87 lines
2.3 KiB
Python
87 lines
2.3 KiB
Python
"""
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Z-Wave platform that handles fans.
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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/fan.zwave/
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"""
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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, FanEntity, SPEED_OFF, SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH,
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SUPPORT_SET_SPEED)
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from homeassistant.components import zwave
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from homeassistant.components.zwave import async_setup_platform # noqa # pylint: disable=unused-import
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_LOGGER = logging.getLogger(__name__)
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SPEED_LIST = [SPEED_OFF, SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH]
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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 = {
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0: SPEED_OFF,
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1: SPEED_LOW,
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2: SPEED_MEDIUM,
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3: SPEED_HIGH,
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}
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SPEED_TO_VALUE = {
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SPEED_OFF: 0,
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SPEED_LOW: 1,
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SPEED_MEDIUM: 50,
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SPEED_HIGH: 99,
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}
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def get_device(values, **kwargs):
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"""Create zwave entity device."""
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return ZwaveFan(values)
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class ZwaveFan(zwave.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 Z-Wave fan device."""
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zwave.ZWaveDeviceEntity.__init__(self, values, DOMAIN)
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self.update_properties()
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def update_properties(self):
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"""Handle data changes for node values."""
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value = math.ceil(self.values.primary.data * 3 / 100)
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self._state = VALUE_TO_SPEED[value]
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def set_speed(self, speed):
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"""Set the speed of the fan."""
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self.node.set_dimmer(
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self.values.primary.value_id, SPEED_TO_VALUE[speed])
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def 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.node.set_dimmer(self.values.primary.value_id, 255)
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else:
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self.set_speed(speed)
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def turn_off(self, **kwargs):
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"""Turn the device off."""
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self.node.set_dimmer(self.values.primary.value_id, 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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return self._state
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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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