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SourceVuESP-IDF Framework and ExamplesESP-IDFI2S_PDM_DSR_16S

I2S_PDM_DSR_16S value

downsampling number is 16 for PDM RX mode

Syntax

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Summary

Declaration

from i2s_types.h:94

I2S_PDM_DSR_16S;

References

Code

Location

Referrer

I2S_PDM_DSR_16S, /*!< downsampling number is 16 for PDM RX mode*/

clk_info->bclk = clk_cfg->sample_rate_hz * I2S_LL_PDM_BCK_FACTOR * (dsr == I2S_PDM_DSR_16S ? 2 : 1);

i2s_legacy.c:806

i2s_calculate_pdm_rx_clock()

clk_info->bclk = rate * I2S_LL_PDM_BCK_FACTOR * (pdm_rx_clk->dn_sample_mode == I2S_PDM_DSR_16S ? 2 : 1);

i2s_pdm_rx_calculate_clock()

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Data Use

I2S_PDM_DSR_16S is read by 2 functions:

I2S_PDM_DSR_16S

i2s_calculate_pdm_rx_clock()

i2s_pdm_rx_calculate_clock()

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