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esp_hw_support: Fix time jump after reboot

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Closes https://github.com/espressif/esp-idf/issues/9448
This commit is contained in:
KonstantinKondrashov 2022-10-27 21:45:38 +08:00
parent 91c60b9cbd
commit 2c3f30378f
1 changed files with 5 additions and 1 deletions
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6
components/newlib/port/esp_time_impl.c
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@ -61,7 +61,7 @@ static uint64_t s_boot_time; // when RTC is used to persist time, two RTC_STORE
static _lock_t s_boot_time_lock; static _lock_t s_boot_time_lock;
static _lock_t s_esp_rtc_time_lock; static _lock_t s_esp_rtc_time_lock;
static RTC_DATA_ATTR uint64_t s_esp_rtc_time_us = 0, s_rtc_last_ticks = 0; static RTC_NOINIT_ATTR uint64_t s_esp_rtc_time_us, s_rtc_last_ticks;
#if defined( CONFIG_ESP_TIME_FUNCS_USE_ESP_TIMER ) || defined( CONFIG_ESP_TIME_FUNCS_USE_RTC_TIMER ) #if defined( CONFIG_ESP_TIME_FUNCS_USE_ESP_TIMER ) || defined( CONFIG_ESP_TIME_FUNCS_USE_RTC_TIMER )
uint64_t esp_time_impl_get_time_since_boot(void) uint64_t esp_time_impl_get_time_since_boot(void)
@ -137,6 +137,10 @@ uint64_t esp_rtc_get_time_us(void)
{ {
_lock_acquire(&s_esp_rtc_time_lock); _lock_acquire(&s_esp_rtc_time_lock);
const uint32_t cal = esp_clk_slowclk_cal_get(); const uint32_t cal = esp_clk_slowclk_cal_get();
if (cal == 0) {
s_esp_rtc_time_us = 0;
s_rtc_last_ticks = 0;
}
const uint64_t rtc_this_ticks = rtc_time_get(); const uint64_t rtc_this_ticks = rtc_time_get();
const uint64_t ticks = rtc_this_ticks - s_rtc_last_ticks; const uint64_t ticks = rtc_this_ticks - s_rtc_last_ticks;
/* RTC counter result is up to 2^48, calibration factor is up to 2^24, /* RTC counter result is up to 2^48, calibration factor is up to 2^24,