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