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authorAnton Tananaev <anton.tananaev@gmail.com>2013-06-28 21:21:48 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2013-06-28 21:21:48 +1200
commitc63b9f7b7564e8cb7a0f55371652bc274395a697 (patch)
tree953b4ab60d7151f935ed4c56c2bb57f98a3b0dab /src/org/traccar
parent5ee096fb00acd904bfd30e09aa7dbc91f733426e (diff)
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Extend T55 protocol
Diffstat (limited to 'src/org/traccar')
-rw-r--r--src/org/traccar/protocol/T55ProtocolDecoder.java158
1 files changed, 145 insertions, 13 deletions
diff --git a/src/org/traccar/protocol/T55ProtocolDecoder.java b/src/org/traccar/protocol/T55ProtocolDecoder.java
index b95b9fc5a..ba85b8f1a 100644
--- a/src/org/traccar/protocol/T55ProtocolDecoder.java
+++ b/src/org/traccar/protocol/T55ProtocolDecoder.java
@@ -1,5 +1,5 @@
/*
- * Copyright 2012 Anton Tananaev (anton.tananaev@gmail.com)
+ * Copyright 2012 - 2013 Anton Tananaev (anton.tananaev@gmail.com)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -24,6 +24,7 @@ import org.jboss.netty.channel.ChannelHandlerContext;
import org.traccar.BaseProtocolDecoder;
import org.traccar.ServerManager;
import org.traccar.helper.Log;
+import org.traccar.model.ExtendedInfoFormatter;
import org.traccar.model.Position;
public class T55ProtocolDecoder extends BaseProtocolDecoder {
@@ -34,12 +35,9 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
super(serverManager);
}
- /**
- * Regular expressions pattern
- */
- static private Pattern pattern = Pattern.compile(
+ static private Pattern patternGPRMC = Pattern.compile(
"\\$GPRMC," +
- "(\\d{2})(\\d{2})(\\d{2})\\.(\\d+)," + // Time (HHMMSS.SSS)
+ "(\\d{2})(\\d{2})(\\d{2})\\.?\\d*," + // Time (HHMMSS.SSS)
"([AV])," + // Validity
"(\\d{2})(\\d{2}\\.\\d+)," + // Latitude (DDMM.MMMM)
"([NS])," +
@@ -48,8 +46,28 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
"(\\d+\\.?\\d*)?," + // Speed
"(\\d+\\.?\\d*)?," + // Course
"(\\d{2})(\\d{2})(\\d{2})" + // Date (DDMMYY)
- ".+"); // Other (Checksumm)
+ ".+");
+ static private Pattern patternGPGGA = Pattern.compile(
+ "\\$GPGGA," +
+ "(\\d{2})(\\d{2})(\\d{2})\\.?\\d*," + // Time
+ "(\\d{2})(\\d{2}\\.\\d+)," + // Latitude
+ "([NS])," +
+ "(\\d{3})(\\d{2}\\.\\d+)," + // Longitude
+ "([EW])," +
+ ".+");
+
+ static private Pattern patternGPRMA = Pattern.compile(
+ "\\$GPRMA," +
+ "([AV])," + // Validity
+ "(\\d{2})(\\d{2}\\.\\d+)," + // Latitude
+ "([NS])," +
+ "(\\d{3})(\\d{2}\\.\\d+)," + // Longitude
+ "([EW]),,," +
+ "(\\d+\\.?\\d*)?," + // Speed
+ "(\\d+\\.?\\d*)?," + // Course
+ ".+");
+
@Override
protected Object decode(
ChannelHandlerContext ctx, Channel channel, Object msg)
@@ -57,8 +75,8 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
String sentence = (String) msg;
- // Detect device ID
- if (sentence.contains("$PGID")) {
+ // Identification
+ if (sentence.startsWith("$PGID")) {
String imei = sentence.substring(6, sentence.length() - 3);
try {
deviceId = getDataManager().getDeviceByImei(imei).getId();
@@ -67,8 +85,18 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
}
}
- // Parse message
- else if (sentence.contains("$GPRMC") && deviceId != null) {
+ // Identification
+ else if (sentence.startsWith("$PCPTI")) {
+ String id = sentence.substring(7, sentence.indexOf(",", 7));
+ try {
+ deviceId = getDataManager().getDeviceByImei(id).getId();
+ } catch(Exception error) {
+ Log.warning("Unknown device - " + id);
+ }
+ }
+
+ // Location
+ else if (sentence.startsWith("$GPRMC") && deviceId != null) {
// Send response
if (channel != null) {
@@ -76,13 +104,14 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
}
// Parse message
