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/*
* Project: S.Ha.R.K.
*
* Coordinators:
* Giorgio Buttazzo <giorgio@sssup.it>
* Paolo Gai <pj@gandalf.sssup.it>
*
* Authors :
* Giacomo Guidi <giacomo@gandalf.sssup.ti>
*
* ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy)
*
* http://www.sssup.it
* http://retis.sssup.it
* http://shark.sssup.it
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "kernel/kern.h"
#include "modules/elastic.h"
extern unsigned int usleep(unsigned int usec); // include file?
TASK elastic_test(void *arg) {
int nbr = (int)arg;
while(1) {
cprintf("%d.", nbr);
task_endcycle();
}
}
int main(int argc, char **argv)
{
ELASTIC_TASK_MODEL e1, e2, e3, e4;
PID el_pid1, el_pid2, el_pid3, el_pid4;
struct timespec t;
cprintf("Elastic Task Demo (U=1.0 in initfile.c)\n");
cprintf("Creating elastic task with Tmin = 100000, Tmax = 500000, C = 30000, E = 1\n");
elastic_task_default_model(e1);
elastic_task_def_period(e1, 100000, 500000);
elastic_task_def_wcet(e1, 30000);
elastic_task_def_param(e1, 1, PERIOD_SCALING);
elastic_task_def_arg(e1, (void *)1);
el_pid1 = task_create("Elastic1",elastic_test,&e1,NULL);
if (el_pid1 == NIL) {
cprintf("ERROR: Cannot create Elastic1\n");
sys_end();
}
task_activate(el_pid1);
cprintf("\nCreating elastic task with Tmin = 200000, Tmax = 500000, C = 160000, E = 2\n");
elastic_task_default_model(e2);
elastic_task_def_period(e2, 200000, 500000);
elastic_task_def_wcet(e2, 160000);
elastic_task_def_param(e2, 2, PERIOD_SCALING);
elastic_task_def_arg(e2, (void *)2);
el_pid2 = task_create("Elastic2",elastic_test,&e2,NULL);
if (el_pid2 == NIL) {
cprintf("ERROR: Cannot create Elastic2\n");
sys_end();
}
task_activate(el_pid2);
usleep(500000);
ELASTIC_set_period(el_pid2, 210000);
/*
cprintf("\nCreating elastic task with Tmin = 300000, Tmax = 500000, C = 90000, E = 1\n");
elastic_task_default_model(e3);
elastic_task_def_period(e3, 300000, 500000);
elastic_task_def_wcet(e3, 90000);
elastic_task_def_param(e3, 1, PERIOD_SCALING);
elastic_task_def_arg(e3, (void *)3);
el_pid3 = task_create("Elastic3",elastic_test,&e3,NULL);
if (el_pid3 == NIL) {
cprintf("ERROR: Cannot create Elastic3\n");
sys_end();
}
task_activate(el_pid3);
cprintf("\nCreating elastic task with Tmin = 50000, Tmax = 500000, C = 24000, E = 0\n");
elastic_task_default_model(e4);
elastic_task_def_period(e4, 50000, 500000);
elastic_task_def_wcet(e4, 24000);
elastic_task_def_param(e4, 0, PERIOD_SCALING);
elastic_task_def_arg(e4, (void *)4);
el_pid4 = task_create("Elastic4",elastic_test,&e4,NULL);
if (el_pid4 == NIL) {
cprintf("ERROR: Cannot create Elastic4\n");
sys_end();
}
task_activate(el_pid4);
*/
/* Exit at time t = 1.0 */
t.tv_sec = 1;
t.tv_nsec = 0;
kern_event_post(&t, (void(*)(void*))sys_end, NULL);
while(1);
return 0;
}