Merge pull request #6 from Patrick762/dev

Updated EP600 fields

README.md

@@ -22,3 +22,4 @@ Based on [bluetti_mqtt](https://github.com/warhammerkid/bluetti_mqtt).
 
 ### Available sensors:
 All sensors which are available in bluetti_mqtt (Based on [this file](https://github.com/warhammerkid/bluetti_mqtt/blob/main/bluetti_mqtt/mqtt_client.py))
+excluding battery pack fields.

custom_components/bluetti_bt/__init__.py

@@ -6,20 +6,22 @@ import re
 
 from homeassistant.components import bluetooth
 from homeassistant.config_entries import ConfigEntry
-from homeassistant.const import CONF_ADDRESS, CONF_TYPE, Platform
+from homeassistant.const import CONF_ADDRESS, CONF_TYPE, CONF_NAME, Platform
 from homeassistant.core import HomeAssistant
 from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.exceptions import ConfigEntryNotReady
 
 from .const import DOMAIN, MANUFACTURER
+from .coordinator import PollingCoordinator
 
-PLATFORMS: [Platform] = [Platform.SENSOR]
+PLATFORMS: [Platform] = [Platform.BINARY_SENSOR, Platform.SENSOR]
 
 
 async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     """Set up Bluetti Powerstation from a config entry."""
 
     address = entry.data.get(CONF_ADDRESS)
+    device_name = entry.data.get(CONF_NAME)
 
     if address is None:
         return False
@@ -27,6 +29,14 @@ async def async_setup_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
     if not bluetooth.async_address_present(hass, address):
         raise ConfigEntryNotReady("Bluetti device not present")
 
+    # Create coordinator for polling
+    coordinator = PollingCoordinator(hass, address, device_name)
+    await coordinator.async_config_entry_first_refresh()
+
+    # Create data structure
+    hass.data.setdefault(DOMAIN, {})
+    hass.data[DOMAIN].setdefault(entry.entry_id, coordinator)
+
     # Setup platforms
     await hass.config_entries.async_forward_entry_setups(entry, PLATFORMS)
 

