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Diffstat (limited to 'docs/tutorial/power_ctrl.rst')
| -rw-r--r-- | docs/tutorial/power_ctrl.rst | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/docs/tutorial/power_ctrl.rst b/docs/tutorial/power_ctrl.rst new file mode 100644 index 0000000000..877b7cd7ee --- /dev/null +++ b/docs/tutorial/power_ctrl.rst @@ -0,0 +1,13 @@ +Power control +============= + +:meth:`pyb.wfi` is used to reduce power consumption while waiting for an +event such as an interrupt. You would use it in the following situation:: + + while True: + do_some_processing() + pyb.wfi() + +Control the frequency using :meth:`pyb.freq`:: + + pyb.freq(30000000) # set CPU frequency to 30MHz |