core/homeassistant/components/arduino/switch.py

69 lines
2.0 KiB
Python

"""Support for switching Arduino pins on and off."""
import voluptuous as vol
from homeassistant.components.switch import PLATFORM_SCHEMA, SwitchEntity
from homeassistant.const import CONF_NAME
import homeassistant.helpers.config_validation as cv
from . import DOMAIN
CONF_PINS = "pins"
CONF_TYPE = "digital"
CONF_NEGATE = "negate"
CONF_INITIAL = "initial"
PIN_SCHEMA = vol.Schema(
{
vol.Required(CONF_NAME): cv.string,
vol.Optional(CONF_INITIAL, default=False): cv.boolean,
vol.Optional(CONF_NEGATE, default=False): cv.boolean,
}
)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{vol.Required(CONF_PINS, default={}): vol.Schema({cv.positive_int: PIN_SCHEMA})}
)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the Arduino platform."""
board = hass.data[DOMAIN]
pins = config[CONF_PINS]
switches = []
for pinnum, pin in pins.items():
switches.append(ArduinoSwitch(pinnum, pin, board))
add_entities(switches)
class ArduinoSwitch(SwitchEntity):
"""Representation of an Arduino switch."""
def __init__(self, pin, options, board):
"""Initialize the Pin."""
self._pin = pin
self._attr_name = options[CONF_NAME]
self._attr_is_on = options[CONF_INITIAL]
if options[CONF_NEGATE]:
self.turn_on_handler = board.set_digital_out_low
self.turn_off_handler = board.set_digital_out_high
else:
self.turn_on_handler = board.set_digital_out_high
self.turn_off_handler = board.set_digital_out_low
board.set_mode(pin, "out", CONF_TYPE)
(self.turn_on_handler if self.is_on else self.turn_off_handler)(pin)
def turn_on(self, **kwargs):
"""Turn the pin to high/on."""
self._attr_is_on = True
self.turn_on_handler(self._pin)
def turn_off(self, **kwargs):
"""Turn the pin to low/off."""
self._attr_is_on = False
self.turn_off_handler(self._pin)