170 lines
5.1 KiB
Python
170 lines
5.1 KiB
Python
"""Support for the Broadlink RM2 Pro (only temperature) and A1 devices."""
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from datetime import timedelta
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from ipaddress import ip_address
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import logging
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import broadlink as blk
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from broadlink.exceptions import BroadlinkException
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import (
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CONF_HOST,
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CONF_MAC,
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CONF_MONITORED_CONDITIONS,
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CONF_NAME,
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CONF_SCAN_INTERVAL,
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CONF_TIMEOUT,
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CONF_TYPE,
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TEMP_CELSIUS,
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UNIT_PERCENTAGE,
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)
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from homeassistant.exceptions import PlatformNotReady
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity import Entity
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from homeassistant.util import Throttle
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from . import hostname, mac_address
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from .const import (
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A1_TYPES,
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DEFAULT_NAME,
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DEFAULT_PORT,
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DEFAULT_RETRY,
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DEFAULT_TIMEOUT,
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RM4_TYPES,
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RM_TYPES,
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)
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from .device import BroadlinkDevice
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_LOGGER = logging.getLogger(__name__)
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SCAN_INTERVAL = timedelta(seconds=300)
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SENSOR_TYPES = {
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"temperature": ["Temperature", TEMP_CELSIUS],
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"air_quality": ["Air Quality", " "],
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"humidity": ["Humidity", UNIT_PERCENTAGE],
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"light": ["Light", " "],
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"noise": ["Noise", " "],
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}
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DEVICE_TYPES = A1_TYPES + RM_TYPES + RM4_TYPES
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): vol.Coerce(str),
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vol.Optional(CONF_MONITORED_CONDITIONS, default=[]): vol.All(
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cv.ensure_list, [vol.In(SENSOR_TYPES)]
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),
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vol.Required(CONF_HOST): vol.All(vol.Any(hostname, ip_address), cv.string),
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vol.Required(CONF_MAC): mac_address,
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vol.Optional(CONF_TYPE, default=DEVICE_TYPES[0]): vol.In(DEVICE_TYPES),
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vol.Optional(CONF_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int,
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}
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)
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Set up the Broadlink device sensors."""
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host = config[CONF_HOST]
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mac_addr = config[CONF_MAC]
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model = config[CONF_TYPE]
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name = config[CONF_NAME]
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timeout = config[CONF_TIMEOUT]
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update_interval = config.get(CONF_SCAN_INTERVAL, SCAN_INTERVAL)
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if model in RM4_TYPES:
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api = blk.rm4((host, DEFAULT_PORT), mac_addr, None)
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check_sensors = api.check_sensors
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else:
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api = blk.a1((host, DEFAULT_PORT), mac_addr, None)
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check_sensors = api.check_sensors_raw
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api.timeout = timeout
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device = BroadlinkDevice(hass, api)
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connected = await device.async_connect()
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if not connected:
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raise PlatformNotReady
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broadlink_data = BroadlinkData(device, check_sensors, update_interval)
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sensors = [
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BroadlinkSensor(name, broadlink_data, variable)
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for variable in config[CONF_MONITORED_CONDITIONS]
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]
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async_add_entities(sensors, True)
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class BroadlinkSensor(Entity):
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"""Representation of a Broadlink device sensor."""
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def __init__(self, name, broadlink_data, sensor_type):
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"""Initialize the sensor."""
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self._name = f"{name} {SENSOR_TYPES[sensor_type][0]}"
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self._state = None
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self._type = sensor_type
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self._broadlink_data = broadlink_data
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self._unit_of_measurement = SENSOR_TYPES[sensor_type][1]
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def state(self):
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"""Return the state of the sensor."""
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return self._state
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@property
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def available(self):
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"""Return True if entity is available."""
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return self._broadlink_data.device.available
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@property
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def unit_of_measurement(self):
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"""Return the unit this state is expressed in."""
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return self._unit_of_measurement
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async def async_update(self):
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"""Get the latest data from the sensor."""
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await self._broadlink_data.async_update()
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self._state = self._broadlink_data.data.get(self._type)
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class BroadlinkData:
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"""Representation of a Broadlink data object."""
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def __init__(self, device, check_sensors, interval):
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"""Initialize the data object."""
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self.device = device
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self.check_sensors = check_sensors
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self.data = {}
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self._schema = vol.Schema(
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{
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vol.Optional("temperature"): vol.Range(min=-50, max=150),
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vol.Optional("humidity"): vol.Range(min=0, max=100),
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vol.Optional("light"): vol.Any(0, 1, 2, 3),
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vol.Optional("air_quality"): vol.Any(0, 1, 2, 3),
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vol.Optional("noise"): vol.Any(0, 1, 2),
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}
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)
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self.async_update = Throttle(interval)(self._async_fetch_data)
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async def _async_fetch_data(self):
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"""Fetch sensor data."""
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for _ in range(DEFAULT_RETRY):
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try:
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data = await self.device.async_request(self.check_sensors)
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except BroadlinkException:
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return
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try:
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data = self._schema(data)
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except (vol.Invalid, vol.MultipleInvalid):
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continue
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else:
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self.data = data
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return
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_LOGGER.debug("Failed to update sensors: Device returned malformed data")
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