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SourceVuESP-IDF Framework and ExamplesESP-IDFsdm_config_t

sdm_config_t struct

Sigma Delta channel configuration

Syntax

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Summary

Declaration

from sdm.h:25

typedef struct { int gpio_num; sdm_clock_source_t clk_src; uint32_t sample_rate_hz; struct { uint32_t invert_out: 1; uint32_t io_loop_back: 1; } flags; } sdm_config_t;

Fields

Field

Declared as

Description

sdm_config_t::gpio_num

int

GPIO number.

sdm_config_t::clk_src

sdm_clock_source_t

Clock source.

sdm_config_t::sample_rate_hz

uint32_t

Over sample rate in Hz, it determines the frequency of the carrier pulses.

sdm_config_t::flags

struct { uint32_t invert_out: 1; uint32_t io_loop_back: 1; }

Extra flags.

Examples

sdm_config_t is referenced by 2 libraries and example projects:

sdm_dac sample

sdm_led sample

References

from 0/2 examples

Code

Location

Scope

Referrer

typedef struct {

sdm.h:25

} sdm_config_t;

sdm.h:33

esp_err_t sdm_new_channel(const sdm_config_t *config, sdm_channel_handle_t *ret_chan)

esp_err_t sdm_new_channel(const sdm_config_t *config, sdm_channel_handle_t *ret_chan);

sdm.h:47

sdm_new_channel()

sdm_config_t struct

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