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feat(pm): add internal pull-up/downs option for gpio used for deepsleep wakeup

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Lou Tianhao
2023-09-14 15:42:35 +08:00
parent a5caa1c724
commit 88364b8b11
3 changed files with 15 additions and 3 deletions
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10
components/esp_hw_support/include/esp_sleep.h
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@@ -340,9 +340,13 @@ esp_err_t esp_sleep_enable_ext1_wakeup_with_level_mask(uint64_t io_mask, uint64_
* @note This function does not modify pin configuration. The pins are
* configured inside esp_deep_sleep_start, immediately before entering sleep mode.
*
* @note You don't need to care to pull-up or pull-down before using this
* function, because this will be set internally in esp_deep_sleep_start
* based on the wakeup mode. BTW, when you use low level to wake up the
* @note You don't need to worry about pull-up or pull-down resistors before
* using this function because the ESP_SLEEP_GPIO_ENABLE_INTERNAL_RESISTORS
* option is enabled by default. It will automatically set pull-up or pull-down
* resistors internally in esp_deep_sleep_start based on the wakeup mode. However,
* when using external pull-up or pull-down resistors, please be sure to disable
* the ESP_SLEEP_GPIO_ENABLE_INTERNAL_RESISTORS option, as the combination of internal
* and external resistors may cause interference. BTW, when you use low level to wake up the
* chip, we strongly recommend you to add external resistors (pull-up).
*
* @param gpio_pin_mask Bit mask of GPIO numbers which will cause wakeup. Only GPIOs