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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_pdm_rx_slot_config_t::data_bit_width

i2s_pdm_rx_slot_config_t::data_bit_width field

I2S sample data bit width (valid data bits per sample), only support 16 bits for PDM mode

Syntax

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Summary

Declaration

from i2s_pdm.h:74

i2s_data_bit_width_t data_bit_width;

Examples

i2s_pdm_rx_slot_config_t::data_bit_width is referenced by 1 libraries and example projects:

i2s_recorder sample

References

from 0/1 examples

Code

Location

Referrer

i2s_data_bit_width_t data_bit_width; /*!< I2S sample data bit width (valid data bits per sample), only support 16 bits for PDM mode */

i2s_pdm.h:74

uint32_t buf_size = i2s_get_buf_size(handle, slot_cfg->data_bit_width, handle->dma.frame_num);

i2s_pdm.c:383

i2s_pdm_rx_set_slot()

pdm_rx_cfg->slot_cfg.slot_bit_width = (int)pdm_rx_cfg->slot_cfg.slot_bit_width < (int)pdm_rx_cfg->slot_cfg.data_bit_width ?

i2s_pdm.c:398

i2s_pdm_rx_set_slot()

pdm_rx_cfg->slot_cfg.data_bit_width : pdm_rx_cfg->slot_cfg.slot_bit_width;

i2s_pdm.c:399

i2s_pdm_rx_set_slot()

uint32_t slot_bits = slot_cfg->slot_bit_width == I2S_SLOT_BIT_WIDTH_AUTO ? slot_cfg->data_bit_width : slot_cfg->slot_bit_width;

i2s_pdm.c:578

i2s_channel_reconfig_pdm_rx_slot()

Call Tree

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Data Use

from 0/1 examples

i2s_pdm_rx_slot_config_t::data_bit_width is read by 2 functions:

i2s_pdm_rx_slot_config_t::data_bit_width

i2s_pdm_rx_set_slot()

i2s_channel_reconfig_pdm_rx_slot()

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Implementations

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Instances

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