Mirrors/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2026-10-02 03:00:34 +03:00
Code Issues Packages Projects Releases Wiki Activity

refactor(rtcio): split rtcio/gpio switch with rtc iomux func sel func

Browse Source 
This allows rtc_gpio_deinit to always switch the pad back to GPIO,
regardless of lp io clock enabled or not, so that gpio_config can
always switch the IO back to GPIO use after wakeup from deep sleep.
This commit is contained in:
Song Ruo Jing
2026-04-29 12:17:37 +08:00
parent b202b1352e
commit 1d50587ab2
12 changed files with 87 additions and 94 deletions
Download Patch File Download Diff File Expand all files Collapse all files
components/esp_driver_gpio/src/rtc_io.c
+9 -3
View File
@@ -54,7 +54,13 @@ esp_err_t rtc_gpio_init(gpio_num_t gpio_num)
#if SOC_LP_IO_CLOCK_IS_INDEPENDENT
io_mux_enable_lp_io_clock(gpio_num, true);
#endif
rtcio_hal_function_select(rtc_io_number_get(gpio_num), RTCIO_LL_FUNC_RTC);
int rtcio_num = rtc_io_number_get(gpio_num);
// Select the pad as RTC GPIO
rtcio_hal_function_select(rtcio_num, RTCIO_LL_FUNC_RTC);
#if SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
// Select LP GPIO function
rtcio_hal_iomux_func_sel(rtcio_num, RTCIO_LL_PIN_FUNC);
#endif
RTCIO_EXIT_CRITICAL();
return ESP_OK;
@@ -64,9 +70,9 @@ esp_err_t rtc_gpio_deinit(gpio_num_t gpio_num)
{
ESP_RETURN_ON_FALSE(rtc_gpio_is_valid_gpio(gpio_num), ESP_ERR_INVALID_ARG, RTCIO_TAG, "RTCIO number error");
RTCIO_ENTER_CRITICAL();
// Select the pad as Digital GPIO (this is usually in AON domain, not relying on lp io clock)
rtcio_hal_function_select(rtc_io_number_get(gpio_num), RTCIO_LL_FUNC_DIGITAL);
if (io_mux_is_lp_io_in_use(gpio_num)) {
// Select GPIO as Digital GPIO
rtcio_hal_function_select(rtc_io_number_get(gpio_num), RTCIO_LL_FUNC_DIGITAL);
#if SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
// Disable any configuration of the RTC IO that may affect the GPIO behavior
rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED);