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Diffstat (limited to 'src/org/traccar/protocol/Mta6ProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/Mta6ProtocolDecoder.java48
1 files changed, 21 insertions, 27 deletions
diff --git a/src/org/traccar/protocol/Mta6ProtocolDecoder.java b/src/org/traccar/protocol/Mta6ProtocolDecoder.java
index 7d4ead62c..459b8bcb8 100644
--- a/src/org/traccar/protocol/Mta6ProtocolDecoder.java
+++ b/src/org/traccar/protocol/Mta6ProtocolDecoder.java
@@ -21,7 +21,6 @@ import java.util.Date;
import java.util.LinkedList;
import java.util.List;
import java.util.TimeZone;
-
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.channel.Channel;
@@ -31,8 +30,8 @@ import org.jboss.netty.handler.codec.http.HttpRequest;
import org.jboss.netty.handler.codec.http.HttpResponse;
import org.jboss.netty.handler.codec.http.HttpResponseStatus;
import org.jboss.netty.handler.codec.http.HttpVersion;
-
import org.traccar.BaseProtocolDecoder;
+import org.traccar.helper.BitUtil;
import org.traccar.helper.ChannelBufferTools;
import org.traccar.model.Event;
import org.traccar.model.Position;
@@ -66,11 +65,6 @@ public class Mta6ProtocolDecoder extends BaseProtocolDecoder {
channel.write(response);
}
- private static boolean checkBit(long mask, int bit) {
- long checkMask = 1 << bit;
- return (mask & checkMask) == checkMask;
- }
-
private static class FloatReader {
private int previousFloat;
@@ -135,11 +129,11 @@ public class Mta6ProtocolDecoder extends BaseProtocolDecoder {
// Skip events
short event = buf.readUnsignedByte();
- if (checkBit(event, 7)) {
- if (checkBit(event, 6)) {
+ if (BitUtil.check(event, 7)) {
+ if (BitUtil.check(event, 6)) {
buf.skipBytes(8);
} else {
- while (checkBit(event, 7)) {
+ while (BitUtil.check(event, 7)) {
event = buf.readUnsignedByte();
}
}
@@ -149,44 +143,44 @@ public class Mta6ProtocolDecoder extends BaseProtocolDecoder {
position.setLongitude(longitudeReader.readFloat(buf) / Math.PI * 180);
position.setTime(timeReader.readTime(buf));
- if (checkBit(flags, 0)) {
+ if (BitUtil.check(flags, 0)) {
buf.readUnsignedByte(); // status
}
- if (checkBit(flags, 1)) {
+ if (BitUtil.check(flags, 1)) {
position.setAltitude(buf.readUnsignedShort());
}
- if (checkBit(flags, 2)) {
+ if (BitUtil.check(flags, 2)) {
position.setSpeed(buf.readUnsignedShort() & 0x03ff);
position.setCourse(buf.readUnsignedByte());
}
- if (checkBit(flags, 3)) {
+ if (BitUtil.check(flags, 3)) {
position.set(Event.KEY_ODOMETER, buf.readUnsignedShort());
}
- if (checkBit(flags, 4)) {
+ if (BitUtil.check(flags, 4)) {
position.set(Event.KEY_FUEL, buf.readUnsignedInt() + "|" + buf.readUnsignedInt());
position.set("hours1", buf.readUnsignedShort());
position.set("hours2", buf.readUnsignedShort());
}
- if (checkBit(flags, 5)) {
+ if (BitUtil.check(flags, 5)) {
position.set(Event.PREFIX_ADC + 1, buf.readUnsignedShort() & 0x03ff);
position.set(Event.PREFIX_ADC + 2, buf.readUnsignedShort() & 0x03ff);
position.set(Event.PREFIX_ADC + 3, buf.readUnsignedShort() & 0x03ff);
position.set(Event.PREFIX_ADC + 4, buf.readUnsignedShort() & 0x03ff);
}
- if (checkBit(flags, 6)) {
+ if (BitUtil.check(flags, 6)) {
position.set(Event.PREFIX_TEMP + 1, buf.readByte());
buf.getUnsignedByte(buf.readerIndex()); // control (>> 4)
position.set(Event.KEY_INPUT, buf.readUnsignedShort() & 0x0fff);
buf.readUnsignedShort(); // old sensor state (& 0x0fff)
}
- if (checkBit(flags, 7)) {
+ if (BitUtil.check(flags, 7)) {
position.set(Event.KEY_BATTERY, buf.getUnsignedByte(buf.readerIndex()) >> 2);
position.set(Event.KEY_POWER, buf.readUnsignedShort() & 0x03ff);
buf.readByte(); // microcontroller temperature
@@ -214,11 +208,11 @@ public class Mta6ProtocolDecoder extends BaseProtocolDecoder {
// Skip events
short event = buf.readUnsignedByte();
- if (checkBit(event, 7)) {
- if (checkBit(event, 6)) {
+ if (BitUtil.check(event, 7)) {
+ if (BitUtil.check(event, 6)) {
buf.skipBytes(8);
} else {
- while (checkBit(event, 7)) {
+ while (BitUtil.check(event, 7)) {
event = buf.readUnsignedByte();
}
}
@@ -230,41 +224,41 @@ public class Mta6ProtocolDecoder extends BaseProtocolDecoder {
buf.readUnsignedByte(); // status
- if (checkBit(flags, 0)) {
+ if (BitUtil.check(flags, 0)) {
position.setAltitude(buf.readUnsignedShort());
position.setSpeed(buf.readUnsignedByte());
position.setCourse(buf.readByte());
position.set(Event.KEY_ODOMETER, new FloatReader().readFloat(buf));
}
- if (checkBit(flags, 1)) {
+ if (BitUtil.check(flags, 1)) {
new FloatReader().readFloat(buf); // fuel consumtion
position.set("hours", new FloatReader().readFloat(buf));
position.set("tank", buf.readUnsignedByte() * 0.4);
}
- if (checkBit(flags, 2)) {
+ if (BitUtil.check(flags, 2)) {
position.set("engine", buf.readUnsignedShort() * 0.125);
position.set("pedals", buf.readUnsignedByte());
position.set(Event.PREFIX_TEMP + 1, buf.readUnsignedByte() - 40);
buf.readUnsignedShort(); // service odometer
}
- if (checkBit(flags, 3)) {
+ if (BitUtil.check(flags, 3)) {
position.set(Event.KEY_FUEL, buf.readUnsignedShort());
position.set(Event.PREFIX_ADC + 2, buf.readUnsignedShort());
position.set(Event.PREFIX_ADC + 3, buf.readUnsignedShort());
position.set(Event.PREFIX_ADC + 4, buf.readUnsignedShort());
}
- if (checkBit(flags, 4)) {
+ if (BitUtil.check(flags, 4)) {
position.set(Event.PREFIX_TEMP + 1, buf.readByte());
buf.getUnsignedByte(buf.readerIndex()); // control (>> 4)
position.set(Event.KEY_INPUT, buf.readUnsignedShort() & 0x0fff);
buf.readUnsignedShort(); // old sensor state (& 0x0fff)
}
- if (checkBit(flags, 5)) {
+ if (BitUtil.check(flags, 5)) {
position.set(Event.KEY_BATTERY, buf.getUnsignedByte(buf.readerIndex()) >> 2);
position.set(Event.KEY_POWER, buf.readUnsignedShort() & 0x03ff);
buf.readByte(); // microcontroller temperature