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Example Application
###################
.. code:: c
/*
* 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.
\*/
#include <rtems.h>
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.
\*/
}
}
/* The Console Driver supplies Standard I/O. \*/
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
/* The Clock Driver supplies the clock tick. \*/
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#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 <rtems/confdefs.h>
.. COMMENT: COPYRIGHT (c) 1989-2011.
.. COMMENT: On-Line Applications Research Corporation (OAR).
.. COMMENT: All rights reserved.
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