core/homeassistant/components/sensor/enocean.py

56 lines
1.5 KiB
Python

"""
Support for EnOcean sensors.
For more details about this platform, please refer to the documentation at
https://home-assistant.io/components/sensor.enocean/
"""
from homeassistant.const import CONF_NAME
from homeassistant.helpers.entity import Entity
from homeassistant.components import enocean
DEPENDENCIES = ["enocean"]
CONF_ID = "id"
def setup_platform(hass, config, add_devices, discovery_info=None):
"""Setup an EnOcean sensor device."""
dev_id = config.get(CONF_ID, None)
devname = config.get(CONF_NAME, None)
add_devices([EnOceanSensor(dev_id, devname)])
class EnOceanSensor(enocean.EnOceanDevice, Entity):
"""Representation of an EnOcean sensor device such as a power meter."""
def __init__(self, dev_id, devname):
"""Initialize the EnOcean sensor device."""
enocean.EnOceanDevice.__init__(self)
self.stype = "powersensor"
self.power = None
self.dev_id = dev_id
self.which = -1
self.onoff = -1
self.devname = devname
@property
def name(self):
"""Return the name of the device."""
return 'Power %s' % self.devname
def value_changed(self, value):
"""Update the internal state of the device."""
self.power = value
self.update_ha_state()
@property
def state(self):
"""Return the state of the device."""
return self.power
@property
def unit_of_measurement(self):
"""Return the unit of measurement."""
return "W"