4.115
Last change
on this file since 3246b0f8 was
3246b0f8,
checked in by Sebastian Huber <sebastian.huber@…>, on 06/13/12 at 09:29:53
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score: New structure TOD_Control
Group the global TOD variables (_TOD_Now, _TOD_Uptime, and _TOD_Is_set)
in a structure to reduce address loads in _TOD_Tickle_ticks().
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-
Property mode set to
100644
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File size:
1.1 KB
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1 | /* |
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2 | * Time of Day (TOD) Handler -- Set Time |
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3 | */ |
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4 | |
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5 | /* COPYRIGHT (c) 1989-2007. |
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6 | * On-Line Applications Research Corporation (OAR). |
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7 | * |
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8 | * The license and distribution terms for this file may be |
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9 | * found in the file LICENSE in this distribution or at |
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10 | * http://www.rtems.com/license/LICENSE. |
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11 | */ |
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12 | |
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13 | #if HAVE_CONFIG_H |
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14 | #include "config.h" |
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15 | #endif |
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16 | |
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17 | #include <rtems/system.h> |
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18 | #include <rtems/score/object.h> |
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19 | #include <rtems/score/thread.h> |
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20 | #include <rtems/score/timestamp.h> |
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21 | #include <rtems/score/tod.h> |
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22 | #include <rtems/score/watchdog.h> |
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23 | |
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24 | void _TOD_Set_with_timestamp( |
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25 | const Timestamp_Control *tod |
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26 | ) |
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27 | { |
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28 | Watchdog_Interval seconds_next = _Timestamp_Get_seconds( tod ); |
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29 | Watchdog_Interval seconds_now; |
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30 | |
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31 | _Thread_Disable_dispatch(); |
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32 | _TOD_Deactivate(); |
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33 | |
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34 | seconds_now = _TOD_Seconds_since_epoch(); |
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35 | |
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36 | if ( seconds_next < seconds_now ) |
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37 | _Watchdog_Adjust_seconds( WATCHDOG_BACKWARD, seconds_now - seconds_next ); |
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38 | else |
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39 | _Watchdog_Adjust_seconds( WATCHDOG_FORWARD, seconds_next - seconds_now ); |
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40 | |
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41 | _TOD.now = *tod; |
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42 | _TOD.is_set = true; |
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43 | |
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44 | _TOD_Activate(); |
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45 | _Thread_Enable_dispatch(); |
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46 | } |
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