Function esp_idf_sys::esp_timer_init

pub unsafe extern "C" fn esp_timer_init() -> esp_err_t

@brief Initialize esp_timer library

@note This function is called from startup code. Applications do not need to call this function before using other esp_timer APIs.

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