blob: 45f4c299e11f8acd71714d9517f19ae8fe0ac492 (
plain) (
tree)
|
|
/**
* @file
*
* @brief Obtain Current Time of Day
* @ingroup ClassicClock
*/
/*
* COPYRIGHT (c) 1989-2009.
* 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.com/license/LICENSE.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/system.h>
#include <rtems/rtems/status.h>
#include <rtems/rtems/clock.h>
#include <rtems/score/isr.h>
#include <rtems/score/thread.h>
#include <rtems/score/tod.h>
#include <rtems/score/watchdog.h>
rtems_status_code rtems_clock_get(
rtems_clock_get_options option,
void *time_buffer
)
{
if ( !time_buffer )
return RTEMS_INVALID_ADDRESS;
if ( option == RTEMS_CLOCK_GET_TOD )
return rtems_clock_get_tod( (rtems_time_of_day *)time_buffer );
if ( option == RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH )
return rtems_clock_get_seconds_since_epoch((rtems_interval *)time_buffer);
if ( option == RTEMS_CLOCK_GET_TICKS_SINCE_BOOT ) {
rtems_interval *interval = (rtems_interval *)time_buffer;
*interval = rtems_clock_get_ticks_since_boot();
return RTEMS_SUCCESSFUL;
}
if ( option == RTEMS_CLOCK_GET_TICKS_PER_SECOND ) {
rtems_interval *interval = (rtems_interval *)time_buffer;
*interval = rtems_clock_get_ticks_per_second();
return RTEMS_SUCCESSFUL;
}
if ( option == RTEMS_CLOCK_GET_TIME_VALUE )
return rtems_clock_get_tod_timeval( (struct timeval *)time_buffer );
return RTEMS_INVALID_NUMBER;
}
|