diff options
Diffstat (limited to 'components/libc/time/clock_time.c')
| -rw-r--r-- | components/libc/time/clock_time.c | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/components/libc/time/clock_time.c b/components/libc/time/clock_time.c deleted file mode 100644 index 83b3b916ca..0000000000 --- a/components/libc/time/clock_time.c +++ /dev/null @@ -1,188 +0,0 @@ -/* - * Copyright (c) 2006-2018, RT-Thread Development Team - * - * SPDX-License-Identifier: Apache-2.0 - * - * Change Logs: - * Date Author Notes - * 2012-12-08 Bernard fix the issue of _timevalue.tv_usec initialization, - * which found by Rob <[email protected]> - */ - -#include <rtthread.h> -#include <pthread.h> - -#include "clock_time.h" - -static struct timeval _timevalue; -int clock_time_system_init() -{ - time_t time; - rt_tick_t tick; - rt_device_t device; - - time = 0; - device = rt_device_find("rtc"); - if (device != RT_NULL) - { - /* get realtime seconds */ - rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &time); - } - - /* get tick */ - tick = rt_tick_get(); - - _timevalue.tv_usec = (tick%RT_TICK_PER_SECOND) * MICROSECOND_PER_TICK; - _timevalue.tv_sec = time - tick/RT_TICK_PER_SECOND - 1; - - return 0; -} -INIT_COMPONENT_EXPORT(clock_time_system_init); - -int clock_time_to_tick(const struct timespec *time) -{ - int tick; - int nsecond, second; - struct timespec tp; - - RT_ASSERT(time != RT_NULL); - - tick = RT_WAITING_FOREVER; - if (time != NULL) - { - /* get current tp */ - clock_gettime(CLOCK_REALTIME, &tp); - - if ((time->tv_nsec - tp.tv_nsec) < 0) - { - nsecond = NANOSECOND_PER_SECOND - (tp.tv_nsec - time->tv_nsec); - second = time->tv_sec - tp.tv_sec - 1; - } - else - { - nsecond = time->tv_nsec - tp.tv_nsec; - second = time->tv_sec - tp.tv_sec; - } - - tick = second * RT_TICK_PER_SECOND + nsecond * RT_TICK_PER_SECOND / NANOSECOND_PER_SECOND; - if (tick < 0) tick = 0; - } - - return tick; -} -RTM_EXPORT(clock_time_to_tick); - -int clock_getres(clockid_t clockid, struct timespec *res) -{ - int ret = 0; - - if (res == RT_NULL) - { - rt_set_errno(EINVAL); - return -1; - } - - switch (clockid) - { - case CLOCK_REALTIME: - res->tv_sec = 0; - res->tv_nsec = NANOSECOND_PER_SECOND/RT_TICK_PER_SECOND; - break; - -#ifdef RT_USING_CPUTIME - case CLOCK_CPUTIME_ID: - res->tv_sec = 0; - res->tv_nsec = clock_cpu_getres(); - break; -#endif - - default: - ret = -1; - rt_set_errno(EINVAL); - break; - } - - return ret; -} -RTM_EXPORT(clock_getres); - -int clock_gettime(clockid_t clockid, struct timespec *tp) -{ - int ret = 0; - - if (tp == RT_NULL) - { - rt_set_errno(EINVAL); - return -1; - } - - switch (clockid) - { - case CLOCK_REALTIME: - { - /* get tick */ - int tick = rt_tick_get(); - - tp->tv_sec = _timevalue.tv_sec + tick / RT_TICK_PER_SECOND; - tp->tv_nsec = (_timevalue.tv_usec + (tick % RT_TICK_PER_SECOND) * MICROSECOND_PER_TICK) * 1000; - } - break; - -#ifdef RT_USING_CPUTIME - case CLOCK_CPUTIME_ID: - { - float unit = 0; - long long cpu_tick; - - unit = clock_cpu_getres(); - cpu_tick = clock_cpu_gettime(); - - tp->tv_sec = ((int)(cpu_tick * unit)) / NANOSECOND_PER_SECOND; - tp->tv_nsec = ((int)(cpu_tick * unit)) % NANOSECOND_PER_SECOND; - } - break; -#endif - default: - rt_set_errno(EINVAL); - ret = -1; - } - - return ret; -} -RTM_EXPORT(clock_gettime); - -int clock_settime(clockid_t clockid, const struct timespec *tp) -{ - int second; - rt_tick_t tick; - rt_device_t device; - - if ((clockid != CLOCK_REALTIME) || (tp == RT_NULL)) - { - rt_set_errno(EINVAL); - - return -1; - } - - /* get second */ - second = tp->tv_sec; - /* get tick */ - tick = rt_tick_get(); - - /* update timevalue */ - _timevalue.tv_usec = MICROSECOND_PER_SECOND - (tick % RT_TICK_PER_SECOND) * MICROSECOND_PER_TICK; - _timevalue.tv_sec = second - tick/RT_TICK_PER_SECOND - 1; - - /* update for RTC device */ - device = rt_device_find("rtc"); - if (device != RT_NULL) - { - /* set realtime seconds */ - rt_device_control(device, RT_DEVICE_CTRL_RTC_SET_TIME, &second); - } - else - return -1; - - return 0; -} -RTM_EXPORT(clock_settime); |
