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import random
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import sys
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import time
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import RPIO
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outputs = [23, 24, 25, 8, 7]
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def main():
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# Use the BCM addressing scheme
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RPIO.setmode(RPIO.BCM)
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# Setup all five outputs
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for RPIO in outputs:
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RPIO.setup(RPIO, RPIO.OUT)
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RPIO.output(RPIO, False)
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while True:
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cylon()
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randomize()
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turn_on_top_down()
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turn_off_top_down()
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turn_on_bottom_up()
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turn_off_bottom_up()
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def turn_on_top_down():
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for RPIO in outputs:
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RPIO.output(RPIO, True)
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time.sleep(.25)
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def turn_on_bottom_up():
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for RPIO in reversed(outputs):
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RPIO.output(RPIO, True)
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time.sleep(.25)
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def turn_off_top_down():
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for RPIO in outputs:
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RPIO.output(RPIO, False)
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time.sleep(.25)
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def turn_off_bottom_up():
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for RPIO in reversed(outputs):
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RPIO.output(RPIO, False)
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time.sleep(.25)
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def cylon():
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for RPIO in outputs[:-1]:
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RPIO.output(RPIO, True)
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time.sleep(.08)
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RPIO.output(RPIO, False)
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for RPIO in outputs[::-1][:-1]:
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RPIO.output(RPIO, True)
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time.sleep(.08)
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RPIO.output(RPIO, False)
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def randomize():
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rand_val = random.randint(0, 31)
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# LED1 - RPIO23
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if rand_val & 0b00001:
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RPIO.output(23, True)
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else:
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RPIO.output(23, False)
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# LED2 - RPIO24
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if rand_val & 0b00010:
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RPIO.output(24, True)
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else:
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RPIO.output(24, False)
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# LED3 - RPIO25
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if rand_val & 0b00100:
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RPIO.output(25, True)
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else:
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RPIO.output(25, False)
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# LED4 - RPIO8
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if rand_val & 0b01000:
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RPIO.output(8, True)
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else:
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RPIO.output(8, False)
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# LED5 - RPIO7
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if rand_val & 0b10000:
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RPIO.output(7, True)
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else:
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RPIO.output(7, False)
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time.sleep(0.1)
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if __name__ == '__main__':
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sys.exit(main())
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