607 lines
22 KiB
Python
607 lines
22 KiB
Python
"""Support for Dutch Smart Meter (also known as Smartmeter or P1 port)."""
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from __future__ import annotations
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import asyncio
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from asyncio import CancelledError
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from contextlib import suppress
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from dataclasses import dataclass
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from datetime import timedelta
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from functools import partial
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from dsmr_parser import obis_references
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from dsmr_parser.clients.protocol import create_dsmr_reader, create_tcp_dsmr_reader
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from dsmr_parser.clients.rfxtrx_protocol import (
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create_rfxtrx_dsmr_reader,
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create_rfxtrx_tcp_dsmr_reader,
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)
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from dsmr_parser.objects import DSMRObject
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import serial
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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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CONF_HOST,
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CONF_PORT,
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EVENT_HOMEASSISTANT_STOP,
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VOLUME_CUBIC_METERS,
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)
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from homeassistant.core import CoreState, HomeAssistant, callback
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from homeassistant.helpers.entity import DeviceInfo, EntityCategory
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import EventType, StateType
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from homeassistant.util import Throttle
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from .const import (
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CONF_DSMR_VERSION,
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CONF_PRECISION,
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CONF_PROTOCOL,
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CONF_RECONNECT_INTERVAL,
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CONF_SERIAL_ID,
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CONF_SERIAL_ID_GAS,
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CONF_TIME_BETWEEN_UPDATE,
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DATA_TASK,
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DEFAULT_PRECISION,
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DEFAULT_RECONNECT_INTERVAL,
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DEFAULT_TIME_BETWEEN_UPDATE,
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DEVICE_NAME_ELECTRICITY,
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DEVICE_NAME_GAS,
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DOMAIN,
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DSMR_PROTOCOL,
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LOGGER,
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)
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UNIT_CONVERSION = {"m3": VOLUME_CUBIC_METERS}
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@dataclass
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class DSMRSensorEntityDescriptionMixin:
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"""Mixin for required keys."""
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obis_reference: str
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@dataclass
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class DSMRSensorEntityDescription(
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SensorEntityDescription, DSMRSensorEntityDescriptionMixin
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):
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"""Represents an DSMR Sensor."""
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dsmr_versions: set[str] | None = None
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is_gas: bool = False
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SENSORS: tuple[DSMRSensorEntityDescription, ...] = (
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DSMRSensorEntityDescription(
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key="current_electricity_usage",
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name="Power consumption",
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obis_reference=obis_references.CURRENT_ELECTRICITY_USAGE,
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device_class=SensorDeviceClass.POWER,
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force_update=True,
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state_class=SensorStateClass.MEASUREMENT,
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),
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DSMRSensorEntityDescription(
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key="current_electricity_delivery",
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name="Power production",
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obis_reference=obis_references.CURRENT_ELECTRICITY_DELIVERY,
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device_class=SensorDeviceClass.POWER,
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force_update=True,
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state_class=SensorStateClass.MEASUREMENT,
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),
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DSMRSensorEntityDescription(
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key="electricity_active_tariff",
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name="Active tariff",
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obis_reference=obis_references.ELECTRICITY_ACTIVE_TARIFF,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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icon="mdi:flash",
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),
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DSMRSensorEntityDescription(
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key="electricity_used_tariff_1",
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name="Energy consumption (tarif 1)",
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obis_reference=obis_references.ELECTRICITY_USED_TARIFF_1,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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device_class=SensorDeviceClass.ENERGY,
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force_update=True,
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state_class=SensorStateClass.TOTAL_INCREASING,
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),
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DSMRSensorEntityDescription(
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key="electricity_used_tariff_2",
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name="Energy consumption (tarif 2)",
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obis_reference=obis_references.ELECTRICITY_USED_TARIFF_2,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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force_update=True,
