diff options
Diffstat (limited to '')
| -rw-r--r-- | cpukit/score/include/rtems/score/tod.h | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/cpukit/score/include/rtems/score/tod.h b/cpukit/score/include/rtems/score/tod.h index c07a48a3e5..a0c252e376 100644 --- a/cpukit/score/include/rtems/score/tod.h +++ b/cpukit/score/include/rtems/score/tod.h @@ -137,7 +137,7 @@ SCORE_EXTERN struct timespec _TOD_Uptime; * The following contains the number of seconds from 00:00:00 * January 1, TOD_BASE_YEAR until the current time of day. */ -SCORE_EXTERN Watchdog_Interval _TOD_Seconds_since_epoch; +#define _TOD_Seconds_since_epoch (_TOD_Now.tv_sec) /** @brief Microseconds per Clock Tick * @@ -217,6 +217,17 @@ void _TOD_Tickle_ticks( void ); #define TOD_MILLISECONDS_TO_TICKS(_ms) \ (TOD_MILLISECONDS_TO_MICROSECONDS(_ms) / _TOD_Microseconds_per_tick) + +/** @brief How many ticks in a second? + * + * This macro returns the number of ticks in a second. + * + * @note If the clock tick value does not multiply evenly into a second + * then this number of ticks will be slightly shorter than a second. + */ +#define TOD_TICKS_PER_SECOND \ + (TOD_MICROSECONDS_PER_SECOND / _TOD_Microseconds_per_tick) + #ifndef __RTEMS_APPLICATION__ #include <rtems/score/tod.inl> #endif |