wehub-resource-sync
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*
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* SPDX-FileCopyrightText: 2026 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#pragma once
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Get current realtime in microseconds (adjusted boot time + time_since_boot).
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*/
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uint64_t esp_libc_timekeeping_get_realtime_us(void);
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/**
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* @brief Set realtime to the given epoch in microseconds (stops any slew, sets boot time).
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*/
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void esp_libc_timekeeping_set_realtime_us(uint64_t us);
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/**
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* @brief Get remaining adjtime correction in microseconds.
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*
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* @return Remaining slew in microseconds.
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*/
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int64_t esp_libc_timekeeping_adjtime_get_remaining_us(void);
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/**
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* @brief Apply an adjtime offset (slew) in microseconds.
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*
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* @param offset_us Offset to apply in microseconds (positive or negative).
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* @param prev_remaining_us On success, set to previous remaining correction in microseconds.
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* @return 0 on success, -1 on error (e.g. invalid offset magnitude).
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*/
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int esp_libc_timekeeping_adjtime_apply(int64_t offset_us, int64_t *prev_remaining_us);
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#ifdef __cplusplus
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}
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#endif
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