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authorRadek Svanda <radek.svanda@elder.cz>2020-10-23 18:07:28 +0200
committerRadek Svanda <radek.svanda@elder.cz>2020-10-26 12:15:32 +0100
commite67e83731f80d12b86aac91337c9aab94bb6d4e6 (patch)
treec579695891d55cf747c405e17cb5d46b6a57537f /src
parent9188d67c08f309697fed0f4e452b06ea738a67bf (diff)
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Added support for JC400 alarm messages
Also a bit of code reuse included.
Diffstat (limited to 'src')
-rw-r--r--src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java52
-rw-r--r--src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java15
2 files changed, 36 insertions, 31 deletions
diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
index c0e9541a4..0fc94d15f 100644
--- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
+++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java
@@ -222,9 +222,19 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
position.set(Position.KEY_SATELLITES, BitUtil.to(buf.readUnsignedByte(), 4));
+ decodeLocation(position, buf, true);
+
+ return true;
+ }
+
+ private static void decodeLocation(Position position, ByteBuf buf, boolean withSpeed) {
+
double latitude = buf.readUnsignedInt() / 60.0 / 30000.0;
double longitude = buf.readUnsignedInt() / 60.0 / 30000.0;
- position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+
+ if (withSpeed) {
+ position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
+ }
int flags = buf.readUnsignedShort();
position.setCourse(BitUtil.to(flags, 10));
@@ -244,7 +254,6 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
position.set(Position.KEY_IGNITION, BitUtil.check(flags, 15));
}
- return true;
}
private boolean decodeLbs(Position position, ByteBuf buf, boolean hasLength) {
@@ -779,16 +788,20 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
}
} else if (type == MSG_ALARM) {
-
DateBuilder dateBuilder = new DateBuilder(deviceSession.getTimeZone())
.setDate(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte())
.setTime(buf.readUnsignedByte(), buf.readUnsignedByte(), buf.readUnsignedByte());
-
- getLastLocation(position, dateBuilder.getDate());
-
+ if (dataLength == 7) {
+ getLastLocation(position, dateBuilder.getDate());
+ } else {
+ position.setTime(dateBuilder.getDate());
+ decodeLocation(position, buf, false);
+ }
short alarmType = buf.readUnsignedByte();
-
switch (alarmType) {
+ case 0x01:
+ position.set(Position.KEY_ALARM, dataLength == 7 ? Position.ALARM_GENERAL : Position.ALARM_SOS);
+ break;
case 0x80:
position.set(Position.KEY_ALARM, Position.ALARM_VIBRATION);
break;
@@ -804,13 +817,13 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
case 0x92:
position.set(Position.KEY_ALARM, Position.ALARM_CORNERING);
break;
+ case 0x93:
+ position.set(Position.KEY_ALARM, Position.ALARM_ACCIDENT);
+ break;
default:
position.set(Position.KEY_ALARM, Position.ALARM_GENERAL);
break;
}
-
- position.set("alarmValue", buf.readShort());
-
} else {
if (dataLength > 0) {
@@ -1108,24 +1121,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder {
position.setTime(new Date(buf.readUnsignedInt() * 1000));
position.set(Position.KEY_SATELLITES, buf.readUnsignedByte());
position.setAltitude(buf.readShort());
-
- double latitude = buf.readUnsignedInt() / 60.0 / 30000.0;
- double longitude = buf.readUnsignedInt() / 60.0 / 30000.0;
- position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
-
- int flags = buf.readUnsignedShort();
- position.setCourse(BitUtil.to(flags, 10));
- position.setValid(BitUtil.check(flags, 12));
-
- if (!BitUtil.check(flags, 10)) {
- latitude = -latitude;
- }
- if (BitUtil.check(flags, 11)) {
- longitude = -longitude;
- }
-
- position.setLatitude(latitude);
- position.setLongitude(longitude);
+ decodeLocation(position, buf, true);
break;
case 0x34:
position.set(Position.KEY_EVENT, buf.readUnsignedByte());
diff --git a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
index 46d6a6dab..25d6870bc 100644
--- a/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
+++ b/src/test/java/org/traccar/protocol/Gt06ProtocolDecoderTest.java
@@ -334,12 +334,21 @@ public class Gt06ProtocolDecoderTest extends ProtocolTest {
Position.KEY_ALARM, Position.ALARM_ACCELERATION);
verifyAttribute(decoder, binary(
- "78780c95130a0209321c90000112800d0a"),
- "alarmValue", 1);
+ "78780c95130a0209321c91000112800d0a"),
+ Position.KEY_ALARM, Position.ALARM_BRAKING);
verifyAttribute(decoder, binary(
- "78780c95130a0209321c91000112800d0a"),
+ "78788b95140a060e2208055D4A800209D9C014c59100004556454e545f3335333337363131303032333139365f30303030303030305f323032305f31305f30365f31365f33345f30385f33322e6d70342c4556454e545f3335333337363131303032333139365f30303030303030305f323032305f31305f30365f31365f33345f30385f33312e6d70340000da360d0a"),
Position.KEY_ALARM, Position.ALARM_BRAKING);
+
+ verifyAttribute(decoder, binary(
+ "78788b95140a070c1434055D4A800209D9C014280100004556454e545f3335333337363131303032333139365f30303030303030305f323032305f31305f30375f31345f32305f35325f32342e6d70342c4556454e545f3335333337363131303032333139365f30303030303030305f323032305f31305f30375f31345f32305f35325f32332e6d7034003f6b260d0a"),
+ Position.KEY_ALARM, Position.ALARM_SOS);
+
+ verifyAttribute(decoder, binary(
+ "78785195140a020c2914055D4A800209D9C014009300004556454e545f3335333337363131303032333139365f30303030303030305f323032305f31305f30325f31345f34315f32305f30352e6d70340004e3a60d0a"),
+ Position.KEY_ALARM, Position.ALARM_ACCIDENT);
+
}
}