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More robust logic for smooth transients on PCA9685

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This commit is contained in:
Fabio Manganiello 2021-05-16 18:14:02 +02:00
parent df36a9f811
commit 7ee869ce42
1 changed files with 3 additions and 1 deletions
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4
platypush/plugins/pwm/pca9685.py
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@ -95,15 +95,17 @@ class PwmPca9685Plugin(Plugin):
done = True done = True
for channel, value in values.items(): for channel, value in values.items():
if value == pca.channels[channel].duty_cycle: if abs(value - pca.channels[channel].duty_cycle) < 2:
continue continue
done = False done = False
if value > pca.channels[channel].duty_cycle: if value > pca.channels[channel].duty_cycle:
pca.channels[channel].duty_cycle = min(pca.channels[channel].duty_cycle + step_value, pca.channels[channel].duty_cycle = min(pca.channels[channel].duty_cycle + step_value,
value,
self.MAX_PWM_VALUE) self.MAX_PWM_VALUE)
else: else:
pca.channels[channel].duty_cycle = max(pca.channels[channel].duty_cycle - step_value, pca.channels[channel].duty_cycle = max(pca.channels[channel].duty_cycle - step_value,
value,
self.MIN_PWM_VALUE) self.MIN_PWM_VALUE)
time.sleep(step_duration) time.sleep(step_duration)