78 lines
2.3 KiB
Python
78 lines
2.3 KiB
Python
"""Support for switching Arduino pins on and off."""
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from __future__ import annotations
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import voluptuous as vol
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from homeassistant.components.switch import PLATFORM_SCHEMA, SwitchEntity
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from homeassistant.const import CONF_NAME
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from homeassistant.core import HomeAssistant
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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from . import DOMAIN
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CONF_PINS = "pins"
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CONF_TYPE = "digital"
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CONF_NEGATE = "negate"
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CONF_INITIAL = "initial"
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PIN_SCHEMA = vol.Schema(
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{
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vol.Required(CONF_NAME): cv.string,
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vol.Optional(CONF_INITIAL, default=False): cv.boolean,
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vol.Optional(CONF_NEGATE, default=False): cv.boolean,
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}
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)
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{vol.Required(CONF_PINS, default={}): vol.Schema({cv.positive_int: PIN_SCHEMA})}
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)
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def setup_platform(
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hass: HomeAssistant,
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config: ConfigType,
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add_entities: AddEntitiesCallback,
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discovery_info: DiscoveryInfoType | None = None,
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) -> None:
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"""Set up the Arduino platform."""
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board = hass.data[DOMAIN]
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pins = config[CONF_PINS]
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switches = []
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for pinnum, pin in pins.items():
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switches.append(ArduinoSwitch(pinnum, pin, board))
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add_entities(switches)
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class ArduinoSwitch(SwitchEntity):
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"""Representation of an Arduino switch."""
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def __init__(self, pin, options, board):
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"""Initialize the Pin."""
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self._pin = pin
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self._attr_name = options[CONF_NAME]
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self._attr_is_on = options[CONF_INITIAL]
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if options[CONF_NEGATE]:
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self.turn_on_handler = board.set_digital_out_low
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self.turn_off_handler = board.set_digital_out_high
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else:
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self.turn_on_handler = board.set_digital_out_high
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self.turn_off_handler = board.set_digital_out_low
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board.set_mode(pin, "out", CONF_TYPE)
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(self.turn_on_handler if self.is_on else self.turn_off_handler)(pin)
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def turn_on(self, **kwargs):
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"""Turn the pin to high/on."""
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self._attr_is_on = True
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self.turn_on_handler(self._pin)
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def turn_off(self, **kwargs):
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"""Turn the pin to low/off."""
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self._attr_is_on = False
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self.turn_off_handler(self._pin)
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