Ignore invalid values

1 files changed, 9 insertions, 3 deletions

diff --git a/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java
index 3ad70bdca..2e1ddf5f2 100644
--- a/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/HuaShengProtocolDecoder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016 - 2020 Anton Tananaev (anton@traccar.org)
+ * Copyright 2016 - 2021 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.
@@ -234,8 +234,14 @@ public class HuaShengProtocolDecoder extends BaseProtocolDecoder {
             int length = buf.readUnsignedShort() - 4;
             switch (subtype) {
                 case 0x0001:
-                    position.set(Position.KEY_COOLANT_TEMP, buf.readUnsignedByte() - 40);
-                    position.set(Position.KEY_RPM, buf.readUnsignedShort());
+                    int coolantTemperature = buf.readUnsignedByte() - 40;
+                    if (coolantTemperature <= 215) {
+                        position.set(Position.KEY_COOLANT_TEMP, coolantTemperature);
+                    }
+                    int rpm = buf.readUnsignedShort();
+                    if (rpm <= 65535) {
+                        position.set(Position.KEY_RPM, rpm);
+                    }
                     position.set("averageSpeed", buf.readUnsignedByte());
                     buf.readUnsignedShort(); // interval fuel consumption
                     position.set(Position.KEY_FUEL_CONSUMPTION, buf.readUnsignedShort() * 0.01);