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rmolina/ci20-led-and-btn.py

Created June 17, 2015 17:36
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Using the onboard led and button on a MIPS® Creator CI20 board
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ci20-led-and-btn.py
from twisted.internet import reactor
from sysfs.gpio import GPIOController as Controller
from sysfs.gpio import GPIOPinDirection as Direction
from sysfs.gpio import GPIOPinEdge as Edge
Controller().available_pins = [113, 175]
led = Controller().alloc_pin(175, Direction.OUTPUT)
def btn_changed(pin, state): led.value(state)
btn = Controller().alloc_pin(113, Direction.INPUT, btn_changed, Edge.BOTH)
reactor.run()
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