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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_set_clk()

i2s_set_clk() function

Syntax

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Summary

Declaration

from i2s_legacy.c:1114

esp_err_t i2s_set_clk(i2s_port_t i2s_num, uint32_t rate, uint32_t bits_cfg, i2s_channel_t ch);

Arguments

Argument

i2s_num

rate

bits_cfg

ch

References

Code

Location

Referrer

esp_err_t i2s_set_clk(i2s_port_t i2s_num, uint32_t rate, uint32_t bits_cfg, i2s_channel_t ch)

i2s_legacy.c:1114

return i2s_set_clk(i2s_num, rate, slot_cfg->data_bit_width, slot_cfg->slot_mode | (mask << 16));

i2s_legacy.c:1216

i2s_set_sample_rates()

return i2s_set_clk(i2s_num, p_i2s[i2s_num]->clk_cfg.sample_rate_hz, p_i2s[i2s_num]->slot_cfg.data_bit_width, p_i2s[i2s_num]->slot_cfg.slot_mode);

i2s_legacy.c:1265

i2s_set_pdm_rx_down_sample()

return i2s_set_clk(i2s_num, p_i2s[i2s_num]->clk_cfg.sample_rate_hz, p_i2s[i2s_num]->slot_cfg.data_bit_width, p_i2s[i2s_num]->slot_cfg.slot_mode);

i2s_legacy.c:1283

i2s_set_pdm_tx_up_sample()

Call Tree

i2s_set_clk() is called by 3 functions and calls 11 functions:

i2s_set_sample_rates()

i2s_set_pdm_rx_down_sample()

i2s_set_pdm_tx_up_sample()

i2s_set_clk()

esp_log_timestamp()

esp_log_write()

xQueueGenericSend()

xQueueGenericReset()

xQueueSemaphoreTake()

i2s_get_buf_size()

i2s_realloc_dma_buffer()

i2s_set_slot_legacy()

i2s_set_clock_legacy()

Data Use

i2s_set_clk() reads 31 variables and writes 9 variables:

i2s_set_clk()

i2s_hal_slot_config_t::data_bit_width

i2s_hal_slot_config_t::slot_bit_width

i2s_hal_slot_config_t::slot_mode

i2s_hal_slot_config_t::::::slot_mask

i2s_hal_slot_config_t::::::ws_pol

i2s_obj_t::last_buf_size

i2s_obj_t::active_slot

i2s_clk_config_t::sample_rate_hz

i2s_dma_t::buf_size

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Lifecycle

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