custom_components/bluetti_bt/binary_sensor.py

@@ -0,0 +1,130 @@
+"""Bluetti BT sensors."""
+
+from __future__ import annotations
+
+import logging
+
+from homeassistant.components.binary_sensor import BinarySensorEntity
+from homeassistant.config_entries import ConfigEntry
+from homeassistant.core import HomeAssistant, callback
+from homeassistant.const import (
+    CONF_ADDRESS,
+    CONF_NAME,
+    EntityCategory,
+)
+from homeassistant.helpers.entity_platform import AddEntitiesCallback
+from homeassistant.helpers.entity import DeviceInfo
+from homeassistant.helpers.update_coordinator import (
+    CoordinatorEntity,
+)
+
+from bluetti_mqtt.bluetooth import build_device
+from bluetti_mqtt.mqtt_client import (
+    NORMAL_DEVICE_FIELDS,
+    DC_INPUT_FIELDS,
+    MqttFieldType,
+)
+
+from . import device_info as dev_info, get_unique_id
+from .const import DOMAIN, ADDITIONAL_DEVICE_FIELDS
+from .coordinator import PollingCoordinator, DummyDevice
+
+_LOGGER = logging.getLogger(__name__)
+
+
+async def async_setup_entry(
+    hass: HomeAssistant, entry: ConfigEntry, async_add_entities: AddEntitiesCallback
+) -> None:
+    """Setup sensor entities."""
+
+    device_name = entry.data.get(CONF_NAME)
+    address = entry.data.get(CONF_ADDRESS)
+    if address is None:
+        _LOGGER.error("Device has no address")
+
+    # Generate device info
+    _LOGGER.info("Creating sensors for device with address %s", address)
+    device_info = dev_info(entry)
+
+    # Add sensors according to device_info
+    bluetti_device = build_device(address, device_name)
+    bluetti_device = DummyDevice(bluetti_device)
+
+    sensors_to_add = []
+    all_fields = NORMAL_DEVICE_FIELDS
+    all_fields.update(DC_INPUT_FIELDS)
+    all_fields.update(ADDITIONAL_DEVICE_FIELDS)
+    for field_key, field_config in all_fields.items():
+        if bluetti_device.has_field(field_key):
+            if field_config.type == MqttFieldType.BOOL:
+                category = None
+                if field_config.setter is True:
+                    category = EntityCategory.DIAGNOSTIC
+
+                sensors_to_add.append(
+                    BluettiBinarySensor(
+                        hass.data[DOMAIN][entry.entry_id],
+                        device_info,
+                        address,
+                        field_key,
+                        field_config.home_assistant_extra.get(CONF_NAME, ""),
+                        category=category,
+                    )
+                )
+
+    async_add_entities(sensors_to_add)
+
+
+class BluettiBinarySensor(CoordinatorEntity, BinarySensorEntity):
+    """Bluetti universal binary sensor."""
+
+    def __init__(
+        self,
+        coordinator: PollingCoordinator,
+        device_info: DeviceInfo,
+        address,
+        response_key: str,
+        name: str,
+        category: EntityCategory | None = None,
+    ):
+        """Init battery entity."""
+        super().__init__(coordinator)
+
+        e_name = f"{device_info.get('name')} {name}"
+        self._address = address
+        self._response_key = response_key
+
+        self._attr_device_info = device_info
+        self._attr_name = e_name
+        self._attr_available = False
+        self._attr_unique_id = get_unique_id(e_name)
+        self._attr_entity_category = category
+
+    @callback
+    def _handle_coordinator_update(self) -> None:
+        """Handle updated data from the coordinator."""
+        _LOGGER.debug("Updating state of %s", self._attr_unique_id)
+        if not isinstance(self.coordinator.data, dict):
+            _LOGGER.error(
+                "Invalid data from coordinator (sensor.%s)", self._attr_unique_id
+            )
+            self._attr_available = False
+            return
+
+        response_data = self.coordinator.data.get(self._response_key)
+        if response_data is None:
+            self._attr_available = False
+            return
+
+        if not isinstance(response_data, bool):
+            _LOGGER.warning(
+                "Invalid response data type from coordinator (sensor.%s): %s",
+                self._attr_unique_id,
+                response_data,
+            )
+            self._attr_available = False
+            return
+
+        self._attr_available = True
+        self._attr_is_on = self.coordinator.data[self._response_key] is True
+        self.async_write_ha_state()

custom_components/bluetti_bt/const.py

@@ -1,7 +1,191 @@
 """Constants for the Bluetti BT integration."""
 
+from bluetti_mqtt.mqtt_client import MqttFieldConfig, MqttFieldType
+
 DOMAIN = "bluetti_bt"
 MANUFACTURER = "Bluetti"
 
