core/homeassistant/components/rfxtrx/light.py

170 lines
4.7 KiB
Python

"""Support for RFXtrx lights."""
import logging
import RFXtrx as rfxtrxmod
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
SUPPORT_BRIGHTNESS,
LightEntity,
)
from homeassistant.const import CONF_DEVICES, STATE_ON
from homeassistant.core import callback
from . import (
CONF_AUTOMATIC_ADD,
CONF_DATA_BITS,
CONF_SIGNAL_REPETITIONS,
DEFAULT_SIGNAL_REPETITIONS,
SIGNAL_EVENT,
RfxtrxCommandEntity,
get_device_id,
get_rfx_object,
)
from .const import COMMAND_OFF_LIST, COMMAND_ON_LIST
_LOGGER = logging.getLogger(__name__)
SUPPORT_RFXTRX = SUPPORT_BRIGHTNESS
async def async_setup_entry(
hass,
config_entry,
async_add_entities,
):
"""Set up config entry."""
discovery_info = config_entry.data
device_ids = set()
def supported(event):
return (
isinstance(event.device, rfxtrxmod.LightingDevice)
and event.device.known_to_be_dimmable
)
# Add switch from config file
entities = []
for packet_id, entity_info in discovery_info[CONF_DEVICES].items():
event = get_rfx_object(packet_id)
if event is None:
_LOGGER.error("Invalid device: %s", packet_id)
continue
if not supported(event):
continue
device_id = get_device_id(
event.device, data_bits=entity_info.get(CONF_DATA_BITS)
)
if device_id in device_ids:
continue
device_ids.add(device_id)
entity = RfxtrxLight(
event.device, device_id, entity_info[CONF_SIGNAL_REPETITIONS]
)
entities.append(entity)
async_add_entities(entities)
@callback
def light_update(event, device_id):
"""Handle light updates from the RFXtrx gateway."""
if not supported(event):
return
if device_id in device_ids:
return
device_ids.add(device_id)
_LOGGER.info(
"Added light (Device ID: %s Class: %s Sub: %s, Event: %s)",
event.device.id_string.lower(),
event.device.__class__.__name__,
event.device.subtype,
"".join(f"{x:02x}" for x in event.data),
)
entity = RfxtrxLight(
event.device, device_id, DEFAULT_SIGNAL_REPETITIONS, event=event
)
async_add_entities([entity])
# Subscribe to main RFXtrx events
if discovery_info[CONF_AUTOMATIC_ADD]:
hass.helpers.dispatcher.async_dispatcher_connect(SIGNAL_EVENT, light_update)
class RfxtrxLight(RfxtrxCommandEntity, LightEntity):
"""Representation of a RFXtrx light."""
_brightness = 0
async def async_added_to_hass(self):
"""Restore RFXtrx device state (ON/OFF)."""
await super().async_added_to_hass()
if self._event is None:
old_state = await self.async_get_last_state()
if old_state is not None:
self._state = old_state.state == STATE_ON
self._brightness = old_state.attributes.get(ATTR_BRIGHTNESS)
@property
def brightness(self):
"""Return the brightness of this light between 0..255."""
return self._brightness
@property
def supported_features(self):
"""Flag supported features."""
return SUPPORT_RFXTRX
@property
def is_on(self):
"""Return true if device is on."""
return self._state
async def async_turn_on(self, **kwargs):
"""Turn the device on."""
brightness = kwargs.get(ATTR_BRIGHTNESS)
self._state = True
if brightness is None:
await self._async_send(self._device.send_on)
self._brightness = 255
else:
await self._async_send(self._device.send_dim, brightness * 100 // 255)
self._brightness = brightness
self.async_write_ha_state()
async def async_turn_off(self, **kwargs):
"""Turn the device off."""
await self._async_send(self._device.send_off)
self._state = False
self._brightness = 0
self.async_write_ha_state()
def _apply_event(self, event):
"""Apply command from rfxtrx."""
super()._apply_event(event)
if event.values["Command"] in COMMAND_ON_LIST:
self._state = True
elif event.values["Command"] in COMMAND_OFF_LIST:
self._state = False
elif event.values["Command"] == "Set level":
self._brightness = event.values["Dim level"] * 255 // 100
self._state = self._brightness > 0
@callback
def _handle_event(self, event, device_id):
"""Check if event applies to me and update."""
if device_id != self._device_id:
return
self._apply_event(event)
self.async_write_ha_state()