Example usage for io.netty.buffer ByteBuf readUnsignedInt

List of usage examples for io.netty.buffer ByteBuf readUnsignedInt

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Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf readUnsignedInt.

Prototype

public abstract long readUnsignedInt();

Source Link

Document

Gets an unsigned 32-bit integer at the current readerIndex and increases the readerIndex by 4 in this buffer.

Usage

From source file:org.opendaylight.protocol.rsvp.parser.spi.subobjects.CommonUnnumberedInterfaceSubobjectParser.java

License:Open Source License

protected final UnnumberedCase parseUnnumeredInterface(final ByteBuf buffer) {
    final UnnumberedBuilder ubuilder = new UnnumberedBuilder();
    ubuilder.setRouterId(buffer.readUnsignedInt());
    ubuilder.setInterfaceId(buffer.readUnsignedInt());
    return new UnnumberedCaseBuilder().setUnnumbered(ubuilder.build()).build();
}

From source file:org.traccar.protocol.AplicomProtocolDecoder.java

License:Apache License

private void decodeEventData(Position position, ByteBuf buf, int event) {
    switch (event) {
    case 2:/*from w  ww.  j  a v a 2 s. c  o m*/
    case 40:
        buf.readUnsignedByte();
        break;
    case 9:
        buf.readUnsignedMedium();
        break;
    case 31:
    case 32:
        buf.readUnsignedShort();
        break;
    case 38:
        buf.skipBytes(4 * 9);
        break;
    case 113:
        buf.readUnsignedInt();
        buf.readUnsignedByte();
        break;
    case 119:
        position.set("eventData",
                ByteBufUtil.hexDump(buf, buf.readerIndex(), Math.min(buf.readableBytes(), 1024)));
        break;
    case 121:
    case 142:
        buf.readLong();
        break;
    case 130:
        buf.readUnsignedInt(); // incorrect
        break;
    case 188:
        decodeEB(position, buf);
        break;
    default:
        break;
    }
}

From source file:org.traccar.protocol.AplicomProtocolDecoder.java

License:Apache License

private void decodeCanData(ByteBuf buf, Position position) {

    buf.readUnsignedMedium(); // packet identifier
    position.set(Position.KEY_VERSION_FW, buf.readUnsignedByte());
    int count = buf.readUnsignedByte();
    buf.readUnsignedByte(); // batch count
    buf.readUnsignedShort(); // selector bit
    buf.readUnsignedInt(); // timestamp

    buf.skipBytes(8);/*w w w  . ja  v  a  2 s  . c om*/

    ArrayList<ByteBuf> values = new ArrayList<>(count);

    for (int i = 0; i < count; i++) {
        values.add(buf.readSlice(8));
    }

    for (int i = 0; i < count; i++) {
        ByteBuf value = values.get(i);
        switch (buf.readInt()) {
        case 0x20D:
            position.set(Position.KEY_RPM, value.readShortLE());
            position.set("dieselTemperature", value.readShortLE() * 0.1);
            position.set("batteryVoltage", value.readShortLE() * 0.01);
            position.set("supplyAirTempDep1", value.readShortLE() * 0.1);
            break;
        case 0x30D:
            position.set("activeAlarm", ByteBufUtil.hexDump(value));
            break;
        case 0x40C:
            position.set("airTempDep1", value.readShortLE() * 0.1);
            position.set("airTempDep2", value.readShortLE() * 0.1);
            break;
        case 0x40D:
            position.set("coldUnitState", ByteBufUtil.hexDump(value));
            break;
        case 0x50C:
            position.set("defrostTempDep1", value.readShortLE() * 0.1);
            position.set("defrostTempDep2", value.readShortLE() * 0.1);
            break;
        case 0x50D:
            position.set("condenserPressure", value.readShortLE() * 0.1);
            position.set("suctionPressure", value.readShortLE() * 0.1);
            break;
        case 0x58C:
            value.readByte();
            value.readShort(); // index
            switch (value.readByte()) {
            case 0x01:
                position.set("setpointZone1", value.readIntLE() * 0.1);
                break;
            case 0x02:
                position.set("setpointZone2", value.readIntLE() * 0.1);
                break;
            case 0x05:
                position.set("unitType", value.readIntLE());
                break;
            case 0x13:
                position.set("dieselHours", value.readIntLE() / 60 / 60);
                break;
            case 0x14:
                position.set("electricHours", value.readIntLE() / 60 / 60);
                break;
            case 0x17:
                position.set("serviceIndicator", value.readIntLE());
                break;
            case 0x18:
                position.set("softwareVersion", value.readIntLE() * 0.01);
                break;
            default:
                break;
            }
            break;
        default:
            LOGGER.warn("Aplicom CAN decoding error", new UnsupportedOperationException());
            break;
        }
    }
}

