From bff2f2d61878390827ed452bd8a6c4e48f89083b Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Fri, 3 Dec 2021 20:39:23 -0800 Subject: Fix temperature decoding --- src/main/java/org/traccar/protocol/T800xProtocolDecoder.java | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java b/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java index 7f7873e50..d56826cd9 100644 --- a/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/T800xProtocolDecoder.java @@ -232,6 +232,11 @@ public class T800xProtocolDecoder extends BaseProtocolDecoder { return null; } + private double decodeBleTemp(ByteBuf buf) { + int value = buf.readUnsignedShort(); + return (BitUtil.check(value, 15) ? -BitUtil.to(value, 15) : BitUtil.to(value, 15)) * 0.01; + } + private Position decodeBle( Channel channel, DeviceSession deviceSession, ByteBuf buf, int type, int index, ByteBuf imei) { @@ -281,7 +286,7 @@ public class T800xProtocolDecoder extends BaseProtocolDecoder { position.set("tag" + i + "Id", ByteBufUtil.hexDump(buf.readSlice(6))); position.set("tag" + i + "Battery", buf.readUnsignedByte() * 0.01 + 2); buf.readUnsignedByte(); // battery level - position.set("tag" + i + "Temp", buf.readUnsignedShort() * 0.01); + position.set("tag" + i + "Temp", decodeBleTemp(buf)); position.set("tag" + i + "Humidity", buf.readUnsignedShort() * 0.01); position.set("tag" + i + "LightSensor", buf.readUnsignedShort()); position.set("tag" + i + "Rssi", buf.readUnsignedByte() - 128); @@ -290,7 +295,7 @@ public class T800xProtocolDecoder extends BaseProtocolDecoder { position.set("tag" + i + "Id", ByteBufUtil.hexDump(buf.readSlice(6))); position.set("tag" + i + "Battery", buf.readUnsignedByte() * 0.01 + 2); buf.readUnsignedByte(); // battery level - position.set("tag" + i + "Temp", buf.readUnsignedShort() * 0.01); + position.set("tag" + i + "Temp", decodeBleTemp(buf)); position.set("tag" + i + "Door", buf.readUnsignedByte() > 0); position.set("tag" + i + "Rssi", buf.readUnsignedByte() - 128); break; -- cgit v1.2.3