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fix(ulp): record wakeup causes before lp core request sleep

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This commit is contained in:
hebinglin
2026-06-01 21:11:48 +08:00
parent 8c59da477b
commit 4a42a8847b
18 changed files with 148 additions and 18 deletions
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components/esp_hw_support/sleep_modes.c
+12
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@@ -73,6 +73,9 @@
#include "hal/touch_sens_hal.h"
#endif
#include "hal/mspi_ll.h"
#if SOC_LP_CORE_HW_AUTO_CLRWAKEUPCAUSE
#include "hal/lp_aon_hal.h"
#endif
#include "sdkconfig.h"
#include "esp_rom_uart.h"
@@ -2364,6 +2367,15 @@ uint32_t esp_sleep_get_wakeup_causes(void)
uint32_t wakeup_cause_raw = rtc_cntl_ll_get_wakeup_cause();
#endif
#if SOC_LP_CORE_HW_AUTO_CLRWAKEUPCAUSE
/* LP store register to read wakeup cause saved by LP core.
* Must match the register used in lp_core_utils.c */
uint32_t lp_core_wakeup_cause_status0 = lp_aon_hal_load_wakeup_cause();
if ((wakeup_cause_raw == 0) && (lp_core_wakeup_cause_status0 != 0)) {
wakeup_cause_raw = lp_core_wakeup_cause_status0;
}
#endif
if (wakeup_cause_raw & RTC_TIMER_TRIG_EN) {
wakeup_cause |= BIT(ESP_SLEEP_WAKEUP_TIMER);
}