source: rtems/c/src/exec/score/src/coretod.c @ df49c60

4.104.114.84.95
Last change on this file since df49c60 was 08311cc3, checked in by Joel Sherrill <joel.sherrill@…>, on 11/17/99 at 17:51:34

Updated copyright notice.

  • Property mode set to 100644
File size: 1.3 KB
Line 
1/*
2 *  Time of Day (TOD) Handler
3 *
4 *
5 *  COPYRIGHT (c) 1989-1999.
6 *  On-Line Applications Research Corporation (OAR).
7 *
8 *  The license and distribution terms for this file may be
9 *  found in the file LICENSE in this distribution or at
10 *  http://www.OARcorp.com/rtems/license.html.
11 *
12 *  $Id$
13 */
14
15#include <rtems/system.h>
16#include <rtems/score/object.h>
17#include <rtems/score/thread.h>
18#include <rtems/score/tod.h>
19#include <rtems/score/watchdog.h>
20
21/*PAGE
22 *
23 *  _TOD_Handler_initialization
24 *
25 *  This routine initializes the time of day handler.
26 *
27 *  Input parameters:
28 *    microseconds_per_tick - microseconds between clock ticks
29 *
30 *  Output parameters: NONE
31 */
32
33void _TOD_Handler_initialization(
34  unsigned32 microseconds_per_tick
35)
36{
37  _TOD_Microseconds_per_tick = microseconds_per_tick;
38
39  _TOD_Seconds_since_epoch = 0;
40
41  _TOD_Current.year   = TOD_BASE_YEAR;
42  _TOD_Current.month  = 1;
43  _TOD_Current.day    = 1;
44  _TOD_Current.hour   = 0;
45  _TOD_Current.minute = 0;
46  _TOD_Current.second = 0;
47  _TOD_Current.ticks  = 0;
48
49  if ( microseconds_per_tick == 0 )
50    _TOD_Ticks_per_second = 0;
51  else
52    _TOD_Ticks_per_second =
53       TOD_MICROSECONDS_PER_SECOND / microseconds_per_tick;
54
55  _Watchdog_Initialize( &_TOD_Seconds_watchdog, _TOD_Tickle, 0, NULL );
56
57  _TOD_Is_set = FALSE;
58  _TOD_Activate( _TOD_Ticks_per_second );
59}
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