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docs(system): update GPIO wakeup section for clarity on EXT0 and EXT1 support

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wuzhenghui
2026-06-02 20:52:10 +08:00
parent 30e5a5d026
commit b1a40fc626
6 changed files with 95 additions and 31 deletions
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components/esp_hw_support/include/esp_sleep.h
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@@ -489,8 +489,8 @@ esp_err_t esp_sleep_enable_gpio_wakeup_on_hp_periph_powerdown(uint64_t gpio_pin_
* @brief Enable wakeup from light sleep using GPIOs
*
* Each GPIO supports wakeup function, which can be triggered on either low level
* or high level. Unlike EXT0 and EXT1 wakeup sources, this method can be used
* both for all IOs: RTC IOs and digital IOs. It can only be used to wakeup from
* or high level. This method can be used with any IO (RTC or digital), whereas
* external RTC wakeup is limited to RTC GPIOs. It can only be used to wakeup from
* light sleep though.
*
* To enable wakeup, first call gpio_wakeup_enable, specifying gpio number and