Espressif ESP32-S2 User Manual

Chapter 2. API Reference
• stream: stream (such as stdout) to dump the information to
bool esp_timer_is_active(esp_timer_handle_t timer)
Returns status of a timer, active or not.
This function is used to identify if the timer is still active or not.
Return
• 1 if timer is still active
• 0 if timer is not active.
Parameters
• timer: timer handle created using esp_timer_create
Structures
struct esp_timer_create_args_t
Timer configuration passed to esp_timer_create.
Public Members
esp_timer_cb_t callback
Function to call when timer expires.
void *arg
Argument to pass to the callback.
esp_timer_dispatch_t dispatch_method
Call the callback from task or from ISR.
const char *name
Timer name, used in esp_timer_dump function.
bool skip_unhandled_events
Skip unhandled events for periodic timers.
Type Definitions
typedef struct esp_timer *esp_timer_handle_t
Opaque type representing a single esp_timer.
typedef void (*esp_timer_cb_t)(void *arg)
Timer callback function type.
Parameters
• arg: pointer to opaque user-specific data
Enumerations
enum esp_timer_dispatch_t
Method for dispatching timer callback.
Values:
ESP_TIMER_TASK
Callback is called from timer task.
ESP_TIMER_MAX
Count of the methods for dispatching timer callback.
2.6.15 Call function with external stack
Espressif Systems 998
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Espressif ESP32-S2 Specifications

General

Brand	Espressif
Model	ESP32-S2
Category	Single board computers
Language	English