bernard.xiong cb72c44e5a add time related function.
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1090 bbd45198-f89e-11dd-88c7-29a3b14d5316
2010-11-22 09:51:40 +00:00

22 lines
669 B
C

#ifndef __RTT_LIBC_H__
#define __RTT_LIBC_H__
#include <sys/time.h>
#define MILLISECOND_PER_SECOND 1000UL
#define MICROSECOND_PER_SECOND 1000000UL
#define NANOSECOND_PER_SECOND 1000000000UL
#define MILLISECOND_PER_TICK (MILLISECOND_PER_SECOND / RT_TICK_PER_SECOND)
#define MICROSECOND_PER_TICK (MICROSECOND_PER_SECOND / RT_TICK_PER_SECOND)
#define NANOSECOND_PER_TICK (NANOSECOND_PER_SECOND / RT_TICK_PER_SECOND)
void libc_system_init(const char* tty_name);
/* some time related function */
int libc_set_time(const struct timespec *time);
int libc_get_time(struct timespec *time);
int libc_time_to_tick(const struct timespec *time);
#endif