From source file:org.traccar.protocol.AplicomProtocolDecoder.java

License:Apache License

private void decodeD(Position position, ByteBuf buf, int selector, int event) {

    if ((selector & 0x0008) != 0) {
        position.setValid((buf.readUnsignedByte() & 0x40) != 0);
    } else {/*from  w w w  . j av  a  2  s .c o m*/
        getLastLocation(position, null);
    }

    if ((selector & 0x0004) != 0) {
        position.setDeviceTime(new Date(buf.readUnsignedInt() * 1000));
    }

    if ((selector & 0x0008) != 0) {
        position.setFixTime(new Date(buf.readUnsignedInt() * 1000));
        if (position.getDeviceTime() == null) {
            position.setDeviceTime(position.getFixTime());
        }
        position.setLatitude(buf.readInt() / 1000000.0);
        position.setLongitude(buf.readInt() / 1000000.0);
        position.set(Position.KEY_SATELLITES_VISIBLE, buf.readUnsignedByte());
    }

    if ((selector & 0x0010) != 0) {
        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte()));
        position.set("maximumSpeed", buf.readUnsignedByte());
        position.setCourse(buf.readUnsignedByte() * 2.0);
    }

    if ((selector & 0x0040) != 0) {
        position.set(Position.KEY_INPUT, buf.readUnsignedByte());
    }

    if ((selector & 0x0020) != 0) {
        position.set(Position.PREFIX_ADC + 1, buf.readUnsignedShort());
        position.set(Position.PREFIX_ADC + 2, buf.readUnsignedShort());
        position.set(Position.PREFIX_ADC + 3, buf.readUnsignedShort());
        position.set(Position.PREFIX_ADC + 4, buf.readUnsignedShort());
    }

    if ((selector & 0x8000) != 0) {
        position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.001);
        position.set(Position.KEY_BATTERY, buf.readUnsignedShort() * 0.001);
    }

    // Pulse rate 1
    if ((selector & 0x10000) != 0) {
        buf.readUnsignedShort();
        buf.readUnsignedInt();
    }

    // Pulse rate 2
    if ((selector & 0x20000) != 0) {
        buf.readUnsignedShort();
        buf.readUnsignedInt();
    }

    if ((selector & 0x0080) != 0) {
        position.set("trip1", buf.readUnsignedInt());
    }

    if ((selector & 0x0100) != 0) {
        position.set("trip2", buf.readUnsignedInt());
    }

    if ((selector & 0x0040) != 0) {
        position.set(Position.KEY_OUTPUT, buf.readUnsignedByte());
    }

    if ((selector & 0x0200) != 0) {
        position.set(Position.KEY_DRIVER_UNIQUE_ID,
                String.valueOf(((long) buf.readUnsignedShort()) << 32) + buf.readUnsignedInt());
    }

    if ((selector & 0x0400) != 0) {
        buf.readUnsignedByte(); // Keypad
    }

    if ((selector & 0x0800) != 0) {
        position.setAltitude(buf.readShort());
    }

    if ((selector & 0x2000) != 0) {
        buf.readUnsignedShort(); // snapshot counter
    }

    if ((selector & 0x4000) != 0) {
        buf.skipBytes(8); // state flags
    }

    if ((selector & 0x80000) != 0) {
        buf.skipBytes(11); // cell info
    }

    if ((selector & 0x1000) != 0) {
        decodeEventData(position, buf, event);
    }

    if (Context.getConfig().getBoolean(getProtocolName() + ".can") && buf.isReadable()
            && (selector & 0x1000) != 0 && event == EVENT_DATA) {
        decodeCanData(buf, position);
    }
}

