nes-proj/examples/timers/all-timers.c

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/*
* Copyright (C) 2015, Intel Corporation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdio.h>
#include "contiki.h"
#include "sys/etimer.h"
#include "sys/stimer.h"
#include "sys/timer.h"
#include "sys/rtimer.h"
PROCESS(process1, "ETimer x Timer x STimer Process");
PROCESS(process2, "CTimer Process 2");
PROCESS(process3, "RTimer Process 3");
AUTOSTART_PROCESSES(&process1, &process2, &process3);
static int counter_etimer;
static int counter_timer;
static int counter_stimer;
static int counter_ctimer;
static int counter_rtimer;
static struct timer timer_timer;
static struct stimer timer_stimer;
static struct ctimer timer_ctimer;
static struct rtimer timer_rtimer;
static rtimer_clock_t timeout_rtimer = RTIMER_SECOND / 2;
void
do_timeout1()
{
counter_etimer++;
if(timer_expired(&timer_timer)) {
counter_timer++;
}
if(stimer_expired(&timer_stimer)) {
counter_stimer++;
}
printf("\nProcess 1: %s", counter_timer == counter_etimer
&& counter_timer == counter_stimer ? "SUCCESS" : "FAIL");
}
/*---------------------------------------------------------------------------*/
void
do_timeout2()
{
ctimer_reset(&timer_ctimer);
printf("\nProcess 2: CTimer callback called");
counter_ctimer++;
}
/*---------------------------------------------------------------------------*/
void
do_timeout3(struct rtimer *timer, void *ptr)
{
counter_rtimer++;
printf("\nProcess 3: RTimer callback called");
/* Re-arm rtimer */
rtimer_set(&timer_rtimer, RTIMER_NOW() + timeout_rtimer, 0, do_timeout3,
NULL);
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(process1, ev, data)
{
static struct etimer timer_etimer;
PROCESS_BEGIN();
while(1) {
timer_set(&timer_timer, 3 * CLOCK_SECOND);
stimer_set(&timer_stimer, 3);
etimer_set(&timer_etimer, 3 * CLOCK_SECOND);
PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_TIMER);
do_timeout1();
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(process2, ev, data)
{
PROCESS_BEGIN();
while(1) {
ctimer_set(&timer_ctimer, 5 * CLOCK_SECOND, do_timeout2, NULL);
PROCESS_YIELD();
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(process3, ev, data)
{
PROCESS_BEGIN();
while(1) {
rtimer_set(&timer_rtimer, RTIMER_NOW() + timeout_rtimer, 0,
do_timeout3, NULL);
PROCESS_YIELD();
}
PROCESS_END();
}