|
| 1 | +"""Library to handle connection with Switchbot.""" |
| 2 | + |
| 3 | +from __future__ import annotations |
| 4 | + |
| 5 | +import logging |
| 6 | +import struct |
| 7 | +from typing import Any |
| 8 | + |
| 9 | +from bleak.backends.device import BLEDevice |
| 10 | + |
| 11 | +from ..adv_parsers.air_purifier import get_air_purifier_mode |
| 12 | +from ..const import SwitchbotModel |
| 13 | +from ..const.air_purifier import AirPurifierMode, AirQualityLevel |
| 14 | +from .device import ( |
| 15 | + SwitchbotEncryptedDevice, |
| 16 | + SwitchbotSequenceDevice, |
| 17 | + update_after_operation, |
| 18 | +) |
| 19 | + |
| 20 | +_LOGGER = logging.getLogger(__name__) |
| 21 | + |
| 22 | + |
| 23 | +COMMAND_HEAD = "570f4c" |
| 24 | +COMMAND_TURN_OFF = f"{COMMAND_HEAD}010000" |
| 25 | +COMMAND_TURN_ON = f"{COMMAND_HEAD}010100" |
| 26 | +COMMAND_SET_MODE = { |
| 27 | + AirPurifierMode.LEVEL_1.name.lower(): f"{COMMAND_HEAD}01010100", |
| 28 | + AirPurifierMode.LEVEL_2.name.lower(): f"{COMMAND_HEAD}01010132", |
| 29 | + AirPurifierMode.LEVEL_3.name.lower(): f"{COMMAND_HEAD}01010164", |
| 30 | + AirPurifierMode.AUTO.name.lower(): f"{COMMAND_HEAD}01010200", |
| 31 | + AirPurifierMode.PET.name.lower(): f"{COMMAND_HEAD}01010300", |
| 32 | + AirPurifierMode.SLEEP.name.lower(): f"{COMMAND_HEAD}01010400", |
| 33 | +} |
| 34 | +DEVICE_GET_BASIC_SETTINGS_KEY = "570f4d81" |
| 35 | + |
| 36 | + |
| 37 | +class SwitchbotAirPurifier(SwitchbotSequenceDevice, SwitchbotEncryptedDevice): |
| 38 | + """Representation of a Switchbot Air Purifier.""" |
| 39 | + |
| 40 | + def __init__( |
| 41 | + self, |
| 42 | + device: BLEDevice, |
| 43 | + key_id: str, |
| 44 | + encryption_key: str, |
| 45 | + interface: int = 0, |
| 46 | + model: SwitchbotModel = SwitchbotModel.AIR_PURIFIER, |
| 47 | + **kwargs: Any, |
| 48 | + ) -> None: |
| 49 | + super().__init__(device, key_id, encryption_key, model, interface, **kwargs) |
| 50 | + |
| 51 | + @classmethod |
| 52 | + async def verify_encryption_key( |
| 53 | + cls, |
| 54 | + device: BLEDevice, |
| 55 | + key_id: str, |
| 56 | + encryption_key: str, |
| 57 | + model: SwitchbotModel = SwitchbotModel.AIR_PURIFIER, |
| 58 | + **kwargs: Any, |
| 59 | + ) -> bool: |
| 60 | + return await super().verify_encryption_key( |
| 61 | + device, key_id, encryption_key, model, **kwargs |
| 62 | + ) |
| 63 | + |
| 64 | + async def get_basic_info(self) -> dict[str, Any] | None: |
| 65 | + """Get device basic settings.""" |
| 66 | + if not (_data := await self._get_basic_info()): |
| 67 | + return None |
| 68 | + |
| 69 | + _LOGGER.debug("data: %s", _data) |
| 70 | + isOn = bool(_data[2] & 0b10000000) |
| 71 | + version_info = (_data[2] & 0b00110000) >> 4 |
| 72 | + _mode = _data[2] & 0b00000111 |
| 73 | + isAqiValid = bool(_data[3] & 0b00000100) |
| 74 | + child_lock = bool(_data[3] & 0b00000010) |
| 75 | + _aqi_level = (_data[4] & 0b00000110) >> 1 |
| 76 | + aqi_level = AirQualityLevel(_aqi_level).name.lower() |
| 77 | + speed = _data[6] & 0b01111111 |
| 78 | + pm25 = struct.unpack("<H", _data[12:14])[0] & 0xFFF |
| 79 | + firmware = _data[15] / 10.0 |
| 80 | + mode = get_air_purifier_mode(_mode, speed) |
| 81 | + |
| 82 | + return { |
| 83 | + "isOn": isOn, |
| 84 | + "version_info": version_info, |
| 85 | + "mode": mode, |
| 86 | + "isAqiValid": isAqiValid, |
| 87 | + "child_lock": child_lock, |
| 88 | + "aqi_level": aqi_level, |
| 89 | + "speed": speed, |
| 90 | + "pm25": pm25, |
| 91 | + "firmware": firmware, |
| 92 | + } |
| 93 | + |
| 94 | + async def _get_basic_info(self) -> bytes | None: |
| 95 | + """Return basic info of device.""" |
| 96 | + _data = await self._send_command( |
| 97 | + key=DEVICE_GET_BASIC_SETTINGS_KEY, retry=self._retry_count |
| 98 | + ) |
| 99 | + |
| 100 | + if _data in (b"\x07", b"\x00"): |
| 101 | + _LOGGER.error("Unsuccessful, please try again") |
| 102 | + return None |
| 103 | + |
| 104 | + return _data |
| 105 | + |
| 106 | + @update_after_operation |
| 107 | + async def set_preset_mode(self, preset_mode: str) -> bool: |
| 108 | + """Send command to set air purifier preset_mode.""" |
| 109 | + result = await self._send_command(COMMAND_SET_MODE[preset_mode]) |
| 110 | + return self._check_command_result(result, 0, {1}) |
| 111 | + |
| 112 | + @update_after_operation |
| 113 | + async def turn_on(self) -> bool: |
| 114 | + """Turn on the air purifier.""" |
| 115 | + result = await self._send_command(COMMAND_TURN_ON) |
| 116 | + return self._check_command_result(result, 0, {1}) |
| 117 | + |
| 118 | + @update_after_operation |
| 119 | + async def turn_off(self) -> bool: |
| 120 | + """Turn off the air purifier.""" |
| 121 | + result = await self._send_command(COMMAND_TURN_OFF) |
| 122 | + return self._check_command_result(result, 0, {1}) |
| 123 | + |
| 124 | + def get_current_percentage(self) -> Any: |
| 125 | + """Return cached percentage.""" |
| 126 | + return self._get_adv_value("speed") |
| 127 | + |
| 128 | + def is_on(self) -> bool | None: |
| 129 | + """Return air purifier state from cache.""" |
| 130 | + return self._get_adv_value("isOn") |
| 131 | + |
| 132 | + def get_current_aqi_level(self) -> Any: |
| 133 | + """Return cached aqi level.""" |
| 134 | + return self._get_adv_value("aqi_level") |
| 135 | + |
| 136 | + def get_current_pm25(self) -> Any: |
| 137 | + """Return cached pm25.""" |
| 138 | + return self._get_adv_value("pm25") |
| 139 | + |
| 140 | + def get_current_mode(self) -> Any: |
| 141 | + """Return cached mode.""" |
| 142 | + return self._get_adv_value("mode") |
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