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56 lines
1.6 KiB
Python
56 lines
1.6 KiB
Python
"""Support for getting information from Arduino pins."""
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from __future__ import annotations
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA, SensorEntity
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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 = "analog"
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PIN_SCHEMA = vol.Schema({vol.Required(CONF_NAME): cv.string})
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{vol.Required(CONF_PINS): 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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sensors = []
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for pinnum, pin in pins.items():
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sensors.append(ArduinoSensor(pin.get(CONF_NAME), pinnum, CONF_TYPE, board))
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add_entities(sensors)
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class ArduinoSensor(SensorEntity):
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"""Representation of an Arduino Sensor."""
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def __init__(self, name, pin, pin_type, board):
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"""Initialize the sensor."""
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self._pin = pin
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self._attr_name = name
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board.set_mode(self._pin, "in", pin_type)
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self._board = board
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def update(self):
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"""Get the latest value from the pin."""
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self._attr_native_value = self._board.get_analog_inputs()[self._pin][1]
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