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"""Fan adv parser."""
from __future__ import annotations
from ..const.fan import FanMode
def process_fan(data: bytes | None, mfr_data: bytes | None) -> dict[str, bool | int]:
"""Process fan services data."""
if mfr_data is None:
return {}
device_data = mfr_data[6:]
_seq_num = device_data[0]
_isOn = bool(device_data[1] & 0b10000000)
_mode = (device_data[1] & 0b01110000) >> 4
_mode = FanMode(_mode).name.lower() if 1 <= _mode <= 4 else None
_nightLight = (device_data[1] & 0b00001100) >> 2
_oscillate_left_and_right = bool(device_data[1] & 0b00000010)
_oscillate_up_and_down = bool(device_data[1] & 0b00000001)
_battery = device_data[2] & 0b01111111
_speed = device_data[3] & 0b01111111
return {
"sequence_number": _seq_num,
"isOn": _isOn,
"mode": _mode,
"nightLight": _nightLight,
"oscillating": _oscillate_left_and_right | _oscillate_up_and_down,
"battery": _battery,
"speed": _speed,
}
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