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import itertools
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import sys
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import RPIO
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outputs = [23, 24, 25, 8, 7]
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out_iterator = itertools.cycle(outputs)
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CURRENT = outputs[0]
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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 input
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RPIO.setup(22, RPIO.IN)
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# Setup all five outputs
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for gpio in outputs:
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RPIO.setup(gpio, RPIO.OUT)
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RPIO.output(gpio, False)
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# Setup switch interrupt with debounce
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RPIO.add_interrupt_callback(22, switch_callback, edge='rising',
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pull_up_down=RPIO.PUD_DOWN, threaded_callback=True,
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debounce_timeout_ms=150)
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print 'Okay, waiting for interrupts...'
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# Main (blocking) loop
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while True:
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RPIO.wait_for_interrupts()
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def switch_callback(gpio_id, val):
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global CURRENT
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print 'Switch activated! %s --- %s' % (gpio_id, val)
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# Turn off current LED
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RPIO.output(CURRENT, False)
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# Get next output and turn it on
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CURRENT = out_iterator.next()
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print CURRENT
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RPIO.output(CURRENT, True)
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if __name__ == '__main__':
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sys.exit(main())
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