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pandad: shorten cold-boot USB enumeration wait (C3XL panda needs a reset, 20s wait just delays onroad)

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Comma Device
2026-08-30 16:33:06 +08:00
parent 8b3707c56e
commit 6ee949d283
1 changed files with 6 additions and 2 deletions
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openpilot/selfdrive/pandad/pandad.py
+6 -2
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@@ -125,8 +125,12 @@ def main() -> None:
# much longer to come online.
panda_serials: list[str] = Panda.list()
if not panda_serials:
cloudlog.info("Panda not found yet, waiting for USB enumeration...")
for _ in range(20):
cloudlog.info("Panda not found yet, waiting briefly for USB enumeration...")
# Measured on C3XL: the internal panda does NOT enumerate by itself
# after a cold boot (20s of polling found nothing), it only comes
# back after a reset. Waiting 20s just delays going onroad, so wait
# a short time for the normal case then reset.
for _ in range(5):
time.sleep(1)
panda_serials = Panda.list()
if len(panda_serials):