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/*
* Copyright (c) 1997-1999 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit 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 GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
* this is an example of how to use timer interrupts
* it took me 10 minutes to write
*/
#include <oskit/dev/dev.h>
#include <oskit/c/stdio.h>
#include <oskit/c/setjmp.h>
#include <oskit/c/stdlib.h>
#include <oskit/clientos.h>
/* these things should be defined elsewhere, I think */
#define TIMER_FREQ 100
extern void osenv_timer_init();
/* we don't really need that longjmp */
static jmp_buf done;
void handler()
{
static count = 0, sec=0;
if (++count >= 100) {
count = 0;
if (++sec > 10)
longjmp(done, 1);
printf("%d second(s)\n", sec);
}
}
int main(int ac, char *av[])
{
oskit_clientos_init();
/* The clock code needs an osenv */
start_osenv();
/* initialize timers */
osenv_timer_init();
printf("Counting to ten\n");
/* register our handler */
osenv_timer_register(handler, TIMER_FREQ);
/* wait and exit */
if (! setjmp(done))
while (1)
continue;
printf("ALL DONE\n");
exit(0);
}
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