From 10c5a55e1f08fadb8125a782d831b835aed2fea9 Mon Sep 17 00:00:00 2001
From: Anton Tananaev <anton.tananaev@gmail.com>
Date: Mon, 7 Sep 2020 10:02:54 -0700
Subject: Decode external power value

---
 src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java | 11 +++++++----
 .../java/org/traccar/protocol/HuabaoProtocolDecoderTest.java  |  3 +++
 2 files changed, 10 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
index 841e2235d..a562267aa 100644
--- a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java
@@ -298,19 +298,22 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder {
                     break;
                 case 0xEB:
                     while (buf.readerIndex() < endIndex) {
-                        int tenetLength = buf.readUnsignedShort();
-                        int tenetType = buf.readUnsignedShort();
-                        switch (tenetType) {
+                        int extendedLength = buf.readUnsignedShort();
+                        int extendedType = buf.readUnsignedShort();
+                        switch (extendedType) {
                             case 0x0001:
                                 position.set("fuel1", buf.readUnsignedShort() * 0.1);
                                 buf.readUnsignedByte(); // unused
                                 break;
+                            case 0x0004:
+                                position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.01);
+                                break;
                             case 0x0023:
                                 position.set("fuel2", Double.parseDouble(
                                         buf.readCharSequence(6, StandardCharsets.US_ASCII).toString()));
                                 break;
                             default:
-                                buf.skipBytes(tenetLength - 2);
+                                buf.skipBytes(extendedLength - 2);
                                 break;
                         }
                     }
diff --git a/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
index f600a77d4..f547cf9da 100644
--- a/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/HuabaoProtocolDecoderTest.java
@@ -14,6 +14,9 @@ public class HuabaoProtocolDecoderTest extends ProtocolTest {
         verifyNull(decoder, binary(
                 "7E01000021013345678906000F002C012F373031313142534A2D4D3742203030303030303001D4C1423838383838B47E"));
 
+        verifyPositions(decoder, binary(
+                "7e070400db07904116875014480003010046000000000000000b020057d40072fb9c0064017200f220090215230301040000092930011f31010ceb1c000c00b28921200272401241734f00060089ffffffef000400ce1d460046000000000000000b0200570c0072fdb2005f013600ee20090215230801040000092a30011f31010ceb1c000c00b28921200272401241734f00060089ffffffef000400ce1e800046000000000000000b020056ac0072fe9b005a00d200ec20090215231301040000092a30011b31010ceb1c000c00b28921200272401241734f00060089ffffffef000400ce1e35d77e"));
+
         verifyAttribute(decoder, binary(
                 "7e550104337401903111850622072002454206133574075359513a0000080100000001aa00005ded05e203000000000c06005affb5ffb40a0302dc65100100137e"),
                 Position.KEY_CHARGE, true);
-- 
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