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/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2012-01-29 aozima first version.
* 2012-04-12 aozima optimization: find rtc device only first.
* 2012-04-16 aozima add scheduler lock for set_date and set_time.
* 2018-02-16 armink add auto sync time by NTP
*/
#include <time.h>
#include <string.h>
#include <rtthread.h>
#ifdef RT_USING_RTC
/* Using NTP auto sync RTC time */
#ifdef RTC_SYNC_USING_NTP
/* NTP first sync delay time for network connect, unit: second */
#ifndef RTC_NTP_FIRST_SYNC_DELAY
#define RTC_NTP_FIRST_SYNC_DELAY (30)
#endif
/* NTP sync period, unit: second */
#ifndef RTC_NTP_SYNC_PERIOD
#define RTC_NTP_SYNC_PERIOD (1L*60L*60L)
#endif
#endif /* RTC_SYNC_USING_NTP */
/**
* Set system date(time not modify).
*
* @param rt_uint32_t year e.g: 2012.
* @param rt_uint32_t month e.g: 12 (1~12).
* @param rt_uint32_t day e.g: 31.
*
* @return rt_err_t if set success, return RT_EOK.
*
*/
rt_err_t set_date(rt_uint32_t year, rt_uint32_t month, rt_uint32_t day)
{
time_t now;
struct tm *p_tm;
struct tm tm_new;
rt_device_t device;
rt_err_t ret = -RT_ERROR;
/* get current time */
now = time(RT_NULL);
/* lock scheduler. */
rt_enter_critical();
/* converts calendar time time into local time. */
p_tm = localtime(&now);
/* copy the statically located variable */
memcpy(&tm_new, p_tm, sizeof(struct tm));
/* unlock scheduler. */
rt_exit_critical();
/* update date. */
tm_new.tm_year = year - 1900;
tm_new.tm_mon = month - 1; /* tm_mon: 0~11 */
tm_new.tm_mday = day;
/* converts the local time in time to calendar time. */
now = mktime(&tm_new);
device = rt_device_find("rtc");
if (device == RT_NULL)
{
return -RT_ERROR;
}
/* update to RTC device. */
ret = rt_device_control(device, RT_DEVICE_CTRL_RTC_SET_TIME, &now);
return ret;
}
/**
* Set system time(date not modify).
*
* @param rt_uint32_t hour e.g: 0~23.
* @param rt_uint32_t minute e.g: 0~59.
* @param rt_uint32_t second e.g: 0~59.
*
* @return rt_err_t if set success, return RT_EOK.
*
*/
rt_err_t set_time(rt_uint32_t hour, rt_uint32_t minute, rt_uint32_t second)
{
time_t now;
struct tm *p_tm;
struct tm tm_new;
rt_device_t device;
rt_err_t ret = -RT_ERROR;
/* get current time */
now = time(RT_NULL);
/* lock scheduler. */
rt_enter_critical();
/* converts calendar time time into local time. */
p_tm = localtime(&now);
/* copy the statically located variable */
memcpy(&tm_new, p_tm, sizeof(struct tm));
/* unlock scheduler. */
rt_exit_critical();
/* update time. */
tm_new.tm_hour = hour;
tm_new.tm_min = minute;
tm_new.tm_sec = second;
/* converts the local time in time to calendar time. */
now = mktime(&tm_new);
device = rt_device_find("rtc");
if (device == RT_NULL)
{
return -RT_ERROR;
}
/* update to RTC device. */
ret = rt_device_control(device, RT_DEVICE_CTRL_RTC_SET_TIME, &now);
return ret;
}
#ifdef RTC_SYNC_USING_NTP
static void ntp_sync_thread_enrty(void *param)
{
extern time_t ntp_sync_to_rtc(const char *host_name);
/* first sync delay for network connect */
rt_thread_delay(RTC_NTP_FIRST_SYNC_DELAY * RT_TICK_PER_SECOND);
while (1)
{
ntp_sync_to_rtc(NULL);
rt_thread_delay(RTC_NTP_SYNC_PERIOD * RT_TICK_PER_SECOND);
}
}
int rt_rtc_ntp_sync_init(void)
{
static rt_bool_t init_ok = RT_FALSE;
rt_thread_t thread;
if (init_ok)
{
return 0;
}
thread = rt_thread_create("ntp_sync", ntp_sync_thread_enrty, RT_NULL, 1536, 26, 2);
if (thread)
{
rt_thread_startup(thread);
}
else
{
return -RT_ENOMEM;
}
init_ok = RT_TRUE;
return RT_EOK;
}
INIT_COMPONENT_EXPORT(rt_rtc_ntp_sync_init);
#endif /* RTC_SYNC_USING_NTP */
#ifdef RT_USING_FINSH
#include <finsh.h>
#include <rtdevice.h>
void list_date(void)
{
time_t now;
now = time(RT_NULL);
rt_kprintf("%s\n", ctime(&now));
}
FINSH_FUNCTION_EXPORT(list_date, show date and time.)
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)
static void date(uint8_t argc, char **argv)
{
if (argc == 1)
{
time_t now;
/* output current time */
now = time(RT_NULL);
rt_kprintf("%s", ctime(&now));
}
else if (argc >= 7)
{
/* set time and date */
uint16_t year;
uint8_t month, day, hour, min, sec;
year = atoi(argv[1]);
month = atoi(argv[2]);
day = atoi(argv[3]);
hour = atoi(argv[4]);
min = atoi(argv[5]);
sec = atoi(argv[6]);
if (year > 2099 || year < 2000)
{
rt_kprintf("year is out of range [2000-2099]\n");
return;
}
if (month == 0 || month > 12)
{
rt_kprintf("month is out of range [1-12]\n");
return;
}
if (day == 0 || day > 31)
{
rt_kprintf("day is out of range [1-31]\n");
return;
}
if (hour > 23)
{
rt_kprintf("hour is out of range [0-23]\n");
return;
}
if (min > 59)
{
rt_kprintf("minute is out of range [0-59]\n");
return;
}
if (sec > 59)
{
rt_kprintf("second is out of range [0-59]\n");
return;
}
set_time(hour, min, sec);
set_date(year, month, day);
}
else
{
rt_kprintf("please input: date [year month day hour min sec] or date\n");
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) */
#endif /* RT_USING_FINSH */
#endif /* RT_USING_RTC */
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