49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
"""Support for LightwaveRF TRV - Associated Battery."""
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from homeassistant.components.sensor import (
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SensorDeviceClass,
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SensorEntity,
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SensorStateClass,
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)
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from homeassistant.const import CONF_NAME, PERCENTAGE
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from . import CONF_SERIAL, LIGHTWAVE_LINK
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async def async_setup_platform(hass, config, async_add_entities, discovery_info=None):
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"""Find and return battery."""
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if discovery_info is None:
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return
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batteries = []
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lwlink = hass.data[LIGHTWAVE_LINK]
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for device_config in discovery_info.values():
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name = device_config[CONF_NAME]
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serial = device_config[CONF_SERIAL]
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batteries.append(LightwaveBattery(name, lwlink, serial))
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async_add_entities(batteries)
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class LightwaveBattery(SensorEntity):
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"""Lightwave TRV Battery."""
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_attr_device_class = SensorDeviceClass.BATTERY
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_attr_native_unit_of_measurement = PERCENTAGE
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_attr_state_class = SensorStateClass.MEASUREMENT
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def __init__(self, name, lwlink, serial):
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"""Initialize the Lightwave Trv battery sensor."""
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self._attr_name = name
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self._lwlink = lwlink
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self._serial = serial
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self._attr_unique_id = f"{serial}-trv-battery"
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def update(self):
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"""Communicate with a Lightwave RTF Proxy to get state."""
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(dummy_temp, dummy_targ, battery, dummy_output) = self._lwlink.read_trv_status(
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self._serial
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)
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self._attr_native_value = battery
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