143 lines
4.9 KiB
Python
143 lines
4.9 KiB
Python
"""Matter sensors."""
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from __future__ import annotations
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from dataclasses import dataclass
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from chip.clusters import Objects as clusters
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from chip.clusters.Types import Nullable, NullValue
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from homeassistant.components.sensor import (
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SensorDeviceClass,
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SensorEntity,
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SensorEntityDescription,
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SensorStateClass,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import (
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LIGHT_LUX,
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PERCENTAGE,
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Platform,
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UnitOfPressure,
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UnitOfTemperature,
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UnitOfVolumeFlowRate,
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)
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from .entity import MatterEntity, MatterEntityDescription
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from .helpers import get_matter
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from .models import MatterDiscoverySchema
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up Matter sensors from Config Entry."""
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matter = get_matter(hass)
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matter.register_platform_handler(Platform.SENSOR, async_add_entities)
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@dataclass
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class MatterSensorEntityDescription(SensorEntityDescription, MatterEntityDescription):
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"""Describe Matter sensor entities."""
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class MatterSensor(MatterEntity, SensorEntity):
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"""Representation of a Matter sensor."""
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_attr_state_class = SensorStateClass.MEASUREMENT
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entity_description: MatterSensorEntityDescription
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@callback
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def _update_from_device(self) -> None:
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"""Update from device."""
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value: Nullable | float | None
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value = self.get_matter_attribute_value(self._entity_info.primary_attribute)
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if value in (None, NullValue):
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value = None
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elif value_convert := self.entity_description.measurement_to_ha:
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value = value_convert(value)
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self._attr_native_value = value
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# Discovery schema(s) to map Matter Attributes to HA entities
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DISCOVERY_SCHEMAS = [
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MatterDiscoverySchema(
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platform=Platform.SENSOR,
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entity_description=MatterSensorEntityDescription(
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key="TemperatureSensor",
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name="Temperature",
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native_unit_of_measurement=UnitOfTemperature.CELSIUS,
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device_class=SensorDeviceClass.TEMPERATURE,
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measurement_to_ha=lambda x: x / 100,
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),
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entity_class=MatterSensor,
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required_attributes=(clusters.TemperatureMeasurement.Attributes.MeasuredValue,),
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),
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MatterDiscoverySchema(
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platform=Platform.SENSOR,
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entity_description=MatterSensorEntityDescription(
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key="PressureSensor",
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name="Pressure",
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native_unit_of_measurement=UnitOfPressure.KPA,
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device_class=SensorDeviceClass.PRESSURE,
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measurement_to_ha=lambda x: x / 10,
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),
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entity_class=MatterSensor,
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required_attributes=(clusters.PressureMeasurement.Attributes.MeasuredValue,),
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),
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MatterDiscoverySchema(
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platform=Platform.SENSOR,
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entity_description=MatterSensorEntityDescription(
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key="FlowSensor",
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name="Flow",
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native_unit_of_measurement=UnitOfVolumeFlowRate.CUBIC_METERS_PER_HOUR,
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device_class=SensorDeviceClass.WATER, # what is the device class here ?
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measurement_to_ha=lambda x: x / 10,
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),
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entity_class=MatterSensor,
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required_attributes=(clusters.FlowMeasurement.Attributes.MeasuredValue,),
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),
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MatterDiscoverySchema(
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platform=Platform.SENSOR,
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entity_description=MatterSensorEntityDescription(
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key="HumiditySensor",
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name="Humidity",
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native_unit_of_measurement=PERCENTAGE,
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device_class=SensorDeviceClass.HUMIDITY,
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measurement_to_ha=lambda x: x / 100,
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),
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entity_class=MatterSensor,
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required_attributes=(
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clusters.RelativeHumidityMeasurement.Attributes.MeasuredValue,
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),
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),
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MatterDiscoverySchema(
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platform=Platform.SENSOR,
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entity_description=MatterSensorEntityDescription(
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key="LightSensor",
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name="Illuminance",
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native_unit_of_measurement=LIGHT_LUX,
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device_class=SensorDeviceClass.ILLUMINANCE,
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measurement_to_ha=lambda x: round(pow(10, ((x - 1) / 10000)), 1),
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),
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entity_class=MatterSensor,
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required_attributes=(clusters.IlluminanceMeasurement.Attributes.MeasuredValue,),
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),
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MatterDiscoverySchema(
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platform=Platform.SENSOR,
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entity_description=MatterSensorEntityDescription(
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key="PowerSource",
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name="Battery",
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native_unit_of_measurement=PERCENTAGE,
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device_class=SensorDeviceClass.BATTERY,
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# value has double precision
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measurement_to_ha=lambda x: int(x / 2),
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),
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entity_class=MatterSensor,
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required_attributes=(clusters.PowerSource.Attributes.BatPercentRemaining,),
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),
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]
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