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/**
* @file
*
* @brief Set the Current TOD
* @ingroup ClassicClock
*/
/*
* COPYRIGHT (c) 1989-1999.
* 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/rtems/clock.h>
#include <rtems/score/todimpl.h>
#include <rtems/config.h>
rtems_status_code rtems_clock_set(
const rtems_time_of_day *tod
)
{
if ( !tod )
return RTEMS_INVALID_ADDRESS;
if ( _TOD_Validate( tod ) ) {
Timestamp_Control tod_as_timestamp;
uint32_t seconds;
uint32_t nanoseconds;
ISR_lock_Context lock_context;
seconds = _TOD_To_seconds( tod );
nanoseconds = tod->ticks
* rtems_configuration_get_nanoseconds_per_tick();
_Timestamp_Set( &tod_as_timestamp, seconds, nanoseconds );
_TOD_Lock();
_TOD_Acquire( &lock_context );
_TOD_Set( &tod_as_timestamp, &lock_context );
_TOD_Unlock();
return RTEMS_SUCCESSFUL;
}
return RTEMS_INVALID_CLOCK;
}
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