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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.
*
* $Id$
*/
#include <stdio.h>
#include <bsp.h>
#include <assert.h>
#include "../../testmacros.h"
#include "../led.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_id Sem_id;
rtems_task Test_task(
rtems_task_argument unused
)
{
rtems_status_code status;
LED_INIT();
for ( ; ; ) {
status = rtems_semaphore_obtain(
Sem_id,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
if ( status != RTEMS_SUCCESSFUL )
fputs( "Task - obtain did not work\n", stderr );
LED_OFF();
status = rtems_task_wake_after( get_ticks_per_second() );
assert( status == RTEMS_SUCCESSFUL );
status = rtems_semaphore_release( Sem_id );
if ( status != RTEMS_SUCCESSFUL )
fputs( "Task - release did not work\n", stderr );
}
}
rtems_task Init(
rtems_task_argument argument
)
{
rtems_status_code status;
puts( "\n\n*** LED BLINKER -- semaphore ping/pong ***" );
Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' );
status = rtems_semaphore_create(
rtems_build_name( 'S', 'E', 'M', ' ' ),
0,
RTEMS_DEFAULT_ATTRIBUTES,
0,
&Sem_id
);
assert( status == RTEMS_SUCCESSFUL );
status = rtems_task_create(
Task_name[ 1 ], 1, RTEMS_MINIMUM_STACK_SIZE * 2, RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES, &Task_id[ 1 ]
);
assert( status == RTEMS_SUCCESSFUL );
status = rtems_task_start( Task_id[ 1 ], Test_task, 1 );
assert( status == RTEMS_SUCCESSFUL );
while (1) {
LED_ON();
status = rtems_task_wake_after( get_ticks_per_second() );
assert( status == RTEMS_SUCCESSFUL );
status = rtems_semaphore_release( Sem_id );
if ( status != RTEMS_SUCCESSFUL )
fputs( "init - release did not work\n", stderr );
status = rtems_semaphore_obtain(
Sem_id,
RTEMS_DEFAULT_OPTIONS,
RTEMS_NO_TIMEOUT
);
if ( status != RTEMS_SUCCESSFUL )
fputs( "init - obtain did not work\n", stderr );
}
status = rtems_task_delete( RTEMS_SELF );
assert( status == RTEMS_SUCCESSFUL );
}
/**************** START OF CONFIGURATION INFORMATION ****************/
#define CONFIGURE_INIT
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MAXIMUM_TASKS 4
#define CONFIGURE_MAXIMUM_SEMAPHORES 1
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
#define CONFIGURE_EXTRA_TASK_STACKS (3 * RTEMS_MINIMUM_STACK_SIZE)
#include <rtems/confdefs.h>
/**************** END OF CONFIGURATION INFORMATION ****************/
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