Symbols

loading...

Files

loading (4/5)...

Summary Syntax Arguments References Call Tree Data Use

SourceVuESP-IDF Framework and ExamplesESP-IDFCButton::set_evt_cb()

CButton::set_evt_cb() method

Register a callback function for a button_cb_type_t action.

Syntax

Show:

Summary

Declaration

Definition

from iot_button.h:173

esp_err_t set_evt_cb(button_cb_type_t type, button_cb cb, void* arg);

Implemented in button_obj.cpp:23

Arguments

Argument

Description

type

callback function type

cb

callback function for "TAP" action.

arg

Parameter for callback function

Return value

- ESP_OK Success - ESP_FAIL Parameter error

Notes

Button callback functions execute in the context of the timer service task. It is therefore essential that button callback functions never attempt to block. For example, a button callback function must not call vTaskDelay(), vTaskDelayUntil(), or specify a non zero block time when accessing a queue or a semaphore.

References

Code

Location

esp_err_t CButton::set_evt_cb(button_cb_type_t type, button_cb cb, void* arg)

button_obj.cpp:23

esp_err_t set_evt_cb(button_cb_type_t type, button_cb cb, void* arg);

iot_button.h:173

Call Tree

CButton::set_evt_cb() calls 1 function:

CButton::set_evt_cb()

iot_button_set_evt_cb()

Data Use

CButton::set_evt_cb() reads 1 variable:

CButton::m_btn_handle

CButton::set_evt_cb()

Class Tree

All items filtered out

All items filtered out

Override Tree

All items filtered out

All items filtered out

Implementations

All items filtered out

All items filtered out

Instances

Lifecycle

All items filtered out

All items filtered out