Subversion Repositories shark

Rev

Rev 1630 | Rev 1639 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1627 giacomo 1
/*
2
 * Project: S.Ha.R.K.
3
 *
4
 * Coordinators:
5
 *   Giorgio Buttazzo    <giorgio@sssup.it>
6
 *   Paolo Gai           <pj@gandalf.sssup.it>
7
 *
8
 * Authors     :
9
 *   Giacomo Guidi       <giacomo@gandalf.sssup.ti>
10
 *
11
 * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
12
 *
13
 * http://www.sssup.it
14
 * http://retis.sssup.it
15
 * http://shark.sssup.it
16
 */
17
 
18
/*
19
 * This program is free software; you can redistribute it and/or modify
20
 * it under the terms of the GNU General Public License as published by
21
 * the Free Software Foundation; either version 2 of the License, or
22
 * (at your option) any later version.
23
 *
24
 * This program is distributed in the hope that it will be useful,
25
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
26
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
27
 * GNU General Public License for more details.
28
 *
29
 * You should have received a copy of the GNU General Public License
30
 * along with this program; if not, write to the Free Software
31
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
32
 */
33
 
34
#include "kernel/kern.h"
1631 anton 35
#include "modules/elastic.h"
1627 giacomo 36
 
1631 anton 37
extern unsigned int usleep(unsigned int usec); // include file?
38
 
1627 giacomo 39
TASK elastic_test(void *arg) {
40
 
1629 anton 41
  int nbr = (int)arg;
42
 
1627 giacomo 43
  while(1) {
1629 anton 44
    cprintf("%d.", nbr);
1627 giacomo 45
    task_endcycle();
46
  }
47
}
48
 
49
int main(int argc, char **argv)
50
{
1630 anton 51
  ELASTIC_TASK_MODEL e1, e2, e3, e4;
52
  PID el_pid1, el_pid2, el_pid3, el_pid4;
1631 anton 53
  struct timespec t;
1627 giacomo 54
 
1630 anton 55
  cprintf("Elastic Task Demo (U=1.0 in initfile.c)\n");
1627 giacomo 56
 
1630 anton 57
  cprintf("Creating elastic task with Tmin = 100000, Tmax = 500000, C = 30000, E = 1\n");
1629 anton 58
  elastic_task_default_model(e1);
1630 anton 59
  elastic_task_def_period(e1, 100000, 500000);
60
  elastic_task_def_wcet(e1, 30000);
61
  elastic_task_def_param(e1, 1, PERIOD_SCALING);
1629 anton 62
  elastic_task_def_arg(e1, (void *)1);
63
  el_pid1 = task_create("Elastic1",elastic_test,&e1,NULL);
64
  if (el_pid1 == NIL) {
65
    cprintf("ERROR: Cannot create Elastic1\n");
1627 giacomo 66
    sys_end();
67
  }
1631 anton 68
 
1629 anton 69
  task_activate(el_pid1);
1627 giacomo 70
 
1631 anton 71
  cprintf("\nCreating elastic task with Tmin = 200000, Tmax = 500000, C = 160000, E = 2\n");
1629 anton 72
  elastic_task_default_model(e2);
1630 anton 73
  elastic_task_def_period(e2, 200000, 500000);
1631 anton 74
  elastic_task_def_wcet(e2, 160000);
75
  elastic_task_def_param(e2, 2, PERIOD_SCALING);
1629 anton 76
  elastic_task_def_arg(e2, (void *)2);
77
  el_pid2 = task_create("Elastic2",elastic_test,&e2,NULL);
78
  if (el_pid2 == NIL) {
79
    cprintf("ERROR: Cannot create Elastic2\n");
80
    sys_end();
81
  }
1631 anton 82
 
1629 anton 83
  task_activate(el_pid2);
1627 giacomo 84
 
1631 anton 85
  usleep(500000);
86
 
87
  ELASTIC_set_period(el_pid2, 210000);
88
 
89
 
90
  /*
1630 anton 91
  cprintf("\nCreating elastic task with Tmin = 300000, Tmax = 500000, C = 90000, E = 1\n");
1629 anton 92
  elastic_task_default_model(e3);
1630 anton 93
  elastic_task_def_period(e3, 300000, 500000);
94
  elastic_task_def_wcet(e3, 90000);
1629 anton 95
  elastic_task_def_param(e3, 1, PERIOD_SCALING);
96
  elastic_task_def_arg(e3, (void *)3);
97
  el_pid3 = task_create("Elastic3",elastic_test,&e3,NULL);
98
  if (el_pid3 == NIL) {
99
    cprintf("ERROR: Cannot create Elastic3\n");
100
    sys_end();
101
  }
102
  task_activate(el_pid3);
1628 giacomo 103
 
1630 anton 104
  cprintf("\nCreating elastic task with Tmin = 50000, Tmax = 500000, C = 24000, E = 0\n");
105
  elastic_task_default_model(e4);
106
  elastic_task_def_period(e4, 50000, 500000);
107
  elastic_task_def_wcet(e4, 24000);
108
  elastic_task_def_param(e4, 0, PERIOD_SCALING);
109
  elastic_task_def_arg(e4, (void *)4);
110
  el_pid4 = task_create("Elastic4",elastic_test,&e4,NULL);
111
  if (el_pid4 == NIL) {
112
    cprintf("ERROR: Cannot create Elastic4\n");
113
    sys_end();
114
  }
115
  task_activate(el_pid4);
1631 anton 116
  */
1629 anton 117
 
1631 anton 118
  /* Exit at time t = 1.0 */
119
  t.tv_sec = 1;
1629 anton 120
  t.tv_nsec = 0;
121
  kern_event_post(&t, (void(*)(void*))sys_end, NULL);
122
  while(1);
1627 giacomo 123
  return 0;
124
 
125
}