diff options
Diffstat (limited to 'src/org/traccar')
| -rw-r--r-- | src/org/traccar/helper/ObdDecoder.java | 23 | ||||
| -rw-r--r-- | src/org/traccar/protocol/CastelProtocolDecoder.java | 130 |
2 files changed, 123 insertions, 30 deletions
diff --git a/src/org/traccar/helper/ObdDecoder.java b/src/org/traccar/helper/ObdDecoder.java index 6ffe39662..8383a2b1a 100644 --- a/src/org/traccar/helper/ObdDecoder.java +++ b/src/org/traccar/helper/ObdDecoder.java @@ -42,7 +42,9 @@ public final class ObdDecoder { switch (mode) { case MODE_CURRENT: case MODE_FREEZE_FRAME: - return decodeData(Integer.parseInt(value.substring(0, 2), 16), value.substring(2)); + return decodeData( + Integer.parseInt(value.substring(0, 2), 16), + Integer.parseInt(value.substring(2), 16)); case MODE_CODES: return decodeCodes(value); default: @@ -82,25 +84,24 @@ public final class ObdDecoder { } } - private static Map.Entry<String, Object> decodeData(int pid, String value) { - int intValue = Integer.parseInt(value, 16); + public static Map.Entry<String, Object> decodeData(int pid, int value) { switch (pid) { case PID_ENGINE_LOAD: - return createEntry("engineLoad", intValue * 100 / 255); + return createEntry("engineLoad", value * 100 / 255); case PID_COOLANT_TEMPERATURE: - return createEntry("coolantTemperature", intValue - 40); + return createEntry("coolantTemperature", value - 40); case PID_ENGINE_RPM: - return createEntry(Position.KEY_RPM, intValue / 4); + return createEntry(Position.KEY_RPM, value / 4); case PID_VEHICLE_SPEED: - return createEntry(Position.KEY_OBD_SPEED, intValue); + return createEntry(Position.KEY_OBD_SPEED, value); case PID_THROTTLE_POSITION: - return createEntry("throttle", intValue * 100 / 255); + return createEntry("throttle", value * 100 / 255); case PID_MIL_DISTANCE: - return createEntry("milDistance", intValue); + return createEntry("milDistance", value); case PID_FUEL_LEVEL: - return createEntry(Position.KEY_FUEL, intValue * 100 / 255); + return createEntry(Position.KEY_FUEL, value * 100 / 255); case PID_DISTANCE_CLEARED: - return createEntry("clearedDistance", intValue); + return createEntry("clearedDistance", value); default: return null; } diff --git a/src/org/traccar/protocol/CastelProtocolDecoder.java b/src/org/traccar/protocol/CastelProtocolDecoder.java index b8faed077..ee5fac5e6 100644 --- a/src/org/traccar/protocol/CastelProtocolDecoder.java +++ b/src/org/traccar/protocol/CastelProtocolDecoder.java @@ -29,11 +29,46 @@ import org.traccar.model.Position; import java.net.SocketAddress; import java.nio.ByteOrder; import java.nio.charset.StandardCharsets; +import java.util.HashMap; import java.util.LinkedList; import java.util.List; +import java.util.Map; public class CastelProtocolDecoder extends BaseProtocolDecoder { + private static final Map<Integer, Integer> PID_LENGTH_MAP = new HashMap<>(); + + static { + int[] l1 = { + 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0b, 0x0d, + 0x0e, 0x0f, 0x11, 0x12, 0x13, 0x1c, 0x1d, 0x1e, 0x2c, + 0x2d, 0x2e, 0x2f, 0x30, 0x33, 0x43, 0x45, 0x46, + 0x47, 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x51, 0x52, + 0x5a + }; + int[] l2 = { + 0x02, 0x03, 0x0a, 0x0c, 0x10, 0x14, 0x15, 0x16, + 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1f, 0x21, 0x22, + 0x23, 0x31, 0x32, 0x3c, 0x3d, 0x3e, 0x3f, 0x42, + 0x44, 0x4d, 0x4e, 0x50, 0x53, 0x54, 0x55, 0x56, + 0x57, 0x58, 0x59 + }; + int[] l4 = { + 0x00, 0x01, 0x20, 0x24, 0x25, 0x26, 0x27, 0x28, + 0x29, 0x2a, 0x2b, 0x34, 0x35, 0x36, 0x37, 0x38, + 0x39, 0x3a, 0x3b, 0x40, 0x41, 