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device_class=SensorDeviceClass.ENERGY,
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state_class=SensorStateClass.TOTAL_INCREASING,
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),
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DSMRSensorEntityDescription(
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key="electricity_delivered_tariff_1",
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name="Energy production (tarif 1)",
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obis_reference=obis_references.ELECTRICITY_DELIVERED_TARIFF_1,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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force_update=True,
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device_class=SensorDeviceClass.ENERGY,
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state_class=SensorStateClass.TOTAL_INCREASING,
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),
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DSMRSensorEntityDescription(
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key="electricity_delivered_tariff_2",
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name="Energy production (tarif 2)",
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obis_reference=obis_references.ELECTRICITY_DELIVERED_TARIFF_2,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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force_update=True,
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device_class=SensorDeviceClass.ENERGY,
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state_class=SensorStateClass.TOTAL_INCREASING,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_active_power_l1_positive",
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name="Power consumption phase L1",
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obis_reference=obis_references.INSTANTANEOUS_ACTIVE_POWER_L1_POSITIVE,
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device_class=SensorDeviceClass.POWER,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_active_power_l2_positive",
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name="Power consumption phase L2",
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obis_reference=obis_references.INSTANTANEOUS_ACTIVE_POWER_L2_POSITIVE,
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device_class=SensorDeviceClass.POWER,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_active_power_l3_positive",
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name="Power consumption phase L3",
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obis_reference=obis_references.INSTANTANEOUS_ACTIVE_POWER_L3_POSITIVE,
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device_class=SensorDeviceClass.POWER,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_active_power_l1_negative",
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name="Power production phase L1",
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obis_reference=obis_references.INSTANTANEOUS_ACTIVE_POWER_L1_NEGATIVE,
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device_class=SensorDeviceClass.POWER,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_active_power_l2_negative",
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name="Power production phase L2",
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obis_reference=obis_references.INSTANTANEOUS_ACTIVE_POWER_L2_NEGATIVE,
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device_class=SensorDeviceClass.POWER,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_active_power_l3_negative",
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name="Power production phase L3",
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obis_reference=obis_references.INSTANTANEOUS_ACTIVE_POWER_L3_NEGATIVE,
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device_class=SensorDeviceClass.POWER,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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),
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DSMRSensorEntityDescription(
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key="short_power_failure_count",
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name="Short power failure count",
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obis_reference=obis_references.SHORT_POWER_FAILURE_COUNT,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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entity_registry_enabled_default=False,
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icon="mdi:flash-off",
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="long_power_failure_count",
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name="Long power failure count",
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obis_reference=obis_references.LONG_POWER_FAILURE_COUNT,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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entity_registry_enabled_default=False,
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icon="mdi:flash-off",
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="voltage_sag_l1_count",
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name="Voltage sags phase L1",
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obis_reference=obis_references.VOLTAGE_SAG_L1_COUNT,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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entity_registry_enabled_default=False,
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="voltage_sag_l2_count",
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name="Voltage sags phase L2",
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obis_reference=obis_references.VOLTAGE_SAG_L2_COUNT,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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entity_registry_enabled_default=False,
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="voltage_sag_l3_count",
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name="Voltage sags phase L3",
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obis_reference=obis_references.VOLTAGE_SAG_L3_COUNT,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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entity_registry_enabled_default=False,
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="voltage_swell_l1_count",
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name="Voltage swells phase L1",
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obis_reference=obis_references.VOLTAGE_SWELL_L1_COUNT,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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entity_registry_enabled_default=False,
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icon="mdi:pulse",
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="voltage_swell_l2_count",
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name="Voltage swells phase L2",
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obis_reference=obis_references.VOLTAGE_SWELL_L2_COUNT,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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entity_registry_enabled_default=False,
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icon="mdi:pulse",
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="voltage_swell_l3_count",
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name="Voltage swells phase L3",
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obis_reference=obis_references.VOLTAGE_SWELL_L3_COUNT,
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dsmr_versions={"2.2", "4", "5", "5B", "5L"},
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entity_registry_enabled_default=False,
