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99 lines
3.0 KiB
Python
99 lines
3.0 KiB
Python
"""What the inverter measures."""
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from collections.abc import Callable
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from dataclasses import dataclass
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from typing import override
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from kaco_modbus.models import InverterThreePhase
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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.const import UnitOfEnergy, UnitOfPower
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddConfigEntryEntitiesCallback
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from homeassistant.helpers.typing import StateType
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from .coordinator import KacoConfigEntry
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from .entity import KacoEntity, KacoEntityDescription
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PARALLEL_UPDATES = 0
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@dataclass(frozen=True, kw_only=True)
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class KacoSensorDescription(SensorEntityDescription, KacoEntityDescription):
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"""A sensor, and where to read its value off the inverter block."""
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value_fn: Callable[[InverterThreePhase], StateType]
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SENSOR_DESCRIPTIONS: tuple[KacoSensorDescription, ...] = (
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KacoSensorDescription(
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key="ac_power",
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component="inverter",
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translation_key="ac_power",
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device_class=SensorDeviceClass.POWER,
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native_unit_of_measurement=UnitOfPower.WATT,
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state_class=SensorStateClass.MEASUREMENT,
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value_fn=lambda inverter: inverter.w,
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),
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KacoSensorDescription(
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key="lifetime_energy",
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component="inverter",
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translation_key="lifetime_energy",
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device_class=SensorDeviceClass.ENERGY,
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native_unit_of_measurement=UnitOfEnergy.WATT_HOUR,
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state_class=SensorStateClass.TOTAL_INCREASING,
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suggested_unit_of_measurement=UnitOfEnergy.KILO_WATT_HOUR,
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suggested_display_precision=2,
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value_fn=lambda inverter: inverter.wh,
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),
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KacoSensorDescription(
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key="operating_state",
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component="inverter",
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translation_key="operating_state",
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device_class=SensorDeviceClass.ENUM,
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options=[
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"off",
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"sleeping",
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"starting",
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"mppt",
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"throttled",
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"shutting_down",
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"fault",
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"standby",
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],
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value_fn=lambda inverter: (
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None if inverter.st is None else inverter.st.name.lower()
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),
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),
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)
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async def async_setup_entry(
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hass: HomeAssistant,
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entry: KacoConfigEntry,
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async_add_entities: AddConfigEntryEntitiesCallback,
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) -> None:
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"""Set up the KACO Modbus sensor platform."""
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async_add_entities(
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KacoSensor(entry.runtime_data, description)
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for description in SENSOR_DESCRIPTIONS
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)
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class KacoSensor(KacoEntity, SensorEntity):
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"""A read-only value off one of the inverter's components."""
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entity_description: KacoSensorDescription
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@property
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@override
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def native_value(self) -> StateType:
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"""Return the value this sensor reads from the device."""
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component = getattr(self.coordinator.device, self.entity_description.component)
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return self.entity_description.value_fn(component)
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