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change(esp_hw_support): reduce the ram size for rwdt monitoring during sleep

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hebinglin
2026-01-20 20:09:22 +08:00
parent 2554f1265c
commit b683d47ab6
1 changed files with 8 additions and 2 deletions
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components/esp_hw_support/sleep_modes.c
+8 -2
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@@ -348,8 +348,10 @@ void esp_sleep_overhead_out_time_refresh(void)
static uint32_t get_power_down_flags(void);
static uint32_t get_sleep_flags(uint32_t pd_flags, bool deepsleep);
static uint32_t get_sleep_clock_icg_flags(void);
#if CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_SLEEP || CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_DEEP_SLEEP
static uint32_t get_sleep_rtc_wdt_timeout(uint64_t sleep_duration);
static uint32_t calc_sleep_slow_clk_required_cycles(uint32_t timeout, uint32_t rtc_slow_clk_cal_period);
#endif
#if SOC_PM_SUPPORT_EXT0_WAKEUP
static void ext0_wakeup_prepare(void);
#endif
@@ -776,8 +778,12 @@ static SLEEP_FN_ATTR void sleep_rtc_wdt_prepare(bool enable)
if (enable) {
wdt_hal_init(&rtc_wdt_ctx, WDT_RWDT, 0, false);
// Use default timeout for sleep monitoring
#if CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_SLEEP || CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_DEEP_SLEEP
uint32_t rtc_wdt_timeout = get_sleep_rtc_wdt_timeout(s_config.sleep_duration);
uint32_t rtc_wdt_timeout_required_cycles = calc_sleep_slow_clk_required_cycles(rtc_wdt_timeout, s_config.rtc_clk_cal_period);
#else
uint32_t rtc_wdt_timeout_required_cycles = (uint32_t)(1000ULL * rtc_clk_slow_freq_get_hz() / 1000ULL);
#endif
wdt_hal_write_protect_disable(&rtc_wdt_ctx);
wdt_hal_config_stage(&rtc_wdt_ctx, WDT_STAGE0, rtc_wdt_timeout_required_cycles, WDT_STAGE_ACTION_RESET_RTC);
wdt_hal_enable(&rtc_wdt_ctx);
@@ -2959,6 +2965,7 @@ static SLEEP_FN_ATTR uint32_t get_sleep_clock_icg_flags(void)
return clk_flags;
}
#if CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_SLEEP || CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_DEEP_SLEEP
/* TODO: PM-609 */
/* Calculate drift cycles of rtc slow clock in long-term working scenarios. */
static SLEEP_FN_ATTR uint32_t calc_sleep_slow_clk_required_cycles(uint32_t timeout, uint32_t rtc_slow_clk_cal_period)
@@ -2980,13 +2987,12 @@ static SLEEP_FN_ATTR uint32_t get_sleep_rtc_wdt_timeout(uint64_t sleep_duration)
uint32_t sleep_timeout = 0;
uint32_t rtc_wdt_timeout = 0;
#if CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_SLEEP || CONFIG_ESP_SLEEP_ENABLE_RTC_WDT_IN_DEEP_SLEEP
sleep_timeout = (uint32_t)sleep_duration;
#endif
rtc_wdt_timeout = default_timeout + sleep_timeout;
return rtc_wdt_timeout;
}
#endif
#if CONFIG_IDF_TARGET_ESP32
/* APP core of esp32 can't access to RTC FAST MEMORY, do not define it with RTC_IRAM_ATTR */