77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
/*
|
|
* Copyright (c) 2018 Oticon A/S
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
/**
|
|
* @file
|
|
* @brief API to the native_posix (Real) Time Clock
|
|
*/
|
|
|
|
|
|
#ifndef _NATIVE_POSIX_RTC_H
|
|
#define _NATIVE_POSIX_RTC_H
|
|
|
|
#include "hw_models_top.h"
|
|
#include <stdbool.h>
|
|
#include "zephyr/types.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*
|
|
* Types of clocks this RTC provides:
|
|
*/
|
|
/** Time since boot, cannot be offset. Microsecond resolution */
|
|
#define RTC_CLOCK_BOOT 0
|
|
/** Persistent clock, can be offset. Microsecond resolution */
|
|
#define RTC_CLOCK_REALTIME 1
|
|
/**
|
|
* Pseudo-host real time clock (Please see documentation).
|
|
* Nanosecond resolution
|
|
*/
|
|
#define RTC_CLOCK_PSEUDOHOSTREALTIME 2
|
|
|
|
/**
|
|
* @brief Get the value of a clock in microseconds
|
|
*
|
|
* @param clock_type Which clock to measure from
|
|
*
|
|
* @return Number of microseconds
|
|
*/
|
|
uint64_t native_rtc_gettime_us(int clock_type);
|
|
|
|
/**
|
|
* @brief Get the value of a clock split in in nsec and seconds
|
|
*
|
|
* @param clock_type Which clock to measure from
|
|
* @param nsec Pointer to store the nanoseconds
|
|
* @param nsec Pointer to store the seconds
|
|
*/
|
|
void native_rtc_gettime(int clock_type, uint32_t *nsec, uint64_t *sec);
|
|
|
|
/**
|
|
* @brief Offset the real time clock by a number of microseconds.
|
|
* Note that this only affects the RTC_CLOCK_REALTIME and
|
|
* RTC_CLOCK_PSEUDOHOSTREALTIME clocks.
|
|
*
|
|
* @param delta_us Number of microseconds to offset. The value is added to all
|
|
* offsetable clocks.
|
|
*/
|
|
void native_rtc_offset(int64_t delta_us);
|
|
|
|
/**
|
|
* @brief Adjust the speed of the clock source by a multiplicative factor
|
|
*
|
|
* @param clock_correction Factor by which to correct the clock speed
|
|
*/
|
|
void native_rtc_adjust_clock(double clock_correction);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _NATIVE_POSIX_RTC_H */
|