From source file:org.traccar.protocol.AplicomProtocolDecoder.java

License:Apache License

private void decodeE(Position position, ByteBuf buf, int selector) {

    if ((selector & 0x0008) != 0) {
        position.set("tachographEvent", buf.readUnsignedShort());
    }//w  ww.j av a  2  s .c  o m

    if ((selector & 0x0004) != 0) {
        getLastLocation(position, new Date(buf.readUnsignedInt() * 1000));
    } else {
        getLastLocation(position, null);
    }

    if ((selector & 0x0010) != 0) {
        String time = buf.readUnsignedByte() + "s " + buf.readUnsignedByte() + "m " + buf.readUnsignedByte()
                + "h " + buf.readUnsignedByte() + "M " + buf.readUnsignedByte() + "D " + buf.readUnsignedByte()
                + "Y " + buf.readByte() + "m " + buf.readByte() + "h";
        position.set("tachographTime", time);
    }

    position.set("workState", buf.readUnsignedByte());
    position.set("driver1State", buf.readUnsignedByte());
    position.set("driver2State", buf.readUnsignedByte());

    if ((selector & 0x0020) != 0) {
        position.set("tachographStatus", buf.readUnsignedByte());
    }

    if ((selector & 0x0040) != 0) {
        position.set(Position.KEY_OBD_SPEED, buf.readUnsignedShort() / 256.0);
    }

    if ((selector & 0x0080) != 0) {
        position.set(Position.KEY_OBD_ODOMETER, buf.readUnsignedInt() * 5);
    }

    if ((selector & 0x0100) != 0) {
        position.set(Position.KEY_ODOMETER_TRIP, buf.readUnsignedInt() * 5);
    }

    if ((selector & 0x8000) != 0) {
        position.set("kFactor", buf.readUnsignedShort() * 0.001 + " pulses/m");
    }

    if ((selector & 0x0200) != 0) {
        position.set(Position.KEY_RPM, buf.readUnsignedShort() * 0.125);
    }

    if ((selector & 0x0400) != 0) {
        position.set("extraInfo", buf.readUnsignedShort());
    }

    if ((selector & 0x0800) != 0) {
        position.set(Position.KEY_VIN, buf.readSlice(18).toString(StandardCharsets.US_ASCII).trim());
    }

    if ((selector & 0x2000) != 0) {
        buf.readUnsignedByte(); // card 1 type
        buf.readUnsignedByte(); // card 1 country code
        String card = buf.readSlice(20).toString(StandardCharsets.US_ASCII).trim();
        if (!card.isEmpty()) {
            position.set("card1", card);
        }
    }

    if ((selector & 0x4000) != 0) {
        buf.readUnsignedByte(); // card 2 type
        buf.readUnsignedByte(); // card 2 country code
        String card = buf.readSlice(20).toString(StandardCharsets.US_ASCII).trim();
        if (!card.isEmpty()) {
            position.set("card2", card);
        }
    }

    if ((selector & 0x10000) != 0) {
        int count = buf.readUnsignedByte();
        for (int i = 1; i <= count; i++) {
            position.set("driver" + i, buf.readSlice(22).toString(StandardCharsets.US_ASCII).trim());
            position.set("driverTime" + i, buf.readUnsignedInt());
        }
    }
}

From source file:org.traccar.protocol.AplicomProtocolDecoder.java

License:Apache License

private void decodeH(Position position, ByteBuf buf, int selector) {

    if ((selector & 0x0004) != 0) {
        getLastLocation(position, new Date(buf.readUnsignedInt() * 1000));
    } else {//from ww w .  j a va 2 s  . c  o  m
        getLastLocation(position, null);
    }

    if ((selector & 0x0040) != 0) {
        buf.readUnsignedInt(); // reset time
    }

    if ((selector & 0x2000) != 0) {
        buf.readUnsignedShort(); // snapshot counter
    }

    int index = 1;
    while (buf.readableBytes() > 0) {

        position.set("h" + index + "Index", buf.readUnsignedByte());

        buf.readUnsignedShort(); // length

        int n = buf.readUnsignedByte();
        int m = buf.readUnsignedByte();

        position.set("h" + index + "XLength", n);
        position.set("h" + index + "YLength", m);

        if ((selector & 0x0008) != 0) {
            position.set("h" + index + "XType", buf.readUnsignedByte());
            position.set("h" + index + "YType", buf.readUnsignedByte());
            position.set("h" + index + "Parameters", buf.readUnsignedByte());
        }

        boolean percentageFormat = (selector & 0x0020) != 0;

