/* Priority_test_driver
*
* This routine is the initialization task for this test program.
* It is a user initialization task and has the responsibility for creating
* and starting the tasks that make up the test. If the time of day
* clock is required for the test, it should also be set to a known
* value by this function.
*
* Input parameters:
* priority_base - priority_base switch
*
* Output parameters: NONE
*
* 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.OARcorp.com/rtems/license.html.
*
* $Id$
*/
#include "system.h"
void Priority_test_driver(
rtems_unsigned32 priority_base
)
{
rtems_task_priority previous_priority;
rtems_unsigned32 index;
rtems_status_code status;
for ( index = 1 ; index <= 5 ; index++ ) {
switch ( index ) {
case 1:
case 2:
case 3:
Task_priority[ index ] = priority_base + index;
break;
default:
Task_priority[ index ] = priority_base + 3;
break;
}
status = rtems_task_create(
Priority_task_name[ index ],
Task_priority[ index ],
RTEMS_MINIMUM_STACK_SIZE * 2,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES,
&Priority_task_id[ index ]
);
directive_failed( status, "rtems_task_create loop" );
}
if ( priority_base == 0 ) {
for ( index = 1 ; index <= 5 ; index++ ) {
status = rtems_task_start(
Priority_task_id[ index ],
Priority_task,
index
);
directive_failed( status, "rtems_task_start loop" );
}
} else {
for ( index = 5 ; index >= 1 ; index-- ) {
status = rtems_task_start(
Priority_task_id[ index ],
Priority_task,
index
);
directive_failed( status, "rtems_task_start loop" );
status = rtems_task_wake_after( TICKS_PER_SECOND );
directive_failed( status, "rtems_task_wake_after loop" );
if ( priority_base == 64 ) {
if ( index == 4 ) {
status = rtems_task_set_priority(
Priority_task_id[ 5 ],
priority_base + 4,
&previous_priority
);
printf( "PDRV - change priority of PRI5 from %d to %d\n",
previous_priority,
priority_base + 4
);
directive_failed( status, "PDRV rtems_task_set_priority" );
}
status = rtems_task_set_priority(
Priority_task_id[ 5 ],
RTEMS_CURRENT_PRIORITY,
&previous_priority
);
directive_failed( status, "PDRV rtems_task_set_priority CURRENT" );
printf( "PDRV - priority of PRI5 is %d\n", previous_priority );
}
}
}
status = rtems_task_wake_after( TICKS_PER_SECOND );
directive_failed( status, "rtems_task_wake_after after loop" );
if ( priority_base == 0 ) {
for ( index = 1 ; index <= 5 ; index++ ) {
status = rtems_semaphore_release( Semaphore_id[ 2 ] );
directive_failed( status, "rtems_semaphore_release loop" );
}
}
if ( priority_base == 64 ) {
puts( "PDRV - rtems_task_resume - PRI5" );
status = rtems_task_resume( Priority_task_id[ 5 ] );
directive_failed( status, "rtems_task_resume" );
status = rtems_task_wake_after( 1 * TICKS_PER_SECOND );
directive_failed( status, "rtems_task_wake_after so PRI5 can run" );
status = rtems_task_delete( Priority_task_id[ 5 ] );
directive_failed( status, "rtems_task_delete of PRI5" );
}
else {
for ( index = 1 ; index <= 5 ; index++ ) {
status = rtems_task_delete( Priority_task_id[ index ] );
directive_failed( status, "rtems_task_delete loop" );
}
}
}