79 lines
1.5 KiB
C
79 lines
1.5 KiB
C
/*
|
|
* 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;
|
|
}
|