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authorAnton Tananaev <anton.tananaev@gmail.com>2013-07-20 17:48:24 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2013-07-20 17:48:24 +1200
commitd46ca1ac0b96472eb52604761bd1b49330d18323 (patch)
tree6972b31b69c0307d71c1c001efd28ba8a14b1383 /src/org/traccar/protocol
parent3a4b5c8647c9925ab740a566097c5e92d4a5eedf (diff)
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Support Teltonika GH3000 protocol
Diffstat (limited to 'src/org/traccar/protocol')
-rw-r--r--src/org/traccar/protocol/TeltonikaProtocolDecoder.java129
1 files changed, 101 insertions, 28 deletions
diff --git a/src/org/traccar/protocol/TeltonikaProtocolDecoder.java b/src/org/traccar/protocol/TeltonikaProtocolDecoder.java
index 7561e35e1..2cc7d1477 100644
--- a/src/org/traccar/protocol/TeltonikaProtocolDecoder.java
+++ b/src/org/traccar/protocol/TeltonikaProtocolDecoder.java
@@ -55,13 +55,21 @@ public class TeltonikaProtocolDecoder extends BaseProtocolDecoder {
channel.write(response);
}
}
+
+ private static boolean checkBit(long mask, int bit) {
+ long checkMask = 1 << bit;
+ return (mask & checkMask) == checkMask;
+ }
+
+ private static final int CODEC_GH3000 = 0x07;
+ private static final int CODEC_FM4X00 = 0x08;
private List<Position> parseLocation(Channel channel, ChannelBuffer buf) {
List<Position> positions = new LinkedList<Position>();
buf.skipBytes(4); // marker
buf.readUnsignedInt(); // data length
- buf.readUnsignedByte(); // codec
+ int codec = buf.readUnsignedByte(); // codec
int count = buf.readUnsignedByte();
for (int i = 0; i < count; i++) {
@@ -69,48 +77,113 @@ public class TeltonikaProtocolDecoder extends BaseProtocolDecoder {
ExtendedInfoFormatter extendedInfo = new ExtendedInfoFormatter("teltonika");
position.setDeviceId(deviceId);
- position.setTime(new Date(buf.readLong()));
+
+ int globalMask = 0x0f;
+
+ if (codec == CODEC_GH3000) {
- extendedInfo.set("priority", buf.readUnsignedByte());
+ long time = buf.readUnsignedInt() & 0x3fffffff;
+ time += 1199145600; // 2008-01-01 00:00:00
+ position.setTime(new Date(time * 1000));
+
+ globalMask = buf.readUnsignedByte();
+ if (!checkBit(globalMask, 0)) {
+ return null;
+ }
+
+ int locationMask = buf.readUnsignedByte();
+
+ if (checkBit(locationMask, 0)) {
+ position.setLatitude(Double.valueOf(buf.readFloat()));
+ position.setLongitude(Double.valueOf(buf.readFloat()));
+ }
+
+ if (checkBit(locationMask, 1)) {
+ position.setAltitude((double) buf.readUnsignedShort());
+ }
+
+ if (checkBit(locationMask, 2)) {
+ position.setCourse(buf.readUnsignedByte() * 360.0 / 256);
+ }
+
+ if (checkBit(locationMask, 3)) {
+ position.setSpeed((double) buf.readUnsignedByte());
+ }
+
+ if (checkBit(locationMask, 4)) {
+ int satellites = buf.readUnsignedByte();
+ extendedInfo.set("satellites", satellites);
+ position.setValid(satellites >= 3);
+ }
+
+ if (checkBit(locationMask, 5)) {
+ extendedInfo.set("area", buf.readUnsignedShort());
+ extendedInfo.set("cell", buf.readUnsignedShort());
+ }
+
+ if (checkBit(locationMask, 6)) {
+ extendedInfo.set("gsm", buf.readUnsignedByte());
+ }
+
+ if (checkBit(locationMask, 7)) {
+ extendedInfo.set("operator", buf.readUnsignedInt());
+ }
- position.setLongitude(buf.readInt() / 10000000.0);
- position.setLatitude(buf.readInt() / 10000000.0);
- position.setAltitude((double) buf.readUnsignedShort());
- position.setCourse((double) buf.readUnsignedShort());
-
- int satellites = buf.readUnsignedByte();
- extendedInfo.set("satellites", satellites);
+ } else {
- position.setValid(satellites != 0);
-
- position.setSpeed(buf.readUnsignedShort() * 0.539957);
+ position.setTime(new Date(buf.readLong()));
- extendedInfo.set("event", buf.readUnsignedByte());
-
- buf.readUnsignedByte(); // total IO data records
+ extendedInfo.set("priority", buf.readUnsignedByte());
+
+ position.setLongitude(buf.readInt() / 10000000.0);
+ position.setLatitude(buf.readInt() / 10000000.0);
+ position.setAltitude((double) buf.readUnsignedShort());
+ position.setCourse((double) buf.readUnsignedShort());
+ int satellites = buf.readUnsignedByte();
+ extendedInfo.set("satellites", satellites);
+
+ position.setValid(satellites != 0);
+
+ position.setSpeed(buf.readUnsignedShort() * 0.539957);
+
+ extendedInfo.set("event", buf.readUnsignedByte());
+
+ buf.readUnsignedByte(); // total IO data records
+
+ }
+
// Read 1 byte data
- int cnt = buf.readUnsignedByte();
- for (int j = 0; j < cnt; j++) {
- extendedInfo.set("io" + buf.readUnsignedByte(), buf.readUnsignedByte());
+ if (checkBit(globalMask, 1)) {
+ int cnt = buf.readUnsignedByte();
+ for (int j = 0; j < cnt; j++) {
+ extendedInfo.set("io" + buf.readUnsignedByte(), buf.readUnsignedByte());
+ }
}
+
// Read 2 byte data
- cnt = buf.readUnsignedByte();
- for (int j = 0; j < cnt; j++) {
- extendedInfo.set("io" + buf.readUnsignedByte(), buf.readUnsignedShort());
+ if (checkBit(globalMask, 2)) {
+ int cnt = buf.readUnsignedByte();
+ for (int j = 0; j < cnt; j++) {
+ extendedInfo.set("io" + buf.readUnsignedByte(), buf.readUnsignedShort());
+ }
}
// Read 4 byte data
- cnt = buf.readUnsignedByte();
- for (int j = 0; j < cnt; j++) {
- extendedInfo.set("io" + buf.readUnsignedByte(), buf.readUnsignedInt());
+ if (checkBit(globalMask, 3)) {
+ int cnt = buf.readUnsignedByte();
+ for (int j = 0; j < cnt; j++) {
+ extendedInfo.set("io" + buf.readUnsignedByte(), buf.readUnsignedInt());
+ }
}
// Read 8 byte data
- cnt = buf.readUnsignedByte();
- for (int j = 0; j < cnt; j++) {
- extendedInfo.set("io" + buf.readUnsignedByte(), buf.readLong());
+ if (codec == CODEC_FM4X00) {
+ int cnt = buf.readUnsignedByte();
+ for (int j = 0; j < cnt; j++) {
+ extendedInfo.set("io" + buf.readUnsignedByte(), buf.readLong());
+ }
}
position.setExtendedInfo(extendedInfo.toString());