tod.h

Go to the documentation of this file.

/*
 *  COPYRIGHT (c) 1989-2008.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 *
 *  $Id: tod.h,v 1.32 2008/04/09 18:27:02 joel Exp $
 */

#ifndef _RTEMS_SCORE_TOD_H
#define _RTEMS_SCORE_TOD_H

#ifdef __cplusplus
extern "C" {
#endif

#include <rtems/score/object.h>
#include <time.h>

#define TOD_SECONDS_PER_MINUTE (uint32_t)60

#define TOD_MINUTES_PER_HOUR   (uint32_t)60

#define TOD_MONTHS_PER_YEAR    (uint32_t)12

#define TOD_DAYS_PER_YEAR      (uint32_t)365

#define TOD_HOURS_PER_DAY      (uint32_t)24

#define TOD_SECONDS_PER_DAY    (uint32_t) (TOD_SECONDS_PER_MINUTE * \
                                TOD_MINUTES_PER_HOUR   * \
                                TOD_HOURS_PER_DAY)

#define TOD_SECONDS_PER_NON_LEAP_YEAR (365 * TOD_SECONDS_PER_DAY)

#define TOD_MILLISECONDS_PER_SECOND     (uint32_t)1000

#define TOD_MICROSECONDS_PER_SECOND     (uint32_t)1000000

#define TOD_NANOSECONDS_PER_SECOND      (uint32_t)1000000000

#define TOD_NANOSECONDS_PER_MICROSECOND (uint32_t)1000

#define TOD_SECONDS_1970_THROUGH_1988 \
  (((1987 - 1970 + 1)  * TOD_SECONDS_PER_NON_LEAP_YEAR) + \
  (4 * TOD_SECONDS_PER_DAY))

#define TOD_TICKS_PER_SECOND \
           (TOD_MICROSECONDS_PER_SECOND / _TOD_Microseconds_per_tick)

#define TOD_BASE_YEAR 1988

SCORE_EXTERN boolean _TOD_Is_set;

SCORE_EXTERN struct timespec _TOD_Now;

SCORE_EXTERN struct timespec _TOD_Uptime;

#define _TOD_Seconds_since_epoch (_TOD_Now.tv_sec)

SCORE_EXTERN uint32_t   _TOD_Microseconds_per_tick;

void _TOD_Handler_initialization(
  uint32_t   microseconds_per_tick
);

void _TOD_Set(
  const struct timespec *time
);

void _TOD_Get(
  struct timespec *time
);

void _TOD_Get_uptime(
  struct timespec *time
);

void _TOD_Tickle_ticks( void );

#define TOD_MILLISECONDS_TO_MICROSECONDS(_ms) ((uint32_t)(_ms) * 1000L)

#define TOD_MICROSECONDS_TO_TICKS(_us) \
    ((_us) / _TOD_Microseconds_per_tick)

#define TOD_MILLISECONDS_TO_TICKS(_ms) \
    (TOD_MILLISECONDS_TO_MICROSECONDS(_ms) / _TOD_Microseconds_per_tick)


#define TOD_TICKS_PER_SECOND \
  (TOD_MICROSECONDS_PER_SECOND / _TOD_Microseconds_per_tick)

#ifndef __RTEMS_APPLICATION__
#include <rtems/score/tod.inl>
#endif

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */

---