未验证 提交 7fc236dd 编写于 作者: B Bernard Xiong 提交者: GitHub

Merge pull request #4306 from mysterywolf/rtc

[libc][stm32-driver RTC] 修复RTC驱动以及libc time.c库若干问题
......@@ -7,9 +7,11 @@
* Date Author Notes
* 2018-12-04 balanceTWK first version
* 2020-10-14 Dozingfiretruck Porting for stm32wbxx
* 2021-02-05 Meco Man fix the problem of mixing local time and UTC time
*/
#include "board.h"
#include <sys/time.h>
#ifdef BSP_USING_ONCHIP_RTC
......@@ -54,7 +56,7 @@ static time_t get_rtc_timestamp(void)
tm_new.tm_year = RTC_DateStruct.Year + 100;
LOG_D("get rtc time.");
return mktime(&tm_new);
return timegm(&tm_new);
}
static rt_err_t set_rtc_time_stamp(time_t time_stamp)
......@@ -63,7 +65,7 @@ static rt_err_t set_rtc_time_stamp(time_t time_stamp)
RTC_DateTypeDef RTC_DateStruct = {0};
struct tm *p_tm;
p_tm = localtime(&time_stamp);
p_tm = gmtime(&time_stamp);
if (p_tm->tm_year < 100)
{
return -RT_ERROR;
......
......@@ -11,7 +11,7 @@
* 2018-02-16 armink add auto sync time by NTP
*/
#include <time.h>
#include <sys/time.h>
#include <string.h>
#include <rtthread.h>
......@@ -30,7 +30,7 @@
#endif /* RTC_SYNC_USING_NTP */
/**
* Set system date(time not modify).
* Set system date(time not modify, local timezone).
*
* @param rt_uint32_t year e.g: 2012.
* @param rt_uint32_t month e.g: 12 (1~12).
......@@ -52,10 +52,10 @@ rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day)
/* lock scheduler. */
rt_enter_critical();
/* converts calendar time time into local time. */
/* converts calendar time into local time. */
p_tm = localtime(&now);
/* copy the statically located variable */
memcpy(&tm_new, p_tm, sizeof(struct tm));
rt_memcpy(&tm_new, p_tm, sizeof(struct tm));
/* unlock scheduler. */
rt_exit_critical();
......@@ -64,7 +64,7 @@ rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day)
tm_new.tm_mon = month - 1; /* tm_mon: 0~11 */
tm_new.tm_mday = day;
/* converts the local time in time to calendar time. */
/* converts the local time into the calendar time. */
now = mktime(&tm_new);
device = rt_device_find("rtc");
......@@ -80,7 +80,7 @@ rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day)
}
/**
* Set system time(date not modify).
* Set system time(date not modify, local timezone).
*
* @param rt_uint32_t hour e.g: 0~23.
* @param rt_uint32_t minute e.g: 0~59.
......@@ -102,10 +102,10 @@ rt_err_t set_time(rt_uint32_t hour, rt_uint32_t minute, rt_uint32_t second)
/* lock scheduler. */
rt_enter_critical();
/* converts calendar time time into local time. */
/* converts calendar time into local time. */
p_tm = localtime(&now);
/* copy the statically located variable */
memcpy(&tm_new, p_tm, sizeof(struct tm));
rt_memcpy(&tm_new, p_tm, sizeof(struct tm));
/* unlock scheduler. */
rt_exit_critical();
......@@ -114,7 +114,7 @@ rt_err_t set_time(rt_uint32_t hour, rt_uint32_t minute, rt_uint32_t second)
tm_new.tm_min = minute;
tm_new.tm_sec = second;
/* converts the local time in time to calendar time. */
/* converts the local time into the calendar time. */
now = mktime(&tm_new);
device = rt_device_find("rtc");
......@@ -174,6 +174,9 @@ INIT_COMPONENT_EXPORT(rt_rtc_ntp_sync_init);
#include <finsh.h>
#include <rtdevice.h>
/**
* show date and time (local timezone)
*/
void list_date(void)
{
time_t now;
......@@ -181,12 +184,15 @@ void list_date(void)
now = time(RT_NULL);
rt_kprintf("%.*s\n", 25, ctime(&now));
}
FINSH_FUNCTION_EXPORT(list_date, show date and time.)
