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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_set_pdm_rx_down_sample()

i2s_set_pdm_rx_down_sample() function

Syntax

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Summary

Declaration

from i2s_legacy.c:1255

esp_err_t i2s_set_pdm_rx_down_sample(i2s_port_t i2s_num, i2s_pdm_dsr_t downsample);

Arguments

Argument

i2s_num

downsample

References

Code

Location

esp_err_t i2s_set_pdm_rx_down_sample(i2s_port_t i2s_num, i2s_pdm_dsr_t downsample)

i2s_legacy.c:1255

Call Tree

i2s_set_pdm_rx_down_sample() calls 8 functions:

i2s_set_pdm_rx_down_sample()

esp_log_timestamp()

esp_log_write()

xQueueGenericSend()

xQueueSemaphoreTake()

i2s_ll_rx_set_pdm_dsr()

Data Use

i2s_set_pdm_rx_down_sample() reads 18 variables and writes 1 variable:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

i2s_comm_mode_t::I2S_COMM_MODE_PDM

i2s_hal_slot_config_t::data_bit_width

i2s_hal_slot_config_t::slot_mode

i2s_hal_context_t::dev

i2s_obj_t::mode

i2s_obj_t::slot_cfg

i2s_obj_t::clk_cfg

i2s_clk_config_t::sample_rate_hz

i2s_set_pdm_rx_down_sample()

i2s_clk_config_t::dn_sample_mode

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Lifecycle

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