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allow tone frequency of zero #21

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Merged
merged 1 commit into from
Dec 8, 2021
Merged

allow tone frequency of zero #21

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4 changes: 2 additions & 2 deletions adafruit_funhouse/peripherals.py
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Original file line number Diff line number Diff line change
Expand Up @@ -96,8 +96,8 @@ def play_tone(frequency, duration):
It will attempt to play the sound up to 3 times in the case of
an error.
"""
if frequency <= 0:
raise ValueError("The frequency has to be greater than 0.")
if frequency < 0:
raise ValueError("Negative frequencies are not allowed.")
attempt = 0
# Try up to 3 times to play the sound
while attempt < 3:
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