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SourceVuESP-IDF Framework and ExamplesESP-IDFadc_dma_init()

adc_dma_init() function

Initialize DMA on ADC continuous mode

Syntax

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Summary

Declaration

Definition

from adc_dma.h:36

esp_err_t adc_dma_init(adc_dma_t *adc_dma);

Implemented in adc_dma.c:50

Arguments

Argument

Description

adc_dma

ADC DMA context

Return value

- ESP_OK: On success

References

Code

Location

Referrer

esp_err_t adc_dma_init(adc_dma_t *adc_dma)

adc_dma.c:50

esp_err_t adc_dma_init(adc_dma_t *adc_dma);

adc_dma.h:36

ret = adc_dma_init(&adc_ctx->adc_dma);

adc_continuous.c:225

adc_continuous_new_handle()

Call Tree

adc_dma_init() is called by 1 function and calls 1 function:

adc_continuous_new_handle()

adc_dma_init()

i2s_platform_acquire_occupation()

Data Use

adc_dma_init() reads 1 variable and writes 1 variable:

i2s_ctlr_t::I2S_CTLR_HP

adc_dma_init()

adc_dma_t::adc_i2s_dev

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adc_dma_init() function

Syntax

Arguments

Return value

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