core/homeassistant/components/tasmota/light.py

274 lines
9.3 KiB
Python

"""Support for Tasmota lights."""
from __future__ import annotations
from typing import Any
from hatasmota import light as tasmota_light
from hatasmota.entity import TasmotaEntity as HATasmotaEntity, TasmotaEntityConfig
from hatasmota.light import (
LIGHT_TYPE_COLDWARM,
LIGHT_TYPE_NONE,
LIGHT_TYPE_RGB,
LIGHT_TYPE_RGBCW,
LIGHT_TYPE_RGBW,
)
from hatasmota.models import DiscoveryHashType
from homeassistant.components import light
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
ATTR_COLOR_TEMP,
ATTR_EFFECT,
ATTR_HS_COLOR,
ATTR_TRANSITION,
ATTR_WHITE,
ColorMode,
LightEntity,
LightEntityFeature,
brightness_supported,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from .const import DATA_REMOVE_DISCOVER_COMPONENT
from .discovery import TASMOTA_DISCOVERY_ENTITY_NEW
from .entity import TasmotaAvailability, TasmotaDiscoveryUpdate, TasmotaOnOffEntity
DEFAULT_BRIGHTNESS_MAX = 255
TASMOTA_BRIGHTNESS_MAX = 100
async def async_setup_entry(
hass: HomeAssistant,
config_entry: ConfigEntry,
async_add_entities: AddEntitiesCallback,
) -> None:
"""Set up Tasmota light dynamically through discovery."""
@callback
def async_discover(
tasmota_entity: HATasmotaEntity, discovery_hash: DiscoveryHashType
) -> None:
"""Discover and add a Tasmota light."""
async_add_entities(
[TasmotaLight(tasmota_entity=tasmota_entity, discovery_hash=discovery_hash)]
)
hass.data[DATA_REMOVE_DISCOVER_COMPONENT.format(light.DOMAIN)] = (
async_dispatcher_connect(
hass,
TASMOTA_DISCOVERY_ENTITY_NEW.format(light.DOMAIN),
async_discover,
)
)
def clamp(value: float) -> float:
"""Clamp value to the range 0..255."""
return min(max(value, 0), 255)
def scale_brightness(brightness: float) -> float:
"""Scale brightness from 0..255 to 1..100."""
brightness_normalized = brightness / DEFAULT_BRIGHTNESS_MAX
device_brightness = min(
round(brightness_normalized * TASMOTA_BRIGHTNESS_MAX),
TASMOTA_BRIGHTNESS_MAX,
)
# Make sure the brightness is not rounded down to 0
return max(device_brightness, 1)
class TasmotaLight(
TasmotaAvailability,
TasmotaDiscoveryUpdate,
TasmotaOnOffEntity,
LightEntity,
):
"""Representation of a Tasmota light."""
_tasmota_entity: tasmota_light.TasmotaLight
def __init__(self, **kwds: Any) -> None:
"""Initialize Tasmota light."""
self._supported_color_modes: set[str] | None = None
self._brightness: int | None = None
self._color_mode: str | None = None
self._color_temp: int | None = None
self._effect: str | None = None
self._white_value: int | None = None
self._flash_times = None
self._hs: tuple[float, float] | None = None
super().__init__(
**kwds,
)
self._setup_from_entity()
async def discovery_update(
self, update: TasmotaEntityConfig, write_state: bool = True
) -> None:
"""Handle updated discovery message."""
await super().discovery_update(update, write_state=False)
self._setup_from_entity()
self.async_write_ha_state()
def _setup_from_entity(self) -> None:
"""(Re)Setup the entity."""
self._supported_color_modes = set()
supported_features = LightEntityFeature(0)
light_type = self._tasmota_entity.light_type
if light_type in [LIGHT_TYPE_RGB, LIGHT_TYPE_RGBW, LIGHT_TYPE_RGBCW]:
# Mark HS support for RGBW light because we don't have direct
# control over the white channel, so the base component's RGB->RGBW
# translation does not work
self._supported_color_modes.add(ColorMode.HS)
self._color_mode = ColorMode.HS
if light_type == LIGHT_TYPE_RGBW:
self._supported_color_modes.add(ColorMode.WHITE)
if light_type in [LIGHT_TYPE_COLDWARM, LIGHT_TYPE_RGBCW]:
self._supported_color_modes.add(ColorMode.COLOR_TEMP)
self._color_mode = ColorMode.COLOR_TEMP
if light_type != LIGHT_TYPE_NONE and not self._supported_color_modes:
self._supported_color_modes.add(ColorMode.BRIGHTNESS)
self._color_mode = ColorMode.BRIGHTNESS
if not self._supported_color_modes:
self._supported_color_modes.add(ColorMode.ONOFF)
self._color_mode = ColorMode.ONOFF
if light_type in [LIGHT_TYPE_RGB, LIGHT_TYPE_RGBW, LIGHT_TYPE_RGBCW]:
supported_features |= LightEntityFeature.EFFECT
if self._tasmota_entity.supports_transition:
supported_features |= LightEntityFeature.TRANSITION
self._attr_supported_features = supported_features
@callback
def state_updated(self, state: bool, **kwargs: Any) -> None:
"""Handle state updates."""
