68 lines
1.2 KiB
Python
68 lines
1.2 KiB
Python
# test micropython.schedule() function
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import micropython
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try:
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micropython.schedule
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except AttributeError:
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print("SKIP")
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raise SystemExit
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# Basic test of scheduling a function.
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def callback(arg):
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global done
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print(arg)
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done = True
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done = False
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micropython.schedule(callback, 1)
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while not done:
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pass
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# Test that callbacks can be scheduled from within a callback, but
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# that they don't execute until the outer callback is finished.
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def callback_inner(arg):
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global done
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print("inner")
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done += 1
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def callback_outer(arg):
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global done
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micropython.schedule(callback_inner, 0)
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# need a loop so that the VM can check for pending events
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for i in range(2):
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pass
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print("outer")
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done += 1
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done = 0
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micropython.schedule(callback_outer, 0)
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while done != 2:
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pass
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# Test that scheduling too many callbacks leads to an exception. To do this we
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# must schedule from within a callback to guarantee that the scheduler is locked.
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def callback(arg):
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global done
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try:
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for i in range(100):
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micropython.schedule(lambda x: x, None)
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except RuntimeError:
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print("RuntimeError")
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done = True
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done = False
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micropython.schedule(callback, None)
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while not done:
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pass
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