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SourceVuESP-IDF Framework and ExamplesESP-IDFi2s_write()

i2s_write() function

Syntax

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Summary

Declaration

from i2s_legacy.c:1693

esp_err_t i2s_write(i2s_port_t i2s_num, const void *src, size_t size, size_t *bytes_written, TickType_t ticks_to_wait);

Arguments

Argument

i2s_num

src

size

bytes_written

ticks_to_wait

References

Code

Location

Referrer

esp_err_t i2s_write(i2s_port_t i2s_num, const void *src, size_t size, size_t *bytes_written, TickType_t ticks_to_wait)

i2s_legacy.c:1693

i2s_write(i2s_num, (void *)&zero_bytes, bytes_left, &bytes_written, portMAX_DELAY);

i2s_legacy.c:1901

i2s_zero_dma_buffer()

Call Tree

i2s_write() is called by 1 function and calls 7 functions:

i2s_zero_dma_buffer()

i2s_write()

esp_log_timestamp()

esp_log_write()

xQueueGenericSend()

xQueueReceive()

xQueueSemaphoreTake()

esp_pm_lock_acquire()

esp_pm_lock_release()

Data Use

i2s_write() reads 14 variables and writes 1 variable:

esp_log_level_t::ESP_LOG_ERROR

esp_log_level_t::ESP_LOG_WARN

esp_log_level_t::ESP_LOG_INFO

esp_log_level_t::ESP_LOG_DEBUG

esp_log_level_t::ESP_LOG_VERBOSE

i2s_dma_t::buf_size

i2s_dma_t::rw_pos

i2s_dma_t::curr_ptr

i2s_dma_t::queue

i2s_obj_t::pm_lock

i2s_write()

i2s_dma_t::rw_pos

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Instances

Lifecycle

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