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SourceVuESP-IDF Framework and ExamplesESP-IDFhal_utils_calc_clk_div_integer()

hal_utils_calc_clk_div_integer() function

Calculate the clock division without fractal part

Syntax

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Summary

Declaration

Definition

from hal_utils.h:89

uint32_t hal_utils_calc_clk_div_integer(const hal_utils_clk_info_t *clk_info, uint32_t *int_div);

Implemented in hal_utils.c:113

Arguments

Argument

Description

clk_info

The clock information

int_div

The clock integral division

Return value

- 0: Failed to get the result because the division is out of range, but parameter `int_div` will still be assigned to min/max division that given in `clk_info`, in case the caller still want to use the min/max division in this case. - others: The real output clock frequency

References

Code

Location

Referrer

uint32_t hal_utils_calc_clk_div_integer(const hal_utils_clk_info_t *clk_info, uint32_t *int_div)

hal_utils.c:113

uint32_t hal_utils_calc_clk_div_integer(const hal_utils_clk_info_t *clk_info, uint32_t *int_div);

uint32_t actual_freq = hal_utils_calc_clk_div_integer(&clk_info, &prescale);

sdm_new_channel()

Call Tree

hal_utils_calc_clk_div_integer() is called by 1 function:

sdm_new_channel()

hal_utils_calc_clk_div_integer()

Data Use

hal_utils_calc_clk_div_integer() reads 7 variables:

hal_utils_div_round_opt_t::HAL_DIV_ROUND_UP

hal_utils_div_round_opt_t::HAL_DIV_ROUND

hal_utils_clk_info_t::src_freq_hz

hal_utils_clk_info_t::exp_freq_hz

hal_utils_clk_info_t::max_integ

hal_utils_clk_info_t::min_integ

hal_utils_clk_info_t::::round_opt

hal_utils_calc_clk_div_integer()

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