diff options
Diffstat (limited to 'src/main/java/org/traccar')
| -rw-r--r-- | src/main/java/org/traccar/protocol/GatorProtocolDecoder.java | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/src/main/java/org/traccar/protocol/GatorProtocolDecoder.java b/src/main/java/org/traccar/protocol/GatorProtocolDecoder.java index 043839be9..cce23288a 100644 --- a/src/main/java/org/traccar/protocol/GatorProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/GatorProtocolDecoder.java @@ -1,5 +1,5 @@ /* - * Copyright 2013 - 2019 Anton Tananaev (anton@traccar.org) + * Copyright 2013 - 2020 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. @@ -23,6 +23,7 @@ import org.traccar.DeviceSession; import org.traccar.NetworkMessage; import org.traccar.Protocol; import org.traccar.helper.BcdUtil; +import org.traccar.helper.Checksum; import org.traccar.helper.DateBuilder; import org.traccar.helper.UnitsConverter; import org.traccar.model.Position; @@ -58,16 +59,16 @@ public class GatorProtocolDecoder extends BaseProtocolDecoder { return String.format("%02d%02d%02d%02d%02d", d1, d2, d3, d4, d5); } - private void sendResponse(Channel channel, SocketAddress remoteAddress, byte calibration) { + private void sendResponse(Channel channel, SocketAddress remoteAddress, int type, int checksum) { if (channel != null) { ByteBuf response = Unpooled.buffer(); - response.writeByte(0x24); response.writeByte(0x24); // header - response.writeByte(MSG_HEARTBEAT); // size - response.writeShort(5); - response.writeByte(calibration); - response.writeByte(0); // main order - response.writeByte(0); // slave order - response.writeByte(1); // calibration + response.writeShort(0x2424); // header + response.writeByte(MSG_HEARTBEAT); + response.writeShort(5); // length + response.writeByte(checksum); + response.writeByte(type); + response.writeByte(0); // subtype + response.writeByte(Checksum.sum(response.nioBuffer(2, response.writerIndex()))); response.writeByte(0x0D); channel.writeAndFlush(new NetworkMessage(response, remoteAddress)); } @@ -87,7 +88,7 @@ public class GatorProtocolDecoder extends BaseProtocolDecoder { buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte()); - sendResponse(channel, remoteAddress, buf.getByte(buf.writerIndex() - 2)); + sendResponse(channel, remoteAddress, type, buf.getByte(buf.writerIndex() - 2)); if (type == MSG_POSITION_DATA || type == MSG_ROLLCALL_RESPONSE || type == MSG_ALARM_DATA || type == MSG_BLIND_AREA) { |