From 59416923dcb3a756eaf532cc4259f2f6625c0762 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Sun, 31 Mar 2019 22:35:39 -0700 Subject: Convert project to gradle --- .../org/traccar/protocol/Vt200ProtocolDecoder.java | 150 +++++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 src/main/java/org/traccar/protocol/Vt200ProtocolDecoder.java (limited to 'src/main/java/org/traccar/protocol/Vt200ProtocolDecoder.java') diff --git a/src/main/java/org/traccar/protocol/Vt200ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Vt200ProtocolDecoder.java new file mode 100644 index 000000000..b1564abd9 --- /dev/null +++ b/src/main/java/org/traccar/protocol/Vt200ProtocolDecoder.java @@ -0,0 +1,150 @@ +/* + * Copyright 2017 - 2018 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. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.traccar.protocol; + +import io.netty.buffer.ByteBuf; +import io.netty.buffer.ByteBufUtil; +import io.netty.channel.Channel; +import org.traccar.BaseProtocolDecoder; +import org.traccar.DeviceSession; +import org.traccar.Protocol; +import org.traccar.helper.BcdUtil; +import org.traccar.helper.BitUtil; +import org.traccar.helper.DateBuilder; +import org.traccar.helper.UnitsConverter; +import org.traccar.model.Position; + +import java.net.SocketAddress; +import java.util.Arrays; +import java.util.Date; + +public class Vt200ProtocolDecoder extends BaseProtocolDecoder { + + public Vt200ProtocolDecoder(Protocol protocol) { + super(protocol); + } + + private static double decodeCoordinate(int value) { + int degrees = value / 1000000; + int minutes = value % 1000000; + return degrees + minutes * 0.0001 / 60; + } + + protected Date decodeDate(ByteBuf buf) { + DateBuilder dateBuilder = new DateBuilder() + .setDateReverse(BcdUtil.readInteger(buf, 2), BcdUtil.readInteger(buf, 2), BcdUtil.readInteger(buf, 2)) + .setTime(BcdUtil.readInteger(buf, 2), BcdUtil.readInteger(buf, 2), BcdUtil.readInteger(buf, 2)); + return dateBuilder.getDate(); + } + + @Override + protected Object decode( + Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { + + ByteBuf buf = (ByteBuf) msg; + + buf.skipBytes(1); // header + + String id = ByteBufUtil.hexDump(buf.readSlice(6)); + DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, id); + if (deviceSession == null) { + return null; + } + + int type = buf.readUnsignedShort(); + buf.readUnsignedShort(); // length + + if (type == 0x2086 || type == 0x2084 || type == 0x2082) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + buf.readUnsignedByte(); // data type + buf.readUnsignedShort(); // trip id + + position.setTime(decodeDate(buf)); + + position.setLatitude(decodeCoordinate(BcdUtil.readInteger(buf, 8))); + position.setLongitude(decodeCoordinate(BcdUtil.readInteger(buf, 9))); + + int flags = buf.readUnsignedByte(); + position.setValid(BitUtil.check(flags, 0)); + if (!BitUtil.check(flags, 1)) { + position.setLatitude(-position.getLatitude()); + } + if (!BitUtil.check(flags, 2)) { + position.setLongitude(-position.getLongitude()); + } + + position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte())); + position.setCourse(buf.readUnsignedByte() * 2); + + position.set(Position.KEY_SATELLITES, buf.readUnsignedByte()); + position.set(Position.KEY_RSSI, buf.readUnsignedByte()); + position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 1000); + position.set(Position.KEY_STATUS, buf.readUnsignedInt()); + + // additional data + + return position; + + } else if (type == 0x3088) { + + Position position = new Position(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + getLastLocation(position, null); + + buf.readUnsignedShort(); // trip id + buf.skipBytes(8); // imei + buf.skipBytes(8); // imsi + + position.set("tripStart", decodeDate(buf).getTime()); + position.set("tripEnd", decodeDate(buf).getTime()); + position.set("drivingTime", buf.readUnsignedShort()); + + position.set(Position.KEY_FUEL_CONSUMPTION, buf.readUnsignedInt()); + position.set(Position.KEY_ODOMETER_TRIP, buf.readUnsignedInt()); + + position.set("maxSpeed", UnitsConverter.knotsFromKph(buf.readUnsignedByte())); + position.set("maxRpm", buf.readUnsignedShort()); + position.set("maxTemp", buf.readUnsignedByte() - 40); + position.set("hardAccelerationCount", buf.readUnsignedByte()); + position.set("hardBrakingCount", buf.readUnsignedByte()); + + for (String speedType : Arrays.asList("over", "high", "normal", "low")) { + position.set(speedType + "SpeedTime", buf.readUnsignedShort()); + position.set(speedType + "SpeedDistance", buf.readUnsignedInt()); + position.set(speedType + "SpeedFuel", buf.readUnsignedInt()); + } + + position.set("idleTime", buf.readUnsignedShort()); + position.set("idleFuel", buf.readUnsignedInt()); + + position.set("hardCorneringCount", buf.readUnsignedByte()); + position.set("overspeedCount", buf.readUnsignedByte()); + position.set("overheatCount", buf.readUnsignedShort()); + position.set("laneChangeCount", buf.readUnsignedByte()); + position.set("emergencyRefueling", buf.readUnsignedByte()); + + return position; + + } + + return null; + } + +} -- cgit v1.2.3