ets_get_detected_xtal_freq() function

Get xtal_freq value, If value not stored in RTC_STORE5, than store.

Syntax

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Summary

Declaration

from ets_sys.h:435

uint32_t ets_get_detected_xtal_freq(void);

Return value

uint32_t : if rtc store the value (RTC_STORE5 high 16 bits and low 16 bits with same value), read from rtc register. clock = (REG_READ(RTC_STORE5) & 0xffff) << 12; else if analog_8M in efuse clock = ets_get_xtal_scale() * 15625 * ets_efuse_get_8M_clock() / 40; else clock = 26M.

References

Code

Location

Referrer

uint32_t ets_get_detected_xtal_freq(void);

ets_sys.h:435

ets_update_cpu_frequency_rom(ets_get_detected_xtal_freq() / 1000000);

sleep_modes.c:408

esp_default_wake_deep_sleep()

Call Tree

ets_get_detected_xtal_freq() is called by 1 function:

esp_default_wake_deep_sleep()

ets_get_detected_xtal_freq()

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