diff options
| -rw-r--r-- | src/main/java/org/traccar/protocol/NiotProtocolDecoder.java | 12 | ||||
| -rw-r--r-- | src/test/java/org/traccar/protocol/NiotProtocolDecoderTest.java | 4 |
2 files changed, 14 insertions, 2 deletions
diff --git a/src/main/java/org/traccar/protocol/NiotProtocolDecoder.java b/src/main/java/org/traccar/protocol/NiotProtocolDecoder.java index 81b6efc91..58de0d38f 100644 --- a/src/main/java/org/traccar/protocol/NiotProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/NiotProtocolDecoder.java @@ -24,6 +24,7 @@ import org.traccar.DeviceSession; import org.traccar.NetworkMessage; import org.traccar.Protocol; import org.traccar.helper.BcdUtil; +import org.traccar.helper.BitUtil; import org.traccar.helper.Checksum; import org.traccar.helper.DateBuilder; import org.traccar.helper.UnitsConverter; @@ -55,6 +56,12 @@ public class NiotProtocolDecoder extends BaseProtocolDecoder { } } + private double readCoordinate(ByteBuf buf) { + long value = buf.readUnsignedInt(); + double result = BitUtil.to(value, 31) / 1800000.0; + return BitUtil.check(value, 31) ? -result : result; + } + @Override protected Object decode( Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { @@ -88,8 +95,9 @@ public class NiotProtocolDecoder extends BaseProtocolDecoder { .setSecond(BcdUtil.readInteger(buf, 2)); position.setTime(dateBuilder.getDate()); - position.setLatitude(BcdUtil.readCoordinate(buf)); - position.setLongitude(BcdUtil.readCoordinate(buf)); + position.setValid(true); + position.setLatitude(readCoordinate(buf)); + position.setLongitude(readCoordinate(buf)); position.setSpeed(UnitsConverter.knotsFromKph(BcdUtil.readInteger(buf, 4))); position.setCourse(BcdUtil.readInteger(buf, 4)); diff --git a/src/test/java/org/traccar/protocol/NiotProtocolDecoderTest.java b/src/test/java/org/traccar/protocol/NiotProtocolDecoderTest.java index 8787e8c51..e436fb4ed 100644 --- a/src/test/java/org/traccar/protocol/NiotProtocolDecoderTest.java +++ b/src/test/java/org/traccar/protocol/NiotProtocolDecoderTest.java @@ -11,6 +11,10 @@ public class NiotProtocolDecoderTest extends ProtocolTest { NiotProtocolDecoder decoder = new NiotProtocolDecoder(null); verifyPosition(decoder, binary( + "585880004c08675430347318522007161451458024b28003f566ee00000328f8000748217ffc500729007a280000000000160001383932353430323130363431363738373136323100050002004e00570d"), + position("2020-07-16 14:51:45.000", true, -1.33611, 36.89684)); + + verifyPosition(decoder, binary( "585880004c08675430355777182005201100468024121b03f390ba00000105f8000b8d207ffc5f0f290084500000000000160001383932353430323130363431363839323430303700050002004e55940d")); verifyPosition(decoder, binary( |