core/homeassistant/components/zwave_js/light.py

382 lines
14 KiB
Python

"""Support for Z-Wave lights."""
from __future__ import annotations
import logging
from typing import Any, Callable
from zwave_js_server.client import Client as ZwaveClient
from zwave_js_server.const import ColorComponent, CommandClass
from homeassistant.components.light import (
ATTR_BRIGHTNESS,
ATTR_COLOR_TEMP,
ATTR_HS_COLOR,
ATTR_TRANSITION,
ATTR_WHITE_VALUE,
DOMAIN as LIGHT_DOMAIN,
SUPPORT_BRIGHTNESS,
SUPPORT_COLOR,
SUPPORT_COLOR_TEMP,
SUPPORT_TRANSITION,
SUPPORT_WHITE_VALUE,
LightEntity,
)
from homeassistant.config_entries import ConfigEntry
from homeassistant.core import HomeAssistant, callback
from homeassistant.helpers.dispatcher import async_dispatcher_connect
import homeassistant.util.color as color_util
from .const import DATA_CLIENT, DATA_UNSUBSCRIBE, DOMAIN
from .discovery import ZwaveDiscoveryInfo
from .entity import ZWaveBaseEntity
LOGGER = logging.getLogger(__name__)
MULTI_COLOR_MAP = {
ColorComponent.WARM_WHITE: "warmWhite",
ColorComponent.COLD_WHITE: "coldWhite",
ColorComponent.RED: "red",
ColorComponent.GREEN: "green",
ColorComponent.BLUE: "blue",
ColorComponent.AMBER: "amber",
ColorComponent.CYAN: "cyan",
ColorComponent.PURPLE: "purple",
}
async def async_setup_entry(
hass: HomeAssistant, config_entry: ConfigEntry, async_add_entities: Callable
) -> None:
"""Set up Z-Wave Light from Config Entry."""
client: ZwaveClient = hass.data[DOMAIN][config_entry.entry_id][DATA_CLIENT]
@callback
def async_add_light(info: ZwaveDiscoveryInfo) -> None:
"""Add Z-Wave Light."""
light = ZwaveLight(config_entry, client, info)
async_add_entities([light])
hass.data[DOMAIN][config_entry.entry_id][DATA_UNSUBSCRIBE].append(
async_dispatcher_connect(
hass,
f"{DOMAIN}_{config_entry.entry_id}_add_{LIGHT_DOMAIN}",
async_add_light,
)
)
def byte_to_zwave_brightness(value: int) -> int:
"""Convert brightness in 0-255 scale to 0-99 scale.
`value` -- (int) Brightness byte value from 0-255.
"""
if value > 0:
return max(1, round((value / 255) * 99))
return 0
class ZwaveLight(ZWaveBaseEntity, LightEntity):
"""Representation of a Z-Wave light."""
def __init__(
self, config_entry: ConfigEntry, client: ZwaveClient, info: ZwaveDiscoveryInfo
) -> None:
"""Initialize the light."""
super().__init__(config_entry, client, info)
self._supports_color = False
self._supports_white_value = False
self._supports_color_temp = False
self._hs_color: tuple[float, float] | None = None
self._white_value: int | None = None
self._color_temp: int | None = None
self._min_mireds = 153 # 6500K as a safe default
self._max_mireds = 370 # 2700K as a safe default
self._supported_features = SUPPORT_BRIGHTNESS
# get additional (optional) values and set features
self._target_value = self.get_zwave_value("targetValue")
self._dimming_duration = self.get_zwave_value("duration")
if self._dimming_duration is not None:
self._supported_features |= SUPPORT_TRANSITION
self._calculate_color_values()
if self._supports_color:
self._supported_features |= SUPPORT_COLOR
if self._supports_color_temp:
self._supported_features |= SUPPORT_COLOR_TEMP
if self._supports_white_value:
self._supported_features |= SUPPORT_WHITE_VALUE
@callback
def on_value_update(self) -> None:
"""Call when a watched value is added or updated."""
self._calculate_color_values()
@property
def brightness(self) -> int:
"""Return the brightness of this light between 0..255.
