146 lines
4.7 KiB
Python
146 lines
4.7 KiB
Python
"""Bluetti BT sensors."""
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from __future__ import annotations
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import asyncio
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from datetime import timedelta
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import logging
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from bleak import BleakClient
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from homeassistant.components import bluetooth
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from homeassistant.components.sensor import SensorEntity
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from homeassistant.config_entries import ConfigEntry
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from homeassistant.core import HomeAssistant, callback
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from homeassistant.const import CONF_ADDRESS
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from homeassistant.helpers.entity_platform import AddEntitiesCallback
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from homeassistant.helpers.entity import DeviceInfo
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from homeassistant.helpers.update_coordinator import (
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CoordinatorEntity,
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DataUpdateCoordinator,
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)
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from bluetti_mqtt.bluetooth.client import BluetoothClient
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from . import device_info as dev_info, get_unique_id
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_LOGGER = logging.getLogger(__name__)
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async def async_setup_entry(
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hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
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) -> None:
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"""Setup sensor entities."""
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address = entry.data.get(CONF_ADDRESS)
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if address is None:
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_LOGGER.error("Device has no address")
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# Create coordinator for polling
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coordinator = PollingCoordinator(hass, address)
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await coordinator.async_config_entry_first_refresh()
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# Generate device info
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_LOGGER.info("Creating sensors for device with address %s", address)
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device_info = dev_info(entry)
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async_add_entities([Battery(coordinator, device_info, address)])
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class PollingCoordinator(DataUpdateCoordinator):
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"""Polling coordinator."""
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def __init__(self, hass: HomeAssistant, address):
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"""Initialize coordinator."""
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super().__init__(
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hass,
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_LOGGER,
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name="Bluetti polling coordinator",
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update_interval=timedelta(seconds=10),
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)
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self._address = address
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self.notify_future = None
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self.command_queue = asyncio.Queue()
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self.notify_response = bytearray()
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async def _async_update_data(self):
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"""Fetch data from API endpoint.
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This is the place to pre-process the data to lookup tables
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so entities can quickly look up their data.
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"""
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self.logger.error("Polling data")
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device = bluetooth.async_ble_device_from_address(self.hass, self._address)
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if device is None:
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self.logger.error("Device not available")
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return
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self.logger.error("BT RSSI to device %s: %s", self._address, device.rssi)
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# Proceed with bluetti_mqtt parts
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# TODO: Fill command_queue
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client = BleakClient(device)
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try:
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client.connect()
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await client.start_notify(
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BluetoothClient.NOTIFY_UUID, self._notification_handler
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)
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while not self.command_queue.empty():
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try:
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# Prepare to make request
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current_command, cmd_future = self.command_queue.get()
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self.notify_future = self.hass.loop.create_future()
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self.notify_response = bytearray()
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# Make request
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await client.write_gatt_char(
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BluetoothClient.WRITE_UUID, bytes(current_command)
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)
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# Wait for response
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res = await asyncio.wait_for(
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self.notify_future, timeout=BluetoothClient.RESPONSE_TIMEOUT
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)
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if cmd_future:
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cmd_future.set_result(res)
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except:
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self.logger.error("Error polling data")
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finally:
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client.disconnect()
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def _notification_handler(self, _sender: int, data: bytearray):
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"""Handle bt data."""
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self.logger.error("Data received: ", data.decode())
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class Battery(CoordinatorEntity, SensorEntity):
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"""Bluetti battery."""
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def __init__(
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self, coordinator: PollingCoordinator, device_info: DeviceInfo, address
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):
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"""Init battery entity."""
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super().__init__(coordinator)
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self._attr_device_info = device_info
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self._attr_name = f"{device_info.get('name')} Battery level"
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self._attr_unique_id = get_unique_id(f"{device_info.get('name')} Battery level")
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self._attr_unit_of_measurement = "%"
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self._attr_device_class = "battery"
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self._address = address
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@property
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def available(self) -> bool:
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if self._address is None:
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return False
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return bluetooth.async_address_present(self.hass, self._address)
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@callback
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def _handle_coordinator_update(self) -> None:
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"""Handle updated data from the coordinator."""
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_LOGGER.error("Updating state of %s", self._attr_unique_id)
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self.async_write_ha_state()
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