-API_RESPONSE_BATTERY_RANGE_START = "battery_range_start"
+CONF_OPTIONS = "options"
-API_RESPONSE_BATTERY_RANGE_END = "battery_range_end"
+
+DIAGNOSTIC_FIELDS = [
+    "max_ac_input_power",
+    "max_ac_input_current",
+    "max_ac_output_power",
+    "max_ac_output_current",
+    "bcu_version",
+    "safety_module_version",
+    "high_voltage_module_version",
+]
+
+ADDITIONAL_DEVICE_FIELDS = {
+    "max_ac_input_power": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "Max AC Input Power per Phase",
+        },
+    ),
+    "max_ac_input_current": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "Max AC Input Current per Phase",
+        },
+    ),
+    "max_ac_output_power": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "Max AC Output Power per Phase",
+        },
+    ),
+    "max_ac_output_current": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "Max AC Output Current per Phase",
+        },
+    ),
+    "bcu_version": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={"name": "BCU Version"},
+    ),
+    "safety_module_version": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={"name": "Safety Module Version"},
+    ),
+    "high_voltage_module_version": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={"name": "High Voltage Safety Module Version"},
+    ),
+    "adl400_ac_input_voltage_phase1": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "ADL400 AC Input Voltage Phase 1",
+            "unit_of_measurement": "V",
+            "device_class": "voltage",
+            "state_class": "measurement",
+            "force_update": True,
+        },
+    ),
+    "adl400_ac_input_voltage_phase2": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "ADL400 AC Input Voltage Phase 2",
+            "unit_of_measurement": "V",
+            "device_class": "voltage",
+            "state_class": "measurement",
+            "force_update": True,
+        },
+    ),
+    "adl400_ac_input_voltage_phase3": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "ADL400 AC Input Voltage Phase 3",
+            "unit_of_measurement": "V",
+            "device_class": "voltage",
+            "state_class": "measurement",
+            "force_update": True,
+        },
+    ),
+    "ac_input_voltage_phase1": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "AC Input Voltage Phase 1",
+            "unit_of_measurement": "V",
+            "device_class": "voltage",
+            "state_class": "measurement",
+            "force_update": True,
+        },
+    ),
+    "ac_input_voltage_phase2": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "AC Input Voltage Phase 2",
+            "unit_of_measurement": "V",
+            "device_class": "voltage",
+            "state_class": "measurement",
+            "force_update": True,
+        },
+    ),
+    "ac_input_voltage_phase3": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "AC Input Voltage Phase 3",
+            "unit_of_measurement": "V",
+            "device_class": "voltage",
+            "state_class": "measurement",
+            "force_update": True,
+        },
+    ),
+    "ac_output_voltage_phase1": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "AC Output Voltage Phase 1",
+            "unit_of_measurement": "V",
+            "device_class": "voltage",
+            "state_class": "measurement",
+            "force_update": True,
+        },
+    ),
+    "ac_output_voltage_phase2": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "AC Output Voltage Phase 2",
+            "unit_of_measurement": "V",
+            "device_class": "voltage",
+            "state_class": "measurement",
+            "force_update": True,
+        },
+    ),
+    "ac_output_voltage_phase3": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "AC Output Voltage Phase 3",
+            "unit_of_measurement": "V",
+            "device_class": "voltage",
+            "state_class": "measurement",
+            "force_update": True,
+        },
+    ),
+    "ac_output_frequency": MqttFieldConfig(
+        type=MqttFieldType.NUMERIC,
+        setter=False,
+        advanced=False,
+        home_assistant_extra={
+            "name": "AC Output Frequency",
+            "unit_of_measurement": "Hz",
+            "device_class": "frequency",
+            "state_class": "measurement",
+            "force_update": True,
+        },
+    ),
+}

