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SourceVuESP-IDF Framework and ExamplesESP-IDFclk_hal_soc_root_get_freq_mhz()

clk_hal_soc_root_get_freq_mhz() function

Get SOC_ROOT_CLK frequency

Syntax

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Summary

Declaration

Definition

from clk_tree_hal.h:25

uint32_t clk_hal_soc_root_get_freq_mhz(soc_cpu_clk_src_t cpu_clk_src);

Implemented in clk_tree_hal.c:16

Arguments

Argument

Description

cpu_clk_src

One of the clock sources in soc_cpu_clk_src_t

Return value

SOC ROOT clock frequency, in MHz. Returns 0 if input argument is invalid.

References

Code

Location

Referrer

uint32_t clk_hal_soc_root_get_freq_mhz(soc_cpu_clk_src_t cpu_clk_src)

clk_tree_hal.c:16

uint32_t clk_hal_soc_root_get_freq_mhz(soc_cpu_clk_src_t cpu_clk_src);

clk_tree_hal.h:25

return clk_hal_soc_root_get_freq_mhz(source) * MHZ / clk_ll_cpu_get_divider();

clk_tree_hal.c:50

clk_hal_cpu_get_freq_hz()

Call Tree

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

clk_hal_cpu_get_freq_hz()

clk_hal_soc_root_get_freq_mhz()

__assert_func()

clk_ll_bbpll_get_freq_mhz()

clk_hal_xtal_get_freq_mhz()

clk_hal_apll_get_freq_hz()

abort()

Data Use

clk_hal_soc_root_get_freq_mhz() reads 4 variables:

soc_cpu_clk_src_t::SOC_CPU_CLK_SRC_PLL

soc_cpu_clk_src_t::SOC_CPU_CLK_SRC_RC_FAST

soc_cpu_clk_src_t::SOC_CPU_CLK_SRC_APLL

soc_cpu_clk_src_t::SOC_CPU_CLK_SRC_XTAL

clk_hal_soc_root_get_freq_mhz()

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