444 lines
14 KiB
Python
444 lines
14 KiB
Python
"""Support for 1-Wire environment sensors."""
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from __future__ import annotations
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import asyncio
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import logging
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import os
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from types import MappingProxyType
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from typing import Any
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from pi1wire import InvalidCRCException, OneWireInterface, UnsupportResponseException
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from homeassistant.components.sensor import SensorEntity
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import (
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ATTR_IDENTIFIERS,
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ATTR_MANUFACTURER,
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ATTR_MODEL,
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ATTR_NAME,
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CONF_TYPE,
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)
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity import DeviceInfo
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import StateType
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from .const import (
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CONF_MOUNT_DIR,
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CONF_NAMES,
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CONF_TYPE_OWSERVER,
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CONF_TYPE_SYSBUS,
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DOMAIN,
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SENSOR_TYPE_COUNT,
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SENSOR_TYPE_CURRENT,
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SENSOR_TYPE_HUMIDITY,
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SENSOR_TYPE_ILLUMINANCE,
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SENSOR_TYPE_MOISTURE,
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SENSOR_TYPE_PRESSURE,
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SENSOR_TYPE_TEMPERATURE,
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SENSOR_TYPE_VOLTAGE,
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SENSOR_TYPE_WETNESS,
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)
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from .model import DeviceComponentDescription
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from .onewire_entities import OneWireBaseEntity, OneWireProxyEntity
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from .onewirehub import OneWireHub
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_LOGGER = logging.getLogger(__name__)
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DEVICE_SENSORS: dict[str, list[DeviceComponentDescription]] = {
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# Family : { SensorType: owfs path }
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"10": [
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{"path": "temperature", "name": "Temperature", "type": SENSOR_TYPE_TEMPERATURE}
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],
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"12": [
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{
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"path": "TAI8570/temperature",
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"name": "Temperature",
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"type": SENSOR_TYPE_TEMPERATURE,
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"default_disabled": True,
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},
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{
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"path": "TAI8570/pressure",
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"name": "Pressure",
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"type": SENSOR_TYPE_PRESSURE,
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"default_disabled": True,
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},
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],
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"22": [
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{"path": "temperature", "name": "Temperature", "type": SENSOR_TYPE_TEMPERATURE}
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],
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"26": [
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{"path": "temperature", "name": "Temperature", "type": SENSOR_TYPE_TEMPERATURE},
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{
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"path": "humidity",
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"name": "Humidity",
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"type": SENSOR_TYPE_HUMIDITY,
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"default_disabled": True,
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},
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{
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"path": "HIH3600/humidity",
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"name": "Humidity HIH3600",
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"type": SENSOR_TYPE_HUMIDITY,
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"default_disabled": True,
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},
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{
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"path": "HIH4000/humidity",
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"name": "Humidity HIH4000",
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"type": SENSOR_TYPE_HUMIDITY,
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"default_disabled": True,
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},
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{
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"path": "HIH5030/humidity",
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"name": "Humidity HIH5030",
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"type": SENSOR_TYPE_HUMIDITY,
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"default_disabled": True,
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},
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{
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"path": "HTM1735/humidity",
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"name": "Humidity HTM1735",
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"type": SENSOR_TYPE_HUMIDITY,
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"default_disabled": True,
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},
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{
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"path": "B1-R1-A/pressure",
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"name": "Pressure",
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"type": SENSOR_TYPE_PRESSURE,
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"default_disabled": True,
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},
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{
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"path": "S3-R1-A/illuminance",
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"name": "Illuminance",
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"type": SENSOR_TYPE_ILLUMINANCE,
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"default_disabled": True,
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},
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{
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"path": "VAD",
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"name": "Voltage VAD",
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"type": SENSOR_TYPE_VOLTAGE,
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"default_disabled": True,
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},
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{
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"path": "VDD",
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"name": "Voltage VDD",
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"type": SENSOR_TYPE_VOLTAGE,
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"default_disabled": True,
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},
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{
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"path": "IAD",
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"name": "Current",
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"type": SENSOR_TYPE_CURRENT,
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"default_disabled": True,
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},
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],
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"28": [
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{"path": "temperature", "name": "Temperature", "type": SENSOR_TYPE_TEMPERATURE}
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],
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"3B": [
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{"path": "temperature", "name": "Temperature", "type": SENSOR_TYPE_TEMPERATURE}
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],
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"42": [
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{"path": "temperature", "name": "Temperature", "type": SENSOR_TYPE_TEMPERATURE}
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],
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"1D": [
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{"path": "counter.A", "name": "Counter A", "type": SENSOR_TYPE_COUNT},
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{"path": "counter.B", "name": "Counter B", "type": SENSOR_TYPE_COUNT},
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],
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"EF": [], # "HobbyBoard": special
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"7E": [], # "EDS": special
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}
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DEVICE_SUPPORT_SYSBUS = ["10", "22", "28", "3B", "42"]
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# EF sensors are usually hobbyboards specialized sensors.
