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import time
import pyb
def test_irq():
# test basic disable/enable
i1 = pyb.disable_irq()
print(i1)
pyb.enable_irq() # by default should enable IRQ
# check that interrupts are enabled by waiting for ticks
time.sleep_ms(10)
# check nested disable/enable
i1 = pyb.disable_irq()
i2 = pyb.disable_irq()
print(i1, i2)
pyb.enable_irq(i2)
pyb.enable_irq(i1)
# check that interrupts are enabled by waiting for ticks
time.sleep_ms(10)
test_irq()
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