libs/rt-thread
libs
/
rt-thread
4
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

[components][time] Revert the old code.

This commit is contained in:
armink 2021-09-29 18:17:41 +08:00
parent 0beb9b3a07
commit 75e0ec124f
1 changed files with 110 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

144
components/libc/compilers/common/time.c
View File

@ -18,23 +18,21 @@
* 2021-02-12 Meco Man move all of the functions located in <clock_time.c> to this file
* 2021-03-15 Meco Man fixed a bug of leaking memory in asctime()
* 2021-05-01 Meco Man support fixed timezone
* 2021-07-21 Meco Man implement that change/set timezone APIs
*/
#include "sys/time.h"
#include <sys/errno.h>
#include <rtthread.h>
#include <rthw.h>
#ifdef RT_USING_DEVICE
#include <rtdevice.h>
#endif
#define DBG_TAG "TIME"
#define DBG_TAG "time"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
#ifndef RT_LIBC_FIXED_TIMEZONE
#define RT_LIBC_FIXED_TIMEZONE 8 /* UTC+8 */
#endif
/* seconds per day */
#define SPD 24*60*60
@ -201,7 +199,7 @@ struct tm *gmtime_r(const time_t *timep, struct tm *r)
r->tm_mon = i;
r->tm_mday += work - __spm[i];
r->tm_isdst = 0;
r->tm_isdst = tz_is_dst();
return r;
}
RTM_EXPORT(gmtime_r);
@ -217,7 +215,7 @@ struct tm* localtime_r(const time_t* t, struct tm* r)
{
time_t local_tz;
local_tz = *t + RT_LIBC_FIXED_TIMEZONE * 3600;
local_tz = *t + tz_get() * 3600;
return gmtime_r(&local_tz, r);
}
RTM_EXPORT(localtime_r);
@ -234,13 +232,36 @@ time_t mktime(struct tm * const t)
time_t timestamp;
timestamp = timegm(t);
timestamp = timestamp - 3600 * RT_LIBC_FIXED_TIMEZONE;
timestamp = timestamp - 3600 * tz_get();
return timestamp;
}
RTM_EXPORT(mktime);
char* asctime_r(const struct tm *t, char *buf)
{
/* Checking input validity */
if (rt_strlen(days) <= (t->tm_wday << 2) || rt_strlen(months) <= (t->tm_mon << 2))
{
LOG_W("asctime_r: the input parameters exceeded the limit, please check it.");
*(int*) buf = *(int*) days;
*(int*) (buf + 4) = *(int*) months;
num2str(buf + 8, t->tm_mday);
if (buf[8] == '0')
buf[8] = ' ';
buf[10] = ' ';
num2str(buf + 11, t->tm_hour);
buf[13] = ':';
num2str(buf + 14, t->tm_min);
buf[16] = ':';
num2str(buf + 17, t->tm_sec);
buf[19] = ' ';
num2str(buf + 20, 2000 / 100);
num2str(buf + 22, 2000 % 100);
buf[24] = '\n';
buf[25] = '\0';
return buf;
}
/* "Wed Jun 30 21:49:08 1993\n" */
*(int*) buf = *(int*) (days + (t->tm_wday << 2));
*(int*) (buf + 4) = *(int*) (months + (t->tm_mon << 2));
@ -425,7 +446,7 @@ int gettimeofday(struct timeval *tv, struct timezone *tz)
if(tz != RT_NULL)
{
tz->tz_dsttime = DST_NONE;
tz->tz_minuteswest = -(RT_LIBC_FIXED_TIMEZONE * 60);
tz->tz_minuteswest = -(tz_get() * 60);
}
if (tv != RT_NULL && get_timeval(tv) == RT_EOK)
@ -448,7 +469,6 @@ int settimeofday(const struct timeval *tv, const struct timezone *tz)
* Thus, the following is purely of historic interest.
*/
if (tv != RT_NULL
&& tv->tv_sec >= 0
&& tv->tv_usec >= 0
&& set_timeval((struct timeval *)tv) == RT_EOK)
{
@ -467,33 +487,47 @@ RTM_EXPORT(difftime);
RTM_EXPORT(strftime);
#ifdef RT_USING_POSIX
static struct timeval _timevalue;
static int clock_time_system_init()
#ifdef RT_USING_RTC
static volatile struct timeval _timevalue;
static int _rt_clock_time_system_init()
{
time_t time;
register rt_base_t level;
time_t time = 0;
