64 lines
1.7 KiB
Python
64 lines
1.7 KiB
Python
"""Support for getting information from Arduino pins."""
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import logging
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import voluptuous as vol
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from homeassistant.components import arduino
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import CONF_NAME
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import homeassistant.helpers.config_validation as cv
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from homeassistant.helpers.entity import Entity
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_LOGGER = logging.getLogger(__name__)
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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(hass, config, add_entities, discovery_info=None):
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"""Set up the Arduino platform."""
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if arduino.BOARD is None:
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_LOGGER.error("A connection has not been made to the Arduino board")
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return False
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pins = config.get(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))
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add_entities(sensors)
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class ArduinoSensor(Entity):
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"""Representation of an Arduino Sensor."""
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def __init__(self, name, pin, pin_type):
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"""Initialize the sensor."""
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self._pin = pin
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self._name = name
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self.pin_type = pin_type
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self.direction = "in"
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self._value = None
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arduino.BOARD.set_mode(self._pin, self.direction, self.pin_type)
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@property
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def state(self):
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"""Return the state of the sensor."""
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return self._value
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@property
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def name(self):
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"""Get the name of the sensor."""
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return self._name
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def update(self):
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"""Get the latest value from the pin."""
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self._value = arduino.BOARD.get_analog_inputs()[self._pin][1]
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