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core/homeassistant/components/knx/dpt.py
2025-12-19 19:20:14 +01:00

147 lines
5.5 KiB
Python

"""KNX DPT serializer."""
from collections.abc import Mapping
from functools import cache
from typing import Literal, TypedDict
from xknx.dpt import DPTBase, DPTComplex, DPTEnum, DPTNumeric
from xknx.dpt.dpt_16 import DPTString
from homeassistant.components.sensor import SensorDeviceClass, SensorStateClass
HaDptClass = Literal["numeric", "enum", "complex", "string"]
class DPTInfo(TypedDict):
"""DPT information."""
dpt_class: HaDptClass
main: int
sub: int | None
name: str | None
unit: str | None
sensor_device_class: SensorDeviceClass | None
sensor_state_class: SensorStateClass | None
@cache
def get_supported_dpts() -> Mapping[str, DPTInfo]:
"""Return a mapping of supported DPTs with HA specific attributes."""
dpts = {}
for dpt_class in DPTBase.dpt_class_tree():
dpt_number_str = dpt_class.dpt_number_str()
ha_dpt_class = _ha_dpt_class(dpt_class)
dpts[dpt_number_str] = DPTInfo(
dpt_class=ha_dpt_class,
main=dpt_class.dpt_main_number, # type: ignore[typeddict-item] # checked in xknx unit tests
sub=dpt_class.dpt_sub_number,
name=dpt_class.value_type,
unit=dpt_class.unit,
sensor_device_class=_sensor_device_classes.get(dpt_number_str),
sensor_state_class=_get_sensor_state_class(ha_dpt_class, dpt_number_str),
)
return dpts
def _ha_dpt_class(dpt_cls: type[DPTBase]) -> HaDptClass:
"""Return the DPT class identifier string."""
if issubclass(dpt_cls, DPTNumeric):
return "numeric"
if issubclass(dpt_cls, DPTEnum):
return "enum"
if issubclass(dpt_cls, DPTComplex):
return "complex"
if issubclass(dpt_cls, DPTString):
return "string"
raise ValueError("Unsupported DPT class")
_sensor_device_classes: Mapping[str, SensorDeviceClass] = {
"7.011": SensorDeviceClass.DISTANCE,
"7.012": SensorDeviceClass.CURRENT,
"7.013": SensorDeviceClass.ILLUMINANCE,
"8.012": SensorDeviceClass.DISTANCE,
"9.001": SensorDeviceClass.TEMPERATURE,
"9.002": SensorDeviceClass.TEMPERATURE_DELTA,
"9.004": SensorDeviceClass.ILLUMINANCE,
"9.005": SensorDeviceClass.WIND_SPEED,
"9.006": SensorDeviceClass.PRESSURE,
"9.007": SensorDeviceClass.HUMIDITY,
"9.020": SensorDeviceClass.VOLTAGE,
"9.021": SensorDeviceClass.CURRENT,
"9.024": SensorDeviceClass.POWER,
"9.025": SensorDeviceClass.VOLUME_FLOW_RATE,
"9.027": SensorDeviceClass.TEMPERATURE,
"9.028": SensorDeviceClass.WIND_SPEED,
"9.029": SensorDeviceClass.ABSOLUTE_HUMIDITY,
"12.1200": SensorDeviceClass.VOLUME,
"12.1201": SensorDeviceClass.VOLUME,
"13.002": SensorDeviceClass.VOLUME_FLOW_RATE,
"13.010": SensorDeviceClass.ENERGY,
"13.012": SensorDeviceClass.REACTIVE_ENERGY,
"13.013": SensorDeviceClass.ENERGY,
"13.015": SensorDeviceClass.REACTIVE_ENERGY,
"13.016": SensorDeviceClass.ENERGY,
"13.1200": SensorDeviceClass.VOLUME,
"13.1201": SensorDeviceClass.VOLUME,
"14.010": SensorDeviceClass.AREA,
"14.019": SensorDeviceClass.CURRENT,
"14.027": SensorDeviceClass.VOLTAGE,
"14.028": SensorDeviceClass.VOLTAGE,
"14.030": SensorDeviceClass.VOLTAGE,
"14.031": SensorDeviceClass.ENERGY,
"14.033": SensorDeviceClass.FREQUENCY,
"14.037": SensorDeviceClass.ENERGY_STORAGE,
"14.039": SensorDeviceClass.DISTANCE,
"14.051": SensorDeviceClass.WEIGHT,
"14.056": SensorDeviceClass.POWER,
"14.057": SensorDeviceClass.POWER_FACTOR,
"14.058": SensorDeviceClass.PRESSURE,
"14.065": SensorDeviceClass.SPEED,
"14.068": SensorDeviceClass.TEMPERATURE,
"14.069": SensorDeviceClass.TEMPERATURE,
"14.070": SensorDeviceClass.TEMPERATURE_DELTA,
"14.076": SensorDeviceClass.VOLUME,
"14.077": SensorDeviceClass.VOLUME_FLOW_RATE,
"14.080": SensorDeviceClass.APPARENT_POWER,
"14.1200": SensorDeviceClass.VOLUME_FLOW_RATE,
"14.1201": SensorDeviceClass.VOLUME_FLOW_RATE,
"29.010": SensorDeviceClass.ENERGY,
"29.012": SensorDeviceClass.REACTIVE_ENERGY,
}
_sensor_state_class_overrides: Mapping[str, SensorStateClass | None] = {
"5.003": SensorStateClass.MEASUREMENT_ANGLE, # DPTAngle
"5.006": None, # DPTTariff
"7.010": None, # DPTPropDataType
"8.011": SensorStateClass.MEASUREMENT_ANGLE, # DPTRotationAngle
"9.026": SensorStateClass.TOTAL_INCREASING, # DPTRainAmount
"12.1200": SensorStateClass.TOTAL, # DPTVolumeLiquidLitre
"12.1201": SensorStateClass.TOTAL, # DPTVolumeM3
"13.010": SensorStateClass.TOTAL, # DPTActiveEnergy
"13.011": SensorStateClass.TOTAL, # DPTApparantEnergy
"13.012": SensorStateClass.TOTAL, # DPTReactiveEnergy
"14.007": SensorStateClass.MEASUREMENT_ANGLE, # DPTAngleDeg
"14.037": SensorStateClass.TOTAL, # DPTHeatQuantity
"14.051": SensorStateClass.TOTAL, # DPTMass
"14.055": SensorStateClass.MEASUREMENT_ANGLE, # DPTPhaseAngleDeg
"14.031": SensorStateClass.TOTAL_INCREASING, # DPTEnergy
"17.001": None, # DPTSceneNumber
"29.010": SensorStateClass.TOTAL, # DPTActiveEnergy8Byte
"29.011": SensorStateClass.TOTAL, # DPTApparantEnergy8Byte
"29.012": SensorStateClass.TOTAL, # DPTReactiveEnergy8Byte
}
def _get_sensor_state_class(
ha_dpt_class: HaDptClass, dpt_number_str: str
) -> SensorStateClass | None:
"""Return the SensorStateClass for a given DPT."""
if ha_dpt_class != "numeric":
return None
return _sensor_state_class_overrides.get(
dpt_number_str,
SensorStateClass.MEASUREMENT,
)