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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_start()

i2s_start() function

Syntax

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Summary

Declaration

from i2s_legacy.c:475

esp_err_t i2s_start(i2s_port_t i2s_num);

Arguments

Argument

i2s_num

References

Code

Location

Referrer

esp_err_t i2s_start(i2s_port_t i2s_num)

i2s_legacy.c:475

return i2s_start(i2s_num);

i2s_legacy.c:979

i2s_adc_enable()

i2s_start(i2s_num);

i2s_legacy.c:1194

i2s_start(i2s_num);

i2s_legacy.c:1263

i2s_set_pdm_rx_down_sample()

i2s_start(i2s_num);

i2s_legacy.c:1281

i2s_set_pdm_tx_up_sample()

ESP_GOTO_ON_ERROR(i2s_start(i2s_num), err, TAG, "I2S start failed");

i2s_legacy.c:1683

i2s_driver_install()

Call Tree

i2s_start() is called by 5 functions and calls 9 functions:

i2s_adc_enable()

i2s_set_pdm_rx_down_sample()

i2s_set_pdm_tx_up_sample()

i2s_driver_install()

i2s_start()

vPortEnterCritical()

esp_intr_enable()

esp_log_timestamp()

esp_log_write()

vPortExitCritical()

Data Use

i2s_start() reads 12 variables:

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_dir_t::I2S_DIR_RX

i2s_dir_t::I2S_DIR_TX

i2s_obj_t::i2s_isr_handle

i2s_start()

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Lifecycle

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