mirror of
https://github.com/home-assistant/core
synced 2024-08-02 23:40:32 +02:00
89 lines
2.6 KiB
Python
89 lines
2.6 KiB
Python
"""Allows to configure a switch using RPi GPIO."""
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from __future__ import annotations
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import voluptuous as vol
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from homeassistant.components import rpi_gpio
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from homeassistant.components.switch import PLATFORM_SCHEMA, SwitchEntity
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from homeassistant.const import DEVICE_DEFAULT_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.reload import setup_reload_service
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from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
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from . import DOMAIN, PLATFORMS
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CONF_PULL_MODE = "pull_mode"
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CONF_PORTS = "ports"
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CONF_INVERT_LOGIC = "invert_logic"
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DEFAULT_INVERT_LOGIC = False
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_SWITCHES_SCHEMA = vol.Schema({cv.positive_int: cv.string})
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Required(CONF_PORTS): _SWITCHES_SCHEMA,
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vol.Optional(CONF_INVERT_LOGIC, default=DEFAULT_INVERT_LOGIC): cv.boolean,
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}
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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 Raspberry PI GPIO devices."""
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setup_reload_service(hass, DOMAIN, PLATFORMS)
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invert_logic = config[CONF_INVERT_LOGIC]
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switches = []
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ports = config[CONF_PORTS]
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for port, name in ports.items():
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switches.append(RPiGPIOSwitch(name, port, invert_logic))
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add_entities(switches)
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class RPiGPIOSwitch(SwitchEntity):
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"""Representation of a Raspberry Pi GPIO."""
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def __init__(self, name, port, invert_logic):
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"""Initialize the pin."""
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self._name = name or DEVICE_DEFAULT_NAME
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self._port = port
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self._invert_logic = invert_logic
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self._state = False
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rpi_gpio.setup_output(self._port)
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rpi_gpio.write_output(self._port, 1 if self._invert_logic else 0)
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@property
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def name(self):
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"""Return the name of the switch."""
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return self._name
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@property
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def should_poll(self):
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"""No polling needed."""
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return False
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@property
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def is_on(self):
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"""Return true if device is on."""
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return self._state
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def turn_on(self, **kwargs):
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"""Turn the device on."""
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rpi_gpio.write_output(self._port, 0 if self._invert_logic else 1)
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self._state = True
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self.schedule_update_ha_state()
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def turn_off(self, **kwargs):
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"""Turn the device off."""
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rpi_gpio.write_output(self._port, 1 if self._invert_logic else 0)
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self._state = False
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self.schedule_update_ha_state()
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