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Merge branch 'feat/add_internal_pull_up_or_pull_down_option_for_deepsleep_wakeup_prepare_v5.1' into 'release/v5.1'
feat(pm): add internal pull-up/downs option for gpio used for deepsleep wakeup (backport v5.1) See merge request espressif/esp-idf!26040
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@ -154,6 +154,13 @@ menu "Hardware Settings"
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If you are seeing "flash read err, 1000" message printed to the
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console after deep sleep reset, try increasing this value.
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config ESP_SLEEP_GPIO_ENABLE_INTERNAL_RESISTORS
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bool "Allow to enable internal pull-up/downs for the Deep-Sleep wakeup IOs"
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default y
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help
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When using rtc gpio wakeup source during deepsleep without external pull-up/downs, you may want to
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make use of the internal ones.
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endmenu
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menu "ESP_SLEEP_WORKAROUND"
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@ -300,9 +300,13 @@ esp_err_t esp_sleep_enable_ext1_wakeup(uint64_t mask, esp_sleep_ext1_wakeup_mode
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* @note This function does not modify pin configuration. The pins are
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* configured inside esp_deep_sleep_start, immediately before entering sleep mode.
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*
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* @note You don't need to care to pull-up or pull-down before using this
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* function, because this will be set internally in esp_deep_sleep_start
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* based on the wakeup mode. BTW, when you use low level to wake up the
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* @note You don't need to worry about pull-up or pull-down resistors before
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* using this function because the ESP_SLEEP_GPIO_ENABLE_INTERNAL_RESISTORS
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* option is enabled by default. It will automatically set pull-up or pull-down
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* resistors internally in esp_deep_sleep_start based on the wakeup mode. However,
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* when using external pull-up or pull-down resistors, please be sure to disable
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* the ESP_SLEEP_GPIO_ENABLE_INTERNAL_RESISTORS option, as the combination of internal
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* and external resistors may cause interference. BTW, when you use low level to wake up the
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* chip, we strongly recommend you to add external resistors (pull-up).
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*
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* @param gpio_pin_mask Bit mask of GPIO numbers which will cause wakeup. Only GPIOs
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@ -1438,6 +1438,7 @@ static void gpio_deep_sleep_wakeup_prepare(void)
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if (((1ULL << gpio_idx) & s_config.gpio_wakeup_mask) == 0) {
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continue;
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}
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#if CONFIG_ESP_SLEEP_GPIO_ENABLE_INTERNAL_RESISTORS
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if (s_config.gpio_trigger_mode & BIT(gpio_idx)) {
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ESP_ERROR_CHECK(gpio_pullup_dis(gpio_idx));
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ESP_ERROR_CHECK(gpio_pulldown_en(gpio_idx));
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@ -1445,6 +1446,7 @@ static void gpio_deep_sleep_wakeup_prepare(void)
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ESP_ERROR_CHECK(gpio_pullup_en(gpio_idx));
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ESP_ERROR_CHECK(gpio_pulldown_dis(gpio_idx));
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}
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#endif
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ESP_ERROR_CHECK(gpio_hold_en(gpio_idx));
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}
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// Clear state from previous wakeup
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