hal_utils_clk_info_t::exp_freq_hz - syntax, references, description

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uint32_t exp_freq_hz; /*!< Expected output clock frequency, unit: Hz */

hal_utils.h:32

uint32_t div_integ = clk_info->src_freq_hz / clk_info->exp_freq_hz;

hal_utils.c:29

hal_utils_calc_clk_div_frac_fast()

uint32_t freq_error = clk_info->src_freq_hz % clk_info->exp_freq_hz;

hal_utils.c:30

hal_utils_calc_clk_div_frac_fast()

if (freq_error < clk_info->exp_freq_hz - clk_info->exp_freq_hz / (clk_info->max_fract - 1) * 2) {

hal_utils.c:35

hal_utils_calc_clk_div_frac_fast()

uint32_t gcd = hal_utils_gcd(clk_info->exp_freq_hz, freq_error);

hal_utils.c:37

hal_utils_calc_clk_div_frac_fast()

div_denom = clk_info->exp_freq_hz / gcd;

hal_utils.c:39

hal_utils_calc_clk_div_frac_fast()

uint32_t div_integ = clk_info->src_freq_hz / clk_info->exp_freq_hz;

hal_utils.c:74

hal_utils_calc_clk_div_frac_accurate()

uint32_t freq_error = clk_info->src_freq_hz % clk_info->exp_freq_hz;

hal_utils.c:75

hal_utils_calc_clk_div_frac_accurate()

if (freq_error < clk_info->exp_freq_hz - clk_info->exp_freq_hz / (clk_info->max_fract - 1) * 2) {

hal_utils.c:79

hal_utils_calc_clk_div_frac_accurate()

b = (a * freq_error + clk_info->exp_freq_hz / 2) / clk_info->exp_freq_hz;

hal_utils.c:82

hal_utils_calc_clk_div_frac_accurate()

sub = _sub_abs(clk_info->exp_freq_hz * b, freq_error * a);

hal_utils.c:83

hal_utils_calc_clk_div_frac_accurate()

uint32_t div_integ = clk_info->src_freq_hz / clk_info->exp_freq_hz;

hal_utils.c:115

hal_utils_calc_clk_div_integer()

uint32_t freq_error = clk_info->src_freq_hz % clk_info->exp_freq_hz;

hal_utils.c:116

hal_utils_calc_clk_div_integer()

.exp_freq_hz = mclk,

i2s_hal.c:55

i2s_hal_calc_mclk_precise_division()

.exp_freq_hz = config->sample_rate_hz,

sdm.c:246

sdm_new_channel()

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hal_utils_clk_info_t::exp_freq_hz is read by 3 functions:

hal_utils_clk_info_t::exp_freq_hz

hal_utils_calc_clk_div_frac_fast()

hal_utils_calc_clk_div_frac_accurate()

hal_utils_calc_clk_div_integer()

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hal_utils_clk_info_t::exp_freq_hz field

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