90 lines
1.6 KiB
C
90 lines
1.6 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2006-2018, RT-Thread Development Team
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*
|
||
|
|
* Change Logs:
|
||
|
|
* Date Author Notes
|
||
|
|
*/
|
||
|
|
#include <sys/time.h>
|
||
|
|
#include <rtthread.h>
|
||
|
|
|
||
|
|
#ifdef RT_USING_DEVICE
|
||
|
|
int gettimeofday(struct timeval *tp, void *ignore)
|
||
|
|
{
|
||
|
|
time_t time;
|
||
|
|
rt_device_t device;
|
||
|
|
|
||
|
|
device = rt_device_find("rtc");
|
||
|
|
if (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;
|
||
|
|
}
|
||
|
|
|
||
|
|
return time;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the current time.
|
||
|
|
*
|
||
|
|
* @param time_t * t the timestamp pointer, if not used, keep NULL.
|
||
|
|
*
|
||
|
|
* @return time_t return timestamp current.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
#pragma module_name = "?time"
|
||
|
|
#if _DLIB_TIME_USES_64
|
||
|
|
time_t __time64(time_t *t)
|
||
|
|
#else
|
||
|
|
/* for IAR 6.2 later Compiler */
|
||
|
|
#if defined (__IAR_SYSTEMS_ICC__) && (__VER__) >= 6020000
|
||
|
|
time_t __time32(time_t *t)
|
||
|
|
#else
|
||
|
|
time_t time(time_t *t)
|
||
|
|
#endif
|
||
|
|
#endif
|
||
|
|
{
|
||
|
|
time_t time_now = 0;
|
||
|
|
|
||
|
|
#ifdef RT_USING_RTC
|
||
|
|
static rt_device_t device = RT_NULL;
|
||
|
|
|
||
|
|
/* optimization: find rtc device only first. */
|
||
|
|
if (device == RT_NULL)
|
||
|
|
{
|
||
|
|
device = rt_device_find("rtc");
|
||
|
|
}
|
||
|
|
|
||
|
|
/* read timestamp from RTC device. */
|
||
|
|
if (device != RT_NULL)
|
||
|
|
{
|
||
|
|
if (rt_device_open(device, 0) == RT_EOK)
|
||
|
|
{
|
||
|
|
rt_device_control(device, RT_DEVICE_CTRL_RTC_GET_TIME, &time_now);
|
||
|
|
rt_device_close(device);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif /* RT_USING_RTC */
|
||
|
|
|
||
|
|
/* if t is not NULL, write timestamp to *t */
|
||
|
|
if (t != RT_NULL)
|
||
|
|
{
|
||
|
|
*t = time_now;
|
||
|
|
}
|
||
|
|
|
||
|
|
return time_now;
|
||
|
|
}
|
||
|
|
|
||
|
|
RT_WEAK clock_t clock(void)
|
||
|
|
{
|
||
|
|
return rt_tick_get();
|
||
|
|
}
|