esp_timer_init() function

Initialize esp_timer library This function will be called from startup code on every core. If Kconfig option `CONFIG_ESP_TIMER_ISR_AFFINITY` is set to `NO_AFFINITY`, it allocates the timer ISR on MULTIPLE cores and creates the timer task which can be run on any core.

Syntax

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Summary

Declaration

Definition

from esp_timer.h:114

esp_err_t esp_timer_init(void);

Implemented in esp_timer.c:526

Return value

- ESP_OK on success - ESP_ERR_NO_MEM if allocation has failed - ESP_ERR_INVALID_STATE if already initialized - other errors from interrupt allocator

Notes

This function is called from startup code. Applications do not need to call this function before using other esp_timer APIs. Before calling this function, esp_timer_early_init() must be called by the startup code.

Examples

References

from examples

esp_timer_init() function

Syntax

Return value

Notes

Examples

References

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