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authorAnton Tananaev <anton.tananaev@gmail.com>2015-06-28 10:28:58 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2015-06-28 10:28:58 +1200
commit8ee694af98493830380e5faf96d43752002ca634 (patch)
tree0fd6be2954a2b9ad1976f7bba2461a86ca7c81b1 /src/org/traccar/protocol/TeltonikaProtocolDecoder.java
parentea0a523ef676310526055b1ae381387868afd738 (diff)
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Implement bit utility class
Diffstat (limited to 'src/org/traccar/protocol/TeltonikaProtocolDecoder.java')
-rw-r--r--src/org/traccar/protocol/TeltonikaProtocolDecoder.java32
1 files changed, 13 insertions, 19 deletions
diff --git a/src/org/traccar/protocol/TeltonikaProtocolDecoder.java b/src/org/traccar/protocol/TeltonikaProtocolDecoder.java
index d3e946f69..792a64b79 100644
--- a/src/org/traccar/protocol/TeltonikaProtocolDecoder.java
+++ b/src/org/traccar/protocol/TeltonikaProtocolDecoder.java
@@ -19,13 +19,12 @@ import java.nio.charset.Charset;
import java.util.Date;
import java.util.LinkedList;
import java.util.List;
-
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.buffer.ChannelBuffers;
import org.jboss.netty.channel.Channel;
import org.jboss.netty.channel.ChannelHandlerContext;
-
import org.traccar.BaseProtocolDecoder;
+import org.traccar.helper.BitUtil;
import org.traccar.helper.UnitsConverter;
import org.traccar.model.Event;
import org.traccar.model.Position;
@@ -49,11 +48,6 @@ public class TeltonikaProtocolDecoder extends BaseProtocolDecoder {
}
}
- 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 static final int CODEC_12 = 0x0C;
@@ -87,45 +81,45 @@ public class TeltonikaProtocolDecoder extends BaseProtocolDecoder {
position.setTime(new Date(time * 1000));
globalMask = buf.readUnsignedByte();
- if (!checkBit(globalMask, 0)) {
+ if (!BitUtil.check(globalMask, 0)) {
return null;
}
int locationMask = buf.readUnsignedByte();
- if (checkBit(locationMask, 0)) {
+ if (BitUtil.check(locationMask, 0)) {
position.setLatitude(buf.readFloat());
position.setLongitude(buf.readFloat());
}
- if (checkBit(locationMask, 1)) {
+ if (BitUtil.check(locationMask, 1)) {
position.setAltitude(buf.readUnsignedShort());
}
- if (checkBit(locationMask, 2)) {
+ if (BitUtil.check(locationMask, 2)) {
position.setCourse(buf.readUnsignedByte() * 360.0 / 256);
}
- if (checkBit(locationMask, 3)) {
+ if (BitUtil.check(locationMask, 3)) {
position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
}
- if (checkBit(locationMask, 4)) {
+ if (BitUtil.check(locationMask, 4)) {
int satellites = buf.readUnsignedByte();
position.set(Event.KEY_SATELLITES, satellites);
position.setValid(satellites >= 3);
}
- if (checkBit(locationMask, 5)) {
+ if (BitUtil.check(locationMask, 5)) {
position.set("area", buf.readUnsignedShort());
position.set(Event.KEY_CELL, buf.readUnsignedShort());
}
- if (checkBit(locationMask, 6)) {
+ if (BitUtil.check(locationMask, 6)) {
position.set(Event.KEY_GSM, buf.readUnsignedByte());
}
- if (checkBit(locationMask, 7)) {
+ if (BitUtil.check(locationMask, 7)) {
position.set("operator", buf.readUnsignedInt());
}
@@ -154,7 +148,7 @@ public class TeltonikaProtocolDecoder extends BaseProtocolDecoder {
}
// Read 1 byte data
- if (checkBit(globalMask, 1)) {
+ if (BitUtil.check(globalMask, 1)) {
int cnt = buf.readUnsignedByte();
for (int j = 0; j < cnt; j++) {
int id = buf.readUnsignedByte();
@@ -168,7 +162,7 @@ public class TeltonikaProtocolDecoder extends BaseProtocolDecoder {
// Read 2 byte data
- if (checkBit(globalMask, 2)) {
+ if (BitUtil.check(globalMask, 2)) {
int cnt = buf.readUnsignedByte();
for (int j = 0; j < cnt; j++) {
position.set(Event.PREFIX_IO + buf.readUnsignedByte(), buf.readUnsignedShort());
@@ -176,7 +170,7 @@ public class TeltonikaProtocolDecoder extends BaseProtocolDecoder {
}
// Read 4 byte data
- if (checkBit(globalMask, 3)) {
+ if (BitUtil.check(globalMask, 3)) {
int cnt = buf.readUnsignedByte();
for (int j = 0; j < cnt; j++) {
position.set(Event.PREFIX_IO + buf.readUnsignedByte(), buf.readUnsignedInt());