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# These can only be read by OWFS. Currently this driver only supports them
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# via owserver (network protocol)
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HOBBYBOARD_EF: dict[str, list[DeviceComponentDescription]] = {
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"HobbyBoards_EF": [
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{
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"path": "humidity/humidity_corrected",
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"name": "Humidity",
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"type": SENSOR_TYPE_HUMIDITY,
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},
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{
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"path": "humidity/humidity_raw",
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"name": "Humidity Raw",
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"type": SENSOR_TYPE_HUMIDITY,
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},
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{
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"path": "humidity/temperature",
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"name": "Temperature",
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"type": SENSOR_TYPE_TEMPERATURE,
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},
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],
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"HB_MOISTURE_METER": [
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{
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"path": "moisture/sensor.0",
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"name": "Moisture 0",
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"type": SENSOR_TYPE_MOISTURE,
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},
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{
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"path": "moisture/sensor.1",
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"name": "Moisture 1",
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"type": SENSOR_TYPE_MOISTURE,
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},
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{
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"path": "moisture/sensor.2",
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"name": "Moisture 2",
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"type": SENSOR_TYPE_MOISTURE,
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},
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{
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"path": "moisture/sensor.3",
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"name": "Moisture 3",
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"type": SENSOR_TYPE_MOISTURE,
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},
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],
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}
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# 7E sensors are special sensors by Embedded Data Systems
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EDS_SENSORS: dict[str, list[DeviceComponentDescription]] = {
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"EDS0066": [
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{
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"path": "EDS0066/temperature",
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"name": "Temperature",
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"type": SENSOR_TYPE_TEMPERATURE,
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},
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{
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"path": "EDS0066/pressure",
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"name": "Pressure",
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"type": SENSOR_TYPE_PRESSURE,
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},
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],
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"EDS0068": [
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{
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"path": "EDS0068/temperature",
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"name": "Temperature",
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"type": SENSOR_TYPE_TEMPERATURE,
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},
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{
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"path": "EDS0068/pressure",
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"name": "Pressure",
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"type": SENSOR_TYPE_PRESSURE,
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},
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{
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"path": "EDS0068/light",
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"name": "Illuminance",
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"type": SENSOR_TYPE_ILLUMINANCE,
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},
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{
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"path": "EDS0068/humidity",
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"name": "Humidity",
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"type": SENSOR_TYPE_HUMIDITY,
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},
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],
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}
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def get_sensor_types(device_sub_type: str) -> dict[str, Any]:
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"""Return the proper info array for the device type."""
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if "HobbyBoard" in device_sub_type:
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return HOBBYBOARD_EF
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if "EDS" in device_sub_type:
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return EDS_SENSORS
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return DEVICE_SENSORS
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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 1-Wire platform."""
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onewirehub = hass.data[DOMAIN][config_entry.entry_id]
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entities = await hass.async_add_executor_job(
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get_entities, onewirehub, config_entry.data
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)
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async_add_entities(entities, True)
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def get_entities(
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onewirehub: OneWireHub, config: MappingProxyType[str, Any]
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) -> list[OneWireBaseEntity]:
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"""Get a list of entities."""