Z-Wave multilevel switches use a range of [0, 99] to control brightness.
"""
if self.info.primary_value.value is not None:
return round((self.info.primary_value.value / 99) * 255)
return 0
@property
def is_on(self) -> bool:
"""Return true if device is on (brightness above 0)."""
return self.brightness > 0
@property
def hs_color(self) -> tuple[float, float] | None:
"""Return the hs color."""
return self._hs_color
@property
def white_value(self) -> int | None:
"""Return the white value of this light between 0..255."""
return self._white_value
@property
def color_temp(self) -> int | None:
"""Return the color temperature."""
return self._color_temp
@property
def min_mireds(self) -> int:
"""Return the coldest color_temp that this light supports."""
return self._min_mireds
@property
def max_mireds(self) -> int:
"""Return the warmest color_temp that this light supports."""
return self._max_mireds
@property
def supported_features(self) -> int:
"""Flag supported features."""
return self._supported_features
async def async_turn_on(self, **kwargs: Any) -> None:
"""Turn the device on."""
# RGB/HS color
hs_color = kwargs.get(ATTR_HS_COLOR)
if hs_color is not None and self._supports_color:
red, green, blue = color_util.color_hs_to_RGB(*hs_color)
colors = {
ColorComponent.RED: red,
ColorComponent.GREEN: green,
ColorComponent.BLUE: blue,
}
if self._supports_color_temp:
# turn of white leds when setting rgb
colors[ColorComponent.WARM_WHITE] = 0
colors[ColorComponent.COLD_WHITE] = 0
await self._async_set_colors(colors)
# Color temperature
color_temp = kwargs.get(ATTR_COLOR_TEMP)
if color_temp is not None and self._supports_color_temp:
# Limit color temp to min/max values
cold = max(
0,
min(
255,
round(
(self._max_mireds - color_temp)
/ (self._max_mireds - self._min_mireds)
* 255
),
),
)
warm = 255 - cold
await self._async_set_colors(
{
# turn off color leds when setting color temperature
ColorComponent.RED: 0,
ColorComponent.GREEN: 0,
ColorComponent.BLUE: 0,
ColorComponent.WARM_WHITE: warm,
ColorComponent.COLD_WHITE: cold,
}
)
# White value
white_value = kwargs.get(ATTR_WHITE_VALUE)
if white_value is not None and self._supports_white_value:
# white led brightness is controlled by white level
# rgb leds (if any) can be on at the same time
await self._async_set_colors(
{
ColorComponent.WARM_WHITE: white_value,
ColorComponent.COLD_WHITE: white_value,
}
)
# set brightness
await self._async_set_brightness(
kwargs.get(ATTR_BRIGHTNESS), kwargs.get(ATTR_TRANSITION)
)
async def async_turn_off(self, **kwargs: Any) -> None:
"""Turn the light off."""
await self._async_set_brightness(0, kwargs.get(ATTR_TRANSITION))
async def _async_set_colors(self, colors: dict[ColorComponent, int]) -> None:
"""Set (multiple) defined colors to given value(s)."""
# prefer the (new) combined color property
# https://github.com/zwave-js/node-zwave-js/pull/1782
combined_color_val = self.get_zwave_value(
"targetColor",
CommandClass.SWITCH_COLOR,
value_property_key=None,
)
if combined_color_val and isinstance(combined_color_val.value, dict):
colors_dict = {}
for color, value in colors.items():
color_name = MULTI_COLOR_MAP[color]
colors_dict[color_name] = value
# set updated color object
await self.info.node.async_set_value(combined_color_val, colors_dict)
return
# fallback to setting the color(s) one by one if multicolor fails
# not sure this is needed at all, but just in case
for color, value in colors.items():
await self._async_set_color(color, value)
async def _async_set_color(self, color: ColorComponent, new_value: int) -> None:
"""Set defined color to given value."""
