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James Smith
35 lines
853 B
Python
35 lines
853 B
Python
"""Drone RF protocol signature table and frequency matcher."""
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from __future__ import annotations
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_SIGNATURES = [
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{
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"name": "FRSKY",
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"freq_min_hz": 433_050_000,
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"freq_max_hz": 434_790_000,
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},
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{
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"name": "FRSKY_868",
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"freq_min_hz": 868_000_000,
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"freq_max_hz": 868_600_000,
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},
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{
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"name": "DJI_OCUSYNC",
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"freq_min_hz": 2_400_000_000,
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"freq_max_hz": 2_483_500_000,
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},
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{
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"name": "FPV_VIDEO",
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"freq_min_hz": 5_725_000_000,
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"freq_max_hz": 5_875_000_000,
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},
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]
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def match_signature(frequency_hz: int) -> str:
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"""Return the protocol name for a detected frequency, or 'UNKNOWN'."""
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for sig in _SIGNATURES:
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if sig["freq_min_hz"] <= frequency_hz <= sig["freq_max_hz"]:
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return sig["name"]
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return "UNKNOWN"
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