@c @c COPYRIGHT (c) 1988-2002. @c On-Line Applications Research Corporation (OAR). @c All rights reserved. @c @c $Id$ @c @ifinfo @node Example Application, Glossary, Directive Status Codes, Top @end ifinfo @chapter Example Application @example /* * This file contains an example of a simple RTEMS * application. It instantiates the RTEMS Configuration * Information using confdef.h and contains two tasks: * a * user initialization task and a simple task. * * This example assumes that a board support package exists. */ #include rtems_task user_application(rtems_task_argument argument); rtems_task init_task( rtems_task_argument ignored ) @{ rtems_id tid; rtems_status_code status; rtems_name name; name = rtems_build_name( 'A', 'P', 'P', '1' ) status = rtems_task_create( name, 1, RTEMS_MINIMUM_STACK_SIZE, RTEMS_NO_PREEMPT, RTEMS_FLOATING_POINT, &tid ); if ( status != RTEMS_STATUS_SUCCESSFUL ) @{ printf( "rtems_task_create failed with status of %d.\n", status ); exit( 1 ); @} status = rtems_task_start( tid, user_application, 0 ); if ( status != RTEMS_STATUS_SUCCESSFUL ) @{ printf( "rtems_task_start failed with status of %d.\n", status ); exit( 1 ); @} status = rtems_task_delete( SELF ); /* should not return */ printf( "rtems_task_delete returned with status of %d.\n", status ); exit( 1 ); @} rtems_task user_application(rtems_task_argument argument) @{ /* application specific initialization goes here */ while ( 1 ) @{ /* infinite loop */ /* APPLICATION CODE GOES HERE * * This code will typically include at least one * directive which causes the calling task to * give up the processor. */ @} @} #define CONFIGURE_TEST_NEEDS_CONSOLE_DRIVER /* for stdio */ #define CONFIGURE_TEST_NEEDS_CLOCK_DRIVER /* for time services */ #define CONFIGURE_MAXIMUM_TASKS 2 #define CONFIGURE_INIT_TASK_NAME rtems_build_name( 'E', 'X', 'A', 'M' ) #define CONFIGURE_RTEMS_INIT_TASKS_TABLE #define CONFIGURE_INIT #include @end example