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/*
* COPYRIGHT (c) 1989-2011.
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "system.h"
void Priority_test_driver(
rtems_task_priority priority_base
)
{
rtems_task_priority previous_priority;
uint32_t 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( rtems_clock_get_ticks_per_second() );
directive_failed( status, "rtems_task_wake_after loop" );
if ( priority_base == PRIORITY_INHERIT_BASE_PRIORITY ) {
if ( index == 4 ) {
status = rtems_task_set_priority(
Priority_task_id[ 5 ],
priority_base + 4,
&previous_priority
);
printf(
"PDRV - change priority of PRI5 from %" PRIdrtems_task_priority
" to %" PRIdrtems_task_priority "\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 %" PRIdrtems_task_priority "\n",
previous_priority
);
}
}
}
status = rtems_task_wake_after( rtems_clock_get_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 == PRIORITY_INHERIT_BASE_PRIORITY ) {
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( rtems_clock_get_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" );
}
}
}
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