source: rtems/cpukit/score/src/coretodget.c @ 18657d1

4.11
Last change on this file since 18657d1 was 18657d1, checked in by Sebastian Huber <sebastian.huber@…>, on Dec 16, 2010 at 2:50:12 PM

2010-12-16 Sebastian Huber <sebastian.huber@…>

  • score/src/watchdognanoseconds.c: New file.
  • score/Makefile.am: Reflect change above.
  • score/include/rtems/score/watchdog.h, score/src/coretodget.c, score/src/coretodgetuptime.c: Do not allow NULL as nanoseconds since last tick handler pointer.
  • Property mode set to 100644
File size: 1.2 KB
Line 
1/*
2 *  Time of Day (TOD) Handler - get TOD
3 *
4 *  COPYRIGHT (c) 1989-2008.
5 *  On-Line Applications Research Corporation (OAR).
6 *
7 *  The license and distribution terms for this file may be
8 *  found in the file LICENSE in this distribution or at
9 *  http://www.rtems.com/license/LICENSE.
10 *
11 *  $Id$
12 */
13
14#if HAVE_CONFIG_H
15#include "config.h"
16#endif
17
18#include <rtems/system.h>
19#include <rtems/score/isr.h>
20#include <rtems/score/timespec.h>
21#include <rtems/score/timestamp.h>
22#include <rtems/score/tod.h>
23#include <rtems/score/watchdog.h>
24
25/*
26 *  _TOD_Get
27 *
28 *  This routine is used to obtain the current date and time.
29 *
30 *  Input parameters:
31 *    time  - pointer to the time and date structure
32 *
33 *  Output parameters: NONE
34 */
35
36void _TOD_Get(
37  struct timespec *time
38)
39{
40  ISR_Level         level;
41  Timestamp_Control offset;
42  Timestamp_Control now;
43  long              nanoseconds;
44
45  /* assume time checked for NULL by caller */
46
47  /* _TOD_Now is the native current time */
48  _ISR_Disable( level );
49    now = _TOD_Now;
50    nanoseconds = (*_Watchdog_Nanoseconds_since_tick_handler)();
51  _ISR_Enable( level );
52
53  _Timestamp_Set( &offset, 0, nanoseconds );
54  _Timestamp_Add_to( &now, &offset );
55  _Timestamp_To_timespec( &now, time );
56}
Note: See TracBrowser for help on using the repository browser.