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fix(esp_hw_support): fixed gpio sleep switching filling junk data to the console UART FIFO

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This commit is contained in:
wuzhenghui
2025-03-28 19:27:52 +08:00
parent daedd40689
commit f86ea55bd3
2 changed files with 30 additions and 6 deletions
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29
components/esp_hw_support/sleep_gpio.c
View File

@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -21,6 +21,7 @@
#include "hal/gpio_hal.h"
#include "hal/rtc_io_hal.h"
#include "soc/rtc_io_periph.h"
#include "soc/uart_channel.h"
#if SOC_LP_AON_SUPPORTED
#include "hal/lp_aon_hal.h"
@ -101,6 +102,32 @@ void esp_sleep_enable_gpio_switch(bool enable)
ESP_EARLY_LOGI(TAG, "%s automatic switching of GPIO sleep configuration", enable ? "Enable" : "Disable");
for (gpio_num_t gpio_num = GPIO_NUM_0; gpio_num < GPIO_NUM_MAX; gpio_num++) {
if (GPIO_IS_VALID_GPIO(gpio_num)) {
#if CONFIG_ESP_CONSOLE_UART
#if CONFIG_ESP_CONSOLE_UART_CUSTOM
const int uart_tx_gpio = (CONFIG_ESP_CONSOLE_UART_TX_GPIO >= 0) ? CONFIG_ESP_CONSOLE_UART_TX_GPIO : UART_NUM_0_TXD_DIRECT_GPIO_NUM;
const int uart_rx_gpio = (CONFIG_ESP_CONSOLE_UART_RX_GPIO >= 0) ? CONFIG_ESP_CONSOLE_UART_RX_GPIO : UART_NUM_0_RXD_DIRECT_GPIO_NUM;
if ((gpio_num == uart_tx_gpio) || (gpio_num == uart_rx_gpio)) {
#else
if ((gpio_num == UART_NUM_0_TXD_DIRECT_GPIO_NUM) || (gpio_num == UART_NUM_0_RXD_DIRECT_GPIO_NUM)) {
#endif
gpio_sleep_sel_dis(gpio_num);
continue;
}
#endif
/* If the PSRAM is disable in ESP32xx chips equipped with PSRAM, there will be a large current leakage. */
#if CONFIG_ESP_SLEEP_PSRAM_LEAKAGE_WORKAROUND && CONFIG_SPIRAM
if (gpio_num == esp_mspi_get_io(ESP_MSPI_IO_CS1)) {
gpio_sleep_sel_dis(gpio_num);
continue;
}
#endif // CONFIG_ESP_SLEEP_PSRAM_LEAKAGE_WORKAROUND && CONFIG_SPIRAM
#if CONFIG_ESP_SLEEP_FLASH_LEAKAGE_WORKAROUND
if (gpio_num == esp_mspi_get_io(ESP_MSPI_IO_CS0)) {
gpio_sleep_sel_dis(gpio_num);
continue;
}
#endif // CONFIG_ESP_SLEEP_FLASH_LEAKAGE_WORKAROUND
if (enable) {
gpio_sleep_sel_en(gpio_num);
} else {

7
examples/system/light_sleep/main/uart_wakeup.c
View File

@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2025 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Unlicense OR CC0-1.0
*/
@ -119,10 +119,7 @@ static esp_err_t uart_initialization(void)
static esp_err_t uart_wakeup_config(void)
{
/* UART will wakeup the chip up from light sleep if the edges that RX pin received has reached the threshold
* Besides, the Rx pin need extra configuration to enable it can work during light sleep */
ESP_RETURN_ON_ERROR(gpio_sleep_set_direction(EXAMPLE_UART_RX_IO_NUM, GPIO_MODE_INPUT), TAG, "Set uart sleep gpio failed");
ESP_RETURN_ON_ERROR(gpio_sleep_set_pull_mode(EXAMPLE_UART_RX_IO_NUM, GPIO_PULLUP_ONLY), TAG, "Set uart sleep gpio failed");
/* UART will wakeup the chip up from light sleep if the edges that RX pin received has reached the threshold */
ESP_RETURN_ON_ERROR(uart_set_wakeup_threshold(EXAMPLE_UART_NUM, EXAMPLE_UART_WAKEUP_THRESHOLD),
TAG, "Set uart wakeup threshold failed");
/* Only uart0 and uart1 (if has) support to be configured as wakeup source */