custom_components/bluetti_bt/coordinator.py

@@ -0,0 +1,226 @@
+"""Coordinator for Bluetti integration."""
+
+from __future__ import annotations
+from typing import List
+
+import asyncio
+from datetime import timedelta
+import logging
+from typing import cast
+import async_timeout
+
+from bleak import BleakClient, BleakError
+
+from homeassistant.components import bluetooth
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.update_coordinator import (
+    DataUpdateCoordinator,
+)
+
+from bluetti_mqtt.bluetooth.client import BluetoothClient
+from bluetti_mqtt.bluetooth import (
+    BadConnectionError,
+    ModbusError,
+    ParseError,
+    build_device,
+)
+from bluetti_mqtt.core.devices.bluetti_device import BluettiDevice
+from bluetti_mqtt.core.commands import ReadHoldingRegisters
+
+_LOGGER = logging.getLogger(__name__)
+
+
+class DummyDevice(BluettiDevice):
+    """Dummy device used to add more fields to existing devices.
+
+    Changes made here are only temporary and should also be
+    contributed to https://github.com/warhammerkid/bluetti_mqtt
+    """
+
+    def __init__(self, device: BluettiDevice):
+        """Init dummy device with real device."""
+        self.struct = device.struct
+
+        if device.type == "EP600":
+            self.struct.add_decimal_field("adl400_ac_input_voltage_phase1", 1229, 1)
+            self.struct.add_decimal_field("adl400_ac_input_voltage_phase2", 1237, 1)
+            self.struct.add_decimal_field("adl400_ac_input_voltage_phase3", 1245, 1)
+            self.struct.add_decimal_field("ac_input_frequency", 1300, 1)
+            self.struct.add_decimal_field("ac_input_voltage_phase1", 1314, 1)
+            self.struct.add_decimal_field("ac_input_voltage_phase2", 1320, 1)
+            self.struct.add_decimal_field("ac_input_voltage_phase3", 1326, 1)
+            self.struct.add_decimal_field("ac_output_frequency", 1500, 1)
+            self.struct.add_decimal_field("ac_output_voltage_phase1", 1511, 1)
+            self.struct.add_decimal_field("ac_output_voltage_phase2", 1518, 1)
+            self.struct.add_decimal_field("ac_output_voltage_phase3", 1525, 1)
+
+        super().__init__(device.address, device.type, device.sn)
+        self._parent = device
+
+    @property
+    def polling_commands(self) -> List[ReadHoldingRegisters]:
+        if self.type == "EP600":
+            return [
+                ReadHoldingRegisters(100, 62),
+                ReadHoldingRegisters(1229, 19),
+                ReadHoldingRegisters(1300, 1),
+                ReadHoldingRegisters(1314, 13),
+                ReadHoldingRegisters(1500, 1),
+                ReadHoldingRegisters(1511, 15),
+                ReadHoldingRegisters(2022, 6),
+                ReadHoldingRegisters(2213, 4),
+                # Battery
+                ReadHoldingRegisters(6101, 7),
+                ReadHoldingRegisters(6175, 11),
+            ]
+
+        return self._parent.polling_commands
+
+    @property
+    def pack_polling_commands(self) -> List[ReadHoldingRegisters]:
+        return self._parent.pack_logging_commands
+
+    @property
+    def logging_commands(self) -> List[ReadHoldingRegisters]:
+        return self._parent.logging_commands
+
+    @property
+    def pack_logging_commands(self) -> List[ReadHoldingRegisters]:
+        return self._parent.pack_logging_commands
+
+    @property
+    def writable_ranges(self) -> List[range]:
+        return self._parent.writable_ranges
+
+
+class PollingCoordinator(DataUpdateCoordinator):
+    """Polling coordinator."""
+
+    def __init__(self, hass: HomeAssistant, address, device_name: str):
+        """Initialize coordinator."""
+        super().__init__(
+            hass,
+            _LOGGER,
+            name="Bluetti polling coordinator",
+            update_interval=timedelta(seconds=20),
+        )
+        self._address = address
+        self.notify_future = None
+        self.current_command = None
+        self.notify_response = bytearray()
+        bluetti_device = build_device(address, device_name)
+
+        # Add or modify device fields
+        self.bluetti_device = DummyDevice(bluetti_device)
+
+    async def _async_update_data(self):
+        """Fetch data from API endpoint.
+
+        This is the place to pre-process the data to lookup tables
+        so entities can quickly look up their data.
+        """
+        self.logger.debug("Polling data")
+
+        device = bluetooth.async_ble_device_from_address(self.hass, self._address)
+        if device is None:
+            self.logger.error("Device %s not available", self._address)
+            return None
+
+        if self.bluetti_device is None:
+            self.logger.error("Device type for %s not found", self._address)
+            return None
+
+        # Polling
+        client = BleakClient(device)
+        parsed_data: dict = {}
+
+        try:
+            async with async_timeout.timeout(15):
+                await client.connect()
+
+                await client.start_notify(
+                    BluetoothClient.NOTIFY_UUID, self._notification_handler
+                )
+
+                for command in self.bluetti_device.polling_commands:
+                    try:
+                        # Prepare to make request
+                        self.current_command = command
+                        self.notify_future = self.hass.loop.create_future()
+                        self.notify_response = bytearray()
+
+                        # Make request
+                        self.logger.debug("Requesting %s", command)
+                        await client.write_gatt_char(
+                            BluetoothClient.WRITE_UUID, bytes(command)
+                        )
+
+                        # Wait for response
+                        res = await asyncio.wait_for(
+                            self.notify_future, timeout=BluetoothClient.RESPONSE_TIMEOUT
+                        )
+
+                        # Process data
+                        self.logger.debug("Got %s bytes", len(res))
+                        response = cast(bytes, res)
+                        body = command.parse_response(response)
+                        parsed = self.bluetti_device.parse(
+                            command.starting_address, body
+                        )
+
+                        self.logger.debug("Parsed data: %s", parsed)
+                        parsed_data.update(parsed)
+
+                    except TimeoutError:
+                        self.logger.error(
+                            "Polling timed out (address: %s)", self._address
+                        )
+                    except ParseError:
+                        self.logger.warning("Got a parse exception...")
+                    except ModbusError as err:
+                        self.logger.warning(
+                            "Got an invalid request error for %s: %s",
+                            command,
+                            err,
+                        )
+                    except (BadConnectionError, BleakError) as err:
+                        self.logger.warning(
+                            "Needed to disconnect due to error: %s", err
+                        )
+        except TimeoutError:
+            self.logger.error("Polling timed out for device %s", self._address)
+            return None
+        except BleakError as err:
+            self.logger.error("Bleak error: %s", err)
+            return None
+        finally:
+            await client.disconnect()
+
+        # Pass data back to sensors
+        return parsed_data
+
+    def _notification_handler(self, _sender: int, data: bytearray):
+        """Handle bt data."""
+
+        # Ignore notifications we don't expect
+        if not self.notify_future or self.notify_future.done():
+            return
+
+        # If something went wrong, we might get weird data.
+        if data == b"AT+NAME?\r" or data == b"AT+ADV?\r":
+            err = BadConnectionError("Got AT+ notification")
+            self.notify_future.set_exception(err)
+            return
+
+        # Save data
+        self.notify_response.extend(data)
+
+        if len(self.notify_response) == self.current_command.response_size():
+            if self.current_command.is_valid_response(self.notify_response):
+                self.notify_future.set_result(self.notify_response)
+            else:
+                self.notify_future.set_exception(ParseError("Failed checksum"))
+        elif self.current_command.is_exception_response(self.notify_response):
+            # We got a MODBUS command exception
+            msg = f"MODBUS Exception {self.current_command}: {self.notify_response[2]}"
+            self.notify_future.set_exception(ModbusError(msg))

