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-rw-r--r--src/main/java/org/traccar/protocol/TopinProtocolDecoder.java42
1 files changed, 39 insertions, 3 deletions
diff --git a/src/main/java/org/traccar/protocol/TopinProtocolDecoder.java b/src/main/java/org/traccar/protocol/TopinProtocolDecoder.java
index c817f500a..4042e348c 100644
--- a/src/main/java/org/traccar/protocol/TopinProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/TopinProtocolDecoder.java
@@ -25,6 +25,7 @@ import org.traccar.NetworkMessage;
import org.traccar.Protocol;
import org.traccar.helper.BcdUtil;
import org.traccar.helper.DateBuilder;
+import org.traccar.helper.UnitsConverter;
import org.traccar.model.CellTower;
import org.traccar.model.Network;
import org.traccar.model.Position;
@@ -41,6 +42,8 @@ public class TopinProtocolDecoder extends BaseProtocolDecoder {
}
public static final int MSG_LOGIN = 0x01;
+ public static final int MSG_GPS_2 = 0x08;
+ public static final int MSG_GPS_OFFLINE_2 = 0x09;
public static final int MSG_GPS = 0x10;
public static final int MSG_GPS_OFFLINE = 0x11;
public static final int MSG_STATUS = 0x13;
@@ -77,6 +80,14 @@ public class TopinProtocolDecoder extends BaseProtocolDecoder {
sendResponse(channel, dateBuffer.readableBytes(), type, dateBuffer);
}
+ private double readCoordinate(ByteBuf buf) {
+ int degrees = buf.readUnsignedByte();
+ boolean negative = (buf.getUnsignedByte(buf.readerIndex()) & 0xf0) > 0;
+ int decimal = buf.readUnsignedMedium() & 0x0fffff;
+ double result = degrees + decimal * 0.000001;
+ return negative ? -result : result;
+ }
+
@Override
protected Object decode(
Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {
@@ -95,9 +106,7 @@ public class TopinProtocolDecoder extends BaseProtocolDecoder {
ByteBuf content = Unpooled.buffer();
content.writeByte(deviceSession != null ? 0x01 : 0x44);
sendResponse(channel, length, type, content);
-
updateTime(channel, MSG_TIME_UPDATE);
-
return null;
} else {
deviceSession = getDeviceSession(channel, remoteAddress);
@@ -106,7 +115,34 @@ public class TopinProtocolDecoder extends BaseProtocolDecoder {
}
}
- if (type == MSG_GPS || type == MSG_GPS_OFFLINE) {
+ if (type == MSG_GPS_2 || type == MSG_GPS_OFFLINE_2) {
+
+ if (buf.readableBytes() <= 2) {
+ return null;
+ }
+
+ Position position = new Position(getProtocolName());
+ position.setDeviceId(deviceSession.getDeviceId());
+
+ DateBuilder dateBuilder = new DateBuilder()
+ .setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
+ .setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
+ position.setTime(dateBuilder.getDate());
+
+ position.setValid(type == MSG_GPS_2);
+ position.setLatitude(readCoordinate(buf));
+ position.setLongitude(readCoordinate(buf));
+
+ buf.skipBytes(4 + 4); // second coordinates
+
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+ position.setCourse(buf.readUnsignedByte() * 2);
+
+ position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
+
+ return position;
+
+ } else if (type == MSG_GPS || type == MSG_GPS_OFFLINE) {
Position position = new Position(getProtocolName());
position.setDeviceId(deviceSession.getDeviceId());