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fix(example): fix uninitialized gpio/rtcio in deepsleep example

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This commit is contained in:
wuzhenghui
2026-02-13 16:27:32 +08:00
parent 17a019ab90
commit bf31d0396e
1 changed files with 11 additions and 2 deletions
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examples/system/deep_sleep/main/ext_wakeup.c
+11 -2
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@@ -1,5 +1,5 @@
/* /*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD * SPDX-FileCopyrightText: 2023-2026 Espressif Systems (Shanghai) CO LTD
* *
* SPDX-License-Identifier: Unlicense OR CC0-1.0 * SPDX-License-Identifier: Unlicense OR CC0-1.0
*/ */
@@ -7,6 +7,7 @@
#include <stdio.h> #include <stdio.h>
#include "esp_sleep.h" #include "esp_sleep.h"
#include "sdkconfig.h" #include "sdkconfig.h"
#include "driver/gpio.h"
#include "driver/rtc_io.h" #include "driver/rtc_io.h"
@@ -25,6 +26,7 @@ void example_deep_sleep_register_ext0_wakeup(void)
// Configure pullup/downs via RTCIO to tie wakeup pins to inactive level during deepsleep. // Configure pullup/downs via RTCIO to tie wakeup pins to inactive level during deepsleep.
// EXT0 resides in the same power domain (RTC_PERIPH) as the RTC IO pullup/downs. // EXT0 resides in the same power domain (RTC_PERIPH) as the RTC IO pullup/downs.
// No need to keep that power domain explicitly, unlike EXT1. // No need to keep that power domain explicitly, unlike EXT1.
ESP_ERROR_CHECK(rtc_gpio_init(ext_wakeup_pin_0));
ESP_ERROR_CHECK(rtc_gpio_pullup_dis(ext_wakeup_pin_0)); ESP_ERROR_CHECK(rtc_gpio_pullup_dis(ext_wakeup_pin_0));
ESP_ERROR_CHECK(rtc_gpio_pulldown_en(ext_wakeup_pin_0)); ESP_ERROR_CHECK(rtc_gpio_pulldown_en(ext_wakeup_pin_0));
} }
@@ -48,10 +50,12 @@ void example_deep_sleep_register_ext1_wakeup(void)
/* If there are no external pull-up/downs, tie wakeup pins to inactive level with internal pull-up/downs via RTC IO /* If there are no external pull-up/downs, tie wakeup pins to inactive level with internal pull-up/downs via RTC IO
* during deepsleep. However, RTC IO relies on the RTC_PERIPH power domain. Keeping this power domain on will * during deepsleep. However, RTC IO relies on the RTC_PERIPH power domain. Keeping this power domain on will
* increase some power comsumption. However, if we turn off the RTC_PERIPH domain or if certain chips lack the RTC_PERIPH * increase some power consumption. However, if we turn off the RTC_PERIPH domain or if certain chips lack the RTC_PERIPH
* domain, we will use the HOLD feature to maintain the pull-up and pull-down on the pins during sleep.*/ * domain, we will use the HOLD feature to maintain the pull-up and pull-down on the pins during sleep.*/
#if CONFIG_EXAMPLE_EXT1_USE_INTERNAL_PULLUPS #if CONFIG_EXAMPLE_EXT1_USE_INTERNAL_PULLUPS
#if SOC_RTCIO_INPUT_OUTPUT_SUPPORTED #if SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
ESP_ERROR_CHECK(rtc_gpio_init(ext_wakeup_pin_1));
ESP_ERROR_CHECK(rtc_gpio_init(ext_wakeup_pin_2));
#if SOC_PM_SUPPORT_EXT1_WAKEUP_MODE_PER_PIN #if SOC_PM_SUPPORT_EXT1_WAKEUP_MODE_PER_PIN
if (CONFIG_EXAMPLE_EXT1_WAKEUP_MODE_PIN_1) { if (CONFIG_EXAMPLE_EXT1_WAKEUP_MODE_PIN_1) {
ESP_ERROR_CHECK(rtc_gpio_pullup_dis(ext_wakeup_pin_1)); ESP_ERROR_CHECK(rtc_gpio_pullup_dis(ext_wakeup_pin_1));
@@ -81,6 +85,11 @@ void example_deep_sleep_register_ext1_wakeup(void)
} }
#endif #endif
#else // ! SOC_RTCIO_INPUT_OUTPUT_SUPPORTED #else // ! SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
const gpio_config_t config = {
.pin_bit_mask = BIT(ext_wakeup_pin_1) | BIT(ext_wakeup_pin_2),
.mode = GPIO_MODE_INPUT,
};
ESP_ERROR_CHECK(gpio_config(&config));
#if SOC_PM_SUPPORT_EXT1_WAKEUP_MODE_PER_PIN #if SOC_PM_SUPPORT_EXT1_WAKEUP_MODE_PER_PIN
if (CONFIG_EXAMPLE_EXT1_WAKEUP_MODE_PIN_1) { if (CONFIG_EXAMPLE_EXT1_WAKEUP_MODE_PIN_1) {
gpio_pullup_dis(ext_wakeup_pin_1); gpio_pullup_dis(ext_wakeup_pin_1);