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-rw-r--r--src/org/traccar/protocol/Laipac2ProtocolDecoder.java123
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diff --git a/src/org/traccar/protocol/Laipac2ProtocolDecoder.java b/src/org/traccar/protocol/Laipac2ProtocolDecoder.java
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+/*
+ * Copyright 2013 - 2017 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 org.jboss.netty.channel.Channel;
+import org.traccar.BaseProtocolDecoder;
+import org.traccar.DeviceSession;
+import org.traccar.helper.Checksum;
+import org.traccar.helper.DateBuilder;
+import org.traccar.helper.Parser;
+import org.traccar.helper.PatternBuilder;
+import org.traccar.model.Position;
+
+import java.net.SocketAddress;
+import java.util.regex.Pattern;
+
+public class Laipac2ProtocolDecoder extends BaseProtocolDecoder {
+
+ public Laipac2ProtocolDecoder(Laipac2Protocol protocol) {
+ super(protocol);
+ }
+
+ private static final Pattern PATTERN = new PatternBuilder()
+ .text("$AVRMC,")
+ .expression("([^,]+),") // identifier
+ .number("(dd)(dd)(dd),") // time (hhmmss)
+ .expression("([AVRPavrp]),") // validity
+ .number("(dd)(dd.d+),") // latitude
+ .expression("([NS]),")
+ .number("(ddd)(dd.d+),") // longitude
+ .number("([EW]),")
+ .number("(d+.d+),") // speed
+ .number("(d+.d+),") // course
+ .number("(dd)(dd)(dd),") // date (ddmmyy)
+ .expression("([abZXMHE86430]),") // event code
+ .number("(d+),") // battery voltage
+ .number("(d+),") // current mileage
+ .number("(d),") // GPS on/off (1 = on, 0 = off)
+ .number("(d),") // Analog port 1
+ .number("(d+),") // Analog port 2
+ .expression("([0-9a-fA-F]{4})") // Cell 1 - Cell Net Code
+ .expression("([0-9a-fA-F]{4}),") // Cell 1 - Cell ID Code
+ .number("(d+)") // Cell 2
+ .text("*")
+ .number("(xx)") // checksum
+ .compile();
+
+ @Override
+ protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+ String sentence = (String) msg;
+
+ if (sentence.startsWith("$ECHK") && channel != null) {
+ channel.write(sentence + "\r\n"); // heartbeat
+ return null;
+ }
+
+ Parser parser = new Parser(PATTERN, sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, parser.next());
+ if (deviceSession == null) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setTime(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+
+ String status = parser.next();
+ position.setValid(status.toUpperCase().equals("A"));
+
+ position.setLatitude(parser.nextCoordinate());
+ position.setLongitude(parser.nextCoordinate());
+ position.setSpeed(parser.nextDouble(0));
+ position.setCourse(parser.nextDouble(0));
+
+ dateBuilder.setDateReverse(parser.nextInt(0), parser.nextInt(0), parser.nextInt(0));
+ position.setTime(dateBuilder.getDate());
+
+ String type = parser.next();
+ position.set(Position.KEY_BATTERY_LEVEL, parser.nextDouble());
+ //position.set(Position.KEY_, parser.nextDouble());
+ String checksum = parser.next();
+
+ if (channel != null) {
+
+ if (Character.isLowerCase(status.charAt(0))) {
+ String response = "$EAVACK," + type + "," + checksum;
+ response += Checksum.nmea(response);
+ channel.write(response);
+ }
+
+ if (type.equals("S") || type.equals("T")) {
+ channel.write("$AVCFG,00000000,t*21");
+ } else if (type.equals("3")) {
+ channel.write("$AVCFG,00000000,d*31");
+ } else if (type.equals("X") || type.equals("4")) {
+ channel.write("$AVCFG,00000000,x*2D");
+ }
+
+ }
+
+ return position;
+ }
+
+}