46 lines
937 B
Python
46 lines
937 B
Python
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import hyperion
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import time
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import colorsys
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# Get the rotation time
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speed = hyperion.args.get('speed', 1.0)
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fadeFactor = hyperion.args.get('fadeFactor', 0.7)
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# Initialize the led data
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width = 25
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imageData = bytearray(width * (0,0,0))
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imageData[0] = 255
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# Calculate the sleep time and rotation increment
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increment = 1
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sleepTime = 1.0 / (speed * width)
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while sleepTime < 0.05:
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increment *= 2
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sleepTime *= 2
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# Start the write data loop
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position = 0
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direction = 1
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while not hyperion.abort():
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hyperion.setImage(width, 1, imageData)
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# Move data into next state
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for i in range(increment):
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position += direction
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if position == -1:
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position = 1
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direction = 1
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elif position == width:
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position = width-2
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direction = -1
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# Fade the old data
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for j in range(width):
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imageData[3*j] = int(fadeFactor * imageData[3*j])
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# Insert new data
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imageData[3*position] = 255
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# Sleep for a while
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time.sleep(sleepTime)
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