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SourceVuESP-IDF Framework and ExamplesESP-IDFesp_clk_tree_rc_fast_get_freq_hz()

esp_clk_tree_rc_fast_get_freq_hz() function

Get frequency of RC_FAST_CLK

Syntax

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Summary

Declaration

Definition

from esp_clk_tree_common.h:58

uint32_t esp_clk_tree_rc_fast_get_freq_hz(esp_clk_tree_src_freq_precision_t precision);

Implemented in esp_clk_tree_common.c:152

Arguments

Argument

Description

precision

Degree of precision of the returned frequency value, one of esp_clk_tree_src_freq_precision_t values

Return value

RC_FAST clock frequency, in Hz. Returns 0 if degree of precision is invalid or calibration failed.

References

Code

Location

Referrer

uint32_t esp_clk_tree_rc_fast_get_freq_hz(esp_clk_tree_src_freq_precision_t precision)

esp_clk_tree_common.c:152

uint32_t esp_clk_tree_rc_fast_get_freq_hz(esp_clk_tree_src_freq_precision_t precision);

esp_clk_tree_common.h:58

s_rc_fast_freq = esp_clk_tree_rc_fast_get_freq_hz(ESP_CLK_TREE_SRC_FREQ_PRECISION_EXACT);

clk_ctrl_os.c:44

periph_rtc_dig_clk8m_enable()

clk_src_freq = esp_clk_tree_rc_fast_get_freq_hz(precision);

esp_clk_tree.c:49

esp_clk_tree_src_get_freq_hz()

return esp_clk_tree_rc_fast_get_freq_hz(precision) / clk_ll_rc_fast_get_divider();

esp_clk_tree_common.c:189

esp_clk_tree_lp_fast_get_freq_hz()

Call Tree

esp_clk_tree_rc_fast_get_freq_hz() is called by 3 functions and calls 1 function:

esp_clk_tree_lp_fast_get_freq_hz()

periph_rtc_dig_clk8m_enable()

esp_clk_tree_src_get_freq_hz()

esp_clk_tree_rc_fast_get_freq_hz()

esp_clk_tree_rc_fast_d256_get_freq_hz()

Data Use

esp_clk_tree_rc_fast_get_freq_hz() reads 1 variable:

esp_clk_tree_src_freq_precision_t::ESP_CLK_TREE_SRC_FREQ_PRECISION_APPROX

esp_clk_tree_rc_fast_get_freq_hz()

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