void task(void *arg)
{
int err = 0;
rt_printf("Task started. This is computer 1\n");
if(run == 0) err = rt_task_set_periodic(NULL, TM_NOW, PERIOD);
if(err != 0) rt_printf("scheduling task filed with err %d: %s\n", err), strerror(-err);
outb(inb(0x378) | 0x01, 0x378); //set D0 HIGH
while(run<NUMRUNS){
RTIME s = rt_timer_read();
//set D0 LOW and HIGH again
outb(inb(0x378) & 0xfe, 0x378);
outb(inb(0x378) | 0x01, 0x378);
//wait for respons:
rt_intr_wait(&keypress, TM_INFINITE);
diffs[run] = rt_timer_read() - s;
run++;
rt_task_wait_period(NULL);
}
rt_printf("Done listening, saving to file\n");
write_RTIMES(FILEO, NUMRUNS, diffs);
rt_printf("Done\n");
}
//startup code
void startup()
{
//begin task
rt_printf("Creating timertask...\n");
rt_task_create(&timertask,"timertask",0,50,T_JOINABLE);
rt_printf("Setting period...\n");
rt_task_set_periodic(&timertask,TM_NOW,PERIOD);
rt_task_start(&timertask,&timer,NULL);
/* debug code
int i;
for(i = 0;i<MEASUREMENTS;i++)
{
rt_printf("%d\t%u\n",i,exec_times[i]);
}
*/
rt_task_join(&timertask);
compute_differences();
write_RTIMES("time_diff.csv",MEASUREMENTS-1,exec_diff);
}
