core/homeassistant/components/bbb_gpio/switch.py

72 lines
2.2 KiB
Python

"""Allows to configure a switch using BeagleBone Black GPIO."""
import voluptuous as vol
from homeassistant.components import bbb_gpio
from homeassistant.components.switch import PLATFORM_SCHEMA
from homeassistant.const import CONF_NAME, DEVICE_DEFAULT_NAME
import homeassistant.helpers.config_validation as cv
from homeassistant.helpers.entity import ToggleEntity
CONF_PINS = "pins"
CONF_INITIAL = "initial"
CONF_INVERT_LOGIC = "invert_logic"
PIN_SCHEMA = vol.Schema(
{
vol.Required(CONF_NAME): cv.string,
vol.Optional(CONF_INITIAL, default=False): cv.boolean,
vol.Optional(CONF_INVERT_LOGIC, default=False): cv.boolean,
}
)
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{vol.Required(CONF_PINS, default={}): vol.Schema({cv.string: PIN_SCHEMA})}
)
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the BeagleBone Black GPIO devices."""
pins = config[CONF_PINS]
switches = []
for pin, params in pins.items():
switches.append(BBBGPIOSwitch(pin, params))
add_entities(switches)
class BBBGPIOSwitch(ToggleEntity):
"""Representation of a BeagleBone Black GPIO."""
_attr_should_poll = False
def __init__(self, pin, params):
"""Initialize the pin."""
self._pin = pin
self._attr_name = params[CONF_NAME] or DEVICE_DEFAULT_NAME
self._state = params[CONF_INITIAL]
self._invert_logic = params[CONF_INVERT_LOGIC]
bbb_gpio.setup_output(self._pin)
if self._state is False:
bbb_gpio.write_output(self._pin, 1 if self._invert_logic else 0)
else:
bbb_gpio.write_output(self._pin, 0 if self._invert_logic else 1)
@property
def is_on(self) -> bool:
"""Return true if device is on."""
return self._state
def turn_on(self, **kwargs):
"""Turn the device on."""
bbb_gpio.write_output(self._pin, 0 if self._invert_logic else 1)
self._state = True
self.schedule_update_ha_state()
def turn_off(self, **kwargs):
"""Turn the device off."""
bbb_gpio.write_output(self._pin, 1 if self._invert_logic else 0)
self._state = False
self.schedule_update_ha_state()