mirror of
https://github.com/firestar5683/StarPilot.git
synced 2026-11-08 13:33:42 +08:00
Adeeb Shihadeh
10 lines
363 B
Python
10 lines
363 B
Python
import time
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def latest_gps_source(sm) -> str | None:
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"""The service with the freshest usable GPS fix, or None."""
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now = time.monotonic()
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sources = [s for s in ('gpsLocation', 'gpsLocationExternal')
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if sm.valid[s] and sm[s].hasFix and 0 <= now - sm.recv_time[s] < 2]
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return max(sources, key=lambda s: sm.logMonoTime[s]) if sources else None
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