FINSH_FUNCTION_EXPORT(list_date, show date and time (local timezone))
FINSH_FUNCTION_EXPORT(set_date, set date(local timezone) e.g: set_date(2010,2,28))
FINSH_FUNCTION_EXPORT(set_time, set time(local timezone) e.g: set_time(23,59,59))
FINSH_FUNCTION_EXPORT(set_date, set date. e.g: set_date(2010,2,28))
FINSH_FUNCTION_EXPORT(set_time, set time. e.g: set_time(23,59,59))
#if defined(RT_USING_FINSH) && defined(FINSH_USING_MSH)
/**
* get date and time or set (local timezone) [year month day hour min sec]
*/
static void date(uint8_t argc, char **argv)
{
if (argc == 1)
......@@ -246,9 +252,9 @@ static void date(uint8_t argc, char **argv)
rt_kprintf("e.g: date 2018 01 01 23 59 59 or date\n");
}
}
MSH_CMD_EXPORT(date, get date and time or set [year month day hour min sec]);
#endif /* defined(RT_USING_FINSH) && defined(FINSH_USING_MSH) */
MSH_CMD_EXPORT(list_date, show date and time (local timezone))
MSH_CMD_EXPORT(date, get date and time or set (local timezone) [year month day hour min sec])
#endif /* defined(RT_USING_FINSH) && defined(FINSH_USING_MSH) */
#endif /* RT_USING_FINSH */
#endif /* RT_USING_RTC */
......@@ -48,8 +48,8 @@ struct timezone {
int tz_dsttime; /* type of dst correction */
};
int gettimeofday(struct timeval *tp, void *ignore);
struct tm *gmtime_r(const time_t *timep, struct tm *r);
int gettimeofday(struct timeval *tp, struct timezone *tz);
time_t timegm(struct tm * const t);
#ifdef __cplusplus
}
......
......@@ -7,13 +7,21 @@
* Date Author Notes
* 2019-08-21 zhangjun copy from minilibc
* 2020-09-07 Meco Man combine gcc armcc iccarm
* 2021-02-05 Meco Man add timegm()
*/
#include <sys/time.h>
#include <rtthread.h>
#ifdef RT_USING_DEVICE
#include <rtdevice.h>
#endif
#if !defined (__IAR_SYSTEMS_ICC__)
/* seconds per day */
#define SPD 24*60*60
/* days per month -- nonleap! */
const short __spm[13] =
{
......@@ -34,10 +42,7 @@ const short __spm[13] =
static const char days[] = "Sun Mon Tue Wed Thu Fri Sat ";
static const char months[] = "Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec ";
/* seconds per day */
#define SPD 24*60*60
int __isleap(int year)
static int __isleap(int year)
{
/* every fourth year is a leap year except for century years that are
* not divisible by 400. */
......@@ -45,6 +50,12 @@ int __isleap(int year)
return (!(year % 4) && ((year % 100) || !(year % 400)));
}
static void num2str(char *c, int i)
{
c[0] = i / 10 + '0';
c[1] = i % 10 + '0';
}
struct tm *gmtime_r(const time_t *timep, struct tm *r)
{
time_t i;
......@@ -87,10 +98,15 @@ struct tm* gmtime(const time_t* t)
return gmtime_r(t, &tmp);
}
/*TODO timezone is not supprt now */
/*TODO: timezone */
struct tm* localtime_r(const time_t* t, struct tm* r)
{
return gmtime_r(t, r);
time_t local_tz;
int timezone;
timezone = 0 * 3600 * 8; /* GTM: UTC+0 */
local_tz = *t + timezone;
return gmtime_r(&local_tz, r);
}
struct tm* localtime(const time_t* t)
......@@ -99,84 +115,10 @@ struct tm* localtime(const time_t* t)
return localtime_r(t, &tmp);
}
/* TODO: timezone */
time_t mktime(struct tm * const t)
{
register time_t day;
register time_t i;
register time_t years = t->tm_year - 70;
if (t->tm_sec > 60)
{
t->tm_min += t->tm_sec / 60;
t->tm_sec %= 60;
}
if (t->tm_min > 60)
{
t->tm_hour += t->tm_min / 60;
t->tm_min %= 60;
}
if (t->tm_hour > 24)
{
t->tm_mday += t->tm_hour / 24;
t->tm_hour %= 24;
}
if (t->tm_mon > 12)
{
t->tm_year += t->tm_mon / 12;
t->tm_mon %= 12;
}
while (t->tm_mday > __spm[1 + t->tm_mon])
{
if (t->tm_mon == 1 && __isleap(t->tm_year + 1900))
{
--t->tm_mday;
}
t->tm_mday -= __spm[t->tm_mon];
++t->tm_mon;
if (t->tm_mon > 11)
{
t->tm_mon = 0;
++t->tm_year;
}
}
if (t->tm_year < 70)
return (time_t) - 1;
/* Days since 1970 is 365 * number of years + number of leap years since 1970 */
