82 lines
2.0 KiB
Python
82 lines
2.0 KiB
Python
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# Candleflicker effect by penfold42
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# Algorithm courtesy of
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# https://cpldcpu.com/2013/12/08/hacking-a-candleflicker-led/
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# candles can be :
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# a single led number, a list of candle numbers
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# "all" to flicker all the leds randomly
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# "all-together" to flicker all the leds in unison
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import hyperion
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import time
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import colorsys
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import random
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# Get parameters
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color = hyperion.args.get('color', (255,138,0))
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colorShift = float(hyperion.args.get('colorShift', 1))/100.0
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brightness = float(hyperion.args.get('brightness', 100))/100.0
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sleepTime = float(hyperion.args.get('sleepTime', 0.14))
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candles = hyperion.args.get('candles', "all")
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ledlist = hyperion.args.get('ledlist', "1")
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candlelist = ()
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if (candles == "list") and (type(ledlist) is str):
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for s in ledlist.split(','):
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i = int(s)
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if (i<hyperion.ledCount):
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candlelist += (i,)
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elif (candles == "list") and (type(ledlist) is list):
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for s in (ledlist):
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i = int(s)
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if (i<hyperion.ledCount):
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candlelist += (i,)
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else:
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candlelist = range(hyperion.ledCount)
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# Convert rgb color to hsv
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hsv = colorsys.rgb_to_hsv(color[0]/255.0, color[1]/255.0, color [2]/255.0)
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def CandleRgb():
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hue = random.uniform(hsv[0]-colorShift, hsv[0]+colorShift) % 1.0
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RAND=random.randint(0,15)
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while ((RAND & 0x0c)==0):
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RAND=random.randint(0,15)
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val = ( min(RAND, 15)/15.0001 ) * brightness
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frgb = colorsys.hsv_to_rgb(hue, hsv[1], val);
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return (int(255*frgb[0]), int(255*frgb[1]), int(255*frgb[2]))
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ledData = bytearray(hyperion.ledCount * (0,0,0) )
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while not hyperion.abort():
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if (candles == "all-together"):
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rgb = CandleRgb()
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for lednum in candlelist:
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ledData[3*lednum+0] = rgb[0]
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ledData[3*lednum+1] = rgb[1]
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ledData[3*lednum+2] = rgb[2]
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elif (candles == "all"):
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for lednum in candlelist:
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rgb = CandleRgb()
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ledData[3*lednum+0] = rgb[0]
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ledData[3*lednum+1] = rgb[1]
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ledData[3*lednum+2] = rgb[2]
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else:
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for lednum in candlelist:
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rgb = CandleRgb()
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ledData[3*lednum+0] = rgb[0]
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ledData[3*lednum+1] = rgb[1]
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ledData[3*lednum+2] = rgb[2]
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hyperion.setColor (ledData)
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time.sleep(sleepTime)
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