98 lines
3.0 KiB
Python
98 lines
3.0 KiB
Python
"""Support for binary sensor using RPi GPIO."""
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from __future__ import annotations
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import logging
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from pi4ioe5v9xxxx import pi4ioe5v9xxxx
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import voluptuous as vol
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from homeassistant.components.binary_sensor import PLATFORM_SCHEMA, BinarySensorEntity
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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.typing import ConfigType, DiscoveryInfoType
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CONF_INVERT_LOGIC = "invert_logic"
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CONF_PINS = "pins"
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CONF_I2CBUS = "i2c_bus"
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CONF_I2CADDR = "i2c_address"
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CONF_BITS = "bits"
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DEFAULT_INVERT_LOGIC = False
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DEFAULT_BITS = 24
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DEFAULT_BUS = 1
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DEFAULT_ADDR = 0x20
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_SENSORS_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_PINS): _SENSORS_SCHEMA,
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vol.Optional(CONF_I2CBUS, default=DEFAULT_BUS): cv.positive_int,
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vol.Optional(CONF_I2CADDR, default=DEFAULT_ADDR): cv.positive_int,
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vol.Optional(CONF_BITS, default=DEFAULT_BITS): cv.positive_int,
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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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_LOGGER = logging.getLogger(__name__)
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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 IO expander devices."""
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_LOGGER.warning(
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"The pi4ioe5v9xxxx IO Expander integration is deprecated and will be removed "
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"in Home Assistant Core 2022.4; this integration is removed under "
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"Architectural Decision Record 0019, more information can be found here: "
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"https://github.com/home-assistant/architecture/blob/master/adr/0019-GPIO.md"
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)
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pins = config[CONF_PINS]
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binary_sensors = []
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pi4ioe5v9xxxx.setup(
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i2c_bus=config[CONF_I2CBUS],
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i2c_addr=config[CONF_I2CADDR],
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bits=config[CONF_BITS],
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read_mode=True,
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invert=False,
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)
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for pin_num, pin_name in pins.items():
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binary_sensors.append(
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Pi4ioe5v9BinarySensor(pin_name, pin_num, config[CONF_INVERT_LOGIC])
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)
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add_entities(binary_sensors, True)
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class Pi4ioe5v9BinarySensor(BinarySensorEntity):
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"""Represent a binary sensor that uses pi4ioe5v9xxxx IO expander in read mode."""
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def __init__(self, name, pin, invert_logic):
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"""Initialize the pi4ioe5v9xxxx sensor."""
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self._name = name or DEVICE_DEFAULT_NAME
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self._pin = pin
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self._invert_logic = invert_logic
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self._state = pi4ioe5v9xxxx.pin_from_memory(self._pin)
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@property
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def name(self):
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"""Return the name of the sensor."""
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return self._name
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@property
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def is_on(self):
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"""Return the state of the entity."""
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return self._state != self._invert_logic
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def update(self):
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"""Update the IO state."""
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pi4ioe5v9xxxx.hw_to_memory()
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self._state = pi4ioe5v9xxxx.pin_from_memory(self._pin)
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