dac_continuous_register_event_callback() function

Set event callbacks for DAC continuous mode

Syntax

Show:

Summary

Declaration

Definition

from dac_continuous.h:206

esp_err_t dac_continuous_register_event_callback(dac_continuous_handle_t handle, const dac_event_callbacks_t *callbacks, void *user_data);

Implemented in dac_continuous.c:330

Arguments

Argument

Description

handle

The DAC continuous channel handle that obtained from 'dac_continuous_new_channels'

callbacks

Group of callback functions, input NULL to clear the former callbacks

user_data

User data, which will be passed to callback functions directly

Return value

- ESP_OK Set event callbacks successfully - ESP_ERR_INVALID_ARG Set event callbacks failed because of invalid argument

Notes

User can deregister a previously registered callback by calling this function and setting the callback member in the `callbacks` structure to NULL. When CONFIG_DAC_ISR_IRAM_SAFE is enabled, the callback itself and functions called by it should be placed in IRAM. The variables used in this function, including the `user_data`, should be in the internal RAM as well.