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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [tests/] [samples/] [ticker/] [system.h] - Blame information for rev 484

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1 30 unneback
/*  system.h
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 *
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 *  This include file contains information that is included in every
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 *  function in the test set.
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: system.h,v 1.2 2001-09-27 12:02:29 chris Exp $
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 */
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#include <rtems.h>
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/* functions */
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rtems_task Init(
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  rtems_task_argument argument
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);
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rtems_task Test_task(
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  rtems_task_argument argument
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);
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/* global variables */
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/*
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 *  Keep the names and IDs in global variables so another task can use them.
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 */
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extern rtems_id   Task_id[ 4 ];         /* array of task ids */
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extern rtems_name Task_name[ 4 ];       /* array of task names */
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/* configuration information */
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#include <bsp.h> /* for device driver prototypes */
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#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
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#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
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#define CONFIGURE_MAXIMUM_TASKS             4
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#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
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#define CONFIGURE_EXTRA_TASK_STACKS         (3 * RTEMS_MINIMUM_STACK_SIZE)
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#include <confdefs.h>
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/*
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 *  Handy macros and static inline functions
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 */
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/*
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 *  Macro to hide the ugliness of printing the time.
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 */
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#define print_time(_s1, _tb, _s2) \
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  do { \
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    printf( "%s%02d:%02d:%02d   %02d/%02d/%04d%s", \
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       _s1, (_tb)->hour, (_tb)->minute, (_tb)->second, \
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       (_tb)->month, (_tb)->day, (_tb)->year, _s2 ); \
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    fflush(stdout); \
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  } while ( 0 )
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/*
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 *  Macro to print an task name that is composed of ASCII characters.
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 *
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 */
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#define put_name( _name, _crlf ) \
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  do { \
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    rtems_unsigned32 c0, c1, c2, c3; \
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    \
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    c0 = ((_name) >> 24) & 0xff; \
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    c1 = ((_name) >> 16) & 0xff; \
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    c2 = ((_name) >> 8) & 0xff; \
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    c3 = (_name) & 0xff; \
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    putchar( (char)c0 ); \
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    if ( c1 ) putchar( (char)c1 ); \
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    if ( c2 ) putchar( (char)c2 ); \
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    if ( c3 ) putchar( (char)c3 ); \
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    if ( (_crlf) ) \
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      putchar( '\n' ); \
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  } while (0)
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/*
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 *  static inline routine to make obtaining ticks per second easier.
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 */
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static inline rtems_unsigned32 get_ticks_per_second( void )
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{
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  rtems_interval ticks_per_second;
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  (void) rtems_clock_get( RTEMS_CLOCK_GET_TICKS_PER_SECOND, &ticks_per_second );  return ticks_per_second;
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}
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/*
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 *  This allows us to view the "Test_task" instantiations as a set
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 *  of numbered tasks by eliminating the number of application
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 *  tasks created.
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 *
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 *  In reality, this is too complex for the purposes of this
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 *  example.  It would have been easier to pass a task argument. :)
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 *  But it shows how rtems_id's can sometimes be used.
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 */
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#define task_number( tid ) \
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  ( rtems_get_index( tid ) - \
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     rtems_configuration_get_rtems_api_configuration()->number_of_initialization_tasks )
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/* end of include file */

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