99 lines
2.9 KiB
Python
99 lines
2.9 KiB
Python
"""Support for Firmata light output."""
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from __future__ import annotations
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import logging
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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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LightEntity,
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)
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_MAXIMUM, CONF_MINIMUM, CONF_NAME, CONF_PIN
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from homeassistant.core import HomeAssistant
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from .board import FirmataPinType
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from .const import CONF_INITIAL_STATE, CONF_PIN_MODE, DOMAIN
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from .entity import FirmataPinEntity
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from .pin import FirmataBoardPin, FirmataPinUsedException, FirmataPWMOutput
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(
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hass: HomeAssistant, config_entry: ConfigEntry, async_add_entities
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) -> None:
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"""Set up the Firmata lights."""
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new_entities = []
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board = hass.data[DOMAIN][config_entry.entry_id]
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for light in board.lights:
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pin = light[CONF_PIN]
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pin_mode = light[CONF_PIN_MODE]
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initial = light[CONF_INITIAL_STATE]
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minimum = light[CONF_MINIMUM]
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maximum = light[CONF_MAXIMUM]
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api = FirmataPWMOutput(board, pin, pin_mode, initial, minimum, maximum)
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try:
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api.setup()
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except FirmataPinUsedException:
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_LOGGER.error(
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"Could not setup light on pin %s since pin already in use",
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light[CONF_PIN],
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)
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continue
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name = light[CONF_NAME]
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light_entity = FirmataLight(api, config_entry, name, pin)
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new_entities.append(light_entity)
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if new_entities:
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async_add_entities(new_entities)
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class FirmataLight(FirmataPinEntity, LightEntity):
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"""Representation of a light on a Firmata board."""
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def __init__(
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self,
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api: type[FirmataBoardPin],
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config_entry: ConfigEntry,
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name: str,
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pin: FirmataPinType,
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) -> None:
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"""Initialize the light pin entity."""
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super().__init__(api, config_entry, name, pin)
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# Default first turn on to max
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self._last_on_level = 255
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async def async_added_to_hass(self) -> None:
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"""Set up a light."""
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await self._api.start_pin()
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@property
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def is_on(self) -> bool:
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"""Return true if light is on."""
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return self._api.state > 0
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@property
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def brightness(self) -> int:
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"""Return the brightness of the light."""
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return self._api.state
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@property
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def supported_features(self) -> int:
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"""Flag supported features."""
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return SUPPORT_BRIGHTNESS
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async def async_turn_on(self, **kwargs) -> None:
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"""Turn on light."""
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level = kwargs.get(ATTR_BRIGHTNESS, self._last_on_level)
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await self._api.set_level(level)
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self.async_write_ha_state()
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self._last_on_level = level
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async def async_turn_off(self, **kwargs) -> None:
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"""Turn off light."""
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await self._api.set_level(0)
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self.async_write_ha_state()
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