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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_dev_s::pdm_conf

i2s_dev_s::pdm_conf field

Syntax

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Summary

Declaration

from i2s_struct.h:404

union { struct { uint32_t tx_pdm_en: 1; uint32_t rx_pdm_en: 1; uint32_t pcm2pdm_conv_en: 1; uint32_t pdm2pcm_conv_en: 1; uint32_t tx_sinc_osr2: 4; uint32_t tx_prescale: 8; uint32_t tx_hp_in_shift: 2; uint32_t tx_lp_in_shift: 2; uint32_t tx_sinc_in_shift: 2; uint32_t tx_sigmadelta_in_shift: 2; uint32_t rx_sinc_dsr_16_en: 1; uint32_t txhp_bypass: 1; uint32_t reserved26: 6; }; uint32_t val; } pdm_conf;

References

Code

Location

Referrer

} pdm_conf;

i2s_struct.h:421

hw->pdm_conf.rx_sinc_dsr_16_en = dsr;

i2s_ll_rx_set_pdm_dsr()

*dsr = (i2s_pdm_dsr_t)hw->pdm_conf.rx_sinc_dsr_16_en;

i2s_ll_rx_get_pdm_dsr()

hw->pdm_conf.tx_pdm_en = false;

i2s_ll_tx_enable_std()

hw->pdm_conf.pcm2pdm_conv_en = false;

i2s_ll_tx_enable_std()

hw->pdm_conf.rx_pdm_en = false;

i2s_ll_rx_enable_std()

hw->pdm_conf.pdm2pcm_conv_en = false;

i2s_ll_rx_enable_std()

hw->pdm_conf.tx_pdm_en = true;

i2s_ll_tx_enable_pdm()

hw->pdm_conf.pcm2pdm_conv_en = true;

i2s_ll_tx_enable_pdm()

hw->pdm_conf.rx_pdm_en = true;

i2s_ll_rx_enable_pdm()

hw->pdm_conf.pdm2pcm_conv_en = true;

i2s_ll_rx_enable_pdm()

HAL_FORCE_MODIFY_U32_REG_FIELD(hw->pdm_conf, tx_prescale, prescale);

i2s_ll_tx_set_pdm_prescale()

hw->pdm_conf.tx_hp_in_shift = sig_scale;

i2s_ll_tx_set_pdm_hp_scale()

hw->pdm_conf.tx_lp_in_shift = sig_scale;

i2s_ll_tx_set_pdm_lp_scale()

hw->pdm_conf.tx_sinc_in_shift = sig_scale;

i2s_ll_tx_set_pdm_sinc_scale()

hw->pdm_conf.tx_sigmadelta_in_shift = sig_scale;

i2s_ll_tx_set_pdm_sd_scale()

hw->pdm_conf.tx_sinc_osr2 = ovr;

i2s_ll_tx_set_pdm_over_sample_ratio()

Call Tree

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Data Use

i2s_dev_s::pdm_conf is read by 12 functions:

i2s_dev_s::pdm_conf

i2s_ll_rx_set_pdm_dsr()

i2s_ll_rx_get_pdm_dsr()

i2s_ll_tx_enable_std()

i2s_ll_rx_enable_std()

i2s_ll_tx_enable_pdm()

i2s_ll_rx_enable_pdm()

i2s_ll_tx_set_pdm_prescale()

i2s_ll_tx_set_pdm_hp_scale()

i2s_ll_tx_set_pdm_lp_scale()

i2s_ll_tx_set_pdm_sinc_scale()

i2s_ll_tx_set_pdm_sd_scale()

i2s_ll_tx_set_pdm_over_sample_ratio()

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