150 lines
4.9 KiB
Python
150 lines
4.9 KiB
Python
"""
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Support for the Broadlink RM2 Pro (only temperature) and A1 devices.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/sensor.broadlink/
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"""
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from datetime import timedelta
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import binascii
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import logging
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import socket
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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, CONF_MAC, CONF_MONITORED_CONDITIONS, CONF_NAME, TEMP_CELSIUS,
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CONF_TIMEOUT)
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from homeassistant.helpers.entity import Entity
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from homeassistant.util import Throttle
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import homeassistant.helpers.config_validation as cv
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REQUIREMENTS = ['broadlink==0.9.0']
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_LOGGER = logging.getLogger(__name__)
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CONF_UPDATE_INTERVAL = 'update_interval'
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DEVICE_DEFAULT_NAME = 'Broadlink sensor'
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DEFAULT_TIMEOUT = 10
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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', '%'],
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'light': ['Light', ' '],
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'noise': ['Noise', ' '],
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}
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Optional(CONF_NAME, default=DEVICE_DEFAULT_NAME): vol.Coerce(str),
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vol.Optional(CONF_MONITORED_CONDITIONS, default=[]):
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vol.All(cv.ensure_list, [vol.In(SENSOR_TYPES)]),
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vol.Optional(CONF_UPDATE_INTERVAL, default=timedelta(seconds=300)): (
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vol.All(cv.time_period, cv.positive_timedelta)),
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vol.Required(CONF_HOST): cv.string,
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vol.Required(CONF_MAC): cv.string,
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vol.Optional(CONF_TIMEOUT, default=DEFAULT_TIMEOUT): cv.positive_int
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})
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# pylint: disable=unused-argument
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the Broadlink device sensors."""
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host = config.get(CONF_HOST)
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mac = config.get(CONF_MAC).encode().replace(b':', b'')
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mac_addr = binascii.unhexlify(mac)
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name = config.get(CONF_NAME)
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timeout = config.get(CONF_TIMEOUT)
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update_interval = config.get(CONF_UPDATE_INTERVAL)
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broadlink_data = BroadlinkData(update_interval, host, mac_addr, timeout)
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dev = []
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for variable in config[CONF_MONITORED_CONDITIONS]:
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dev.append(BroadlinkSensor(name, broadlink_data, variable))
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add_devices(dev, 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 = '{} {}'.format(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 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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def update(self):
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"""Get the latest data from the sensor."""
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self._broadlink_data.update()
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if self._broadlink_data.data is None:
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return
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self._state = self._broadlink_data.data[self._type]
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class BroadlinkData(object):
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"""Representation of a Broadlink data object."""
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def __init__(self, interval, ip_addr, mac_addr, timeout):
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"""Initialize the data object."""
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self.data = None
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self.ip_addr = ip_addr
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self.mac_addr = mac_addr
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self.timeout = timeout
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self._connect()
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self._schema = vol.Schema({
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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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self.update = Throttle(interval)(self._update)
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if not self._auth():
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_LOGGER.warning("Failed to connect to device")
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def _connect(self):
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import broadlink
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self._device = broadlink.a1((self.ip_addr, 80), self.mac_addr, None)
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self._device.timeout = self.timeout
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def _update(self, retry=3):
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try:
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data = self._device.check_sensors_raw()
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if data is not None:
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self.data = self._schema(data)
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return
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except socket.timeout as error:
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if retry < 1:
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_LOGGER.error(error)
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return
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except (vol.Invalid, vol.MultipleInvalid):
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pass # Continue quietly if device returned malformed data
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if retry > 0 and self._auth():
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self._update(retry-1)
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def _auth(self, retry=3):
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try:
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auth = self._device.auth()
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except socket.timeout:
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auth = False
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if not auth and retry > 0:
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self._connect()
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return self._auth(retry-1)
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return auth
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