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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_std_clk_config_t::clk_src

i2s_std_clk_config_t::clk_src field

Choose clock source, see `soc_periph_i2s_clk_src_t` for the supported clock sources. selected `I2S_CLK_SRC_EXTERNAL` (if supports) to enable the external source clock input via MCLK pin,

Syntax

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Summary

Declaration

from i2s_std.h:255

i2s_clock_src_t clk_src;

Examples

i2s_std_clk_config_t::clk_src is referenced by 4 libraries and example projects:

a2dp_sink sample

a2dp_gatts_coex sample

i2s_std sample

i2s_es8311 sample

References

from 0/4 examples

Code

Location

Referrer

i2s_clock_src_t clk_src; /*!< Choose clock source, see `soc_periph_i2s_clk_src_t` for the supported clock sources.

i2s_std.h:255

clk_info->sclk = i2s_get_source_clk_freq(clk_cfg->clk_src, clk_info->mclk);

i2s_std.c:56

i2s_std_calculate_clock()

i2s_hal_set_tx_clock(&handle->controller->hal, &clk_info, clk_cfg->clk_src);

i2s_std.c:87

i2s_std_set_clock()

i2s_hal_set_rx_clock(&handle->controller->hal, &clk_info, clk_cfg->clk_src);

i2s_std.c:89

i2s_std_set_clock()

ESP_RETURN_ON_ERROR(i2s_check_set_mclk(handle, id, gpio_cfg->mclk, std_cfg->clk_cfg.clk_src, gpio_cfg->invert_flags.mclk_inv), TAG, "mclk config failed");

i2s_std.c:168

i2s_std_set_gpio()

if (std_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) {

i2s_std.c:228

i2s_channel_init_std_mode()

if (clk_cfg->clk_src == I2S_CLK_SRC_APLL && std_cfg->clk_cfg.clk_src != I2S_CLK_SRC_APLL) {

i2s_std.c:279

i2s_channel_reconfig_std_clock()

if (clk_cfg->clk_src != I2S_CLK_SRC_APLL && std_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) {

i2s_std.c:284

i2s_channel_reconfig_std_clock()

if (std_cfg->clk_cfg.clk_src != clk_cfg->clk_src) {

i2s_std.c:293

i2s_channel_reconfig_std_clock()

if (clk_cfg->clk_src == I2S_CLK_SRC_APLL) {

i2s_std.c:297

i2s_channel_reconfig_std_clock()

Call Tree

from 0/4 examples

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Data Use

from 0/4 examples

i2s_std_clk_config_t::clk_src is read by 5 functions:

i2s_std_clk_config_t::clk_src

i2s_std_calculate_clock()

i2s_std_set_clock()

i2s_std_set_gpio()

i2s_channel_init_std_mode()

i2s_channel_reconfig_std_clock()

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Implementations

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Instances

from 0/4 examples

Lifecycle

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