From ab10e710a9c57ef761ea9955198273db5f473581 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Thu, 27 Oct 2022 07:17:25 -0700 Subject: Fix DT700 temperature decoding --- .../java/org/traccar/protocol/HuabaoProtocolDecoder.java | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) (limited to 'src/main/java/org/traccar/protocol') diff --git a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java index b6940aecf..27a5094a0 100644 --- a/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/HuabaoProtocolDecoder.java @@ -408,6 +408,13 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder { } } + private double decodeCustomDouble(ByteBuf buf) { + int b1 = buf.readByte(); + int b2 = buf.readUnsignedByte(); + int sign = b1 != 0 ? b1 / Math.abs(b1) : 1; + return sign * (Math.abs(b1) + b2 / 255.0); + } + private Position decodeLocation(DeviceSession deviceSession, ByteBuf buf) { Position position = new Position(getProtocolName()); @@ -529,12 +536,8 @@ public class HuabaoProtocolDecoder extends BaseProtocolDecoder { while (buf.readerIndex() < endIndex) { int sensorIndex = buf.readUnsignedByte(); buf.skipBytes(6); // mac - position.set( - Position.PREFIX_TEMP + sensorIndex, - buf.readUnsignedByte() + buf.readUnsignedByte() * 0.01); - position.set( - "humidity" + sensorIndex, - buf.readUnsignedByte() + buf.readUnsignedByte() * 0.01); + position.set(Position.PREFIX_TEMP + sensorIndex, decodeCustomDouble(buf)); + position.set("humidity" + sensorIndex, decodeCustomDouble(buf)); } break; case 0xEB: -- cgit v1.2.3