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Update adafruit_debouncer.py #24

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Merged
merged 2 commits into from
Sep 14, 2020
Merged

Update adafruit_debouncer.py #24

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650517d
Update adafruit_debouncer.py
dglaude Sep 12, 2020
62eb982
Correct exception specification
jepler Sep 13, 2020
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7 changes: 4 additions & 3 deletions adafruit_debouncer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -62,12 +62,13 @@
_UNSTABLE_STATE = const(0x02)
_CHANGED_STATE = const(0x04)

# Find out whether the current CircuitPython supports time.monotonic_ns(),
# Find out whether the current CircuitPython really supports time.monotonic_ns(),
# which doesn't have the accuracy limitation.
if hasattr(time, "monotonic_ns"):
try:
time.monotonic_ns()
TICKS_PER_SEC = 1_000_000_000
MONOTONIC_TICKS = time.monotonic_ns
else:
except (AttributeError, NotImplementedError):
TICKS_PER_SEC = 1
MONOTONIC_TICKS = time.monotonic

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