nes-proj/examples/libs/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"
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PROCESS(timer_process, "ETimer x Timer x STimer Process");
AUTOSTART_PROCESSES(&timer_process);
static int counter_etimer;
static int counter_timer;
static int counter_stimer;
static struct timer timer_timer;
static struct stimer timer_stimer;
static struct ctimer timer_ctimer;
static struct rtimer timer_rtimer;
/*---------------------------------------------------------------------------*/
void
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ctimer_callback(void *ptr)
{
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/* rearm the ctimer */
ctimer_reset(&timer_ctimer);
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printf("CTimer callback called\n");
}
/*---------------------------------------------------------------------------*/
void
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rtimer_callback(struct rtimer *timer, void *ptr)
{
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/* Normally avoid printing from rtimer - rather do a process poll */
printf("RTimer callback called\n");
/* Re-arm rtimer */
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rtimer_set(&timer_rtimer, RTIMER_NOW() + RTIMER_SECOND / 2, 0,
rtimer_callback, NULL);
}
/*---------------------------------------------------------------------------*/
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/*
* This Process will count timer expires on one e-timer (that drives the
* events to the process), one timer, and one stimer.
*
*/
PROCESS_THREAD(timer_process, ev, data)
{
static struct etimer timer_etimer;
PROCESS_BEGIN();
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ctimer_set(&timer_ctimer, CLOCK_SECOND, ctimer_callback, NULL);
rtimer_set(&timer_rtimer, RTIMER_NOW() + CLOCK_SECOND / 2, 0,
rtimer_callback, NULL);
while(1) {
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/* set all the timers */
timer_set(&timer_timer, 3 * CLOCK_SECOND);
stimer_set(&timer_stimer, 3);
etimer_set(&timer_etimer, 3 * CLOCK_SECOND);
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PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_TIMER);
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counter_etimer++;
if(timer_expired(&timer_timer)) {
counter_timer++;
}
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if(stimer_expired(&timer_stimer)) {
counter_stimer++;
}
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printf("Timer process: %s\n", counter_timer == counter_etimer
&& counter_timer == counter_stimer ? "SUCCESS" : "FAIL");
}
PROCESS_END();
}
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/*---------------------------------------------------------------------------*/