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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_channel_obj_t::binary

i2s_channel_obj_t::binary field

Binary semaphore for writing / reading / enabling / disabling

Syntax

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Summary

Declaration

from i2s_private.h:171

SemaphoreHandle_t binary;

References

Code

Location

Referrer

SemaphoreHandle_t binary; /*!< Binary semaphore for writing / reading / enabling / disabling */

i2s_private.h:171

new_chan->binary = xSemaphoreCreateBinaryWithCaps(I2S_MEM_ALLOC_CAPS);

i2s_common.c:338

i2s_register_channel()

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

i2s_common.c:339

i2s_register_channel()

if (new_chan->binary) {

i2s_common.c:372

i2s_register_channel()

vSemaphoreDeleteWithCaps(new_chan->binary);

i2s_common.c:373

i2s_register_channel()

if (handle->binary) {

i2s_common.c:1079

i2s_del_channel()

vSemaphoreDeleteWithCaps(handle->binary);

i2s_common.c:1080

i2s_del_channel()

xSemaphoreGive(handle->binary);

i2s_common.c:1175

i2s_channel_enable()

xSemaphoreTake(handle->binary, portMAX_DELAY);

i2s_common.c:1197

i2s_channel_disable()

ESP_RETURN_ON_FALSE(xSemaphoreTake(handle->binary, pdMS_TO_TICKS(timeout_ms)) == pdTRUE, ESP_ERR_INVALID_STATE, TAG, "The channel is not enabled");

i2s_common.c:1286

i2s_channel_write()

xSemaphoreGive(handle->binary);

i2s_common.c:1313

i2s_channel_write()

ESP_RETURN_ON_FALSE(xSemaphoreTake(handle->binary, pdMS_TO_TICKS(timeout_ms)) == pdTRUE, ESP_ERR_INVALID_STATE, TAG, "The channel is not enabled");

i2s_common.c:1332

i2s_channel_read()

xSemaphoreGive(handle->binary);

i2s_common.c:1355

i2s_channel_read()

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Data Use

i2s_channel_obj_t::binary is written by 1 function and is read by 6 functions:

i2s_register_channel()

i2s_channel_obj_t::binary

i2s_register_channel()

i2s_del_channel()

i2s_channel_enable()

i2s_channel_disable()

i2s_channel_write()

i2s_channel_read()

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