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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.OARcorp.com/rtems/license.html.

 *

 *  $Id: coretodtickle.c,v 1.2 2001-09-27 11:59:34 chris Exp $

 */

#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_Tickle

 *

 *  This routine updates the calendar time and tickles the

 *  per second watchdog timer chain.

 *

 *  Input parameters:

 *    ignored - this parameter is ignored

 *

 *  Output parameters: NONE

 *

 *  NOTE: This routine only works for leap-years through 2099.

 */

void _TOD_Tickle(

  Objects_Id  id,

  void       *ignored

)

{

  unsigned32 leap;

  _TOD_Current.ticks = 0;

  ++_TOD_Seconds_since_epoch;

  if ( ++_TOD_Current.second >= TOD_SECONDS_PER_MINUTE ) {

    _TOD_Current.second = 0;

    if ( ++_TOD_Current.minute >= TOD_MINUTES_PER_HOUR ) {

      _TOD_Current.minute = 0;

      if ( ++_TOD_Current.hour >= TOD_HOURS_PER_DAY ) {

        _TOD_Current.hour = 0;

        if ( _TOD_Current.year & 0x3 ) leap = 0;

        else                           leap = 1;

        if ( ++_TOD_Current.day >

               _TOD_Days_per_month[ leap ][ _TOD_Current.month ]) {

          _TOD_Current.day = 1;

          if ( ++_TOD_Current.month > TOD_MONTHS_PER_YEAR ) {

            _TOD_Current.month = 1;

            _TOD_Current.year++;

          }

        }

      }

    }

  }

  _Watchdog_Tickle_seconds();

  _Watchdog_Insert_ticks( &_TOD_Seconds_watchdog, _TOD_Ticks_per_second );

}