source:
rtems/cpukit/score/src/coretodget.c
@
9b4422a2
Last change on this file since 9b4422a2 was 9b4422a2, checked in by Joel Sherrill <joel.sherrill@…>, on 05/03/12 at 15:09:24 | |
---|---|
|
|
File size: 1.0 KB |
Rev | Line | |
---|---|---|
[812da54] | 1 | /* |
2 | * Time of Day (TOD) Handler - get TOD | |
3 | * | |
[6a614160] | 4 | * COPYRIGHT (c) 1989-2008. |
[812da54] | 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 | ||
12 | #if HAVE_CONFIG_H | |
13 | #include "config.h" | |
14 | #endif | |
15 | ||
16 | #include <rtems/system.h> | |
17 | #include <rtems/score/isr.h> | |
[412dbff6] | 18 | #include <rtems/score/timespec.h> |
[c16bcc0] | 19 | #include <rtems/score/timestamp.h> |
[812da54] | 20 | #include <rtems/score/tod.h> |
[6a614160] | 21 | #include <rtems/score/watchdog.h> |
[812da54] | 22 | |
[8d7aea0d] | 23 | void _TOD_Get_as_timestamp( |
24 | Timestamp_Control *tod | |
[812da54] | 25 | ) |
26 | { | |
[c16bcc0] | 27 | ISR_Level level; |
28 | Timestamp_Control offset; | |
29 | Timestamp_Control now; | |
30 | long nanoseconds; | |
[812da54] | 31 | |
[c16bcc0] | 32 | /* assume time checked for NULL by caller */ |
[812da54] | 33 | |
[c16bcc0] | 34 | /* _TOD_Now is the native current time */ |
[812da54] | 35 | _ISR_Disable( level ); |
[c16bcc0] | 36 | now = _TOD_Now; |
[18657d1] | 37 | nanoseconds = (*_Watchdog_Nanoseconds_since_tick_handler)(); |
[812da54] | 38 | _ISR_Enable( level ); |
39 | ||
[c16bcc0] | 40 | _Timestamp_Set( &offset, 0, nanoseconds ); |
41 | _Timestamp_Add_to( &now, &offset ); | |
[8d7aea0d] | 42 | |
43 | *tod = now; | |
[812da54] | 44 | } |
Note: See TracBrowser
for help on using the repository browser.