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https://github.com/RT-Thread/rt-thread.git
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LaterComer
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-07-10 xqyjlj The first version.
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*/
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#include "ktime.h"
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#define __KTIME_MUL ((1000ULL * 1000 * 1000) / RT_TICK_PER_SECOND)
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rt_weak rt_err_t rt_ktime_boottime_get_us(struct timeval *tv)
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{
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RT_ASSERT(tv != RT_NULL);
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rt_uint64_t ns = (rt_ktime_cputimer_getcnt() * rt_ktime_cputimer_getres()) / RT_KTIME_RESMUL;
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tv->tv_sec = ns / (1000ULL * 1000 * 1000);
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tv->tv_usec = (ns % (1000ULL * 1000 * 1000)) / 1000;
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return RT_EOK;
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}
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rt_weak rt_err_t rt_ktime_boottime_get_s(time_t *t)
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{
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RT_ASSERT(t != RT_NULL);
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rt_uint64_t ns = (rt_ktime_cputimer_getcnt() * rt_ktime_cputimer_getres()) / RT_KTIME_RESMUL;
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*t = ns / (1000ULL * 1000 * 1000);
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return RT_EOK;
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}
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rt_weak rt_err_t rt_ktime_boottime_get_ns(struct timespec *ts)
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{
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RT_ASSERT(ts != RT_NULL);
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rt_uint64_t ns = (rt_ktime_cputimer_getcnt() * rt_ktime_cputimer_getres()) / RT_KTIME_RESMUL;
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ts->tv_sec = ns / (1000ULL * 1000 * 1000);
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ts->tv_nsec = ns % (1000ULL * 1000 * 1000);
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return RT_EOK;
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}
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