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);
if(rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &time) == RT_EOK)
{
level = rt_hw_interrupt_disable();
tick = rt_tick_get(); /* get tick */
_timevalue.tv_usec = (tick%RT_TICK_PER_SECOND) * MICROSECOND_PER_TICK;
_timevalue.tv_sec = time - tick/RT_TICK_PER_SECOND - 1;
rt_hw_interrupt_enable(level);
return 0;
}
}
/* get tick */
tick = rt_tick_get();
level = rt_hw_interrupt_disable();
_timevalue.tv_usec = 0;
_timevalue.tv_sec = 0;
rt_hw_interrupt_enable(level);
_timevalue.tv_usec = (tick%RT_TICK_PER_SECOND) * MICROSECOND_PER_TICK;
_timevalue.tv_sec = time - tick/RT_TICK_PER_SECOND - 1;
return 0;
return -1;
}
INIT_COMPONENT_EXPORT(clock_time_system_init);
INIT_COMPONENT_EXPORT(_rt_clock_time_system_init);
#endif /* RT_USING_RTC */
int clock_getres(clockid_t clockid, struct timespec *res)
{
#ifndef RT_USING_RTC
LOG_W("Cannot find a RTC device to save time!");
return -1;
#else
int ret = 0;
if (res == RT_NULL)
@ -523,11 +557,16 @@ int clock_getres(clockid_t clockid, struct timespec *res)
}
return ret;
#endif /* RT_USING_RTC */
}
RTM_EXPORT(clock_getres);
int clock_gettime(clockid_t clockid, struct timespec *tp)
{
#ifndef RT_USING_RTC
LOG_W("Cannot find a RTC device to save time!");
return -1;
#else
int ret = 0;
if (tp == RT_NULL)
@ -540,11 +579,14 @@ int clock_gettime(clockid_t clockid, struct timespec *tp)
{
case CLOCK_REALTIME:
{
/* get tick */
int tick = rt_tick_get();
int tick;
register rt_base_t level;
level = rt_hw_interrupt_disable();
tick = rt_tick_get(); /* get tick */
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;
rt_hw_interrupt_enable(level);
}
break;
@ -568,11 +610,17 @@ int clock_gettime(clockid_t clockid, struct timespec *tp)
}
return ret;
#endif /* RT_USING_RTC */
}
RTM_EXPORT(clock_gettime);
int clock_settime(clockid_t clockid, const struct timespec *tp)
{
#ifndef RT_USING_RTC
LOG_W("Cannot find a RTC device to save time!");
return -1;
#else
register rt_base_t level;
int second;
rt_tick_t tick;
rt_device_t device;
@ -580,34 +628,36 @@ int clock_settime(clockid_t clockid, const struct timespec *tp)
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();
level = rt_hw_interrupt_disable();
tick = rt_tick_get(); /* get tick */
/* 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;
rt_hw_interrupt_enable(level);
/* 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);
if(rt_device_control(device, RT_DEVICE_CTRL_RTC_SET_TIME, &second) == RT_EOK)
{
return 0;
}
}
else
return -1;
return 0;
return -1;
#endif /* RT_USING_RTC */
}
RTM_EXPORT(clock_settime);
int clock_time_to_tick(const struct timespec *time)
int rt_timespec_to_tick(const struct timespec *time)
{
int tick;
int nsecond, second;
@ -638,6 +688,32 @@ int clock_time_to_tick(const struct timespec *time)
return tick;
}
RTM_EXPORT(clock_time_to_tick);
RTM_EXPORT(rt_timespec_to_tick);
#endif /* RT_USING_POSIX */
/* timezone */
#ifndef RT_LIBC_DEFAULT_TIMEZONE
#define RT_LIBC_DEFAULT_TIMEZONE 8
#endif
static volatile int8_t _current_timezone = RT_LIBC_DEFAULT_TIMEZONE;
void tz_set(int8_t tz)
{
register rt_base_t level;
level = rt_hw_interrupt_disable();
_current_timezone = tz;
rt_hw_interrupt_enable(level);
}
int8_t tz_get(void)
{
return _current_timezone;
}
int8_t tz_is_dst(void)
{
return 0;
}