custom_components/bluetti_bt/sensor.py

@@ -2,15 +2,9 @@
 
 from __future__ import annotations
 
-import asyncio
-from datetime import timedelta
 import logging
-from typing import cast
+from decimal import Decimal
-import async_timeout
 
-from bleak import BleakClient, BleakError
-
-from homeassistant.components import bluetooth
 from homeassistant.components.sensor import SensorEntity, CONF_STATE_CLASS
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.core import HomeAssistant, callback
@@ -25,23 +19,18 @@ from homeassistant.helpers.entity_platform import AddEntitiesCallback
 from homeassistant.helpers.entity import DeviceInfo
 from homeassistant.helpers.update_coordinator import (
     CoordinatorEntity,
-    DataUpdateCoordinator,
 )
 
-from bluetti_mqtt.bluetooth.client import BluetoothClient
+from bluetti_mqtt.bluetooth import build_device
-from bluetti_mqtt.bluetooth import (
+from bluetti_mqtt.mqtt_client import (
-    BadConnectionError,
+    NORMAL_DEVICE_FIELDS,
-    ModbusError,
+    DC_INPUT_FIELDS,
-    ParseError,
+    MqttFieldType,
-    build_device,
 )
-from bluetti_mqtt.mqtt_client import NORMAL_DEVICE_FIELDS
 
 from . import device_info as dev_info, get_unique_id
-from .const import (
+from .const import DOMAIN, CONF_OPTIONS, DIAGNOSTIC_FIELDS, ADDITIONAL_DEVICE_FIELDS
-    API_RESPONSE_BATTERY_RANGE_START,
+from .coordinator import PollingCoordinator, DummyDevice
-    API_RESPONSE_BATTERY_RANGE_END,
-)
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -56,171 +45,53 @@ async def async_setup_entry(
     if address is None:
         _LOGGER.error("Device has no address")
 
-    # Create coordinator for polling
-    coordinator = PollingCoordinator(hass, address, device_name)
-    await coordinator.async_config_entry_first_refresh()
-
     # Generate device info
     _LOGGER.info("Creating sensors for device with address %s", address)
     device_info = dev_info(entry)
 
