.buffer.Unpooled;
 import io.netty.channel.Channel;
 import org.traccar.BaseProtocolDecoder;
@@ -253,11 +254,35 @@ public class EgtsProtocolDecoder extends BaseProtocolDecoder {
 
                 } else if (type == MSG_AD_SENSORS_DATA) {
 
-                    buf.readUnsignedByte(); // inputs flags
+                    int inputMask = buf.readUnsignedByte();
 
                     position.set(Position.KEY_OUTPUT, buf.readUnsignedByte());
 
-                    buf.readUnsignedByte(); // adc flags
+                    int adcMask = buf.readUnsignedByte();
+
+                    for (int i = 0; i < 8; i++) {
+                        if (BitUtil.check(inputMask, i)) {
+                            buf.readUnsignedByte(); // input
+                        }
+                    }
+
+                    for (int i = 0; i < 8; i++) {
+                        if (BitUtil.check(adcMask, i)) {
+                            position.set(Position.PREFIX_ADC + (i + 1), buf.readUnsignedMediumLE());
+                        }
+                    }
+
+                } else if (type == MSG_LIQUID_LEVEL_SENSOR) {
+
+                    int flags = buf.readUnsignedByte();
+
+                    buf.readUnsignedShortLE(); // address
+
+                    if (BitUtil.check(flags, 3)) {
+                        position.set("liquidRaw", ByteBufUtil.hexDump(buf.readSlice(end - buf.readerIndex())));
+                    } else {
+                        position.set("liquid", buf.readUnsignedIntLE());
+                    }
 
                 }
 
diff --git a/src/test/java/org/traccar/protocol/EgtsProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/EgtsProtocolDecoderTest.java
index 2afb72e08..cdf27ee63 100644
--- a/src/test/java/org/traccar/protocol/EgtsProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/EgtsProtocolDecoderTest.java
@@ -39,6 +39,18 @@ public class EgtsProtocolDecoderTest extends ProtocolTest {
         verifyNull(decoder, binary(
                 "0100000b002400a0d601f01900030081030000000101011600030000004238363434393530333436343333373600014cdc"));
 
+        verifyPositions(decoder, binary(
+                "0100020b009e00892401504400ed539135de0100020210180051917613009194a00028db7893bd814700000001008c00001106001a3f00130300140500001d0000041207000f000000000000130100001b0700010000ae0e00004400ee539135de010002021018005491761300c094a00011db789353814700000001008c00001106001a3f00130300140500001c0000041207000f000010000000130100001b0700010000ca0e00004b47"));
+
+        verifyPositions(decoder, binary(
+                "0100020b004f00ae1101d24400ae1191af8304000202101800d9238213008dcea08070ec789338003c00000001008200001106001a740007020014050000180000041207000f000010000000130100001b0700010000af0f0000312a"));
+
+        verifyPositions(decoder, binary(
+                "0100020b009e004b8801b04400512091473502000202101800052582130026e5a080e04979937202f20000000100cd00001106001a470010030014050000190000041207000f000010000000130100001b0700010000e80b000044005220914735020002021018000b25821300d2e4a080524979937802f20000000100ce00001106001a4100110300140500001a0000041207000f000010000000130100001b0700010000eb0b0000c776"));
+
+        verifyPositions(decoder, binary(
+                "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"));
+
         verifyPositions(decoder, binary(
                 "0100000b002700030e01211800030e8573890100845e980f0202101500f85d980fb37f50aae9653c2b193708317b00000001c51b"));
 
-- 
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