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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_controller_t

i2s_controller_t struct

i2s controller level configurations

Syntax

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Summary

Declaration

from i2s_private.h:133

typedef struct { i2s_port_t id; i2s_hal_context_t hal; uint32_t chan_occupancy; bool full_duplex; i2s_chan_handle_t tx_chan; i2s_chan_handle_t rx_chan; _lock_t mutex; #if SOC_I2S_SUPPORT_SLEEP_RETENTION sleep_retention_module_t slp_retention_mod; bool retention_link_created; #endif int mclk; #if CONFIG_IDF_TARGET_ESP32 esp_clock_output_mapping_handle_t mclk_out_hdl; #endif } i2s_controller_t;

Fields

Field

Declared as

Description

i2s_controller_t::id

i2s port id.

i2s_controller_t::hal

i2s_hal_context_t

hal context.

i2s_controller_t::chan_occupancy

uint32_t

channel occupancy (rx/tx).

i2s_controller_t::full_duplex

bool

is full_duplex.

i2s_controller_t::tx_chan

i2s_chan_handle_t

tx channel handler.

i2s_controller_t::rx_chan

i2s_chan_handle_t

rx channel handler.

i2s_controller_t::mutex

_lock_t

mutex for controller.

i2s_controller_t::mclk

int

MCK out pin, shared by tx/rx.

i2s_controller_t::mclk_out_hdl

esp_clock_output_mapping_handle_t

The handle of MCLK output signal.

Examples

References

from examples