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/*
* Copyright (c) 2006-2024, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2025-01-01 RT-Thread Clock time boottime helpers
*/
#include <drivers/clock_time.h>
rt_err_t rt_clock_boottime_get_us(struct timeval *tv)
{
rt_uint64_t cnt;
rt_uint64_t res;
rt_uint64_t ns;
RT_ASSERT(tv != RT_NULL);
cnt = rt_clock_time_get_counter();
res = rt_clock_time_get_res_scaled();
if (res == 0)
{
return -RT_ERROR;
}
ns = (cnt * res) / RT_CLOCK_TIME_RESMUL;
tv->tv_sec = ns / (1000ULL * 1000 * 1000);
tv->tv_usec = (ns % (1000ULL * 1000 * 1000)) / 1000;
return RT_EOK;
}
rt_err_t rt_clock_boottime_get_s(time_t *t)
{
rt_uint64_t cnt;
rt_uint64_t res;
rt_uint64_t ns;
RT_ASSERT(t != RT_NULL);
cnt = rt_clock_time_get_counter();
res = rt_clock_time_get_res_scaled();
if (res == 0)
{
return -RT_ERROR;
}
ns = (cnt * res) / RT_CLOCK_TIME_RESMUL;
*t = ns / (1000ULL * 1000 * 1000);
return RT_EOK;
}
rt_err_t rt_clock_boottime_get_ns(struct timespec *ts)
{
rt_uint64_t cnt;
rt_uint64_t res;
rt_uint64_t ns;
RT_ASSERT(ts != RT_NULL);
cnt = rt_clock_time_get_counter();
res = rt_clock_time_get_res_scaled();
if (res == 0)
{
return -RT_ERROR;
}
ns = (cnt * res) / RT_CLOCK_TIME_RESMUL;
ts->tv_sec = ns / (1000ULL * 1000 * 1000);
ts->tv_nsec = ns % (1000ULL * 1000 * 1000);
return RT_EOK;
}
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