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40 lines
1.1 KiB
Python
40 lines
1.1 KiB
Python
import hyperion
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import time
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import colorsys
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# Get the parameters
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rotationTime = hyperion.args.get('rotation-time', 3.0)
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brightness = hyperion.args.get('brightness', 1.0)
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saturation = hyperion.args.get('saturation', 1.0)
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reverse = hyperion.args.get('reverse', False)
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# Check parameters
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rotationTime = max(0.1, rotationTime)
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brightness = max(0.0, min(brightness, 1.0))
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saturation = max(0.0, min(saturation, 1.0))
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# Initialize the led data
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ledData = bytearray()
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for i in range(hyperion.ledCount):
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hue = float(i)/hyperion.ledCount
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rgb = colorsys.hsv_to_rgb(hue, saturation, brightness)
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ledData += bytearray((int(255*rgb[0]), int(255*rgb[1]), int(255*rgb[2])))
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# Calculate the sleep time and rotation increment
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increment = 3
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sleepTime = rotationTime / hyperion.ledCount
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while sleepTime < 0.05:
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increment *= 2
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sleepTime *= 2
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increment %= hyperion.ledCount
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# Switch direction if needed
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if reverse:
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increment = -increment
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# Start the write data loop
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while not hyperion.abort():
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hyperion.setColor(ledData)
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ledData = ledData[-increment:] + ledData[:-increment]
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time.sleep(sleepTime)
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