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fix crash on init caused by the previous change (2/2)

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This commit is contained in:
Martin Sekera 2021-07-30 00:31:31 +02:00
parent 187cb354ca
commit 5e10ebc2ac
1 changed files with 6 additions and 2 deletions
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6
fand.py
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@ -49,8 +49,12 @@ class PWM:
# acquire a duty cycle file descriptor # acquire a duty cycle file descriptor
self.f_dc = open(self.ch_base + "duty_cycle", "w") self.f_dc = open(self.ch_base + "duty_cycle", "w")
# set 0 duty cycle so period can be freely set # Set 0 duty cycle so period can be freely set even if the channel was used before.
# This may fail: ignore.
try:
self.set_duty_cycle(0) self.set_duty_cycle(0)
except OSError:
pass
# set period & polarity # set period & polarity
with open(self.ch_base + "period", "w") as f: with open(self.ch_base + "period", "w") as f: