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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_hal_slot_config_t::::pdm_tx

i2s_hal_slot_config_t::::pdm_tx field

Specific configurations for PDM TX mode

Syntax

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Summary

Declaration

from i2s_hal.h:72

struct { #if SOC_I2S_HW_VERSION_1 i2s_pdm_slot_mask_t slot_mask; #endif uint32_t sd_prescale; i2s_pdm_sig_scale_t sd_scale; i2s_pdm_sig_scale_t hp_scale; i2s_pdm_sig_scale_t lp_scale; i2s_pdm_sig_scale_t sinc_scale; #if SOC_I2S_HW_VERSION_2 i2s_pdm_tx_line_mode_t line_mode; bool hp_en; uint32_t hp_cut_off_freq_hzx10; uint32_t sd_dither; uint32_t sd_dither2; #endif } pdm_tx;

References

Code

Location

Referrer

} pdm_tx; /*!< Specific configurations for PDM TX mode */

i2s_ll_tx_set_pdm_prescale(hal->dev, slot_cfg->pdm_tx.sd_prescale);

i2s_hal_pdm_set_tx_slot()

i2s_ll_tx_set_pdm_hp_scale(hal->dev, slot_cfg->pdm_tx.hp_scale);

i2s_hal_pdm_set_tx_slot()

i2s_ll_tx_set_pdm_lp_scale(hal->dev, slot_cfg->pdm_tx.lp_scale);

i2s_hal_pdm_set_tx_slot()

i2s_ll_tx_set_pdm_sinc_scale(hal->dev, slot_cfg->pdm_tx.sinc_scale);

i2s_hal_pdm_set_tx_slot()

i2s_ll_tx_set_pdm_sd_scale(hal->dev, slot_cfg->pdm_tx.sd_scale);

i2s_hal_pdm_set_tx_slot()

i2s_ll_tx_select_pdm_slot(hal->dev, slot_cfg->pdm_tx.slot_mask & I2S_STD_SLOT_BOTH, is_mono);

i2s_hal_pdm_set_tx_slot()

SLOT_CFG(pdm_tx).sd_prescale = 0;

i2s_legacy.c:1396

i2s_config_transfer()

SLOT_CFG(pdm_tx).sd_scale = I2S_PDM_SIG_SCALING_MUL_1;

i2s_legacy.c:1397

i2s_config_transfer()

SLOT_CFG(pdm_tx).hp_scale = I2S_PDM_SIG_SCALING_MUL_1;

i2s_legacy.c:1398

i2s_config_transfer()

SLOT_CFG(pdm_tx).lp_scale = I2S_PDM_SIG_SCALING_MUL_1;

i2s_legacy.c:1399

i2s_config_transfer()

SLOT_CFG(pdm_tx).sinc_scale = I2S_PDM_SIG_SCALING_MUL_1;

i2s_legacy.c:1400

i2s_config_transfer()

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Data Use

i2s_hal_slot_config_t::::pdm_tx is read by 2 functions:

i2s_hal_slot_config_t::::pdm_tx

i2s_config_transfer()

i2s_hal_pdm_set_tx_slot()

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