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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.
*
* $Id$
*/
/* updated for triple test, 20003/11/06, Erik Adli */
#include <inttypes.h>
#include <rtems.h>
/* functions */
rtems_task Init(
rtems_task_argument argument
);
rtems_task Task_Absolute_Period(
rtems_task_argument argument
);
rtems_task Task_Rate_Monotonic_Period(
rtems_task_argument argument
);
rtems_task Task_Relative_Period(
rtems_task_argument argument
);
/* global variables */
/*
* Keep the names and IDs in global variables so another task can use them.
*/
extern rtems_id Task_id[ 4 ]; /* array of task ids */
extern rtems_name Task_name[ 4 ]; /* array of task names */
/* configuration information */
#include <bsp.h> /* for device driver prototypes */
#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_MICROSECONDS_PER_TICK 500 // NB: 10 and lower gives system failure for erc32 simulator
#define CONFIGURE_MAXIMUM_TASKS 4
#define CONFIGURE_EXTRA_TASK_STACKS (6 * RTEMS_MINIMUM_STACK_SIZE)
// Needed for RM Mangager
#define CONFIGURE_MAXIMUM_PERIODS 1
#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
/* Needed for erc32 simulator.. */
/* ..for using "CPU_usage_Dump", since it uses printf("%f") if your processor has floating points) */
/* If you want to take away FP support (to avoid heavy context switch), you must rewrite CPU_usage_Dump instead */
#define CONFIGURE_INIT_TASK_ATTRIBUTES RTEMS_FLOATING_POINT
#include <rtems/confdefs.h>
/*
* Handy macros and static inline functions
*/
/*
* Macro to hide the ugliness of printing the time.
*/
#define print_time(_s1, _tb, _s2) \
do { \
printf( "%s%02" PRIu32 ":%02" PRIu32 ":%02" PRIu32 \
" %02" PRIu32 "/%02" PRIu32 "/%04" PRIu32 "%s", \
_s1, (_tb)->hour, (_tb)->minute, (_tb)->second, \
(_tb)->month, (_tb)->day, (_tb)->year, _s2 ); \
fflush(stdout); \
} while ( 0 )
/*
* Macro to print an task name that is composed of ASCII characters.
*
*/
#define put_name( _name, _crlf ) \
do { \
uint32_t c0, c1, c2, c3; \
\
c0 = ((_name) >> 24) & 0xff; \
c1 = ((_name) >> 16) & 0xff; \
c2 = ((_name) >> 8) & 0xff; \
c3 = (_name) & 0xff; \
putchar( (char)c0 ); \
if ( c1 ) putchar( (char)c1 ); \
if ( c2 ) putchar( (char)c2 ); \
if ( c3 ) putchar( (char)c3 ); \
if ( (_crlf) ) \
putchar( '\n' ); \
} while (0)
/*
* static inline routine to make obtaining ticks per second easier.
*/
static inline uint32_t get_ticks_per_second( void )
{
rtems_interval ticks_per_second;
(void) rtems_clock_get( RTEMS_CLOCK_GET_TICKS_PER_SECOND, &ticks_per_second ); return ticks_per_second;
}
/*
* This allows us to view the "Test_task" instantiations as a set
* of numbered tasks by eliminating the number of application
* tasks created.
*
* In reality, this is too complex for the purposes of this
* example. It would have been easier to pass a task argument. :)
* But it shows how rtems_id's can sometimes be used.
*/
#define task_number( tid ) \
( rtems_get_index( tid ) - \
rtems_configuration_get_rtems_api_configuration()->number_of_initialization_tasks )
/* end of include file */
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