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/*
* Time of Day (TOD) Handler - get TOD
*
* 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.
*
* $Id$
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/score/isr.h>
#include <rtems/score/timespec.h>
#include <rtems/score/timestamp.h>
#include <rtems/score/tod.h>
#include <rtems/score/watchdog.h>
/*
* _TOD_Get
*
* This routine is used to obtain the current date and time.
*
* Input parameters:
* time - pointer to the time and date structure
*
* Output parameters: NONE
*/
void _TOD_Get(
struct timespec *time
)
{
ISR_Level level;
Timestamp_Control offset;
Timestamp_Control now;
long nanoseconds;
/* assume time checked for NULL by caller */
/* _TOD_Now is the native current time */
nanoseconds = 0;
_ISR_Disable( level );
now = _TOD_Now;
if ( _Watchdog_Nanoseconds_since_tick_handler )
nanoseconds = (*_Watchdog_Nanoseconds_since_tick_handler)();
_ISR_Enable( level );
_Timestamp_Set( &offset, 0, nanoseconds );
_Timestamp_Add_to( &now, &offset );
_Timestamp_To_timespec( &now, time );
}
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