96 lines
2.8 KiB
Python
96 lines
2.8 KiB
Python
"""Support for Z-Wave fans."""
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import logging
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import math
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from homeassistant.components.fan import (
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DOMAIN as FAN_DOMAIN,
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SPEED_HIGH,
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SPEED_LOW,
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SPEED_MEDIUM,
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SPEED_OFF,
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SUPPORT_SET_SPEED,
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FanEntity,
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)
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from homeassistant.core import callback
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from .const import DATA_UNSUBSCRIBE, DOMAIN
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from .entity import ZWaveDeviceEntity
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_LOGGER = logging.getLogger(__name__)
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SUPPORTED_FEATURES = SUPPORT_SET_SPEED
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# Value will first be divided to an integer
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VALUE_TO_SPEED = {0: SPEED_OFF, 1: SPEED_LOW, 2: SPEED_MEDIUM, 3: SPEED_HIGH}
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SPEED_TO_VALUE = {SPEED_OFF: 0, SPEED_LOW: 1, SPEED_MEDIUM: 50, SPEED_HIGH: 99}
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SPEED_LIST = [*SPEED_TO_VALUE]
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async def async_setup_entry(hass, config_entry, async_add_entities):
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"""Set up Z-Wave Fan from Config Entry."""
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@callback
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def async_add_fan(values):
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"""Add Z-Wave Fan."""
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fan = ZwaveFan(values)
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async_add_entities([fan])
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hass.data[DOMAIN][config_entry.entry_id][DATA_UNSUBSCRIBE].append(
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async_dispatcher_connect(hass, f"{DOMAIN}_new_{FAN_DOMAIN}", async_add_fan)
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)
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class ZwaveFan(ZWaveDeviceEntity, FanEntity):
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"""Representation of a Z-Wave fan."""
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def __init__(self, values):
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"""Initialize the fan."""
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super().__init__(values)
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self._previous_speed = None
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async def async_set_speed(self, speed):
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"""Set the speed of the fan."""
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if speed not in SPEED_TO_VALUE:
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_LOGGER.warning("Invalid speed received: %s", speed)
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return
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self._previous_speed = speed
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self.values.primary.send_value(SPEED_TO_VALUE[speed])
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async def async_turn_on(self, speed=None, **kwargs):
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"""Turn the device on."""
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if speed is None:
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# Value 255 tells device to return to previous value
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self.values.primary.send_value(255)
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else:
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await self.async_set_speed(speed)
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async def async_turn_off(self, **kwargs):
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"""Turn the device off."""
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self.values.primary.send_value(0)
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@property
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def is_on(self):
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"""Return true if device is on (speed above 0)."""
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return self.values.primary.value > 0
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@property
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def speed(self):
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"""Return the current speed.
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The Z-Wave speed value is a byte 0-255. 255 means previous value.
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The normal range of the speed is 0-99. 0 means off.
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"""
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value = math.ceil(self.values.primary.value * 3 / 100)
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return VALUE_TO_SPEED.get(value, self._previous_speed)
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@property
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def speed_list(self):
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"""Get the list of available speeds."""
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return SPEED_LIST
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@property
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def supported_features(self):
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"""Flag supported features."""
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return SUPPORTED_FEATURES
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