0x4f + }; + for (int i : l1) { + PID_LENGTH_MAP.put(i, 1); + } + for (int i : l2) { + PID_LENGTH_MAP.put(i, 2); + } + for (int i : l4) { + PID_LENGTH_MAP.put(i, 4); + } + } + public CastelProtocolDecoder(CastelProtocol protocol) { super(protocol); } @@ -91,6 +126,63 @@ public class CastelProtocolDecoder extends BaseProtocolDecoder { return position; } + private Position createPosition(DeviceSession deviceSession) { + + Position position = new Position(); + position.setProtocol(getProtocolName()); + position.setDeviceId(deviceSession.getDeviceId()); + + getLastLocation(position, null); + + return position; + } + + private void decodeObd(Position position, ChannelBuffer buf, boolean groups) { + + int count = buf.readUnsignedByte(); + + int[] pids = new int[count]; + for (int i = 0; i < count; i++) { + pids[i] = buf.readUnsignedShort() & 0xff; + } + + if (groups) { + buf.readUnsignedByte(); // group count + buf.readUnsignedByte(); // group size + } + + for (int i = 0; i < count; i++) { + int value; + switch (PID_LENGTH_MAP.get(pids[i])) { + case 1: + value = buf.readUnsignedByte(); + break; + case 2: + value = buf.readUnsignedShort(); + break; + case 4: + value = buf.readInt(); + break; + default: + value = 0; + break; + } + position.add(ObdDecoder.decodeData(pids[i], value)); + } + } + + private void decodeStat(Position position, ChannelBuffer buf) { + + buf.readUnsignedInt(); // ACC ON time + buf.readUnsignedInt(); // UTC time + position.set(Position.KEY_ODOMETER, buf.readUnsignedInt()); + buf.readUnsignedInt(); // trip odometer + buf.readUnsignedInt(); // total fuel consumption + buf.readUnsignedShort(); // current fuel consumption + position.set(Position.KEY_STATUS, buf.readUnsignedInt()); + buf.skipBytes(8); + } + private void sendResponse( Channel channel, SocketAddress remoteAddress, int version, ChannelBuffer id, short type, ChannelBuffer content) { @@ -200,15 +292,22 @@ public class CastelProtocolDecoder extends BaseProtocolDecoder { return readPosition(deviceSession, buf); - } else if (type == MSG_SC_DTCS_PASSENGER) { + } else if (type == MSG_SC_PID_DATA) { - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); + Position position = createPosition(deviceSession); - getLastLocation(position, null); + decodeStat(position, buf); - buf.skipBytes(6 * 4 + 2 + 8); + buf.readUnsignedShort(); // sample rate + decodeObd(position, buf, true); + + return position; + + } else if (type == MSG_SC_DTCS_PASSENGER) { + + Position position = createPosition(deviceSession); + + decodeStat(position, buf); buf.readUnsignedByte(); // flag position.add(ObdDecoder.decodeCodes(ChannelBuffers.hexDump(buf.readBytes(buf.readUnsignedByte())))); @@ -217,27 +316,20 @@ public class CastelProtocolDecoder extends BaseProtocolDecoder { } else if (type == MSG_SC_OBD_DATA) { - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - getLastLocation(position, null); + Position position = createPosition(deviceSession); - buf.skipBytes(6 * 4 + 2 + 8); + decodeStat(position, buf); - // decode data + buf.readUnsignedByte(); // flag + decodeObd(position, buf, false); return position; } else if (type == MSG_SC_CELL) { - Position position = new Position(); - position.setProtocol(getProtocolName()); - position.setDeviceId(deviceSession.getDeviceId()); - - getLastLocation(position, null); + Position position = createPosition(deviceSession); - buf.skipBytes(6 * 4 + 2 + 8); + decodeStat(position, buf); position.set(Position.KEY_LAC, buf.readUnsignedShort()); position.set(Position.KEY_CID, buf.readUnsignedShort()); |