From b574e5398a1dd4b4bd17b4b6d3023331dbf43882 Mon Sep 17 00:00:00 2001 From: Anton Tananaev Date: Tue, 19 Apr 2022 20:48:08 -0700 Subject: Support VXT-01 protocol --- .../org/traccar/protocol/Gt06ProtocolDecoder.java | 117 ++++++++++++++------- 1 file changed, 77 insertions(+), 40 deletions(-) (limited to 'src/main/java/org/traccar') diff --git a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java index 4d3448e84..feacc1ae8 100644 --- a/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java +++ b/src/main/java/org/traccar/protocol/Gt06ProtocolDecoder.java @@ -113,6 +113,13 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder { public static final int MSG_MULTIMEDIA_2 = 0x41; public static final int MSG_ALARM = 0x95; + private enum Variant { + VXT01, + STANDARD, + } + + private Variant variant; + private static boolean isSupported(int type) { return hasGps(type) || hasLbs(type) || hasStatus(type); } @@ -333,8 +340,15 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder { case 4: position.set(Position.KEY_ALARM, Position.ALARM_SOS); break; + case 6: + position.set(Position.KEY_ALARM, Position.ALARM_GEOFENCE); + break; case 7: - position.set(Position.KEY_ALARM, Position.ALARM_REMOVING); + if (variant == Variant.VXT01) { + position.set(Position.KEY_ALARM, Position.ALARM_OVERSPEED); + } else { + position.set(Position.KEY_ALARM, Position.ALARM_REMOVING); + } break; default: break; @@ -346,7 +360,6 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder { position.set(Position.KEY_POWER, buf.readUnsignedShort() * 0.01); } position.set(Position.KEY_RSSI, buf.readUnsignedByte()); - position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte())); return true; } @@ -445,7 +458,7 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder { return position; } - private Object decodeBasic(Channel channel, SocketAddress remoteAddress, ByteBuf buf) throws Exception { + private Object decodeBasic(Channel channel, SocketAddress remoteAddress, ByteBuf buf) { int length = buf.readUnsignedByte(); int dataLength = length - 5; @@ -903,44 +916,47 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder { if (hasStatus(type)) { decodeStatus(position, buf, true); + position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte())); } - if (type == MSG_GPS_LBS_1 && buf.readableBytes() > 75 + 6) { - position.set(Position.KEY_ODOMETER, buf.readUnsignedInt()); - String data = buf.readCharSequence(buf.readUnsignedByte(), StandardCharsets.US_ASCII).toString(); - buf.readUnsignedByte(); // alarm - buf.readUnsignedByte(); // swiped - position.set("driverLicense", data.trim()); - } - - if (type == MSG_GPS_LBS_1 && buf.readableBytes() == 18) { - decodeStatus(position, buf, false); - position.set("oil", buf.readUnsignedShort()); - int temperature = buf.readUnsignedByte(); - if (BitUtil.check(temperature, 7)) { - temperature = -BitUtil.to(temperature, 7); - } - position.set(Position.PREFIX_TEMP + 1, temperature); - position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 10); - } - - if (type == MSG_GPS_LBS_1 && buf.readableBytes() == 2 + 6) { - int mask = buf.readUnsignedShort(); - position.set(Position.KEY_IGNITION, BitUtil.check(mask, 8 + 7)); - position.set(Position.PREFIX_IN + 2, BitUtil.check(mask, 8 + 6)); - if (BitUtil.check(mask, 8 + 4)) { - int value = BitUtil.to(mask, 8 + 1); - if (BitUtil.check(mask, 8 + 1)) { - value = -value; - } - position.set(Position.PREFIX_TEMP + 1, value); - } else { - int value = BitUtil.to(mask, 8 + 2); - if (BitUtil.check(mask, 8 + 5)) { - position.set(Position.PREFIX_ADC + 1, value); + if (type == MSG_GPS_LBS_1) { + if (buf.readableBytes() > 75 + 6) { + position.set(Position.KEY_ODOMETER, buf.readUnsignedInt()); + String data = buf.readCharSequence(buf.readUnsignedByte(), StandardCharsets.US_ASCII).toString(); + buf.readUnsignedByte(); // alarm + buf.readUnsignedByte(); // swiped + position.set("driverLicense", data.trim()); + } else if (buf.readableBytes() == 8) { + int mask = buf.readUnsignedShort(); + position.set(Position.KEY_IGNITION, BitUtil.check(mask, 8 + 7)); + position.set(Position.PREFIX_IN + 2, BitUtil.check(mask, 8 + 6)); + if (BitUtil.check(mask, 8 + 4)) { + int value = BitUtil.to(mask, 8 + 1); + if (BitUtil.check(mask, 8 + 1)) { + value = -value; + } + position.set(Position.PREFIX_TEMP + 1, value); } else { - position.set(Position.PREFIX_ADC + 1, value * 0.1); + int value = BitUtil.to(mask, 8 + 2); + if (BitUtil.check(mask, 8 + 5)) { + position.set(Position.PREFIX_ADC + 1, value); + } else { + position.set(Position.PREFIX_ADC + 1, value * 0.1); + } } + } else if (buf.readableBytes() == 11) { + decodeStatus(position, buf, false); + buf.readUnsignedByte(); // alarm extension + } else if (buf.readableBytes() == 18) { + decodeStatus(position, buf, false); + position.set(Position.KEY_ALARM, decodeAlarm(buf.readUnsignedByte())); + position.set("oil", buf.readUnsignedShort()); + int temperature = buf.readUnsignedByte(); + if (BitUtil.check(temperature, 7)) { + temperature = -BitUtil.to(temperature, 7); + } + position.set(Position.PREFIX_TEMP + 1, temperature); + position.set(Position.KEY_ODOMETER, buf.readUnsignedInt() * 10); } } @@ -1354,21 +1370,42 @@ public class Gt06ProtocolDecoder extends BaseProtocolDecoder { return null; } + private void decodeVariant(ByteBuf buf) { + int header = buf.getUnsignedShort(buf.readerIndex()); + int length; + int type; + if (header == 0x7878) { + length = buf.getUnsignedByte(buf.readerIndex() + 2); + type = buf.getUnsignedByte(buf.readerIndex() + 2 + 1); + } else { + length = buf.getUnsignedShort(buf.readerIndex() + 2); + type = buf.getUnsignedByte(buf.readerIndex() + 2 + 2); + } + + if (header == 0x7878 && type == MSG_GPS_LBS_1 && length == 0x24) { + variant = Variant.VXT01; + } else if (header == 0x7878 && type == MSG_GPS_LBS_STATUS_1 && length == 0x24) { + variant = Variant.VXT01; + } else { + variant = Variant.STANDARD; + } + } + @Override protected Object decode( Channel channel, SocketAddress remoteAddress, Object msg) throws Exception { ByteBuf buf = (ByteBuf) msg; + decodeVariant(buf); + int header = buf.readShort(); if (header == 0x7878) { return decodeBasic(channel, remoteAddress, buf); - } else if (header == 0x7979) { + } else { return decodeExtended(channel, remoteAddress, buf); } - - return null; } } -- cgit v1.2.3