core/homeassistant/components/binary_sensor/ads.py

85 lines
2.5 KiB
Python

"""
Support for ADS binary sensors.
For more details about this platform, please refer to the documentation.
https://home-assistant.io/components/binary_sensor.ads/
"""
import asyncio
import logging
import voluptuous as vol
from homeassistant.components.ads import CONF_ADS_VAR, DATA_ADS
from homeassistant.components.binary_sensor import (
DEVICE_CLASSES_SCHEMA, PLATFORM_SCHEMA, BinarySensorDevice)
from homeassistant.const import CONF_DEVICE_CLASS, CONF_NAME
import homeassistant.helpers.config_validation as cv
_LOGGER = logging.getLogger(__name__)
DEFAULT_NAME = 'ADS binary sensor'
DEPENDENCIES = ['ads']
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({
vol.Required(CONF_ADS_VAR): cv.string,
vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
vol.Optional(CONF_DEVICE_CLASS): DEVICE_CLASSES_SCHEMA,
})
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Set up the Binary Sensor platform for ADS."""
ads_hub = hass.data.get(DATA_ADS)
ads_var = config.get(CONF_ADS_VAR)
name = config.get(CONF_NAME)
device_class = config.get(CONF_DEVICE_CLASS)
ads_sensor = AdsBinarySensor(ads_hub, name, ads_var, device_class)
add_devices([ads_sensor])
class AdsBinarySensor(BinarySensorDevice):
"""Representation of ADS binary sensors."""
def __init__(self, ads_hub, name, ads_var, device_class):
"""Initialize ADS binary sensor."""
self._name = name
self._state = False
self._device_class = device_class or 'moving'
self._ads_hub = ads_hub
self.ads_var = ads_var
@asyncio.coroutine
def async_added_to_hass(self):
"""Register device notification."""
def update(name, value):
"""Handle device notifications."""
_LOGGER.debug('Variable %s changed its value to %d', name, value)
self._state = value
self.schedule_update_ha_state()
self.hass.async_add_job(
self._ads_hub.add_device_notification,
self.ads_var, self._ads_hub.PLCTYPE_BOOL, update)
@property
def name(self):
"""Return the default name of the binary sensor."""
return self._name
@property
def device_class(self):
"""Return the device class."""
return self._device_class
@property
def is_on(self):
"""Return if the binary sensor is on."""
return self._state
@property
def should_poll(self):
"""Return False because entity pushes its state to HA."""
return False