78 lines
1.7 KiB
C
78 lines
1.7 KiB
C
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/*
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* Copyright (c) 2018 Oticon A/S
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief API to the native_posix (Real) Time Clock
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*/
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#ifndef _NATIVE_POSIX_RTC_H
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#define _NATIVE_POSIX_RTC_H
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#include "hw_models_top.h"
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "zephyr/types.h"
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/*
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* Types of clocks this RTC provides:
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*/
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/** Time since boot, cannot be offset. Microsecond resolution */
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#define RTC_CLOCK_BOOT 0
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/** Persistent clock, can be offset. Microsecond resolution */
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#define RTC_CLOCK_REALTIME 1
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/**
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* Pseudo-host real time clock (Please see documentation).
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* Nanosecond resolution
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*/
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#define RTC_CLOCK_PSEUDOHOSTREALTIME 2
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/**
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* @brief Get the value of a clock in microseconds
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*
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* @param clock_type Which clock to measure from
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*
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* @return Number of microseconds
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*/
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u64_t native_rtc_gettime_us(int clock_type);
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/**
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* @brief Get the value of a clock split in in nsec and seconds
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*
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* @param clock_type Which clock to measure from
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* @param nsec Pointer to store the nanoseconds
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* @param nsec Pointer to store the seconds
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*/
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void native_rtc_gettime(int clock_type, u32_t *nsec, u64_t *sec);
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/**
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* @brief Offset the real time clock by a number of microseconds.
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* Note that this only affects the RTC_CLOCK_REALTIME and
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* RTC_CLOCK_PSEUDOHOSTREALTIME clocks.
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*
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* @param delta_us Number of microseconds to offset. The value is added to all
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* offsetable clocks.
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*/
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void native_rtc_offset(s64_t delta_us);
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/**
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* @brief Adjust the speed of the clock source by a multiplicative factor
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*
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* @param clock_correction Factor by which to correct the clock speed
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*/
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void native_rtc_adjust_clock(double clock_correction);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _NATIVE_POSIX_RTC_H */
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