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internal_combustion_engine_status.msg
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internal_combustion_engine_status.msg
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uint64 timestamp # time since system start (microseconds)
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
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
uint8 engine_load_percent # Engine load estimate, percent, [0, 127]
uint32 engine_speed_rpm # Engine speed, revolutions per minute
float32 spark_dwell_time_ms # Spark dwell time, millisecond
float32 atmospheric_pressure_kpa # Atmospheric (barometric) pressure, kilopascal
float32 intake_manifold_pressure_kpa # Engine intake manifold pressure, kilopascal
float32 intake_manifold_temperature # Engine intake manifold temperature, kelvin
float32 coolant_temperature # Engine coolant temperature, kelvin
float32 oil_pressure # Oil pressure, kilopascal
float32 oil_temperature # Oil temperature, kelvin
float32 fuel_pressure # Fuel pressure, kilopascal
float32 fuel_consumption_rate_cm3pm # Instant fuel consumption estimate, (centimeter^3)/minute
float32 estimated_consumed_fuel_volume_cm3 # Estimate of the consumed fuel since the start of the engine, centimeter^3
uint8 throttle_position_percent # Throttle position, percent
uint8 ecu_index # 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 # Spark plug activity report.
float32 ignition_timing_deg # Cylinder ignition timing, angular degrees of the crankshaft
float32 injection_time_ms # Fuel injection time, millisecond
float32 cylinder_head_temperature # Cylinder head temperature (CHT), kelvin
float32 exhaust_gas_temperature # Exhaust gas temperature (EGT), kelvin
float32 lambda_coefficient # Estimated lambda coefficient, dimensionless ratio