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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_clk_config_t

i2s_clk_config_t struct

General clock configuration information

Syntax

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Summary

Declaration

from i2s_legacy.c:103

typedef struct { uint32_t sample_rate_hz; i2s_clock_src_t clk_src; i2s_mclk_multiple_t mclk_multiple; #if SOC_I2S_SUPPORTS_PDM_TX uint32_t up_sample_fp; uint32_t up_sample_fs; #endif #if SOC_I2S_SUPPORTS_PDM_RX i2s_pdm_dsr_t dn_sample_mode; #endif } i2s_clk_config_t;

Fields

Field

Declared as

Description

i2s_clk_config_t::sample_rate_hz

uint32_t

I2S sample rate.

i2s_clk_config_t::clk_src

i2s_clock_src_t

Choose clock source.

i2s_clk_config_t::mclk_multiple

i2s_mclk_multiple_t

The multiple of mclk to the sample rate.

i2s_clk_config_t::up_sample_fp

uint32_t

Up-sampling param fp.

i2s_clk_config_t::up_sample_fs

uint32_t

Up-sampling param fs.

i2s_clk_config_t::dn_sample_mode

Down-sampling rate mode.

References

Code

Location

Scope

Referrer

typedef struct {

i2s_legacy.c:103

} i2s_clk_config_t;

i2s_legacy.c:114

i2s_clk_config_t

i2s_clk_config_t clk_cfg;

i2s_legacy.c:166

i2s_obj_t::clk_cfg

i2s_clk_config_t *clk_cfg = &p_i2s[i2s_num]->clk_cfg;

i2s_legacy.c:746

i2s_calculate_adc_dac_clock()

i2s_clk_config_t *clk_cfg = &p_i2s[i2s_num]->clk_cfg;

i2s_legacy.c:774

i2s_calculate_pdm_tx_clock()

i2s_clk_config_t *clk_cfg = &p_i2s[i2s_num]->clk_cfg;

i2s_legacy.c:803

i2s_calculate_pdm_rx_clock()

i2s_clk_config_t *clk_cfg = &p_i2s[i2s_num]->clk_cfg;

i2s_legacy.c:828

i2s_calculate_common_clock()

i2s_clk_config_t *clk_cfg = &p_i2s[i2s_num]->clk_cfg;

i2s_legacy.c:1094

i2s_set_clock_legacy()

i2s_clk_config_t *clk_cfg = &p_i2s[i2s_num]->clk_cfg;

i2s_legacy.c:1110

i2s_clk_config_t *clk_cfg = &p_i2s[i2s_num]->clk_cfg;

i2s_legacy.c:1130

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Instances

Instance

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i2s_obj_t::clk_cfg

i2s_legacy.c:166

Lifecycle

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