core/homeassistant/components/remote_rpi_gpio/switch.py

94 lines
2.6 KiB
Python

"""Allows to configure a switch using RPi GPIO."""
from __future__ import annotations
from typing import Any
import voluptuous as vol
from homeassistant.components.switch import (
PLATFORM_SCHEMA as SWITCH_PLATFORM_SCHEMA,
SwitchEntity,
)
from homeassistant.const import CONF_HOST, DEVICE_DEFAULT_NAME
from homeassistant.core import HomeAssistant
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity_platform import AddEntitiesCallback
from homeassistant.helpers.typing import ConfigType, DiscoveryInfoType
from . import CONF_INVERT_LOGIC, DEFAULT_INVERT_LOGIC, setup_output, write_output
CONF_PORTS = "ports"
_SENSORS_SCHEMA = vol.Schema({cv.positive_int: cv.string})
PLATFORM_SCHEMA = SWITCH_PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_HOST): cv.string,
vol.Required(CONF_PORTS): _SENSORS_SCHEMA,
vol.Optional(CONF_INVERT_LOGIC, default=DEFAULT_INVERT_LOGIC): cv.boolean,
}
)
def setup_platform(
hass: HomeAssistant,
config: ConfigType,
add_entities: AddEntitiesCallback,
discovery_info: DiscoveryInfoType | None = None,
) -> None:
"""Set up the Remote Raspberry PI GPIO devices."""
address = config[CONF_HOST]
invert_logic = config[CONF_INVERT_LOGIC]
ports = config[CONF_PORTS]
devices = []
for port, name in ports.items():
try:
led = setup_output(address, port, invert_logic)
except (ValueError, IndexError, KeyError, OSError):
return
new_switch = RemoteRPiGPIOSwitch(name, led)
devices.append(new_switch)
add_entities(devices)
class RemoteRPiGPIOSwitch(SwitchEntity):
"""Representation of a Remote Raspberry Pi GPIO."""
_attr_should_poll = False
def __init__(self, name, led):
"""Initialize the pin."""
self._name = name or DEVICE_DEFAULT_NAME
self._state = False
self._switch = led
@property
def name(self):
"""Return the name of the switch."""
return self._name
@property
def assumed_state(self):
"""If unable to access real state of the entity."""
return True
@property
def is_on(self):
"""Return true if device is on."""
return self._state
def turn_on(self, **kwargs: Any) -> None:
"""Turn the device on."""
write_output(self._switch, 1)
self._state = True
self.schedule_update_ha_state()
def turn_off(self, **kwargs: Any) -> None:
"""Turn the device off."""
write_output(self._switch, 0)
self._state = False
self.schedule_update_ha_state()