        StringBuilder data = new StringBuilder();
        for (int i = 0; i < n * m; i++) {
            if (percentageFormat) {
                data.append(buf.readUnsignedByte() * 0.5).append("%").append(" ");
            } else {
                data.append(buf.readUnsignedShort()).append(" ");
            }
        }

        position.set("h" + index + "Data", data.toString().trim());

        position.set("h" + index + "Total", buf.readUnsignedInt());

        if ((selector & 0x0010) != 0) {
            int k = buf.readUnsignedByte();

            data = new StringBuilder();
            for (int i = 1; i < n; i++) {
                if (k == 1) {
                    data.append(buf.readByte()).append(" ");
                } else if (k == 2) {
                    data.append(buf.readShort()).append(" ");
                }
            }
            position.set("h" + index + "XLimits", data.toString().trim());

            data = new StringBuilder();
            for (int i = 1; i < m; i++) {
                if (k == 1) {
                    data.append(buf.readByte()).append(" ");
                } else if (k == 2) {
                    data.append(buf.readShort()).append(" ");
                }
            }
            position.set("h" + index + "YLimits", data.toString().trim());
        }

        index += 1;
    }
}

From source file:org.traccar.protocol.AplicomProtocolDecoder.java

License:Apache License

private void decodeEB(Position position, ByteBuf buf) {

    if (buf.readByte() != (byte) 'E' || buf.readByte() != (byte) 'B') {
        return;/*w w w  . j a  va 2  s  . c o  m*/
    }

    position.set(Position.KEY_VERSION_FW, buf.readUnsignedByte());
    position.set(Position.KEY_EVENT, buf.readUnsignedShort());
    position.set("dataValidity", buf.readUnsignedByte());
    position.set("towed", buf.readUnsignedByte());
    buf.readUnsignedShort(); // length

    while (buf.readableBytes() > 0) {
        buf.readUnsignedByte(); // towed position
        int type = buf.readUnsignedByte();
        int length = buf.readUnsignedByte();
        int end = buf.readerIndex() + length;

        switch (type) {
        case 0x01:
            position.set("brakeFlags", ByteBufUtil.hexDump(buf.readSlice(length)));
            break;
        case 0x02:
            position.set("wheelSpeed", buf.readUnsignedShort() / 256.0);
            position.set("wheelSpeedDifference", buf.readUnsignedShort() / 256.0 - 125.0);
            position.set("lateralAcceleration", buf.readUnsignedByte() / 10.0 - 12.5);
            position.set("vehicleSpeed", buf.readUnsignedShort() / 256.0);
            break;
        case 0x03:
            position.set(Position.KEY_AXLE_WEIGHT, buf.readUnsignedShort() * 2);
            break;
        case 0x04:
            position.set("tyrePressure", buf.readUnsignedByte() * 10);
            position.set("pneumaticPressure", buf.readUnsignedByte() * 5);
            break;
        case 0x05:
            position.set("brakeLining", buf.readUnsignedByte() * 0.4);
            position.set("brakeTemperature", buf.readUnsignedByte() * 10);
            break;
        case 0x06:
            position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 5L);
            position.set(Position.KEY_ODOMETER_TRIP, buf.readUnsignedInt() * 5L);
            position.set(Position.KEY_ODOMETER_SERVICE, (buf.readUnsignedInt() - 2105540607) * 5L);
            break;
        case 0x0A:
            position.set("absStatusCounter", buf.readUnsignedShort());
            position.set("atvbStatusCounter", buf.readUnsignedShort());
            position.set("vdcActiveCounter", buf.readUnsignedShort());
            break;
        case 0x0B:
            position.set("brakeMinMaxData", ByteBufUtil.hexDump(buf.readSlice(length)));
            break;
        case 0x0C:
            position.set("missingPgn", ByteBufUtil.hexDump(buf.readSlice(length)));
            break;
        case 0x0D:
            buf.readUnsignedByte();
            position.set("towedDetectionStatus", buf.readUnsignedInt());
            buf.skipBytes(17); // vin
            break;
        case 0x0E:
        default:
            break;
        }

        buf.readerIndex(end);
    }
}

From source file:org.traccar.protocol.AplicomProtocolDecoder.java

License:Apache License

private void decodeF(Position position, ByteBuf buf, int selector) {

    Date deviceTime = null;/*w ww  . j a v  a2s.  co m*/

    if ((selector & 0x0004) != 0) {
        deviceTime = new Date(buf.readUnsignedInt() * 1000);
    }

    getLastLocation(position, deviceTime);

    buf.readUnsignedByte(); // data validity

    if ((selector & 0x0008) != 0) {
        position.set(Position.KEY_RPM, buf.readUnsignedShort());
        position.set("rpmMax", buf.readUnsignedShort());
        position.set("rpmMin", buf.readUnsignedShort());
    }

    if ((selector & 0x0010) != 0) {
        position.set("engineTemp", buf.readShort());
        position.set("engineTempMax", buf.readShort());
        position.set("engineTempMin", buf.readShort());
    }

