From 44752e41007aff70d16af5fad6fb49b7ed0ef2b2 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton@traccar.org>
Date: Mon, 29 Jul 2024 15:57:14 -0700
Subject: Support Magnet 4G GPS battery

---
 src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java     | 5 +++++
 src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java | 4 ++++
 2 files changed, 9 insertions(+)

(limited to 'src')

diff --git a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
index 443da28a3..c581211ea 100644
--- a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
@@ -595,6 +595,11 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
                 case 0xE2:
                     position.set(Position.KEY_FUEL_LEVEL, buf.readUnsignedInt() * 0.1);
                     break;
+                case 0xE3:
+                    buf.readUnsignedByte(); // reserved
+                    position.set(Position.KEY_BATTERY_LEVEL, buf.readUnsignedByte());
+                    position.set(Position.KEY_BATTERY, buf.readUnsignedShort() / 100.0);
+                    break;
                 case 0xE6:
                     while (buf.readerIndex() < endIndex) {
                         int sensorIndex = buf.readUnsignedByte();
diff --git a/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
index 286ebfed1..023beaeeb 100644
--- a/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
@@ -11,6 +11,10 @@ public class HuabaoProtocolDecoderTest extends ProtocolTest {
 
         var decoder = inject(new HuabaoProtocolDecoder(null));
 
+        verifyAttribute(decoder, binary(
+                "7e02000033017051564189000c00000000000c00020158ff7206cd1f4c000000000123201122115639010400000000300143310114930100e3060064019a0000557e"),
+                Position.KEY_BATTERY_LEVEL, 100);
+
         verifyAttribute(decoder, binary(
                 "7e020000520198080908740af300000000000c000f016602a302c662f802fc000000cc24051618132401040000020f30011e310109f30100610204b056020acd5d0b0102d40379b8011423033c51108017ffffffffffffffffffffffffffffc87e"),
                 Position.PREFIX_TEMP + 1, -32745);
-- 
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