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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_pdm_sig_scale_t

i2s_pdm_sig_scale_t enum

Syntax

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Summary

Declaration

from i2s_types.h:103

enum { I2S_PDM_SIG_SCALING_DIV_2 = 0, I2S_PDM_SIG_SCALING_MUL_1 = 1, I2S_PDM_SIG_SCALING_MUL_2 = 2, I2S_PDM_SIG_SCALING_MUL_4 = 3, };

Values

Value

Declared as

Description

i2s_pdm_sig_scale_t::I2S_PDM_SIG_SCALING_DIV_2

= 0

I2S TX PDM signal scaling: /2.

i2s_pdm_sig_scale_t::I2S_PDM_SIG_SCALING_MUL_1

= 1

I2S TX PDM signal scaling: x1.

i2s_pdm_sig_scale_t::I2S_PDM_SIG_SCALING_MUL_2

= 2

I2S TX PDM signal scaling: x2.

i2s_pdm_sig_scale_t::I2S_PDM_SIG_SCALING_MUL_4

= 3

I2S TX PDM signal scaling: x4.

References

Code

Location

Scope

Referrer

typedef enum {

i2s_types.h:103

} i2s_pdm_sig_scale_t;

i2s_types.h:108

i2s_pdm_sig_scale_t sd_scale; /*!< Sigma-delta filter scaling value */

i2s_hal_slot_config_t::::::sd_scale

i2s_pdm_sig_scale_t hp_scale; /*!< High pass filter scaling value */

i2s_hal_slot_config_t::::::hp_scale

i2s_pdm_sig_scale_t lp_scale; /*!< Low pass filter scaling value */

i2s_hal_slot_config_t::::::lp_scale

i2s_pdm_sig_scale_t sinc_scale; /*!< Sinc filter scaling value */

i2s_hal_slot_config_t::::::sinc_scale

static inline void i2s_ll_tx_set_pdm_hp_scale(i2s_dev_t *hw, i2s_pdm_sig_scale_t sig_scale)

i2s_ll_tx_set_pdm_hp_scale()

i2s_ll_tx_set_pdm_hp_scale()::sig_scale

static inline void i2s_ll_tx_set_pdm_lp_scale(i2s_dev_t *hw, i2s_pdm_sig_scale_t sig_scale)

i2s_ll_tx_set_pdm_lp_scale()

i2s_ll_tx_set_pdm_lp_scale()::sig_scale

static inline void i2s_ll_tx_set_pdm_sinc_scale(i2s_dev_t *hw, i2s_pdm_sig_scale_t sig_scale)

i2s_ll_tx_set_pdm_sinc_scale()

i2s_ll_tx_set_pdm_sinc_scale()::sig_scale

static inline void i2s_ll_tx_set_pdm_sd_scale(i2s_dev_t *hw, i2s_pdm_sig_scale_t sig_scale)

i2s_ll_tx_set_pdm_sd_scale()

i2s_ll_tx_set_pdm_sd_scale()::sig_scale

i2s_pdm_sig_scale_t sd_scale; /*!< Sigma-delta filter scaling value */

i2s_pdm_tx_slot_config_t

i2s_pdm_tx_slot_config_t::sd_scale

i2s_pdm_sig_scale_t hp_scale; /*!< High pass filter scaling value */

i2s_pdm_tx_slot_config_t

i2s_pdm_tx_slot_config_t::hp_scale

i2s_pdm_sig_scale_t lp_scale; /*!< Low pass filter scaling value */

i2s_pdm_tx_slot_config_t

i2s_pdm_tx_slot_config_t::lp_scale

i2s_pdm_sig_scale_t sinc_scale; /*!< Sinc filter scaling value */

i2s_pdm_tx_slot_config_t

i2s_pdm_tx_slot_config_t::sinc_scale

} i2s_pdm_sig_scale_t;

i2s_types.h:108

i2s_pdm_sig_scale_t

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