47 lines
919 B
Python
47 lines
919 B
Python
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# test that basic scheduling of tasks, and uasyncio.sleep_ms, does not use the heap
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import micropython
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# strict stackless builds can't call functions without allocating a frame on the heap
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try:
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f = lambda: 0
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micropython.heap_lock()
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f()
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micropython.heap_unlock()
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except RuntimeError:
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print("SKIP")
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raise SystemExit
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try:
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import uasyncio as asyncio
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except ImportError:
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try:
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import asyncio
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except ImportError:
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print("SKIP")
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raise SystemExit
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async def task(id, n, t):
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for i in range(n):
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print(id, i)
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await asyncio.sleep_ms(t)
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async def main():
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t1 = asyncio.create_task(task(1, 4, 10))
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t2 = asyncio.create_task(task(2, 4, 25))
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micropython.heap_lock()
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print("start")
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await asyncio.sleep_ms(1)
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print("sleep")
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await asyncio.sleep_ms(100)
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print("finish")
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micropython.heap_unlock()
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asyncio.run(main())
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