    if ((selector & 0x0020) != 0) {
        position.set(Position.KEY_HOURS, UnitsConverter.msFromHours(buf.readUnsignedInt()));
        position.set("serviceDistance", buf.readInt());
        position.set("driverActivity", buf.readUnsignedByte());
        position.set(Position.KEY_THROTTLE, buf.readUnsignedByte());
        position.set(Position.KEY_FUEL_LEVEL, buf.readUnsignedByte());
    }

    if ((selector & 0x0040) != 0) {
        position.set(Position.KEY_FUEL_USED, buf.readUnsignedInt());
    }

    if ((selector & 0x0080) != 0) {
        position.set(Position.KEY_ODOMETER, buf.readUnsignedInt());
    }

    if ((selector & 0x0100) != 0) {
        position.set(Position.KEY_OBD_SPEED, buf.readUnsignedByte());
        position.set("speedMax", buf.readUnsignedByte());
        position.set("speedMin", buf.readUnsignedByte());
        position.set("hardBraking", buf.readUnsignedByte());
    }

    if ((selector & 0x0200) != 0) {
        position.set("tachographSpeed", buf.readUnsignedByte());
        position.set("driver1State", buf.readUnsignedByte());
        position.set("driver2State", buf.readUnsignedByte());
        position.set("tachographStatus", buf.readUnsignedByte());
        position.set("overspeedCount", buf.readUnsignedByte());
    }

    if ((selector & 0x0800) != 0) {
        position.set(Position.KEY_HOURS, buf.readUnsignedInt() * 0.05);
        position.set(Position.KEY_RPM, buf.readUnsignedShort() * 0.125);
        position.set(Position.KEY_OBD_SPEED, buf.readUnsignedShort() / 256.0);
        position.set(Position.KEY_FUEL_USED, buf.readUnsignedInt() * 0.5);
        position.set(Position.KEY_FUEL_LEVEL, buf.readUnsignedByte() * 0.4);
    }

    if ((selector & 0x1000) != 0) {
        position.set("ambientTemperature", buf.readUnsignedShort() * 0.03125 - 273);
        buf.readUnsignedShort(); // fuel rate
        position.set("fuelEconomy", buf.readUnsignedShort() / 512.0);
        position.set(Position.KEY_FUEL_CONSUMPTION, buf.readUnsignedInt() * 0.001);
        buf.readUnsignedByte(); // pto drive engagement
    }

    if ((selector & 0x2000) != 0) {
        buf.skipBytes(buf.readUnsignedByte()); // driver identification
    }

    if ((selector & 0x4000) != 0) {
        position.set("torque", buf.readUnsignedByte());
        position.set("brakePressure1", buf.readUnsignedByte() * 8);
        position.set("brakePressure2", buf.readUnsignedByte() * 8);
        position.set("grossWeight", buf.readUnsignedShort() * 10);
        position.set("exhaustFluid", buf.readUnsignedByte() * 0.4);
        buf.readUnsignedByte(); // retarder torque mode
        position.set("retarderTorque", buf.readUnsignedByte());
        position.set("retarderSelection", buf.readUnsignedByte() * 0.4);
        buf.skipBytes(8); // tell tale status block 1
        buf.skipBytes(8); // tell tale status block 2
        buf.skipBytes(8); // tell tale status block 3
        buf.skipBytes(8); // tell tale status block 4
    }

    if ((selector & 0x8000) != 0) {
        position.set("parkingBrakeStatus", buf.readUnsignedByte());
        position.set("doorStatus", buf.readUnsignedByte());
        buf.skipBytes(8); // status per door
        position.set("alternatorStatus", buf.readUnsignedByte());
        position.set("selectedGear", buf.readUnsignedByte());
        position.set("currentGear", buf.readUnsignedByte());
        buf.skipBytes(4 * 2); // air suspension pressure
    }

    if ((selector & 0x0400) != 0) {
        int count = buf.readUnsignedByte();
        for (int i = 0; i < count; i++) {
            position.set("axle" + i, buf.readUnsignedShort());
        }
    }

}

From source file:org.traccar.protocol.AplicomProtocolDecoder.java

License:Apache License

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

    ByteBuf buf = (ByteBuf) msg;

    char protocol = (char) buf.readByte();
    int version = buf.readUnsignedByte();

