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/*
* Time of Day (TOD) Handler
*
*
* COPYRIGHT (c) 1989-1999.
* 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/object.h>
#include <rtems/score/thread.h>
#include <rtems/score/tod.h>
#include <rtems/score/watchdog.h>
/*PAGE
*
* _TOD_Handler_initialization
*
* This routine initializes the time of day handler.
*
* Input parameters:
* microseconds_per_tick - microseconds between clock ticks
*
* Output parameters: NONE
*/
void _TOD_Handler_initialization(
uint32_t microseconds_per_tick
)
{
_TOD_Microseconds_per_tick = microseconds_per_tick;
/* POSIX format TOD (timespec) */
_TOD_Now.tv_sec = TOD_SECONDS_1970_THROUGH_1988;
_TOD_Now.tv_nsec = 0;
/* Uptime (timespec) */
_TOD_Uptime.tv_sec = 0;
_TOD_Uptime.tv_nsec = 0;
/* Seconds since RTEMS Epoch (1988) */
_TOD_Seconds_since_epoch = 0;
/* Protect ourselves from a divide by zero fault */
if ( microseconds_per_tick == 0 )
_TOD_Ticks_per_second = 0;
else
_TOD_Ticks_per_second =
TOD_MICROSECONDS_PER_SECOND / microseconds_per_tick;
/* TOD has not been set */
_TOD_Is_set = FALSE;
_TOD_Activate( _TOD_Ticks_per_second );
}
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