esp-idf/components/esp_hw_support/include/soc/esp32h2/rtc.h

// Copyright 2015-2020 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#include <stdint.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * @file esp32h2/rtc.h
 *
 * This file contains declarations of rtc related functions.
 */

/**
 * @brief Get current value of RTC counter in microseconds
 *
 * Note: this function may take up to 1 RTC_SLOW_CLK cycle to execute
 *
 * @return current value of RTC counter in microseconds
 */
uint64_t esp_rtc_get_time_us(void);

#ifdef __cplusplus
}
#endif