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deep sleep: keep RTC_SLOW_MEM powered on if data is placed into RTC slow memory

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Ivan Grokhotkov
2017-01-11 17:23:23 +08:00
parent e4811216ff
commit 9aa0e29079
4 changed files with 17 additions and 7 deletions
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docs/api/deep_sleep.rst
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@@ -73,6 +73,8 @@ By default, ``esp_deep_sleep_start`` function will power down all RTC power doma
Note: on the first revision of the ESP32, RTC fast memory will always be kept enabled in deep sleep, so that the deep sleep stub can run after reset. This can be overriden, if the application doesn't need clean reset behaviour after deep sleep.
If some variables in the program are placed into RTC slow memory (for example, using ``RTC_DATA_ATTR`` attribute), RTC slow memory will be kept powered on by default. This can be overriden using ``esp_deep_sleep_pd_config`` function, if desired.
.. doxygenfunction:: esp_deep_sleep_pd_config
.. doxygenenum:: esp_deep_sleep_pd_domain_t
.. doxygenenum:: esp_deep_sleep_pd_option_t