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icon="mdi:pulse",
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_voltage_l1",
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name="Voltage phase L1",
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obis_reference=obis_references.INSTANTANEOUS_VOLTAGE_L1,
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device_class=SensorDeviceClass.VOLTAGE,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_voltage_l2",
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name="Voltage phase L2",
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obis_reference=obis_references.INSTANTANEOUS_VOLTAGE_L2,
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device_class=SensorDeviceClass.VOLTAGE,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_voltage_l3",
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name="Voltage phase L3",
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obis_reference=obis_references.INSTANTANEOUS_VOLTAGE_L3,
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device_class=SensorDeviceClass.VOLTAGE,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_current_l1",
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name="Current phase L1",
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obis_reference=obis_references.INSTANTANEOUS_CURRENT_L1,
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device_class=SensorDeviceClass.CURRENT,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_current_l2",
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name="Current phase L2",
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obis_reference=obis_references.INSTANTANEOUS_CURRENT_L2,
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device_class=SensorDeviceClass.CURRENT,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="instantaneous_current_l3",
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name="Current phase L3",
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obis_reference=obis_references.INSTANTANEOUS_CURRENT_L3,
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device_class=SensorDeviceClass.CURRENT,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="belgium_max_power_per_phase",
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name="Max power per phase",
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obis_reference=obis_references.BELGIUM_MAX_POWER_PER_PHASE,
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dsmr_versions={"5B"},
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device_class=SensorDeviceClass.POWER,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="belgium_max_current_per_phase",
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name="Max current per phase",
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obis_reference=obis_references.BELGIUM_MAX_CURRENT_PER_PHASE,
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dsmr_versions={"5B"},
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device_class=SensorDeviceClass.POWER,
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entity_registry_enabled_default=False,
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state_class=SensorStateClass.MEASUREMENT,
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entity_category=EntityCategory.DIAGNOSTIC,
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),
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DSMRSensorEntityDescription(
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key="electricity_imported_total",
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name="Energy consumption (total)",
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obis_reference=obis_references.ELECTRICITY_IMPORTED_TOTAL,
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dsmr_versions={"5L", "5S", "Q3D"},
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force_update=True,
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device_class=SensorDeviceClass.ENERGY,
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state_class=SensorStateClass.TOTAL_INCREASING,
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),
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DSMRSensorEntityDescription(
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key="electricity_exported_total",
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name="Energy production (total)",
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obis_reference=obis_references.ELECTRICITY_EXPORTED_TOTAL,
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dsmr_versions={"5L", "5S", "Q3D"},
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force_update=True,
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device_class=SensorDeviceClass.ENERGY,
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state_class=SensorStateClass.TOTAL_INCREASING,
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),
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DSMRSensorEntityDescription(
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key="hourly_gas_meter_reading",
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name="Gas consumption",
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obis_reference=obis_references.HOURLY_GAS_METER_READING,
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dsmr_versions={"4", "5", "5L"},
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is_gas=True,
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force_update=True,
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device_class=SensorDeviceClass.GAS,
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state_class=SensorStateClass.TOTAL_INCREASING,
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),
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DSMRSensorEntityDescription(
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key="belgium_5min_gas_meter_reading",
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name="Gas consumption",
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obis_reference=obis_references.BELGIUM_5MIN_GAS_METER_READING,
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dsmr_versions={"5B"},
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is_gas=True,
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force_update=True,
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device_class=SensorDeviceClass.GAS,
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state_class=SensorStateClass.TOTAL_INCREASING,
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),
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DSMRSensorEntityDescription(
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key="gas_meter_reading",
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name="Gas consumption",
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obis_reference=obis_references.GAS_METER_READING,
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dsmr_versions={"2.2"},
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is_gas=True,
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force_update=True,
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device_class=SensorDeviceClass.GAS,
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state_class=SensorStateClass.TOTAL_INCREASING,
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),
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)
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async def async_setup_entry(
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hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
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) -> None:
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"""Set up the DSMR sensor."""
