uint64 timestamp # [us] Time since system start uint8 STATE_STOPPED = 0 # The engine is not running. This is the default state. uint8 STATE_STARTING = 1 # The engine is starting. This is a transient state. uint8 STATE_RUNNING = 2 # The engine is running normally. uint8 STATE_FAULT = 3 # The engine can no longer function. uint8 state # [@enum STATE] Engine state uint8 SUBSTATE_RUN = 0 # The engine is running. This is the default state. uint8 SUBSTATE_IDLE = 1 # The engine idle rpm controller is running. uint8 SUBSTATE_REST = 2 # The engine is at rest. uint8 substate # [@enum SUBSTATE] Engine substate uint32 FLAG_GENERAL_ERROR = 1 # General error. uint32 FLAG_CRANKSHAFT_SENSOR_ERROR_SUPPORTED = 2 # Error of the crankshaft sensor. This flag is optional. uint32 FLAG_CRANKSHAFT_SENSOR_ERROR = 4 uint32 FLAG_TEMPERATURE_SUPPORTED = 8 # Temperature levels. These flags are optional uint32 FLAG_TEMPERATURE_BELOW_NOMINAL = 16 # Under-temperature warning uint32 FLAG_TEMPERATURE_ABOVE_NOMINAL = 32 # Over-temperature warning uint32 FLAG_TEMPERATURE_OVERHEATING = 64 # Critical overheating uint32 FLAG_TEMPERATURE_EGT_ABOVE_NOMINAL = 128 # Exhaust gas over-temperature warning uint32 FLAG_FUEL_PRESSURE_SUPPORTED = 256 # Fuel pressure. These flags are optional uint32 FLAG_FUEL_PRESSURE_BELOW_NOMINAL = 512 # Under-pressure warning uint32 FLAG_FUEL_PRESSURE_ABOVE_NOMINAL = 1024 # Over-pressure warning uint32 FLAG_DETONATION_SUPPORTED = 2048 # Detonation warning. This flag is optional. uint32 FLAG_DETONATION_OBSERVED = 4096 # Detonation condition observed warning uint32 FLAG_MISFIRE_SUPPORTED = 8192 # Misfire warning. This flag is optional. uint32 FLAG_MISFIRE_OBSERVED = 16384 # Misfire condition observed warning uint32 FLAG_OIL_PRESSURE_SUPPORTED = 32768 # Oil pressure. These flags are optional uint32 FLAG_OIL_PRESSURE_BELOW_NOMINAL = 65536 # Under-pressure warning uint32 FLAG_OIL_PRESSURE_ABOVE_NOMINAL = 131072 # Over-pressure warning uint32 FLAG_DEBRIS_SUPPORTED = 262144 # Debris warning. This flag is optional uint32 FLAG_DEBRIS_DETECTED = 524288 # Detection of debris warning uint32 flags # [@enum FLAG] Engine status flags bitmap uint8 engine_load_percent # [%] [@range 0, 127] Engine load estimate uint32 engine_speed_rpm # [rpm] [@range 0, inf] Engine speed float32 spark_dwell_time_ms # [ms] [@range 0, inf] Spark dwell time float32 atmospheric_pressure_kpa # [kPa] [@range 0, inf] Atmospheric (barometric) pressure float32 intake_manifold_pressure_kpa # [kPa] [@range 0, inf] Engine intake manifold pressure float32 intake_manifold_temperature # [K] [@range 0, inf] Engine intake manifold temperature float32 coolant_temperature # [K] [@range 0, inf] Engine coolant temperature float32 oil_pressure # [kPa] [@range 0, inf] Oil pressure float32 oil_temperature # [K] [@range 0, inf] Oil temperature float32 fuel_pressure # [kPa] [@range 0, inf] Fuel pressure float32 fuel_consumption_rate_cm3pm # [cm^3/min] [@range 0, inf] Instant fuel consumption estimate float32 estimated_consumed_fuel_volume_cm3 # [cm^3] [@range 0, inf] Estimate of the consumed fuel since the start of the engine uint8 throttle_position_percent # [%] [@range 0, 100] Throttle position uint8 ecu_index # [-] [@range 0, 255] The index of the publishing ECU uint8 SPARK_PLUG_SINGLE = 0 uint8 SPARK_PLUG_FIRST_ACTIVE = 1 uint8 SPARK_PLUG_SECOND_ACTIVE = 2 uint8 SPARK_PLUG_BOTH_ACTIVE = 3 uint8 spark_plug_usage # [@enum SPARK_PLUG] Spark plug activity report float32 ignition_timing_deg # [deg] [@range -inf, inf] Cylinder ignition timing, angular degrees of the crankshaft float32 injection_time_ms # [ms] [@range 0, inf] Fuel injection time float32 cylinder_head_temperature # [K] [@range 0, inf] Cylinder head temperature (CHT) float32 exhaust_gas_temperature # [K] [@range 0, inf] Exhaust gas temperature (EGT) float32 lambda_coefficient # [-] [@range 0, inf] Estimated lambda coefficient, dimensionless ratio float32 pid_idle_rpm_integral # [-] [@range -1, 1] Integral of the PID for the closed loop idle RPM controller