dac_dma_periph_init() function

Initialize DAC DMA peripheral

Syntax

Show:

Summary

Declaration

Definition

from dac_priv_dma.h:31

esp_err_t dac_dma_periph_init(uint32_t freq_hz, bool is_alternate, bool is_apll);

Implemented in dac_dma.c:109

Arguments

Argument

Description

freq_hz

DAC data frequency per channel

is_alternate

Transmit data alternate between two channels or simultaneously

is_apll

Whether use APLL as DAC digital controller clock source

Return value

- ESP_ERR_NOT_FOUND The DMA peripheral has been occupied - ESP_ERR_NO_MEM No memory for the DMA peripheral struct - ESP_ERR_INVALID_ARG The frequency is out of range - ESP_OK Initialize DAC DMA peripheral success

Examples

References

from examples

dac_dma_periph_init() function

Syntax

Arguments

Return value

Examples

References

Call Tree

Data Use

Class Tree

Override Tree

Implementations

Instances

Lifecycle