11 lines
278 B
Python
11 lines
278 B
Python
"""CRC32 helpers for LibreVNA packet framing."""
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from __future__ import annotations
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import zlib
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def crc32(data: bytes | bytearray | memoryview) -> int:
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"""Compute protocol CRC32 over packet bytes excluding trailing CRC field."""
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return zlib.crc32(data) & 0xFFFFFFFF
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