File: extint.py

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import pyb

# test basic functionality
ext = pyb.ExtInt('X5', pyb.ExtInt.IRQ_RISING, pyb.Pin.PULL_DOWN, lambda l:print('line:', l))
ext.disable()
ext.enable()
print(ext.line())
ext.swint()

# test swint while disabled, then again after re-enabled
ext.disable()
ext.swint()
ext.enable()
ext.swint()

# disable now that the test is finished
ext.disable()