core/homeassistant/components/insteon/fan.py

86 lines
2.4 KiB
Python

"""Support for INSTEON fans via PowerLinc Modem."""
import logging
from homeassistant.components.fan import (
SPEED_HIGH, SPEED_LOW, SPEED_MEDIUM, SPEED_OFF, SUPPORT_SET_SPEED,
FanEntity)
from homeassistant.const import STATE_OFF
from . import InsteonEntity
_LOGGER = logging.getLogger(__name__)
SPEED_TO_HEX = {
SPEED_OFF: 0x00,
SPEED_LOW: 0x3f,
SPEED_MEDIUM: 0xbe,
SPEED_HIGH: 0xff,
}
FAN_SPEEDS = [STATE_OFF, SPEED_LOW, SPEED_MEDIUM, SPEED_HIGH]
async def async_setup_platform(
hass, config, async_add_entities, discovery_info=None):
"""Set up the INSTEON device class for the hass platform."""
insteon_modem = hass.data['insteon'].get('modem')
address = discovery_info['address']
device = insteon_modem.devices[address]
state_key = discovery_info['state_key']
_LOGGER.debug('Adding device %s entity %s to Fan platform',
device.address.hex, device.states[state_key].name)
new_entity = InsteonFan(device, state_key)
async_add_entities([new_entity])
class InsteonFan(InsteonEntity, FanEntity):
"""An INSTEON fan component."""
@property
def speed(self) -> str:
"""Return the current speed."""
return self._hex_to_speed(self._insteon_device_state.value)
@property
def speed_list(self) -> list:
"""Get the list of available speeds."""
return FAN_SPEEDS
@property
def supported_features(self) -> int:
"""Flag supported features."""
return SUPPORT_SET_SPEED
async def async_turn_on(self, speed: str = None, **kwargs) -> None:
"""Turn on the entity."""
if speed is None:
speed = SPEED_MEDIUM
await self.async_set_speed(speed)
async def async_turn_off(self, **kwargs) -> None:
"""Turn off the entity."""
await self.async_set_speed(SPEED_OFF)
async def async_set_speed(self, speed: str) -> None:
"""Set the speed of the fan."""
fan_speed = SPEED_TO_HEX[speed]
if fan_speed == 0x00:
self._insteon_device_state.off()
else:
self._insteon_device_state.set_level(fan_speed)
@staticmethod
def _hex_to_speed(speed: int):
hex_speed = SPEED_OFF
if speed > 0xfe:
hex_speed = SPEED_HIGH
elif speed > 0x7f:
hex_speed = SPEED_MEDIUM
elif speed > 0:
hex_speed = SPEED_LOW
return hex_speed