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14 lines
342 B
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14 lines
342 B
ReStructuredText
Power control
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=============
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:meth:`pyb.wfi` is used to reduce power consumption while waiting for an
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event such as an interrupt. You would use it in the following situation::
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while True:
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do_some_processing()
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pyb.wfi()
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Control the frequency using :meth:`pyb.freq`::
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pyb.freq(30000000) # set CPU frequency to 30MHz
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