self._on_off_state = state
if attributes := kwargs.get("attributes"):
if "brightness" in attributes:
brightness = float(attributes["brightness"])
percent_bright = brightness / TASMOTA_BRIGHTNESS_MAX
self._brightness = round(percent_bright * 255)
if "color_hs" in attributes:
self._hs = attributes["color_hs"]
if "color_temp" in attributes:
self._color_temp = attributes["color_temp"]
if "effect" in attributes:
self._effect = attributes["effect"]
if "white_value" in attributes:
white_value = float(attributes["white_value"])
percent_white = white_value / TASMOTA_BRIGHTNESS_MAX
self._white_value = round(percent_white * 255)
if self._tasmota_entity.light_type == LIGHT_TYPE_RGBW:
# Tasmota does not support RGBW mode, set mode to white or hs
if self._white_value == 0:
self._color_mode = ColorMode.HS
else:
self._color_mode = ColorMode.WHITE
elif self._tasmota_entity.light_type == LIGHT_TYPE_RGBCW:
# Tasmota does not support RGBWW mode, set mode to ct or hs
if self._white_value == 0:
self._color_mode = ColorMode.HS
else:
self._color_mode = ColorMode.COLOR_TEMP
self.async_write_ha_state()
@property
def brightness(self) -> int | None:
"""Return the brightness of this light between 0..255."""
return self._brightness
@property
def color_mode(self) -> str | None:
"""Return the color mode of the light."""
return self._color_mode
@property
def color_temp(self) -> int | None:
"""Return the color temperature in mired."""
return self._color_temp
@property
def min_mireds(self) -> int:
"""Return the coldest color_temp that this light supports."""
return self._tasmota_entity.min_mireds
@property
def max_mireds(self) -> int:
"""Return the warmest color_temp that this light supports."""
return self._tasmota_entity.max_mireds
@property
def effect(self) -> str | None:
"""Return the current effect."""
return self._effect
@property
def effect_list(self) -> list[str] | None:
"""Return the list of supported effects."""
return self._tasmota_entity.effect_list
@property
def hs_color(self) -> tuple[float, float] | None:
"""Return the hs color value."""
if self._hs is None:
return None
hs_color = self._hs
return (hs_color[0], hs_color[1])
@property
def supported_color_modes(self) -> set[str] | None:
"""Flag supported color modes."""
return self._supported_color_modes
async def async_turn_on(self, **kwargs: Any) -> None:
"""Turn the entity on."""
supported_color_modes = self._supported_color_modes or set()
attributes: dict[str, Any] = {}
if ATTR_HS_COLOR in kwargs and ColorMode.HS in supported_color_modes:
hs_color = kwargs[ATTR_HS_COLOR]
attributes["color_hs"] = [hs_color[0], hs_color[1]]
if ATTR_WHITE in kwargs and ColorMode.WHITE in supported_color_modes:
attributes["white_value"] = scale_brightness(kwargs[ATTR_WHITE])
if ATTR_TRANSITION in kwargs:
attributes["transition"] = kwargs[ATTR_TRANSITION]
if ATTR_BRIGHTNESS in kwargs and brightness_supported(supported_color_modes):
attributes["brightness"] = scale_brightness(kwargs[ATTR_BRIGHTNESS])
if ATTR_COLOR_TEMP in kwargs and ColorMode.COLOR_TEMP in supported_color_modes:
attributes["color_temp"] = int(kwargs[ATTR_COLOR_TEMP])
if ATTR_EFFECT in kwargs:
attributes["effect"] = kwargs[ATTR_EFFECT]
await self._tasmota_entity.set_state(True, attributes)
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn the entity off."""
attributes = {"state": "OFF"}
if ATTR_TRANSITION in kwargs:
attributes["transition"] = kwargs[ATTR_TRANSITION]
await self._tasmota_entity.set_state(False, attributes)