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if not onewirehub.devices:
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return []
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entities: list[OneWireBaseEntity] = []
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device_names = {}
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if CONF_NAMES in config and isinstance(config[CONF_NAMES], dict):
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device_names = config[CONF_NAMES]
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conf_type = config[CONF_TYPE]
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# We have an owserver on a remote(or local) host/port
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if conf_type == CONF_TYPE_OWSERVER:
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assert onewirehub.owproxy
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for device in onewirehub.devices:
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family = device["family"]
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device_type = device["type"]
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device_id = os.path.split(os.path.split(device["path"])[0])[1]
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device_sub_type = "std"
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device_path = device["path"]
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if "EF" in family:
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device_sub_type = "HobbyBoard"
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family = device_type
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elif "7E" in family:
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device_sub_type = "EDS"
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family = onewirehub.owproxy.read(f"{device_path}device_type").decode()
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if family not in get_sensor_types(device_sub_type):
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_LOGGER.warning(
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"Ignoring unknown family (%s) of sensor found for device: %s",
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family,
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device_id,
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)
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continue
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device_info: DeviceInfo = {
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ATTR_IDENTIFIERS: {(DOMAIN, device_id)},
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ATTR_MANUFACTURER: "Maxim Integrated",
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ATTR_MODEL: device_type,
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ATTR_NAME: device_id,
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}
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for entity_specs in get_sensor_types(device_sub_type)[family]:
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if entity_specs["type"] == SENSOR_TYPE_MOISTURE:
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s_id = entity_specs["path"].split(".")[1]
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is_leaf = int(
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onewirehub.owproxy.read(
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f"{device_path}moisture/is_leaf.{s_id}"
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).decode()
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)
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if is_leaf:
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entity_specs["type"] = SENSOR_TYPE_WETNESS
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entity_specs["name"] = f"Wetness {s_id}"
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entity_path = os.path.join(
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os.path.split(device_path)[0], entity_specs["path"]
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)
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entities.append(
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OneWireProxySensor(
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device_id=device_id,
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device_name=device_names.get(device_id, device_id),
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device_info=device_info,
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entity_path=entity_path,
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entity_specs=entity_specs,
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owproxy=onewirehub.owproxy,
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)
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)
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# We have a raw GPIO ow sensor on a Pi
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elif conf_type == CONF_TYPE_SYSBUS:
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base_dir = config[CONF_MOUNT_DIR]
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_LOGGER.debug("Initializing using SysBus %s", base_dir)
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for p1sensor in onewirehub.devices:
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family = p1sensor.mac_address[:2]
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sensor_id = f"{family}-{p1sensor.mac_address[2:]}"
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if family not in DEVICE_SUPPORT_SYSBUS:
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_LOGGER.warning(
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"Ignoring unknown family (%s) of sensor found for device: %s",
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family,
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sensor_id,
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)
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continue
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device_info = {
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ATTR_IDENTIFIERS: {(DOMAIN, sensor_id)},
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ATTR_MANUFACTURER: "Maxim Integrated",
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ATTR_MODEL: family,
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ATTR_NAME: sensor_id,
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}
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device_file = f"/sys/bus/w1/devices/{sensor_id}/w1_slave"
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entities.append(
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OneWireDirectSensor(
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device_names.get(sensor_id, sensor_id),
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device_file,
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device_info,
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p1sensor,
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)
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)
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if not entities:
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_LOGGER.error(
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"No onewire sensor found. Check if dtoverlay=w1-gpio "
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"is in your /boot/config.txt. "
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"Check the mount_dir parameter if it's defined"
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)
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return entities
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class OneWireSensor(OneWireBaseEntity, SensorEntity):
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"""Mixin for sensor specific attributes."""
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@property
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def native_unit_of_measurement(self) -> str | None:
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"""Return the unit the value is expressed in."""
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return self._unit_of_measurement
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class OneWireProxySensor(OneWireProxyEntity, OneWireSensor):
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"""Implementation of a 1-Wire sensor connected through owserver."""
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@property
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def native_value(self) -> StateType:
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"""Return the state of the entity."""
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return self._state
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class OneWireDirectSensor(OneWireSensor):
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"""Implementation of a 1-Wire sensor directly connected to RPI GPIO."""
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def __init__(
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self,
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name: str,
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device_file: str,
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device_info: DeviceInfo,
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owsensor: OneWireInterface,
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) -> None:
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"""Initialize the sensor."""
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super().__init__(
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name,
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device_file,
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"temperature",
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"Temperature",
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device_info,
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False,
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device_file,
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)
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self._owsensor = owsensor
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@property
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def native_value(self) -> StateType:
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"""Return the state of the entity."""
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return self._state
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async def get_temperature(self) -> float:
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"""Get the latest data from the device."""
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attempts = 1
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while True:
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try:
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return await self.hass.async_add_executor_job(
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self._owsensor.get_temperature
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)
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except UnsupportResponseException as ex:
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_LOGGER.debug(
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"Cannot read from sensor %s (retry attempt %s): %s",
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self._device_file,
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attempts,
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ex,
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)
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await asyncio.sleep(0.2)
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attempts += 1
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if attempts > 10:
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raise
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async def async_update(self) -> None:
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"""Get the latest data from the device."""
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try:
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self._value_raw = await self.get_temperature()
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self._state = round(self._value_raw, 1)
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except (
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FileNotFoundError,
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InvalidCRCException,
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UnsupportResponseException,
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) as ex:
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_LOGGER.warning("Cannot read from sensor %s: %s", self._device_file, ex)
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self._state = None
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