95 lines
2.7 KiB
Python
95 lines
2.7 KiB
Python
"""
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Support for switching Arduino pins on and off.
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So far only digital pins are supported.
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For more details about this platform, please refer to the documentation at
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https://home-assistant.io/components/switch.arduino/
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"""
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import logging
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import voluptuous as vol
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import homeassistant.components.arduino as arduino
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from homeassistant.components.switch import (SwitchDevice, 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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DEPENDENCIES = ['arduino']
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_LOGGER = logging.getLogger(__name__)
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CONF_PINS = 'pins'
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CONF_TYPE = 'digital'
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CONF_NEGATE = 'negate'
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CONF_INITIAL = 'initial'
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PIN_SCHEMA = vol.Schema({
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vol.Required(CONF_NAME): cv.string,
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vol.Optional(CONF_INITIAL, default=False): cv.boolean,
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vol.Optional(CONF_NEGATE, default=False): cv.boolean,
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})
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
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vol.Required(CONF_PINS, default={}):
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vol.Schema({cv.positive_int: PIN_SCHEMA}),
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})
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def setup_platform(hass, config, add_devices, discovery_info=None):
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"""Set up the Arduino platform."""
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# Verify that Arduino board is present
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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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switches = []
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for pinnum, pin in pins.items():
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switches.append(ArduinoSwitch(pinnum, pin))
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add_devices(switches)
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class ArduinoSwitch(SwitchDevice):
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"""Representation of an Arduino switch."""
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def __init__(self, pin, options):
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"""Initialize the Pin."""
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self._pin = pin
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self._name = options.get(CONF_NAME)
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self.pin_type = CONF_TYPE
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self.direction = 'out'
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self._state = options.get(CONF_INITIAL)
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if options.get(CONF_NEGATE):
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self.turn_on_handler = arduino.BOARD.set_digital_out_low
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self.turn_off_handler = arduino.BOARD.set_digital_out_high
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else:
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self.turn_on_handler = arduino.BOARD.set_digital_out_high
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self.turn_off_handler = arduino.BOARD.set_digital_out_low
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arduino.BOARD.set_mode(self._pin, self.direction, self.pin_type)
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(self.turn_on_handler if self._state else self.turn_off_handler)(pin)
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@property
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def name(self):
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"""Get the name of the pin."""
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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 true if pin is high/on."""
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return self._state
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def turn_on(self):
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"""Turn the pin to high/on."""
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self._state = True
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self.turn_on_handler(self._pin)
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def turn_off(self):
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"""Turn the pin to low/off."""
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self._state = False
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self.turn_off_handler(self._pin)
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