rtems_status_code _Timer_Fire_when(
rtems_id id,
const rtems_time_of_day *wall_time,
rtems_timer_service_routine_entry routine,
void *user_data,
Timer_Classes the_class,
Watchdog_Service_routine_entry adaptor
)
{
rtems_interval seconds;
if ( !_TOD_Is_set() )
return RTEMS_NOT_DEFINED;
if ( !routine )
return RTEMS_INVALID_ADDRESS;
if ( !_TOD_Validate( wall_time ) )
return RTEMS_INVALID_CLOCK;
seconds = _TOD_To_seconds( wall_time );
if ( seconds <= _TOD_Seconds_since_epoch() )
return RTEMS_INVALID_CLOCK;
return _Timer_Fire(
id,
seconds,
routine,
user_data,
the_class,
adaptor
);
}
rtems_status_code rtems_clock_get_tod(
rtems_time_of_day *time_buffer
)
{
rtems_time_of_day *tmbuf = time_buffer;
struct tm time;
struct timeval now;
if ( !time_buffer )
return RTEMS_INVALID_ADDRESS;
if ( !_TOD_Is_set() )
return RTEMS_NOT_DEFINED;
/* Obtain the current time */
_TOD_Get_timeval( &now );
/* Split it into a closer format */
gmtime_r( &now.tv_sec, &time );
/* Now adjust it to the RTEMS format */
tmbuf->year = time.tm_year + 1900;
tmbuf->month = time.tm_mon + 1;
tmbuf->day = time.tm_mday;
tmbuf->hour = time.tm_hour;
tmbuf->minute = time.tm_min;
tmbuf->second = time.tm_sec;
tmbuf->ticks = now.tv_usec /
rtems_configuration_get_microseconds_per_tick();
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_timer_server_fire_when(
rtems_id id,
rtems_time_of_day *wall_time,
rtems_timer_service_routine_entry routine,
void *user_data
)
{
Timer_Control *the_timer;
Objects_Locations location;
rtems_interval seconds;
Timer_server_Control *timer_server = _Timer_server;
if ( !timer_server )
return RTEMS_INCORRECT_STATE;
if ( !_TOD_Is_set() )
return RTEMS_NOT_DEFINED;
if ( !routine )
return RTEMS_INVALID_ADDRESS;
if ( !_TOD_Validate( wall_time ) )
return RTEMS_INVALID_CLOCK;
seconds = _TOD_To_seconds( wall_time );
if ( seconds <= _TOD_Seconds_since_epoch() )
return RTEMS_INVALID_CLOCK;
the_timer = _Timer_Get( id, &location );
switch ( location ) {
case OBJECTS_LOCAL:
(void) _Watchdog_Remove( &the_timer->Ticker );
the_timer->the_class = TIMER_TIME_OF_DAY_ON_TASK;
_Watchdog_Initialize( &the_timer->Ticker, routine, id, user_data );
the_timer->Ticker.initial = seconds - _TOD_Seconds_since_epoch();
(*timer_server->schedule_operation)( timer_server, the_timer );
_Objects_Put( &the_timer->Object );
return RTEMS_SUCCESSFUL;
#if defined(RTEMS_MULTIPROCESSING)
case OBJECTS_REMOTE: /* should never return this */
#endif
case OBJECTS_ERROR:
break;
}
return RTEMS_INVALID_ID;
}
rtems_status_code rtems_clock_get_tod_timeval(
struct timeval *time
)
{
if ( !time )
return RTEMS_INVALID_ADDRESS;
if ( !_TOD_Is_set() )
return RTEMS_NOT_DEFINED;
_TOD_Get_timeval( time );
return RTEMS_SUCCESSFUL;
}
rtems_status_code rtems_task_wake_when(
rtems_time_of_day *time_buffer
)
{
Watchdog_Interval seconds;
if ( !_TOD_Is_set() )
return RTEMS_NOT_DEFINED;
if ( !time_buffer )
return RTEMS_INVALID_ADDRESS;
time_buffer->ticks = 0;
if ( !_TOD_Validate( time_buffer ) )
return RTEMS_INVALID_CLOCK;
seconds = _TOD_To_seconds( time_buffer );
if ( seconds <= _TOD_Seconds_since_epoch() )
return RTEMS_INVALID_CLOCK;
_Thread_Disable_dispatch();
_Thread_Set_state( _Thread_Executing, STATES_WAITING_FOR_TIME );
_Watchdog_Initialize(
&_Thread_Executing->Timer,
_Thread_Delay_ended,
_Thread_Executing->Object.id,
NULL
);
_Watchdog_Insert_seconds(
&_Thread_Executing->Timer,
seconds - _TOD_Seconds_since_epoch()
);
_Thread_Enable_dispatch();
return RTEMS_SUCCESSFUL;
}
