115 lines
3.4 KiB
Python
115 lines
3.4 KiB
Python
"""Support for KNX/IP sensors."""
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import voluptuous as vol
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from homeassistant.components.sensor import PLATFORM_SCHEMA
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from homeassistant.const import CONF_NAME, CONF_TYPE
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from homeassistant.core import callback
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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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from . import ATTR_DISCOVER_DEVICES, DATA_KNX
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CONF_STATE_ADDRESS = "state_address"
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CONF_SYNC_STATE = "sync_state"
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DEFAULT_NAME = "KNX Sensor"
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PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
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{
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vol.Optional(CONF_NAME, default=DEFAULT_NAME): cv.string,
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vol.Optional(CONF_SYNC_STATE, default=True): cv.boolean,
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vol.Required(CONF_STATE_ADDRESS): cv.string,
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vol.Required(CONF_TYPE): cv.string,
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}
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)
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Set up sensor(s) for KNX platform."""
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if discovery_info is not None:
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async_add_entities_discovery(hass, discovery_info, async_add_entities)
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else:
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async_add_entities_config(hass, config, async_add_entities)
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@callback
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def async_add_entities_discovery(hass, discovery_info, async_add_entities):
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"""Set up sensors for KNX platform configured via xknx.yaml."""
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entities = []
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for device_name in discovery_info[ATTR_DISCOVER_DEVICES]:
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device = hass.data[DATA_KNX].xknx.devices[device_name]
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entities.append(KNXSensor(device))
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async_add_entities(entities)
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@callback
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def async_add_entities_config(hass, config, async_add_entities):
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"""Set up sensor for KNX platform configured within platform."""
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import xknx
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sensor = xknx.devices.Sensor(
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hass.data[DATA_KNX].xknx,
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name=config[CONF_NAME],
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group_address_state=config[CONF_STATE_ADDRESS],
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sync_state=config[CONF_SYNC_STATE],
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value_type=config[CONF_TYPE],
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)
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hass.data[DATA_KNX].xknx.devices.add(sensor)
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async_add_entities([KNXSensor(sensor)])
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class KNXSensor(Entity):
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"""Representation of a KNX sensor."""
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def __init__(self, device):
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"""Initialize of a KNX sensor."""
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self.device = device
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@callback
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def async_register_callbacks(self):
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"""Register callbacks to update hass after device was changed."""
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async def after_update_callback(device):
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"""Call after device was updated."""
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await self.async_update_ha_state()
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self.device.register_device_updated_cb(after_update_callback)
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async def async_added_to_hass(self):
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"""Store register state change callback."""
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self.async_register_callbacks()
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@property
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def name(self):
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"""Return the name of the KNX device."""
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return self.device.name
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@property
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def available(self):
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"""Return True if entity is available."""
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return self.hass.data[DATA_KNX].connected
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@property
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def should_poll(self):
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"""No polling needed within KNX."""
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return False
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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.device.resolve_state()
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@property
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def unit_of_measurement(self):
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"""Return the unit this state is expressed in."""
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return self.device.unit_of_measurement()
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@property
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def device_class(self):
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"""Return the device class of the sensor."""
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return self.device.ha_device_class()
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@property
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def device_state_attributes(self):
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"""Return the state attributes."""
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return None
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