91 lines
2.7 KiB
Python
91 lines
2.7 KiB
Python
"""Support for Z-Wave fans."""
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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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SUPPORT_SET_SPEED,
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FanEntity,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.helpers.dispatcher import async_dispatcher_connect
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.util.percentage import (
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int_states_in_range,
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percentage_to_ranged_value,
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ranged_value_to_percentage,
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)
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from .const import DATA_UNSUBSCRIBE, DOMAIN
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from .entity import ZWaveDeviceEntity
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SUPPORTED_FEATURES = SUPPORT_SET_SPEED
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SPEED_RANGE = (1, 99) # off is not included
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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 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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async def async_set_percentage(self, percentage):
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"""Set the speed percentage of the fan."""
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if percentage is None:
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# Value 255 tells device to return to previous value
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zwave_speed = 255
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elif percentage == 0:
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zwave_speed = 0
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else:
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zwave_speed = math.ceil(percentage_to_ranged_value(SPEED_RANGE, percentage))
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self.values.primary.send_value(zwave_speed)
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async def async_turn_on(
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self, speed=None, percentage=None, preset_mode=None, **kwargs
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):
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"""Turn the device on."""
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await self.async_set_percentage(percentage)
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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 percentage(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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return ranged_value_to_percentage(SPEED_RANGE, self.values.primary.value)
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@property
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def speed_count(self) -> int:
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"""Return the number of speeds the fan supports."""
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return int_states_in_range(SPEED_RANGE)
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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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