     # Add sensors according to device_info
     bluetti_device = build_device(address, device_name)
+    bluetti_device = DummyDevice(bluetti_device)
 
     sensors_to_add = []
-    for field_key, field_config in NORMAL_DEVICE_FIELDS.items():
+    all_fields = NORMAL_DEVICE_FIELDS
+    all_fields.update(DC_INPUT_FIELDS)
+    all_fields.update(ADDITIONAL_DEVICE_FIELDS)
+    for field_key, field_config in all_fields.items():
         if bluetti_device.has_field(field_key):
             category = None
-
+            if field_config.setter is True or field_key in DIAGNOSTIC_FIELDS:
-            if field_key in (
-                API_RESPONSE_BATTERY_RANGE_START,
-                API_RESPONSE_BATTERY_RANGE_END,
-            ):
                 category = EntityCategory.DIAGNOSTIC
-
+            if field_config.type == MqttFieldType.NUMERIC:
                 sensors_to_add.append(
                     BluettiSensor(
-                    coordinator,
+                        hass.data[DOMAIN][entry.entry_id],
                         device_info,
                         address,
                         field_key,
                         field_config.home_assistant_extra.get(CONF_NAME, ""),
-                    field_config.home_assistant_extra.get(CONF_UNIT_OF_MEASUREMENT, ""),
+                        field_config.home_assistant_extra.get(CONF_UNIT_OF_MEASUREMENT),
-                    field_config.home_assistant_extra.get(CONF_DEVICE_CLASS, ""),
+                        field_config.home_assistant_extra.get(CONF_DEVICE_CLASS),
-                    field_config.home_assistant_extra.get(CONF_STATE_CLASS, ""),
+                        field_config.home_assistant_extra.get(CONF_STATE_CLASS),
-                    category,
+                        category=category,
+                    )
+                )
+            elif field_config.type == MqttFieldType.ENUM:
+                sensors_to_add.append(
+                    BluettiSensor(
+                        hass.data[DOMAIN][entry.entry_id],
+                        device_info,
+                        address,
+                        field_key,
+                        field_config.home_assistant_extra.get(CONF_NAME, ""),
+                        options=field_config.home_assistant_extra.get(CONF_OPTIONS),
+                        category=category,
                     )
                 )
 
     async_add_entities(sensors_to_add)
 
 
-class PollingCoordinator(DataUpdateCoordinator):
-    """Polling coordinator."""
-
-    def __init__(self, hass: HomeAssistant, address, device_name: str):
-        """Initialize coordinator."""
-        super().__init__(
-            hass,
-            _LOGGER,
-            name="Bluetti polling coordinator",
-            update_interval=timedelta(seconds=20),
-        )
-        self._address = address
-        self.notify_future = None
-        self.current_command = None
-        self.notify_response = bytearray()
-        self.bluetti_device = build_device(address, device_name)
-
-    async def _async_update_data(self):
-        """Fetch data from API endpoint.
-
-        This is the place to pre-process the data to lookup tables
-        so entities can quickly look up their data.
-        """
-        self.logger.debug("Polling data")
-
-        device = bluetooth.async_ble_device_from_address(self.hass, self._address)
-        if device is None:
-            self.logger.error("Device not available")
-            return None
-
-        if self.bluetti_device is None:
-            self.logger.error("Device type not found")
-            return None
-
-        # Polling
-        client = BleakClient(device)
-        parsed_data: dict = {}
-
-        try:
-            async with async_timeout.timeout(15):
-                await client.connect()
-
-                await client.start_notify(
-                    BluetoothClient.NOTIFY_UUID, self._notification_handler
-                )
-
-                for command in self.bluetti_device.polling_commands:
-                    try:
-                        # Prepare to make request
-                        self.current_command = command
-                        self.notify_future = self.hass.loop.create_future()
-                        self.notify_response = bytearray()
-
-                        # Make request
-                        self.logger.debug("Requesting %s", command)
-                        await client.write_gatt_char(
-                            BluetoothClient.WRITE_UUID, bytes(command)
-                        )
-
-                        # Wait for response
-                        res = await asyncio.wait_for(
-                            self.notify_future, timeout=BluetoothClient.RESPONSE_TIMEOUT
-                        )
-
-                        # Process data
-                        self.logger.debug("Got %s bytes", len(res))
-                        response = cast(bytes, res)
-                        body = command.parse_response(response)
-                        parsed = self.bluetti_device.parse(
-                            command.starting_address, body
-                        )
-
-                        self.logger.warning("Parsed data: %s", parsed)
-                        parsed_data.update(parsed)
-
-                    except TimeoutError:
-                        self.logger.error("Polling timed out")
-                    except ParseError:
-                        self.logger.debug("Got a parse exception...")
-                    except ModbusError as err:
-                        self.logger.debug(
-                            "Got an invalid request error for %s: %s",
-                            command,
-                            err,
-                        )
-                    except (BadConnectionError, BleakError) as err:
-                        self.logger.debug("Needed to disconnect due to error: %s", err)
-        except TimeoutError:
-            self.logger.error("Polling timed out")
-            return None
-        except BleakError as err:
-            self.logger.error("Bleak error: %s", err)
-            return None
-        finally:
-            await client.disconnect()
-
-        # Pass data back to sensors
-        return parsed_data
-
-    def _notification_handler(self, _sender: int, data: bytearray):
-        """Handle bt data."""
-
-        # Ignore notifications we don't expect
-        if not self.notify_future or self.notify_future.done():
-            return
-
-        # If something went wrong, we might get weird data.
-        if data == b"AT+NAME?\r" or data == b"AT+ADV?\r":
-            err = BadConnectionError("Got AT+ notification")
-            self.notify_future.set_exception(err)
-            return
-
-        # Save data
-        self.notify_response.extend(data)
-
-        if len(self.notify_response) == self.current_command.response_size():
-            if self.current_command.is_valid_response(self.notify_response):
-                self.notify_future.set_result(self.notify_response)
-            else:
-                self.notify_future.set_exception(ParseError("Failed checksum"))
-        elif self.current_command.is_exception_response(self.notify_response):
-            # We got a MODBUS command exception
-            msg = f"MODBUS Exception {self.current_command}: {self.notify_response[2]}"
-            self.notify_future.set_exception(ModbusError(msg))
-
-
 class BluettiSensor(CoordinatorEntity, SensorEntity):
     """Bluetti universal sensor."""
 
