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SourceVuESP-IDF Framework and Examplesi2s_pdm samplei2s_example_init_pdm_tx()

i2s_example_init_pdm_tx() function

Syntax

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Summary

Declaration

from i2s_pdm_tx.c:45

static i2s_chan_handle_t i2s_example_init_pdm_tx(void);

References

Code

Location

Referrer

static i2s_chan_handle_t i2s_example_init_pdm_tx(void)

i2s_pdm_tx.c:45

i2s_chan_handle_t tx_chan = i2s_example_init_pdm_tx();

i2s_pdm_tx.c:90

i2s_example_pdm_tx_task()

Call Tree

i2s_example_init_pdm_tx() is called by 1 function and calls 4 functions:

i2s_example_pdm_tx_task()

i2s_example_init_pdm_tx()

_esp_error_check_failed()

i2s_new_channel()

i2s_channel_enable()

i2s_channel_init_pdm_tx_mode()

Data Use

i2s_example_init_pdm_tx() reads 11 variables and writes 1 variable:

gpio_num_t::GPIO_NUM_4

gpio_num_t::GPIO_NUM_18

soc_periph_i2s_clk_src_t::I2S_CLK_SRC_DEFAULT

i2s_pdm_slot_mask_t::I2S_PDM_SLOT_BOTH

i2s_slot_mode_t::I2S_SLOT_MODE_MONO

i2s_role_t::I2S_ROLE_MASTER

i2s_data_bit_width_t::I2S_DATA_BIT_WIDTH_16BIT

i2s_slot_bit_width_t::I2S_SLOT_BIT_WIDTH_AUTO

i2s_pdm_sig_scale_t::I2S_PDM_SIG_SCALING_MUL_1

i2s_port_t::I2S_NUM_AUTO

i2s_mclk_multiple_t::I2S_MCLK_MULTIPLE_256

i2s_example_init_pdm_tx()

i2s_chan_config_t::::auto_clear

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