136 lines
4.2 KiB
Python
136 lines
4.2 KiB
Python
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"""
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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 (CONF_HOST, CONF_MAC,
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CONF_MONITORED_CONDITIONS,
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CONF_NAME, TEMP_CELSIUS, 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==0.3']
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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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"""Setup the Broadlink device sensors."""
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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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broadlink_data = BroadlinkData(
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config.get(CONF_UPDATE_INTERVAL),
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config.get(CONF_HOST),
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mac_addr, config.get(CONF_TIMEOUT))
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dev = []
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for variable in config[CONF_MONITORED_CONDITIONS]:
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dev.append(BroadlinkSensor(
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config.get(CONF_NAME),
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broadlink_data,
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variable))
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add_devices(dev)
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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 = "%s %s" % (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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self.update()
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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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import broadlink
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self.data = None
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self._device = broadlink.a1((ip_addr, 80), mac_addr)
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self._device.timeout = timeout
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self.update = Throttle(interval)(self._update)
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if not self._auth():
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_LOGGER.error("Failed to connect to device.")
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def _update(self, retry=2):
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try:
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self.data = self._device.check_sensors_raw()
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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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if not self._auth():
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return
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return self._update(max(0, retry-1))
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def _auth(self, retry=2):
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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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return self._auth(max(0, retry-1))
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return auth
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