- Matcher parser = pattern.matcher(sentence);
+ Matcher parser = patternGPRMC.matcher(sentence);
if (!parser.matches()) {
return null;
}
// Create new position
Position position = new Position();
+ ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("t55");
position.setDeviceId(deviceId);
Integer index = 1;
@@ -93,7 +122,6 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
time.set(Calendar.HOUR, Integer.valueOf(parser.group(index++)));
time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
- index += 1; // Skip milliseconds
// Validity
position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
@@ -135,9 +163,113 @@ public class T55ProtocolDecoder extends BaseProtocolDecoder {
// Altitude
position.setAltitude(0.0);
+ position.setExtendedInfo(extendedInfo.toString());
+ return position;
+ }
+
+ // Location
+ else if (sentence.startsWith("$GPGGA") && deviceId != null) {
+
+ // Parse message
+ Matcher parser = patternGPGGA.matcher(sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ // Create new position
+ Position position = new Position();
+ ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("t55");
+ position.setDeviceId(deviceId);
+
+ Integer index = 1;
+
+ // Time
+ Calendar time = Calendar.getInstance(TimeZone.getTimeZone("UTC"));
+ time.set(Calendar.HOUR, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.MINUTE, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.SECOND, Integer.valueOf(parser.group(index++)));
+ time.set(Calendar.MILLISECOND, 0);
+ position.setTime(time.getTime());
+
+ // Validity
+ position.setValid(true);
+
+ // Latitude
+ Double latitude = Double.valueOf(parser.group(index++));
+ latitude += Double.valueOf(parser.group(index++)) / 60;
+ if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
+ position.setLatitude(latitude);
+
+ // Longitude
+ Double lonlitude = Double.valueOf(parser.group(index++));
+ lonlitude += Double.valueOf(parser.group(index++)) / 60;
+ if (parser.group(index++).compareTo("W") == 0) lonlitude = -lonlitude;
+ position.setLongitude(lonlitude);
+
+ // Altitude
+ position.setAltitude(0.0);
+
+ position.setExtendedInfo(extendedInfo.toString());
return position;
}
+ // Location
+ else if (sentence.startsWith("$GPRMA") && deviceId != null) {
+
+ // Parse message
+ Matcher parser = patternGPRMA.matcher(sentence);
+ if (!parser.matches()) {
+ return null;
+ }
+
+ // Create new position
+ Position position = new Position();
+ ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("t55");
+ position.setDeviceId(deviceId);
+
+ Integer index = 1;
+
+ // Time
+ position.setTime(Calendar.getInstance(TimeZone.getTimeZone("UTC")).getTime());
+
+ // Validity
+ position.setValid(parser.group(index++).compareTo("A") == 0 ? true : false);
+
+ // Latitude
+ Double latitude = Double.valueOf(parser.group(index++));
+ latitude += Double.valueOf(parser.group(index++)) / 60;
+ if (parser.group(index++).compareTo("S") == 0) latitude = -latitude;
+ position.setLatitude(latitude);
+
+ // Longitude
+ Double lonlitude = Double.valueOf(parser.group(index++));
+ lonlitude += Double.valueOf(parser.group(index++)) / 60;
+ if (parser.group(index++).compareTo("W") == 0) lonlitude = -lonlitude;
+ position.setLongitude(lonlitude);
+
+ // Speed
+ String speed = parser.group(index++);
+ if (speed != null) {
+ position.setSpeed(Double.valueOf(speed));
+ } else {
+ position.setSpeed(0.0);
+ }
+
+ // Course
+ String course = parser.group(index++);
+ if (course != null) {
+ position.setCourse(Double.valueOf(course));
+ } else {
+ position.setCourse(0.0);
+ }
+
+ // Altitude
+ position.setAltitude(0.0);
+
+ position.setExtendedInfo(extendedInfo.toString());
+ return position;
+ }
+
return null;
}