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authorAnton Tananaev <anton.tananaev@gmail.com>2018-09-08 16:50:41 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2018-09-08 16:50:41 +1200
commitb27ab90540402836b64e2eb634c37dcab7aa6608 (patch)
tree22da3a9f8dec35bd267bf3b02cc66550bea81a01 /src/org/traccar/protocol/FreematicsProtocolDecoder.java
parent1fde64481bc86b570ebd250784a0844fc4e77043 (diff)
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Fix issues in Freematics decoder
Diffstat (limited to 'src/org/traccar/protocol/FreematicsProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/FreematicsProtocolDecoder.java112
1 files changed, 94 insertions, 18 deletions
diff --git a/src/org/traccar/protocol/FreematicsProtocolDecoder.java b/src/org/traccar/protocol/FreematicsProtocolDecoder.java
index 2cab45189..8dce49195 100644
--- a/src/org/traccar/protocol/FreematicsProtocolDecoder.java
+++ b/src/org/traccar/protocol/FreematicsProtocolDecoder.java
@@ -18,12 +18,16 @@ package org.traccar.protocol;
import io.netty.channel.Channel;
import org.traccar.BaseProtocolDecoder;
import org.traccar.DeviceSession;
+import org.traccar.NetworkMessage;
+import org.traccar.helper.Checksum;
import org.traccar.helper.DateBuilder;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Position;
import java.net.SocketAddress;
import java.util.Date;
+import java.util.LinkedList;
+import java.util.List;
public class FreematicsProtocolDecoder extends BaseProtocolDecoder {
@@ -31,30 +35,67 @@ public class FreematicsProtocolDecoder extends BaseProtocolDecoder {
super(protocol);
}
- @Override
- protected Object decode(
- Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+ private Object decodeEvent(
+ Channel channel, SocketAddress remoteAddress, String sentence) throws Exception {
- String sentence = (String) msg;
- int startIndex = sentence.indexOf('#');
- int endIndex = sentence.indexOf('*');
+ DeviceSession deviceSession = null;
+ String time = null;
+
+ for (String pair : sentence.split(",")) {
+ String[] data = pair.split("=");
+ String key = data[0];
+ String value = data[1];
+ switch (key) {
+ case "ID":
+ case "VIN":
+ if (deviceSession == null) {
+ deviceSession = getDeviceSession(channel, remoteAddress, value);
+ }
+ break;
+ case "TS":
+ time = value;
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (channel != null && deviceSession != null && time != null) {
+ String message = "1#EV=1,RX=1,TS=" + time;
+ message += '*' + Checksum.sum(message);
+ channel.writeAndFlush(new NetworkMessage(message, remoteAddress));
+ }
+
+ return null;
+ }
+
+ private Object decodePosition(
+ Channel channel, SocketAddress remoteAddress, String sentence) throws Exception {
- DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, sentence.substring(0, startIndex));
+ DeviceSession deviceSession = getDeviceSession(channel, remoteAddress);
if (deviceSession == null) {
return null;
}
- Position position = new Position(getProtocolName());
- position.setDeviceId(deviceSession.getDeviceId());
- position.setValid(true);
+ List<Position> positions = new LinkedList<>();
+ Position position = null;
+ DateBuilder dateBuilder = null;
- DateBuilder dateBuilder = new DateBuilder(new Date());
-
- for (String pair : sentence.substring(startIndex + 1, endIndex).split(",")) {
- String[] data = pair.split("=");
+ for (String pair : sentence.split(",")) {
+ String[] data = pair.split("[=:]");
int key = Integer.parseInt(data[0], 16);
String value = data[1];
switch (key) {
+ case 0x0:
+ if (position != null) {
+ position.setTime(dateBuilder.getDate());
+ positions.add(position);
+ }
+ position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+ position.setValid(true);
+ dateBuilder = new DateBuilder(new Date());
+ break;
case 0x11:
value = ("000000" + value).substring(value.length());
dateBuilder.setDateReverse(
@@ -77,10 +118,10 @@ public class FreematicsProtocolDecoder extends BaseProtocolDecoder {
position.setLongitude(Double.parseDouble(value));
break;
case 0xC:
- position.setAltitude(Integer.parseInt(value));
+ position.setAltitude(Double.parseDouble(value));
break;
case 0xD:
- position.setLatitude(UnitsConverter.knotsFromKph(Integer.parseInt(value)));
+ position.setSpeed(UnitsConverter.knotsFromKph(Double.parseDouble(value)));
break;
case 0xE:
position.setCourse(Integer.parseInt(value));
@@ -88,16 +129,51 @@ public class FreematicsProtocolDecoder extends BaseProtocolDecoder {
case 0xF:
position.set(Position.KEY_SATELLITES, Integer.parseInt(value));
break;
+ case 0x20:
+ position.set(Position.KEY_ACCELERATION, value);
+ break;
+ case 0x24:
+ position.set(Position.KEY_BATTERY, Integer.parseInt(value) * 0.01);
+ break;
+ case 0x81:
+ position.set(Position.KEY_RSSI, Integer.parseInt(value));
+ break;
+ case 0x82:
+ position.set(Position.KEY_DEVICE_TEMP, Integer.parseInt(value) * 0.1);
+ break;
default:
position.set(data[0], value);
break;
}
+ }
+ if (position != null) {
+ position.setTime(dateBuilder.getDate());
+ positions.add(position);
}
- position.setTime(dateBuilder.getDate());
+ return positions;
+ }
+
+ @Override
+ protected Object decode(
+ Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
+
+ String sentence = (String) msg;
+ int startIndex = sentence.indexOf('#');
+ int endIndex = sentence.indexOf('*');
+
+ if (startIndex > 0 && endIndex > 0) {
+ sentence = sentence.substring(startIndex + 1, endIndex);
+
+ if (sentence.startsWith("EV")) {
+ return decodeEvent(channel, remoteAddress, sentence);
+ } else {
+ return decodePosition(channel, remoteAddress, sentence);
+ }
+ }
- return position;
+ return null;
}
}