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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_channel_obj_t::mutex

i2s_channel_obj_t::mutex field

Mutex semaphore for the channel operations

Syntax

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Summary

Declaration

from i2s_private.h:170

SemaphoreHandle_t mutex;

References

Code

Location

Referrer

SemaphoreHandle_t mutex; /*!< Mutex semaphore for the channel operations */

i2s_private.h:170

new_chan->mutex = xSemaphoreCreateMutexWithCaps(I2S_MEM_ALLOC_CAPS);

i2s_common.c:336

i2s_register_channel()

ESP_GOTO_ON_FALSE(new_chan->mutex, ESP_ERR_NO_MEM, err, TAG, "No memory for mutex semaphore");

i2s_common.c:337

i2s_register_channel()

if (new_chan->mutex) {

i2s_common.c:369

i2s_register_channel()

vSemaphoreDeleteWithCaps(new_chan->mutex);

i2s_common.c:370

i2s_register_channel()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_common.c:408

i2s_channel_register_event_callback()

xSemaphoreGive(handle->mutex);

i2s_common.c:413

i2s_channel_register_event_callback()

if (handle->mutex) {

i2s_common.c:1076

i2s_del_channel()

vSemaphoreDeleteWithCaps(handle->mutex);

i2s_common.c:1077

i2s_del_channel()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_common.c:1138

i2s_channel_get_info()

xSemaphoreGive(handle->mutex);

i2s_common.c:1153

i2s_channel_get_info()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_common.c:1164

i2s_channel_enable()

xSemaphoreGive(handle->mutex);

i2s_common.c:1173

i2s_channel_enable()

xSemaphoreGive(handle->mutex);

i2s_common.c:1181

i2s_channel_enable()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_common.c:1190

i2s_channel_disable()

xSemaphoreGive(handle->mutex);

i2s_common.c:1206

i2s_channel_disable()

xSemaphoreGive(handle->mutex);

i2s_common.c:1211

i2s_channel_disable()

xSemaphoreTake(tx_handle->mutex, portMAX_DELAY);

i2s_common.c:1225

i2s_channel_preload_data()

xSemaphoreGive(tx_handle->mutex);

i2s_common.c:1267

i2s_channel_preload_data()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_init_pdm_tx_mode()

xSemaphoreGive(handle->mutex);

i2s_channel_init_pdm_tx_mode()

xSemaphoreGive(handle->mutex);

i2s_channel_init_pdm_tx_mode()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_reconfig_pdm_tx_clock()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_tx_clock()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_tx_clock()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_reconfig_pdm_tx_slot()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_tx_slot()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_tx_slot()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_reconfig_pdm_tx_gpio()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_tx_gpio()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_tx_gpio()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_init_pdm_rx_mode()

xSemaphoreGive(handle->mutex);

i2s_channel_init_pdm_rx_mode()

xSemaphoreGive(handle->mutex);

i2s_channel_init_pdm_rx_mode()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_reconfig_pdm_rx_clock()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_rx_clock()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_rx_clock()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_reconfig_pdm_rx_slot()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_rx_slot()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_rx_slot()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_reconfig_pdm_rx_gpio()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_rx_gpio()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_pdm_rx_gpio()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_init_std_mode()

xSemaphoreGive(handle->mutex);

i2s_channel_init_std_mode()

xSemaphoreGive(handle->mutex);

i2s_channel_init_std_mode()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_reconfig_std_clock()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_std_clock()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_std_clock()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_reconfig_std_slot()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_std_slot()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_std_slot()

xSemaphoreTake(handle->mutex, portMAX_DELAY);

i2s_channel_reconfig_std_gpio()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_std_gpio()

xSemaphoreGive(handle->mutex);

i2s_channel_reconfig_std_gpio()

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Data Use

i2s_channel_obj_t::mutex is written by 1 function and is read by 19 functions:

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