ESP32 RTC Reset

esp_rtc_reset.c

#include "soc/rtc_cntl_struct.h"
#include "hal/wdt_types.h"
#include "hal/rwdt_ll.h"

void __attribute__((noreturn)) esp_rtc_reset(void)
{
    rwdt_ll_write_protect_disable(&RTCCNTL);
    rwdt_ll_disable(&RTCCNTL);
    rwdt_ll_config_stage(&RTCCNTL, WDT_STAGE0, 0, WDT_STAGE_ACTION_RESET_RTC);
    rwdt_ll_disable_stage(&RTCCNTL, WDT_STAGE1);
    rwdt_ll_disable_stage(&RTCCNTL, WDT_STAGE2);
    rwdt_ll_disable_stage(&RTCCNTL, WDT_STAGE3);
    rwdt_ll_set_sys_reset_length(&RTCCNTL, WDT_RESET_SIG_LENGTH_3_2us);
    rwdt_ll_feed(&RTCCNTL);
    rwdt_ll_enable(&RTCCNTL);
    rwdt_ll_write_protect_enable(&RTCCNTL);
    for(;;);
}