61 lines
1.9 KiB
Python
61 lines
1.9 KiB
Python
"""Support for Firmata sensor input."""
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import logging
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from homeassistant.components.sensor import SensorEntity
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.const import CONF_NAME, CONF_PIN
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from homeassistant.core import HomeAssistant
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from .const import CONF_DIFFERENTIAL, CONF_PIN_MODE, DOMAIN
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from .entity import FirmataPinEntity
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from .pin import FirmataAnalogInput, FirmataPinUsedException
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(
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hass: HomeAssistant,
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config_entry: ConfigEntry,
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async_add_entities: AddEntitiesCallback,
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) -> None:
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"""Set up the Firmata sensors."""
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new_entities = []
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board = hass.data[DOMAIN][config_entry.entry_id]
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for sensor in board.sensors:
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pin = sensor[CONF_PIN]
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pin_mode = sensor[CONF_PIN_MODE]
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differential = sensor[CONF_DIFFERENTIAL]
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api = FirmataAnalogInput(board, pin, pin_mode, differential)
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try:
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api.setup()
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except FirmataPinUsedException:
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_LOGGER.error(
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"Could not setup sensor on pin %s since pin already in use",
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sensor[CONF_PIN],
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)
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continue
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name = sensor[CONF_NAME]
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sensor_entity = FirmataSensor(api, config_entry, name, pin)
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new_entities.append(sensor_entity)
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async_add_entities(new_entities)
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class FirmataSensor(FirmataPinEntity, SensorEntity):
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"""Representation of a sensor on a Firmata board."""
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async def async_added_to_hass(self) -> None:
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"""Set up a sensor."""
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await self._api.start_pin(self.async_write_ha_state)
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async def async_will_remove_from_hass(self) -> None:
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"""Stop reporting a sensor."""
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await self._api.stop_pin()
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@property
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def native_value(self) -> int:
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"""Return sensor state."""
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return self._api.state
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