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authorAnton Tananaev <anton@traccar.org>2023-08-04 17:12:49 -0700
committerAnton Tananaev <anton@traccar.org>2023-08-04 17:12:49 -0700
commitd979ab718ff043c6ec6b815e9833621b9fe0e566 (patch)
tree0b6b9d6b3679b067c0d0b8c88bc3ea9bbdc50566 /src
parent95fdfd770130b774e6201ddc88bba9241c95e3cc (diff)
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Support JC400 alarm messages
Diffstat (limited to 'src')
-rw-r--r--src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java37
-rw-r--r--src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java4
2 files changed, 34 insertions, 7 deletions
diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
index 4762fc884..53c812bb7 100644
--- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -121,6 +121,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
STANDARD,
OBD6,
WETRUST,
+ JC400,
}
private Variant variant;
@@ -269,12 +270,12 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
}
public static boolean decodeGps(Position position, ByteBuf buf, boolean hasLength, TimeZone timezone) {
- return decodeGps(position, buf, hasLength, true, true, timezone);
+ return decodeGps(position, buf, hasLength, true, true, false, timezone);
}
public static boolean decodeGps(
Position position, ByteBuf buf, boolean hasLength, boolean hasSatellites,
- boolean hasSpeed, TimeZone timezone) {
+ boolean hasSpeed, boolean longSpeed, TimeZone timezone) {
DateBuilder dateBuilder = new DateBuilder(timezone)
.setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
@@ -293,7 +294,8 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
double longitude = buf.readUnsignedInt() / 60.0 / 30000.0;
if (hasSpeed) {
- position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+ position.setSpeed(UnitsConverter.knotsFromKph(
+ longSpeed ? buf.readUnsignedShort() : buf.readUnsignedByte()));
}
int flags = buf.readUnsignedShort();
@@ -928,24 +930,44 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
boolean extendedAlarm = dataLength > 7;
if (extendedAlarm) {
- decodeGps(position, buf, false, false, false, deviceSession.get(DeviceSession.KEY_TIMEZONE));
+ if (variant == Variant.JC400) {
+ buf.readUnsignedShort(); // marker
+ buf.readUnsignedByte(); // version
+ }
+ decodeGps(
+ position, buf, false,
+ variant == Variant.JC400, variant == Variant.JC400, variant == Variant.JC400,
+ deviceSession.get(DeviceSession.KEY_TIMEZONE));
} else {
DateBuilder dateBuilder = new DateBuilder((TimeZone) deviceSession.get(DeviceSession.KEY_TIMEZONE))
.setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
.setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
getLastLocation(position, dateBuilder.getDate());
}
- short alarmType = buf.readUnsignedByte();
- switch (alarmType) {
+ if (variant == Variant.JC400) {
+ position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.1);
+ }
+ short event = buf.readUnsignedByte();
+ position.set(Position.KEY_EVENT, event);
+ switch (event) {
case 0x01:
position.set(Position.KEY_ALARM, extendedAlarm ? Position.ALARM_SOS : Position.ALARM_GENERAL);
break;
+ case 0x0E:
+ position.set(Position.KEY_ALARM, Position.ALARM_LOW_POWER);
+ break;
+ case 0x76:
+ position.set(Position.KEY_ALARM, Position.ALARM_TEMPERATURE);
+ break;
case 0x80:
position.set(Position.KEY_ALARM, Position.ALARM_VIBRATION);
break;
case 0x87:
position.set(Position.KEY_ALARM, Position.ALARM_OVERSPEED);
break;
+ case 0x88:
+ position.set(Position.KEY_ALARM, Position.ALARM_POWER_CUT);
+ break;
case 0x90:
position.set(Position.KEY_ALARM, Position.ALARM_ACCELERATION);
break;
@@ -959,7 +981,6 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
position.set(Position.KEY_ALARM, Position.ALARM_ACCIDENT);
break;
default:
- position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
break;
}
@@ -1432,6 +1453,8 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
variant = Variant.OBD6;
} else if (header == 0x7878 && type == MSG_GPS_LBS_1 && length == 0x29) {
variant = Variant.WETRUST;
+ } else if (header == 0x7878 && type == MSG_ALARM && buf.getUnsignedShort(buf.readerIndex() + 4) == 0xffff) {
+ variant = Variant.JC400;
} else {
variant = Variant.STANDARD;
}
diff --git a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
index 40f268a9d..9b196e501 100644
--- a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
@@ -18,6 +18,10 @@ public class Gt06ProtocolDecoderTest extends ProtocolTest {
"78780D01086471700328358100093F040D0A"));
verifyAttribute(decoder, binary(
+ "78785995ffff01170719152013df0163d45f041ee52018be002f00876900004556454e545f3836323739383035303137353131325f30303030303030305f323032335f30375f32355f31385f33325f30355f31342e6d70340119d15a0d0a"),
+ Position.KEY_EVENT, 0x69);
+
+ verifyAttribute(decoder, binary(
"787829a01707150f2d0ecd01635100041e96d000087c02d4020000912e000000000718798d000e0006ed3ce50d0a"),
Position.KEY_IGNITION, false);