1 | /* Task_1 |
---|
2 | * |
---|
3 | * This test serves as a test task. It verifies timeslicing activities |
---|
4 | * and tswitch extension processing. |
---|
5 | * |
---|
6 | * Input parameters: |
---|
7 | * argument - task argument |
---|
8 | * |
---|
9 | * Output parameters: NONE |
---|
10 | * |
---|
11 | * COPYRIGHT (c) 1989-2009. |
---|
12 | * On-Line Applications Research Corporation (OAR). |
---|
13 | * |
---|
14 | * The license and distribution terms for this file may be |
---|
15 | * found in the file LICENSE in this distribution or at |
---|
16 | * http://www.rtems.com/license/LICENSE. |
---|
17 | * |
---|
18 | * $Id$ |
---|
19 | */ |
---|
20 | |
---|
21 | #include "system.h" |
---|
22 | |
---|
23 | static void |
---|
24 | showTaskSwitches (void) |
---|
25 | { |
---|
26 | unsigned int i; |
---|
27 | unsigned int switches = taskSwitchLogIndex; |
---|
28 | |
---|
29 | for (i = 0 ; i < switches ; i++) { |
---|
30 | put_name( Task_name[taskSwitchLog[i].taskIndex], FALSE ); |
---|
31 | print_time( "- ", &taskSwitchLog[i].when, "\n" ); |
---|
32 | } |
---|
33 | } |
---|
34 | |
---|
35 | rtems_task Task_1( |
---|
36 | rtems_task_argument argument |
---|
37 | ) |
---|
38 | { |
---|
39 | uint32_t seconds; |
---|
40 | uint32_t old_seconds; |
---|
41 | rtems_mode previous_mode; |
---|
42 | rtems_time_of_day time; |
---|
43 | rtems_status_code status; |
---|
44 | uint32_t start_time; |
---|
45 | uint32_t end_time; |
---|
46 | |
---|
47 | puts( "TA1 - rtems_task_suspend - on Task 2" ); |
---|
48 | status = rtems_task_suspend( Task_id[ 2 ] ); |
---|
49 | directive_failed( status, "rtems_task_suspend of TA2" ); |
---|
50 | |
---|
51 | puts( "TA1 - rtems_task_suspend - on Task 3" ); |
---|
52 | status = rtems_task_suspend( Task_id[ 3 ] ); |
---|
53 | directive_failed( status, "rtems_task_suspend of TA3" ); |
---|
54 | |
---|
55 | status = rtems_clock_get( RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH, &start_time ); |
---|
56 | directive_failed( status, "rtems_clock_get" ); |
---|
57 | |
---|
58 | puts( "TA1 - killing time" ); |
---|
59 | |
---|
60 | for ( ; ; ) { |
---|
61 | status = rtems_clock_get( RTEMS_CLOCK_GET_SECONDS_SINCE_EPOCH, &end_time ); |
---|
62 | directive_failed( status, "rtems_clock_get" ); |
---|
63 | |
---|
64 | if ( end_time > (start_time + 2) ) |
---|
65 | break; |
---|
66 | } |
---|
67 | |
---|
68 | puts( "TA1 - rtems_task_resume - on Task 2" ); |
---|
69 | status = rtems_task_resume( Task_id[ 2 ] ); |
---|
70 | directive_failed( status, "rtems_task_resume of TA2" ); |
---|
71 | |
---|
72 | puts( "TA1 - rtems_task_resume - on Task 3" ); |
---|
73 | status = rtems_task_resume( Task_id[ 3 ] ); |
---|
74 | directive_failed( status, "rtems_task_resume of TA3" ); |
---|
75 | |
---|
76 | while ( FOREVER ) { |
---|
77 | if ( Run_count[ 1 ] >= 3 ) { |
---|
78 | puts( "TA1 - rtems_task_mode - change mode to NO RTEMS_PREEMPT" ); |
---|
79 | |
---|
80 | status = rtems_task_mode( |
---|
81 | RTEMS_NO_PREEMPT, |
---|
82 | RTEMS_PREEMPT_MASK, |
---|
83 | &previous_mode |
---|
84 | ); |
---|
85 | directive_failed( status, "rtems_task_mode" ); |
---|
86 | |
---|
87 | status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time ); |
---|
88 | directive_failed( status, "rtems_clock_get" ); |
---|
89 | |
---|
90 | old_seconds = time.second; |
---|
91 | |
---|
92 | for ( seconds = 0 ; seconds < 6 ; ) { |
---|
93 | status = rtems_clock_get( RTEMS_CLOCK_GET_TOD, &time ); |
---|
94 | directive_failed( status, "rtems_clock_get" ); |
---|
95 | |
---|
96 | if ( time.second != old_seconds ) { |
---|
97 | old_seconds = time.second; |
---|
98 | seconds++; |
---|
99 | print_time( "TA1 - ", &time, "\n" ); |
---|
100 | } |
---|
101 | } |
---|
102 | |
---|
103 | puts( "TA1 - rtems_task_mode - change mode to RTEMS_PREEMPT" ); |
---|
104 | status = rtems_task_mode( |
---|
105 | RTEMS_PREEMPT, |
---|
106 | RTEMS_PREEMPT_MASK, |
---|
107 | &previous_mode |
---|
108 | ); |
---|
109 | directive_failed( status, "rtems_task_mode" ); |
---|
110 | |
---|
111 | while ( !testsFinished ); |
---|
112 | showTaskSwitches (); |
---|
113 | puts( "*** END OF TEST 4 ***" ); |
---|
114 | rtems_test_exit (0); |
---|
115 | } |
---|
116 | } |
---|
117 | } |
---|