    String imei;/*from w  w  w  .j  av a  2 s.co  m*/
    if ((version & 0x80) != 0) {
        imei = String.valueOf((buf.readUnsignedInt() << (3 * 8)) | buf.readUnsignedMedium());
    } else {
        imei = String.valueOf(imeiFromUnitId(buf.readUnsignedMedium()));
    }

    buf.readUnsignedShort(); // length

    int selector = DEFAULT_SELECTOR_D;
    if (protocol == 'E') {
        selector = DEFAULT_SELECTOR_E;
    } else if (protocol == 'F') {
        selector = DEFAULT_SELECTOR_F;
    }
    if ((version & 0x40) != 0) {
        selector = buf.readUnsignedMedium();
    }

    Position position = new Position(getProtocolName());
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
    if (deviceSession == null) {
        return null;
    }
    position.setDeviceId(deviceSession.getDeviceId());

    int event = buf.readUnsignedByte();
    position.set(Position.KEY_EVENT, event);
    position.set("eventInfo", buf.readUnsignedByte());

    if (protocol == 'D') {
        decodeD(position, buf, selector, event);
    } else if (protocol == 'E') {
        decodeE(position, buf, selector);
    } else if (protocol == 'H') {
        decodeH(position, buf, selector);
    } else if (protocol == 'F') {
        decodeF(position, buf, selector);
    } else {
        return null;
    }

    return position;
}

From source file:org.traccar.protocol.AstraProtocolDecoder.java

License:Apache License

@Override
protected Object decode(Channel channel, SocketAddress remoteAddress, Object msg) throws Exception {

    ByteBuf buf = (ByteBuf) msg;

    if (channel != null) {
        channel.writeAndFlush(new NetworkMessage(Unpooled.wrappedBuffer(new byte[] { 0x06 }), remoteAddress));
    }/*  w  w w  .  j  a  v a 2 s  .com*/

    buf.readUnsignedByte(); // protocol
    buf.readUnsignedShort(); // length

    String imei = String.format("%08d", buf.readUnsignedInt())
            + String.format("%07d", buf.readUnsignedMedium());
    DeviceSession deviceSession = getDeviceSession(channel, remoteAddress, imei);
    if (deviceSession == null) {
        return null;
    }

    List<Position> positions = new LinkedList<>();

    while (buf.readableBytes() > 2) {

        Position position = new Position(getProtocolName());
        position.setDeviceId(deviceSession.getDeviceId());

        buf.readUnsignedByte(); // index

        position.setValid(true);
        position.setLatitude(buf.readInt() * 0.000001);
        position.setLongitude(buf.readInt() * 0.000001);

        DateBuilder dateBuilder = new DateBuilder().setDate(1980, 1, 6)
                .addMillis(buf.readUnsignedInt() * 1000L);
        position.setTime(dateBuilder.getDate());

        position.setSpeed(UnitsConverter.knotsFromKph(buf.readUnsignedByte() * 2));
        position.setCourse(buf.readUnsignedByte() * 2);

        int reason = buf.readUnsignedMedium();
        position.set(Position.KEY_EVENT, reason);

        int status = buf.readUnsignedShort();
        position.set(Position.KEY_STATUS, status);

        position.set(Position.PREFIX_IO + 1, buf.readUnsignedByte());
        position.set(Position.PREFIX_ADC + 1, buf.readUnsignedByte());
        position.set(Position.KEY_BATTERY, buf.readUnsignedByte());
        position.set(Position.KEY_POWER, buf.readUnsignedByte());

        buf.readUnsignedByte(); // max journey speed
        buf.skipBytes(6); // accelerometer
        position.set(Position.KEY_ODOMETER_TRIP, buf.readUnsignedShort());
        buf.readUnsignedShort(); // journey idle time

        position.setAltitude(buf.readUnsignedByte() * 20);

        int quality = buf.readUnsignedByte();
        position.set(Position.KEY_SATELLITES, quality & 0xf);
        position.set(Position.KEY_RSSI, quality >> 4);

        buf.readUnsignedByte(); // geofence events

        if (BitUtil.check(status, 8)) {
            position.set(Position.KEY_DRIVER_UNIQUE_ID, buf.readSlice(7).toString(StandardCharsets.US_ASCII));
            position.set(Position.KEY_ODOMETER, buf.readUnsignedMedium() * 1000);
            position.set(Position.KEY_HOURS, UnitsConverter.msFromHours(buf.readUnsignedShort()));
        }

        if (BitUtil.check(status, 6)) {
            LOGGER.warn("Extension data is not supported");
            return position;
        }

        positions.add(position);

    }

    return positions;
}