# actually set the new color value
target_zwave_value = self.get_zwave_value(
"targetColor",
CommandClass.SWITCH_COLOR,
value_property_key=color.value,
)
if target_zwave_value is None:
# guard for unsupported color
return
await self.info.node.async_set_value(target_zwave_value, new_value)
async def _async_set_brightness(
self, brightness: int | None, transition: int | None = None
) -> None:
"""Set new brightness to light."""
if brightness is None:
# Level 255 means to set it to previous value.
zwave_brightness = 255
else:
# Zwave multilevel switches use a range of [0, 99] to control brightness.
zwave_brightness = byte_to_zwave_brightness(brightness)
# set transition value before sending new brightness
await self._async_set_transition_duration(transition)
# setting a value requires setting targetValue
await self.info.node.async_set_value(self._target_value, zwave_brightness)
async def _async_set_transition_duration(self, duration: int | None = None) -> None:
"""Set the transition time for the brightness value."""
if self._dimming_duration is None:
return
# pylint: disable=fixme,unreachable
# TODO: setting duration needs to be fixed upstream
# https://github.com/zwave-js/node-zwave-js/issues/1321
return
if duration is None: # type: ignore
# no transition specified by user, use defaults
duration = 7621 # anything over 7620 uses the factory default
else: # pragma: no cover
# transition specified by user
transition = duration
if transition <= 127:
duration = transition
else:
minutes = round(transition / 60)
LOGGER.debug(
"Transition rounded to %d minutes for %s",
minutes,
self.entity_id,
)
duration = minutes + 128
# only send value if it differs from current
# this prevents sending a command for nothing
if self._dimming_duration.value != duration: # pragma: no cover
await self.info.node.async_set_value(self._dimming_duration, duration)
@callback
def _calculate_color_values(self) -> None:
"""Calculate light colors."""
# NOTE: We lookup all values here (instead of relying on the multicolor one)
# to find out what colors are supported
# as this is a simple lookup by key, this not heavy
red_val = self.get_zwave_value(
"currentColor",
CommandClass.SWITCH_COLOR,
value_property_key=ColorComponent.RED.value,
)
green_val = self.get_zwave_value(
"currentColor",
CommandClass.SWITCH_COLOR,
value_property_key=ColorComponent.GREEN.value,
)
blue_val = self.get_zwave_value(
"currentColor",
CommandClass.SWITCH_COLOR,
value_property_key=ColorComponent.BLUE.value,
)
ww_val = self.get_zwave_value(
"currentColor",
CommandClass.SWITCH_COLOR,
value_property_key=ColorComponent.WARM_WHITE.value,
)
cw_val = self.get_zwave_value(
"currentColor",
CommandClass.SWITCH_COLOR,
value_property_key=ColorComponent.COLD_WHITE.value,
)
# prefer the (new) combined color property
# https://github.com/zwave-js/node-zwave-js/pull/1782
combined_color_val = self.get_zwave_value(
"currentColor",
CommandClass.SWITCH_COLOR,
value_property_key=None,
)
if combined_color_val and isinstance(combined_color_val.value, dict):
multi_color = combined_color_val.value
else:
multi_color = {}
# RGB support
if red_val and green_val and blue_val:
# prefer values from the multicolor property
red = multi_color.get("red", red_val.value)
green = multi_color.get("green", green_val.value)
blue = multi_color.get("blue", blue_val.value)
self._supports_color = True
# convert to HS
self._hs_color = color_util.color_RGB_to_hs(red, green, blue)
# color temperature support
if ww_val and cw_val:
self._supports_color_temp = True
warm_white = multi_color.get("warmWhite", ww_val.value)
cold_white = multi_color.get("coldWhite", cw_val.value)
# Calculate color temps based on whites
if cold_white or warm_white:
self._color_temp = round(
self._max_mireds
- ((cold_white / 255) * (self._max_mireds - self._min_mireds))
)
else:
self._color_temp = None
# only one white channel (warm white) = white_level support
elif ww_val:
self._supports_white_value = True
self._white_value = multi_color.get("warmWhite", ww_val.value)
# only one white channel (cool white) = white_level support
elif cw_val:
self._supports_white_value = True
self._white_value = multi_color.get("coldWhite", cw_val.value)