core/homeassistant/components/fibaro/light.py

206 lines
7.6 KiB
Python

"""Support for Fibaro lights."""
import logging
import asyncio
from functools import partial
from homeassistant.const import (
CONF_WHITE_VALUE)
from homeassistant.components.fibaro import (
FIBARO_DEVICES, FibaroDevice,
CONF_DIMMING, CONF_COLOR, CONF_RESET_COLOR)
from homeassistant.components.light import (
ATTR_BRIGHTNESS, ATTR_HS_COLOR, ATTR_WHITE_VALUE, ENTITY_ID_FORMAT,
SUPPORT_BRIGHTNESS, SUPPORT_COLOR, SUPPORT_WHITE_VALUE, Light)
import homeassistant.util.color as color_util
_LOGGER = logging.getLogger(__name__)
DEPENDENCIES = ['fibaro']
def scaleto255(value):
"""Scale the input value from 0-100 to 0-255."""
# Fibaro has a funny way of storing brightness either 0-100 or 0-99
# depending on device type (e.g. dimmer vs led)
if value > 98:
value = 100
return max(0, min(255, ((value * 255.0) / 100.0)))
def scaleto100(value):
"""Scale the input value from 0-255 to 0-100."""
# Make sure a low but non-zero value is not rounded down to zero
if 0 < value < 3:
return 1
return max(0, min(100, ((value * 100.0) / 255.0)))
async def async_setup_platform(hass,
config,
async_add_entities,
discovery_info=None):
"""Perform the setup for Fibaro controller devices."""
if discovery_info is None:
return
async_add_entities(
[FibaroLight(device)
for device in hass.data[FIBARO_DEVICES]['light']], True)
class FibaroLight(FibaroDevice, Light):
"""Representation of a Fibaro Light, including dimmable."""
def __init__(self, fibaro_device):
"""Initialize the light."""
self._brightness = None
self._color = (0, 0)
self._last_brightness = 0
self._supported_flags = 0
self._update_lock = asyncio.Lock()
self._white = 0
devconf = fibaro_device.device_config
self._reset_color = devconf.get(CONF_RESET_COLOR, False)
supports_color = 'color' in fibaro_device.properties and \
'setColor' in fibaro_device.actions
supports_dimming = 'levelChange' in fibaro_device.interfaces
supports_white_v = 'setW' in fibaro_device.actions
# Configuration can overrride default capability detection
if devconf.get(CONF_DIMMING, supports_dimming):
self._supported_flags |= SUPPORT_BRIGHTNESS
if devconf.get(CONF_COLOR, supports_color):
self._supported_flags |= SUPPORT_COLOR
if devconf.get(CONF_WHITE_VALUE, supports_white_v):
self._supported_flags |= SUPPORT_WHITE_VALUE
super().__init__(fibaro_device)
self.entity_id = ENTITY_ID_FORMAT.format(self.ha_id)
@property
def brightness(self):
"""Return the brightness of the light."""
return scaleto255(self._brightness)
@property
def hs_color(self):
"""Return the color of the light."""
return self._color
@property
def white_value(self):
"""Return the white value of this light between 0..255."""
return self._white
@property
def supported_features(self):
"""Flag supported features."""
return self._supported_flags
async def async_turn_on(self, **kwargs):
"""Turn the light on."""
async with self._update_lock:
await self.hass.async_add_executor_job(
partial(self._turn_on, **kwargs))
def _turn_on(self, **kwargs):
"""Really turn the light on."""
if self._supported_flags & SUPPORT_BRIGHTNESS:
target_brightness = kwargs.get(ATTR_BRIGHTNESS)
# No brightness specified, so we either restore it to
# last brightness or switch it on at maximum level
if target_brightness is None:
if self._brightness == 0:
if self._last_brightness:
self._brightness = self._last_brightness
else:
self._brightness = 100
else:
# We set it to the target brightness and turn it on
self._brightness = scaleto100(target_brightness)
if self._supported_flags & SUPPORT_COLOR:
if self._reset_color and \
kwargs.get(ATTR_WHITE_VALUE) is None and \
kwargs.get(ATTR_HS_COLOR) is None and \
kwargs.get(ATTR_BRIGHTNESS) is None:
self._color = (100, 0)
# Update based on parameters
self._white = kwargs.get(ATTR_WHITE_VALUE, self._white)
self._color = kwargs.get(ATTR_HS_COLOR, self._color)
rgb = color_util.color_hs_to_RGB(*self._color)
self.call_set_color(
round(rgb[0] * self._brightness / 100.0),
round(rgb[1] * self._brightness / 100.0),
round(rgb[2] * self._brightness / 100.0),
round(self._white * self._brightness / 100.0))
if self.state == 'off':
self.set_level(int(self._brightness))
return
if self._reset_color:
bri255 = scaleto255(self._brightness)
self.call_set_color(bri255, bri255, bri255, bri255)
if self._supported_flags & SUPPORT_BRIGHTNESS:
self.set_level(int(self._brightness))
return
# The simplest case is left for last. No dimming, just switch on
self.call_turn_on()
async def async_turn_off(self, **kwargs):
"""Turn the light off."""
async with self._update_lock:
await self.hass.async_add_executor_job(
partial(self._turn_off, **kwargs))
def _turn_off(self, **kwargs):
"""Really turn the light off."""
# Let's save the last brightness level before we switch it off
if (self._supported_flags & SUPPORT_BRIGHTNESS) and \
self._brightness and self._brightness > 0:
self._last_brightness = self._brightness
self._brightness = 0
self.call_turn_off()
@property
def is_on(self):
"""Return true if device is on."""
return self.current_binary_state
async def async_update(self):
"""Update the state."""
async with self._update_lock:
await self.hass.async_add_executor_job(self._update)
def _update(self):
"""Really update the state."""
# Brightness handling
if self._supported_flags & SUPPORT_BRIGHTNESS:
self._brightness = float(self.fibaro_device.properties.value)
# Fibaro might report 0-99 or 0-100 for brightness,
# based on device type, so we round up here
if self._brightness > 99:
self._brightness = 100
# Color handling
if self._supported_flags & SUPPORT_COLOR and \
'color' in self.fibaro_device.properties and \
',' in self.fibaro_device.properties.color:
# Fibaro communicates the color as an 'R, G, B, W' string
rgbw_s = self.fibaro_device.properties.color
if rgbw_s == '0,0,0,0' and\
'lastColorSet' in self.fibaro_device.properties:
rgbw_s = self.fibaro_device.properties.lastColorSet
rgbw_list = [int(i) for i in rgbw_s.split(",")][:4]
if rgbw_list[0] or rgbw_list[1] or rgbw_list[2]:
self._color = color_util.color_RGB_to_hs(*rgbw_list[:3])
if (self._supported_flags & SUPPORT_WHITE_VALUE) and \
self.brightness != 0:
self._white = min(255, max(0, rgbw_list[3]*100.0 /
self._brightness))