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dsmr_version = entry.data[CONF_DSMR_VERSION]
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entities = [
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DSMREntity(description, entry)
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for description in SENSORS
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if (
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description.dsmr_versions is None
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or dsmr_version in description.dsmr_versions
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)
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and (not description.is_gas or CONF_SERIAL_ID_GAS in entry.data)
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]
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async_add_entities(entities)
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min_time_between_updates = timedelta(
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seconds=entry.options.get(CONF_TIME_BETWEEN_UPDATE, DEFAULT_TIME_BETWEEN_UPDATE)
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)
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@Throttle(min_time_between_updates)
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def update_entities_telegram(telegram: dict[str, DSMRObject]) -> None:
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"""Update entities with latest telegram and trigger state update."""
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# Make all device entities aware of new telegram
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for entity in entities:
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entity.update_data(telegram)
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# Creates an asyncio.Protocol factory for reading DSMR telegrams from
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# serial and calls update_entities_telegram to update entities on arrival
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protocol = entry.data.get(CONF_PROTOCOL, DSMR_PROTOCOL)
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if CONF_HOST in entry.data:
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if protocol == DSMR_PROTOCOL:
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create_reader = create_tcp_dsmr_reader
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else:
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create_reader = create_rfxtrx_tcp_dsmr_reader
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reader_factory = partial(
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create_reader,
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entry.data[CONF_HOST],
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entry.data[CONF_PORT],
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dsmr_version,
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update_entities_telegram,
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loop=hass.loop,
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keep_alive_interval=60,
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)
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else:
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if protocol == DSMR_PROTOCOL:
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create_reader = create_dsmr_reader
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else:
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create_reader = create_rfxtrx_dsmr_reader
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reader_factory = partial(
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create_reader,
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entry.data[CONF_PORT],
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dsmr_version,
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update_entities_telegram,
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loop=hass.loop,
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)
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async def connect_and_reconnect() -> None:
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"""Connect to DSMR and keep reconnecting until Home Assistant stops."""
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stop_listener = None
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transport = None
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protocol = None
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while hass.state == CoreState.not_running or hass.is_running:
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# Start DSMR asyncio.Protocol reader
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try:
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transport, protocol = await hass.loop.create_task(reader_factory())
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if transport:
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# Register listener to close transport on HA shutdown
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@callback
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def close_transport(_event: EventType) -> None:
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"""Close the transport on HA shutdown."""
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if not transport:
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return
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transport.close()
|
|
|
|
stop_listener = hass.bus.async_listen_once(
|
|
EVENT_HOMEASSISTANT_STOP, close_transport
|
|
)
|
|
|
|
# Wait for reader to close
|
|
await protocol.wait_closed()
|
|
|
|
# Unexpected disconnect
|
|
if hass.state == CoreState.not_running or hass.is_running:
|
|
stop_listener()
|
|
|
|
transport = None
|
|
protocol = None
|
|
|
|
# Reflect disconnect state in devices state by setting an
|
|
# empty telegram resulting in `unknown` states
|
|
update_entities_telegram({})
|
|
|
|
# throttle reconnect attempts
|
|
await asyncio.sleep(
|
|
entry.data.get(CONF_RECONNECT_INTERVAL, DEFAULT_RECONNECT_INTERVAL)
|
|
)
|
|
|
|
except (serial.serialutil.SerialException, OSError):
|
|
# Log any error while establishing connection and drop to retry
|
|
# connection wait
|
|
LOGGER.exception("Error connecting to DSMR")
|
|
transport = None
|
|
protocol = None
|
|
|
|
# throttle reconnect attempts
|
|
await asyncio.sleep(
|
|
entry.data.get(CONF_RECONNECT_INTERVAL, DEFAULT_RECONNECT_INTERVAL)
|
|
)
|
|
except CancelledError:
|
|
if stop_listener and (
|
|
hass.state == CoreState.not_running or hass.is_running
|
|
):
|
|
stop_listener() # pylint: disable=not-callable
|
|
|
|
if transport:
|
|
transport.close()
|
|
|
|
if protocol:
|
|
await protocol.wait_closed()
|
|
|
|
return
|
|
|
|
# Can't be hass.async_add_job because job runs forever
|
|
task = asyncio.create_task(connect_and_reconnect())
|
|
|
|
# Save the task to be able to cancel it when unloading
|
|
hass.data[DOMAIN][entry.entry_id][DATA_TASK] = task
|
|
|
|
|
|
class DSMREntity(SensorEntity):
|
|
"""Entity reading values from DSMR telegram."""
