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/*
* COPYRIGHT (c) 1989-2007.
* 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.
*
* $Id$
*/
/* updated for triple test, 2003/11/06, Erik Adli */
#define CONFIGURE_INIT
#include "system.h"
#include <inttypes.h>
#include <stdio.h>
/*
* Keep the names and IDs in global variables so another task can use them.
*/
rtems_id Task_id[ 4 ]; /* array of task ids */
rtems_name Task_name[ 4 ]; /* array of task names */
rtems_task Init(
rtems_task_argument argument
)
{
rtems_status_code status;
rtems_time_of_day time;
uint32_t ticks_per_second, ticks_since_boot;
puts( "\n\n\n*** PERIODIC TASKING TRIPLE TEST ***" );
puts( "*** This demo shows three different ways of running periodic tasks ***" );
puts( "*** It also demonstrates the CPU usage and Rate Monotonic statitistics utilities ***" );
rtems_clock_get( RTEMS_CLOCK_GET_TICKS_PER_SECOND, &ticks_per_second );
printf("\nTicks per second in your system: %" PRIu32 "\n", ticks_per_second);
rtems_clock_get( RTEMS_CLOCK_GET_TICKS_SINCE_BOOT, &ticks_since_boot );
printf("Ticks since boot: %" PRIu32 "\n\n", ticks_since_boot);
time.year = 1988;
time.month = 12;
time.day = 31;
time.hour = 9;
time.minute = 0;
time.second = 0;
time.ticks = 0;
status = rtems_clock_set( &time );
Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' );
Task_name[ 2 ] = rtems_build_name( 'T', 'A', '2', ' ' );
Task_name[ 3 ] = rtems_build_name( 'T', 'A', '3', ' ' );
// prototype: rtems_task_create( name, initial_priority, stack_size, initial_modes, attribute_set, *id );
status = rtems_task_create(
Task_name[ 1 ], 1, RTEMS_MINIMUM_STACK_SIZE * 2, RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES, &Task_id[ 1 ]
);
status = rtems_task_create(
Task_name[ 2 ], 1, RTEMS_MINIMUM_STACK_SIZE * 2, RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES, &Task_id[ 2 ]
);
status = rtems_task_create(
Task_name[ 3 ], 1, RTEMS_MINIMUM_STACK_SIZE * 2, RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES, &Task_id[ 3 ]
);
// prototype: rtems_task_start( id, entry_point, argument );
status = rtems_task_start( Task_id[ 1 ], Task_Absolute_Period, 1 );
status = rtems_task_start( Task_id[ 2 ], Task_Rate_Monotonic_Period, 2 );
status = rtems_task_start( Task_id[ 3 ], Task_Relative_Period, 3 );
// delete init task after starting the three working tasks
status = rtems_task_delete( RTEMS_SELF );
}
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