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/**
* @file
*
* @brief RTEMS Create Timer
* @ingroup ClassicTimer
*/
/*
* COPYRIGHT (c) 1989-2002.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/support.h>
#include <rtems/score/assert.h>
#include <rtems/score/thread.h>
#include <rtems/rtems/timerimpl.h>
#include <rtems/score/watchdogimpl.h>
void _Timer_Cancel( Timer_Control *the_timer )
{
Timer_server_Control *timer_server;
switch ( the_timer->the_class ) {
case TIMER_INTERVAL:
_Watchdog_Remove_ticks( &the_timer->Ticker );
break;
case TIMER_TIME_OF_DAY:
_Watchdog_Remove_seconds( &the_timer->Ticker );
break;
case TIMER_INTERVAL_ON_TASK:
case TIMER_TIME_OF_DAY_ON_TASK:
timer_server = _Timer_server;
(*timer_server->cancel)( timer_server, the_timer );
break;
default:
_Assert( the_timer->the_class == TIMER_DORMANT );
break;
}
}
rtems_status_code rtems_timer_create(
rtems_name name,
rtems_id *id
)
{
Timer_Control *the_timer;
if ( !rtems_is_name_valid( name ) )
return RTEMS_INVALID_NAME;
if ( !id )
return RTEMS_INVALID_ADDRESS;
the_timer = _Timer_Allocate();
if ( !the_timer ) {
_Objects_Allocator_unlock();
return RTEMS_TOO_MANY;
}
the_timer->the_class = TIMER_DORMANT;
_Watchdog_Initialize( &the_timer->Ticker, NULL, 0, NULL );
_Objects_Open(
&_Timer_Information,
&the_timer->Object,
(Objects_Name) name
);
*id = the_timer->Object.id;
_Objects_Allocator_unlock();
return RTEMS_SUCCESSFUL;
}
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