day = years * 365 + (years + 1) / 4;
/* After 2100 we have to substract 3 leap years for every 400 years
This is not intuitive. Most mktime implementations do not support
dates after 2059, anyway, so we might leave this out for it's
bloat. */
if (years >= 131)
{
years -= 131;
years /= 100;
day -= (years >> 2) * 3 + 1;
if ((years &= 3) == 3)
years--;
day -= years;
}
day += t->tm_yday = __spm[t->tm_mon] + t->tm_mday - 1 +
(__isleap(t->tm_year + 1900) & (t->tm_mon > 1));
/* day is now the number of days since 'Jan 1 1970' */
i = 7;
t->tm_wday = (day + 4) % i; /* Sunday=0, Monday=1, ..., Saturday=6 */
i = 24;
day *= i;
i = 60;
return ((day + t->tm_hour) * i + t->tm_min) * i + t->tm_sec;
}
static void num2str(char *c, int i)
{
c[0] = i / 10 + '0';
c[1] = i % 10 + '0';
return timegm(t);
}
char* asctime_r(const struct tm *t, char *buf)
......@@ -213,28 +155,6 @@ char* ctime(const time_t *timep)
#endif /* __IAR_SYSTEMS_ICC__ */
int gettimeofday(struct timeval *tp, void *ignore)
{
time_t time = 0;
#ifdef RT_USING_DEVICE
rt_device_t device;
device = rt_device_find("rtc");
RT_ASSERT(device != RT_NULL);
rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &time);
if (tp != RT_NULL)
{
tp->tv_sec = time;
tp->tv_usec = 0;
}
#else
tv->tv_sec = 0;
tv->tv_usec = 0;
#endif
return time;
}
/**
* Returns the current time.
*
......@@ -243,15 +163,14 @@ int gettimeofday(struct timeval *tp, void *ignore)
* @return time_t return timestamp current.
*
*/
/* for IAR 6.2 later Compiler */
#if defined (__IAR_SYSTEMS_ICC__) && (__VER__) >= 6020000
#if defined (__IAR_SYSTEMS_ICC__) && (__VER__) >= 6020000 /* for IAR 6.2 later Compiler */
#pragma module_name = "?time"
#if _DLIB_TIME_USES_64
time_t __time64(time_t *t)
#else
time_t __time32(time_t *t)
#endif
#else
#else /* Keil & GCC */
time_t time(time_t *t)
#endif
{
......@@ -290,3 +209,99 @@ RT_WEAK clock_t clock(void)
{
return rt_tick_get();
}
/* TODO: timezone */
int gettimeofday(struct timeval *tp, struct timezone *tz)
{
time_t time = 0;
#ifdef RT_USING_DEVICE
rt_device_t device;
device = rt_device_find("rtc");
RT_ASSERT(device != RT_NULL);
rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &time);
if (tp != RT_NULL)
{
tp->tv_sec = time;
tp->tv_usec = 0;
}
#else
tv->tv_sec = 0;
tv->tv_usec = 0;
#endif
return time;
}
time_t timegm(struct tm * const t)
{
register time_t day;
register time_t i;
register time_t years = t->tm_year - 70;
if (t->tm_sec > 60)
{
t->tm_min += t->tm_sec / 60;
t->tm_sec %= 60;
}
if (t->tm_min > 60)
{
t->tm_hour += t->tm_min / 60;
t->tm_min %= 60;
}
if (t->tm_hour > 24)
{
t->tm_mday += t->tm_hour / 24;
t->tm_hour %= 24;
}
if (t->tm_mon > 12)
{
t->tm_year += t->tm_mon / 12;
t->tm_mon %= 12;
}
while (t->tm_mday > __spm[1 + t->tm_mon])
{
if (t->tm_mon == 1 && __isleap(t->tm_year + 1900))
{
--t->tm_mday;
}
t->tm_mday -= __spm[t->tm_mon];
++t->tm_mon;
if (t->tm_mon > 11)
{
t->tm_mon = 0;
++t->tm_year;
}
}
if (t->tm_year < 70)
return (time_t) - 1;
/* Days since 1970 is 365 * number of years + number of leap years since 1970 */
day = years * 365 + (years + 1) / 4;
/* After 2100 we have to substract 3 leap years for every 400 years
This is not intuitive. Most mktime implementations do not support
dates after 2059, anyway, so we might leave this out for it's
bloat. */
if (years >= 131)
{
years -= 131;
years /= 100;
day -= (years >> 2) * 3 + 1;
if ((years &= 3) == 3)
years--;
day -= years;
}
day += t->tm_yday = __spm[t->tm_mon] + t->tm_mday - 1 +
(__isleap(t->tm_year + 1900) & (t->tm_mon > 1));
/* day is now the number of days since 'Jan 1 1970' */
i = 7;
t->tm_wday = (day + 4) % i; /* Sunday=0, Monday=1, ..., Saturday=6 */
i = 24;
day *= i;
i = 60;
return ((day + t->tm_hour) * i + t->tm_min) * i + t->tm_sec;
}
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