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SourceVuESP-IDF Framework and ExamplesESP-IDFg_startup_time

g_startup_time variable

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Declaration

Definition

from startup_internal.h:90

extern uint64_t g_startup_time;

Implemented in startup.c:31

References

Code

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Referrer

uint64_t g_startup_time = 0;

extern uint64_t g_startup_time; // Startup time that serves as the point of origin for system time. Should be set by the entry

startup_internal.h:90

g_startup_time = esp_rtc_get_time_us();

cpu_start.c:723

call_start_cpu0()

t = (esp_rtc_get_time_us() - g_startup_time);

system_time.c:46

esp_system_get_time()

s_correction_us = esp_rtc_get_time_us() - g_startup_time - esp_timer_impl_get_time();

system_time.c:51

esp_timer_impl_init_system_time()

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Data Use

g_startup_time is written by 1 function and is read by 2 functions:

call_start_cpu0()

g_startup_time

esp_system_get_time()

esp_timer_impl_init_system_time()

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