core/homeassistant/components/velbus/sensor.py

39 lines
1.1 KiB
Python

"""Support for Velbus sensors."""
import logging
from . import DOMAIN as VELBUS_DOMAIN, VelbusEntity
_LOGGER = logging.getLogger(__name__)
async def async_setup_platform(
hass, config, async_add_entities, discovery_info=None):
"""Set up the Velbus temp sensor platform."""
if discovery_info is None:
return
sensors = []
for sensor in discovery_info:
module = hass.data[VELBUS_DOMAIN].get_module(sensor[0])
channel = sensor[1]
sensors.append(VelbusSensor(module, channel))
async_add_entities(sensors)
class VelbusSensor(VelbusEntity):
"""Representation of a sensor."""
@property
def device_class(self):
"""Return the device class of the sensor."""
return self._module.get_class(self._channel)
@property
def state(self):
"""Return the state of the sensor."""
return self._module.get_state(self._channel)
@property
def unit_of_measurement(self):
"""Return the unit this state is expressed in."""
return self._module.get_unit(self._channel)