source: rtems/testsuites/samples/ticker/system.h @ 8f71a36

4.104.114.84.9
Last change on this file since 8f71a36 was 8f71a36, checked in by Ralf Corsepius <ralf.corsepius@…>, on Apr 20, 2004 at 7:09:31 AM

Remove stray white spaces.

  • Property mode set to 100644
File size: 2.7 KB
Line 
1/*  system.h
2 *
3 *  This include file contains information that is included in every
4 *  function in the test set.
5 *
6 *  COPYRIGHT (c) 1989-1999.
7 *  On-Line Applications Research Corporation (OAR).
8 *
9 *  The license and distribution terms for this file may be
10 *  found in the file LICENSE in this distribution or at
11 *  http://www.rtems.com/license/LICENSE.
12 *
13 *  $Id$
14 */
15
16#include <rtems.h>
17
18/* functions */
19
20rtems_task Init(
21  rtems_task_argument argument
22);
23
24rtems_task Test_task(
25  rtems_task_argument argument
26);
27
28/* global variables */
29
30/*
31 *  Keep the names and IDs in global variables so another task can use them.
32 */
33
34extern rtems_id   Task_id[ 4 ];         /* array of task ids */
35extern rtems_name Task_name[ 4 ];       /* array of task names */
36
37
38/* configuration information */
39
40#include <bsp.h> /* for device driver prototypes */
41
42#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
43#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
44
45#define CONFIGURE_MAXIMUM_TASKS             4
46
47#define CONFIGURE_RTEMS_INIT_TASKS_TABLE
48
49#define CONFIGURE_EXTRA_TASK_STACKS         (3 * RTEMS_MINIMUM_STACK_SIZE)
50
51#include <rtems/confdefs.h>
52
53/*
54 *  Handy macros and static inline functions
55 */
56
57/*
58 *  Macro to hide the ugliness of printing the time.
59 */
60
61#define print_time(_s1, _tb, _s2) \
62  do { \
63    printf( "%s%02d:%02d:%02d   %02d/%02d/%04d%s", \
64       _s1, (_tb)->hour, (_tb)->minute, (_tb)->second, \
65       (_tb)->month, (_tb)->day, (_tb)->year, _s2 ); \
66    fflush(stdout); \
67  } while ( 0 )
68
69/*
70 *  Macro to print an task name that is composed of ASCII characters.
71 *
72 */
73
74#define put_name( _name, _crlf ) \
75  do { \
76    uint32_t   c0, c1, c2, c3; \
77    \
78    c0 = ((_name) >> 24) & 0xff; \
79    c1 = ((_name) >> 16) & 0xff; \
80    c2 = ((_name) >> 8) & 0xff; \
81    c3 = (_name) & 0xff; \
82    putchar( (char)c0 ); \
83    if ( c1 ) putchar( (char)c1 ); \
84    if ( c2 ) putchar( (char)c2 ); \
85    if ( c3 ) putchar( (char)c3 ); \
86    if ( (_crlf) ) \
87      putchar( '\n' ); \
88  } while (0)
89
90/*
91 *  static inline routine to make obtaining ticks per second easier.
92 */
93
94static inline uint32_t   get_ticks_per_second( void )
95{
96  rtems_interval ticks_per_second;
97  (void) rtems_clock_get( RTEMS_CLOCK_GET_TICKS_PER_SECOND, &ticks_per_second );  return ticks_per_second;
98}
99
100
101/*
102 *  This allows us to view the "Test_task" instantiations as a set
103 *  of numbered tasks by eliminating the number of application
104 *  tasks created.
105 *
106 *  In reality, this is too complex for the purposes of this
107 *  example.  It would have been easier to pass a task argument. :)
108 *  But it shows how rtems_id's can sometimes be used.
109 */
110
111#define task_number( tid ) \
112  ( rtems_get_index( tid ) - \
113     rtems_configuration_get_rtems_api_configuration()->number_of_initialization_tasks )
114
115/* end of include file */
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