1 | /* |
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2 | * Time of Day (TOD) Handler |
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3 | * |
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4 | * |
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5 | * COPYRIGHT (c) 1989-1999. |
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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.OARcorp.com/rtems/license.html. |
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11 | * |
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12 | * $Id$ |
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13 | */ |
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14 | |
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15 | #include <rtems/system.h> |
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16 | #include <rtems/score/object.h> |
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17 | #include <rtems/score/thread.h> |
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18 | #include <rtems/score/tod.h> |
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19 | #include <rtems/score/watchdog.h> |
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20 | |
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21 | /*PAGE |
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22 | * |
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23 | * _TOD_Tickle |
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24 | * |
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25 | * This routine updates the calendar time and tickles the |
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26 | * per second watchdog timer chain. |
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27 | * |
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28 | * Input parameters: |
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29 | * ignored - this parameter is ignored |
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30 | * |
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31 | * Output parameters: NONE |
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32 | * |
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33 | * NOTE: This routine only works for leap-years through 2099. |
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34 | */ |
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35 | |
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36 | void _TOD_Tickle( |
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37 | Objects_Id id, |
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38 | void *ignored |
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39 | ) |
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40 | { |
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41 | unsigned32 leap; |
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42 | |
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43 | _TOD_Current.ticks = 0; |
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44 | ++_TOD_Seconds_since_epoch; |
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45 | if ( ++_TOD_Current.second >= TOD_SECONDS_PER_MINUTE ) { |
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46 | _TOD_Current.second = 0; |
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47 | if ( ++_TOD_Current.minute >= TOD_MINUTES_PER_HOUR ) { |
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48 | _TOD_Current.minute = 0; |
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49 | if ( ++_TOD_Current.hour >= TOD_HOURS_PER_DAY ) { |
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50 | _TOD_Current.hour = 0; |
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51 | if ( _TOD_Current.year & 0x3 ) leap = 0; |
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52 | else leap = 1; |
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53 | if ( ++_TOD_Current.day > |
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54 | _TOD_Days_per_month[ leap ][ _TOD_Current.month ]) { |
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55 | _TOD_Current.day = 1; |
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56 | if ( ++_TOD_Current.month > TOD_MONTHS_PER_YEAR ) { |
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57 | _TOD_Current.month = 1; |
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58 | _TOD_Current.year++; |
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59 | } |
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60 | } |
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61 | } |
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62 | } |
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63 | } |
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64 | |
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65 | _Watchdog_Tickle_seconds(); |
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66 | _Watchdog_Insert_ticks( &_TOD_Seconds_watchdog, _TOD_Ticks_per_second ); |
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67 | } |
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