mirror of https://github.com/home-assistant/core
110 lines
2.7 KiB
Python
110 lines
2.7 KiB
Python
"""Support for Sense Hat LEDs."""
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import logging
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import voluptuous as vol
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import homeassistant.helpers.config_validation as cv
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from homeassistant.components.light import (
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ATTR_BRIGHTNESS,
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SUPPORT_BRIGHTNESS,
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ATTR_HS_COLOR,
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SUPPORT_COLOR,
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Light,
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PLATFORM_SCHEMA,
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)
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from homeassistant.const import CONF_NAME
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import homeassistant.util.color as color_util
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_LOGGER = logging.getLogger(__name__)
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SUPPORT_SENSEHAT = SUPPORT_BRIGHTNESS | SUPPORT_COLOR
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DEFAULT_NAME = "sensehat"
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string}
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)
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def setup_platform(hass, config, add_entities, discovery_info=None):
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"""Set up the Sense Hat Light platform."""
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from sense_hat import SenseHat
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sensehat = SenseHat()
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name = config.get(CONF_NAME)
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add_entities([SenseHatLight(sensehat, name)])
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class SenseHatLight(Light):
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"""Representation of an Sense Hat Light."""
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def __init__(self, sensehat, name):
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"""Initialize an Sense Hat Light.
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Full brightness and white color.
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"""
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self._sensehat = sensehat
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self._name = name
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self._is_on = False
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self._brightness = 255
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self._hs_color = [0, 0]
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@property
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def name(self):
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"""Return the display name of this light."""
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return self._name
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@property
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def brightness(self):
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"""Read back the brightness of the light."""
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return self._brightness
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@property
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def hs_color(self):
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"""Read back the color of the light."""
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return self._hs_color
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@property
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def supported_features(self):
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"""Flag supported features."""
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return SUPPORT_SENSEHAT
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@property
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def is_on(self):
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"""Return true if light is on."""
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return self._is_on
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@property
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def should_poll(self):
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"""Return if we should poll this device."""
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return False
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@property
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def assumed_state(self) -> bool:
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"""Return True if unable to access real state of the entity."""
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return True
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def turn_on(self, **kwargs):
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"""Instruct the light to turn on and set correct brightness & color."""
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if ATTR_BRIGHTNESS in kwargs:
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self._brightness = kwargs[ATTR_BRIGHTNESS]
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if ATTR_HS_COLOR in kwargs:
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self._hs_color = kwargs[ATTR_HS_COLOR]
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rgb = color_util.color_hsv_to_RGB(
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self._hs_color[0], self._hs_color[1], self._brightness / 255 * 100
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)
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self._sensehat.clear(*rgb)
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self._is_on = True
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self.schedule_update_ha_state()
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def turn_off(self, **kwargs):
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"""Instruct the light to turn off."""
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self._sensehat.clear()
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self._is_on = False
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self.schedule_update_ha_state()
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