|
|
|
|
entity_description: DSMRSensorEntityDescription
|
|
_attr_has_entity_name = True
|
|
_attr_should_poll = False
|
|
|
|
def __init__(
|
|
self, entity_description: DSMRSensorEntityDescription, entry: ConfigEntry
|
|
) -> None:
|
|
"""Initialize entity."""
|
|
self.entity_description = entity_description
|
|
self._entry = entry
|
|
self.telegram: dict[str, DSMRObject] = {}
|
|
|
|
device_serial = entry.data[CONF_SERIAL_ID]
|
|
device_name = DEVICE_NAME_ELECTRICITY
|
|
if entity_description.is_gas:
|
|
device_serial = entry.data[CONF_SERIAL_ID_GAS]
|
|
device_name = DEVICE_NAME_GAS
|
|
if device_serial is None:
|
|
device_serial = entry.entry_id
|
|
|
|
self._attr_device_info = DeviceInfo(
|
|
identifiers={(DOMAIN, device_serial)},
|
|
name=device_name,
|
|
)
|
|
self._attr_unique_id = f"{device_serial}_{entity_description.key}"
|
|
|
|
@callback
|
|
def update_data(self, telegram: dict[str, DSMRObject]) -> None:
|
|
"""Update data."""
|
|
self.telegram = telegram
|
|
if self.hass and self.entity_description.obis_reference in self.telegram:
|
|
self.async_write_ha_state()
|
|
|
|
def get_dsmr_object_attr(self, attribute: str) -> str | None:
|
|
"""Read attribute from last received telegram for this DSMR object."""
|
|
# Make sure telegram contains an object for this entities obis
|
|
if self.entity_description.obis_reference not in self.telegram:
|
|
return None
|
|
|
|
# Get the attribute value if the object has it
|
|
dsmr_object = self.telegram[self.entity_description.obis_reference]
|
|
attr: str | None = getattr(dsmr_object, attribute)
|
|
return attr
|
|
|
|
@property
|
|
def native_value(self) -> StateType:
|
|
"""Return the state of sensor, if available, translate if needed."""
|
|
if (value := self.get_dsmr_object_attr("value")) is None:
|
|
return None
|
|
|
|
if (
|
|
self.entity_description.obis_reference
|
|
== obis_references.ELECTRICITY_ACTIVE_TARIFF
|
|
):
|
|
return self.translate_tariff(value, self._entry.data[CONF_DSMR_VERSION])
|
|
|
|
with suppress(TypeError):
|
|
value = round(
|
|
float(value), self._entry.data.get(CONF_PRECISION, DEFAULT_PRECISION)
|
|
)
|
|
|
|
if value is not None:
|
|
return value
|
|
|
|
return None
|
|
|
|
@property
|
|
def native_unit_of_measurement(self) -> str | None:
|
|
"""Return the unit of measurement of this entity, if any."""
|
|
unit_of_measurement = self.get_dsmr_object_attr("unit")
|
|
if unit_of_measurement in UNIT_CONVERSION:
|
|
return UNIT_CONVERSION[unit_of_measurement]
|
|
return unit_of_measurement
|
|
|
|
@staticmethod
|
|
def translate_tariff(value: str, dsmr_version: str) -> str | None:
|
|
"""Convert 2/1 to normal/low depending on DSMR version."""
|
|
# DSMR V5B: Note: In Belgium values are swapped:
|
|
# Rate code 2 is used for low rate and rate code 1 is used for normal rate.
|
|
if dsmr_version == "5B":
|
|
if value == "0001":
|
|
value = "0002"
|
|
elif value == "0002":
|
|
value = "0001"
|
|
# DSMR V2.2: Note: Rate code 1 is used for low rate and rate code 2 is
|
|
# used for normal rate.
|
|
if value == "0002":
|
|
return "normal"
|
|
if value == "0001":
|
|
return "low"
|
|
|
|
return None
|