Subversion Repositories openrisc_2011-10-31

/*  Task_1

 *

 *  This routine serves as a test task.  It verifies intertask communication

 *  using task notepads and verifies the the user extensions (tcreate, etc).

 *

 *  Input parameters:

 *    argument - task argument

 *

 *  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: task1.c,v 1.2 2001-09-27 12:02:31 chris Exp $

 */

#include "system.h"

rtems_task Task_1(

  rtems_task_argument argument

)

{

  rtems_status_code   status;

  rtems_task_priority the_priority;

  rtems_task_priority previous_priority;

  rtems_test_pause();

  status = rtems_task_set_priority(

    RTEMS_SELF,

    RTEMS_CURRENT_PRIORITY,

    &the_priority

  );

  directive_failed( status, "rtems_task_set_priority" );

  printf(

    "TA1 - rtems_task_set_priority - get initial priority of self: %02d\n",

    the_priority

  );

  while( FOREVER ) {

    status = rtems_task_get_note( RTEMS_SELF, RTEMS_NOTEPAD_8, &the_priority );

    directive_failed( status, "rtems_task_get_note" );

    printf(

"TA1 - rtems_task_get_note - get RTEMS_NOTEPAD_8 - current priority: %02d\n",

       the_priority

    );

    if ( --the_priority == 0 ) {

      puts( "TA1 - rtems_task_suspend - suspend TA2" );

      status = rtems_task_suspend( Task_id[ 2 ] );

      directive_failed( status, "rtems_task_suspend" );

      puts( "TA1 - rtems_task_set_priority - set priority of TA2 ( blocked )" );

      status = rtems_task_set_priority( Task_id[ 2 ], 5, &previous_priority );

      directive_failed( status, "rtems_task_set_priority" );

      status = rtems_task_delete( Task_id[ 2 ] );

      directive_failed( status, "rtems_task_delete of TA2" );

      status = rtems_task_delete( RTEMS_SELF );

      directive_failed( status, "rtems_task_delete of RTEMS_SELF" );

    }

    printf( "TA1 - rtems_task_set_note - set TA2's RTEMS_NOTEPAD_8: %02d\n",

            the_priority

    );

    status = rtems_task_set_note( Task_id[ 2 ], RTEMS_NOTEPAD_8, the_priority );

    directive_failed( status, "rtems_task_set_note" );

    printf( "TA1 - rtems_task_set_priority - set TA2's priority: %02d\n",

            the_priority

    );

    status = rtems_task_set_priority(

               Task_id[ 2 ],

               the_priority,

               &previous_priority

    );

    directive_failed( status, "rtems_task_set_priority" );

  }

}