@@ -231,10 +102,11 @@ class BluettiSensor(CoordinatorEntity, SensorEntity):
         address,
         response_key: str,
         name: str,
-        unit_of_measurement: str,
+        unit_of_measurement: str | None = None,
-        device_class: str,
+        device_class: str | None = None,
-        state_class: str,
+        state_class: str | None = None,
         category: EntityCategory | None = None,
+        options: list[str] | None = None,
     ):
         """Init battery entity."""
         super().__init__(coordinator)
@@ -245,24 +117,56 @@ class BluettiSensor(CoordinatorEntity, SensorEntity):
 
         self._attr_device_info = device_info
         self._attr_name = e_name
+        self._attr_available = False
         self._attr_unique_id = get_unique_id(e_name)
         self._attr_native_unit_of_measurement = unit_of_measurement
         self._attr_device_class = device_class
         self._attr_state_class = state_class
         self._attr_entity_category = category
-
+        self._options = options
-    @property
-    def available(self) -> bool:
-        if self._address is None:
-            return False
-        return bluetooth.async_address_present(self.hass, self._address)
 
     @callback
     def _handle_coordinator_update(self) -> None:
         """Handle updated data from the coordinator."""
         _LOGGER.debug("Updating state of %s", self._attr_unique_id)
         if not isinstance(self.coordinator.data, dict):
-            _LOGGER.error("Invalid data from coordinator")
+            _LOGGER.error(
+                "Invalid data from coordinator (sensor.%s)", self._attr_unique_id
+            )
+            self._attr_available = False
             return
-        self._attr_native_value = self.coordinator.data[self._response_key]
+
+        response_data = self.coordinator.data.get(self._response_key)
+        if response_data is None:
+            self._attr_available = False
+            return
+
+        if (
+            not isinstance(response_data, int)
+            and not isinstance(response_data, float)
+            and not isinstance(response_data, complex)
+            and not isinstance(response_data, Decimal)
+        ):
+            _LOGGER.warning(
+                "Invalid response data type from coordinator (sensor.%s): %s has type %s",
+                self._attr_unique_id,
+                response_data,
+                type(response_data),
+            )
+            self._attr_available = False
+            return
+
+        self._attr_available = True
+
+        # Different for enum and numeric
+        if (
+            self._options is not None
+            and isinstance(response_data, int)
+            and response_data < len(self._options)
+        ):
+            # Enum
+            self._attr_native_value = self._options[response_data]
+        else:
+            # Numeric
+            self._attr_native_value = response_data
         self.async_write_ha_state()