source: rtems/c/src/ada-tests/samples/nsecs/sptest.adb @ 61250b4

4.115
Last change on this file since 61250b4 was 3c4d8cd1, checked in by Joel Sherrill <joel.sherrill@…>, on Feb 16, 2011 at 3:53:16 PM

2011-02-16 Joel Sherrill <joel.sherrill@…>

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ada-tests/tmtests/tmck/tmtest.ads, ada-tests/tmtests/tmoverhd/dummy_rtems.adb, ada-tests/tmtests/tmoverhd/dummy_rtems.ads, ada-tests/tmtests/tmoverhd/tmoverhd.adb, ada-tests/tmtests/tmoverhd/tmtest.adb, ada-tests/tmtests/tmoverhd/tmtest.ads: Account for RTEMS binding child package rework. Eliminate all warnings.
  • Property mode set to 100644
File size: 4.0 KB
Line 
1--
2--  SPTEST / BODY
3--
4--  DESCRIPTION:
5--
6--  This package is the implementation of the Nanosecond test of the
7--  Sample Test Suite.
8--
9--  DEPENDENCIES:
10--
11-- 
12--
13--  COPYRIGHT (c) 1989-2011.
14--  On-Line Applications Research Corporation (OAR).
15--
16--  The license and distribution terms for this file may in
17--  the file LICENSE in this distribution or at
18--  http://www.rtems.com/license/LICENSE.
19--
20--  $Id$
21--
22
23with Ada.Integer_Text_IO;
24with Interfaces.C;
25with RTEMS;
26with RTEMS.Clock;
27with Text_IO;
28use type Interfaces.C.Long;
29use type RTEMS.Time_T;
30
31package body SPTEST is
32
33   Dummy_Variable : Natural := 0;
34
35   procedure Simple_Procedure is
36   begin
37      Dummy_Variable := Dummy_Variable + 1;
38   end Simple_Procedure;
39
40   procedure Subtract_Em (
41      Start  : in     RTEMS.Timespec;
42      Stop   : in     RTEMS.Timespec;
43      Result :    out RTEMS.Timespec
44   ) is
45      Nanoseconds_Per_Second : constant := 1000000000;
46   begin
47      if (Stop.TV_Nsec < Start.TV_Nsec) then
48         Result.TV_Sec  := Stop.TV_Sec - Start.TV_Sec - 1;
49         Result.TV_Nsec :=
50           (Nanoseconds_Per_Second - Start.TV_Nsec) + Stop.TV_Nsec;
51      else
52         Result.TV_Sec  := Stop.TV_Sec - Start.TV_Sec;
53         Result.TV_Nsec := Stop.TV_Nsec - Start.TV_Nsec;
54      end if;
55   end Subtract_Em;
56
57
58--
59--  INIT
60--
61
62   procedure INIT (
63      ARGUMENT : in     RTEMS.TASKS.ARGUMENT
64   ) is
65      pragma Unreferenced(ARGUMENT);
66      Status : RTEMS.Status_Codes;
67      Start  : RTEMS.Timespec;
68      Stop   : RTEMS.Timespec;
69      Diff   : RTEMS.Timespec;
70      Max    : Integer;
71   begin
72
73      TEXT_IO.NEW_LINE( 2 );
74      TEXT_IO.PUT_LINE( "*** NANOSECOND CLOCK TEST ***" );
75
76      --
77      --  Iterate 10 times showing difference in TOD
78      --
79
80      TEXT_IO.PUT_LINE( "10 iterations of getting TOD NOT tested in Ada" );
81
82      --
83      --  Iterate 10 times showing difference in Uptime
84      --
85
86      TEXT_IO.NEW_LINE;
87      TEXT_IO.PUT_LINE( "10 iterations of getting Uptime" );
88
89      for Index in 1 .. 10 loop
90
91         RTEMS.Clock.Get_Uptime( Start, Status );
92         RTEMS.Clock.Get_Uptime( Stop, Status );
93
94         Subtract_Em( Start, Stop, Diff );
95
96         Ada.Integer_Text_IO.Put( Integer( Start.TV_Sec ), 1 );
97         Text_IO.Put( ":" );
98         Ada.Integer_Text_IO.Put( Integer( Start.TV_Nsec ), 9 );
99         Text_IO.Put( " " );
100         Ada.Integer_Text_IO.Put( Integer( Stop.TV_Sec ), 1 );
101         Text_IO.Put( ":" );
102         Ada.Integer_Text_IO.Put( Integer( Stop.TV_Nsec ), 9 );
103         Text_IO.Put( " --> " );
104         Ada.Integer_Text_IO.Put( Integer( Diff.TV_Sec ), 1 );
105         Text_IO.Put( ":" );
106         Ada.Integer_Text_IO.Put( Integer( Diff.TV_Nsec ), 9 );
107         Text_IO.New_Line;
108      end loop;
109
110      --
111      --  Iterate 10 times showing difference in Uptime with different counts
112      --
113
114      TEXT_IO.NEW_LINE;
115      TEXT_IO.PUT_LINE(
116         "10 iterations of getting Uptime with different loop values"
117      );
118
119      for Index in 1 .. 10 loop
120         Max := (Index * 10000);
121         RTEMS.Clock.Get_Uptime( Start, Status );
122         for j in 1 .. Max loop
123            Simple_Procedure;
124         end loop;
125         RTEMS.Clock.Get_Uptime( Stop, Status );
126
127         Subtract_Em( Start, Stop, Diff );
128
129         Text_IO.Put( "loop of " );
130         Ada.Integer_Text_IO.Put( Max, 6 );
131         Text_IO.Put( " " );
132         Ada.Integer_Text_IO.Put( Integer( Start.TV_Sec ), 1 );
133         Text_IO.Put( ":" );
134         Ada.Integer_Text_IO.Put( Integer( Start.TV_Nsec ), 9 );
135         Text_IO.Put( " " );
136         Ada.Integer_Text_IO.Put( Integer( Stop.TV_Sec ), 1 );
137         Text_IO.Put( ":" );
138         Ada.Integer_Text_IO.Put( Integer( Stop.TV_Nsec ), 9 );
139         Text_IO.Put( " --> " );
140         Ada.Integer_Text_IO.Put( Integer( Diff.TV_Sec ), 1 );
141         Text_IO.Put( ":" );
142         Ada.Integer_Text_IO.Put( Integer( Diff.TV_Nsec ), 9 );
143         Text_IO.New_Line;
144
145      end loop;
146
147      delay( 1.0 );
148
149      TEXT_IO.PUT_LINE( "*** END OF NANOSECOND CLOCK TEST ***" );
150
151      RTEMS.SHUTDOWN_EXECUTIVE( 0 );
152
153   end INIT;
154
155end SPTEST;
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