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SourceVuESP-IDF Framework and ExamplesESP-IDFrtc_clk_apll_coeff_calc()

rtc_clk_apll_coeff_calc() function

Calculate APLL clock coeffifcients

Syntax

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Summary

Declaration

Definition

from rtc.h:250

uint32_t rtc_clk_apll_coeff_calc(uint32_t freq, uint32_t *_o_div, uint32_t *_sdm0, uint32_t *_sdm1, uint32_t *_sdm2);

Implemented in rtc_clk.c:201

Arguments

Argument

Declared as

Description

freq

uint32_t

expected APLL frequency

_o_div

uint32_t *

_sdm0

uint32_t *

_sdm1

uint32_t *

_sdm2

uint32_t *

Return value

- 0 Failed - else Success

References

Code

Location

Referrer

uint32_t rtc_clk_apll_coeff_calc(uint32_t freq, uint32_t *_o_div, uint32_t *_sdm0, uint32_t *_sdm1, uint32_t *_sdm2)

rtc_clk.c:201

uint32_t rtc_clk_apll_coeff_calc(uint32_t freq, uint32_t *_o_div, uint32_t *_sdm0, uint32_t *_sdm1, uint32_t *_sdm2);

rtc.h:250

uint32_t apll_freq = rtc_clk_apll_coeff_calc(expt_freq, &o_div, &sdm0, &sdm1, &sdm2);

clk_ctrl_os.c:112

periph_rtc_apll_freq_set()

Call Tree

rtc_clk_apll_coeff_calc() is called by 1 function and calls 5 functions:

periph_rtc_apll_freq_set()

rtc_clk_apll_coeff_calc()

esp_log_get_default_level()

abort()

esp_rom_printf()

esp_log_timestamp()

rtc_clk_xtal_freq_get()

Data Use

rtc_clk_apll_coeff_calc() reads 2 variables:

esp_log_level_t::ESP_LOG_ERROR

TAG

rtc_clk_apll_coeff_calc()

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