mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-11-08 23:08:29 +00:00
111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/*
|
|
* Copyright (c) 2010, Swedish Institute of Computer Science.
|
|
* 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 Institute 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 INSTITUTE 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 INSTITUTE 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.
|
|
*
|
|
* This file is part of the Contiki operating system.
|
|
*
|
|
*/
|
|
|
|
#include <signal.h>
|
|
#include <sys/time.h>
|
|
#include <stddef.h>
|
|
|
|
#include "sys/rtimer.h"
|
|
#include "sys/clock.h"
|
|
#include "sys/cooja_mt.h"
|
|
|
|
#include "lib/simEnvChange.h"
|
|
|
|
#define DEBUG 0
|
|
#if DEBUG
|
|
#include <stdio.h>
|
|
#define PRINTF(...) printf(__VA_ARGS__)
|
|
#else
|
|
#define PRINTF(...)
|
|
#endif
|
|
|
|
extern clock_time_t simCurrentTime;
|
|
|
|
static int pending_rtimer = 0;
|
|
static rtimer_clock_t next_rtimer = 0;
|
|
static clock_time_t last_rtimer_now = 0;
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
rtimer_arch_init(void)
|
|
{
|
|
next_rtimer = 0;
|
|
last_rtimer_now = 0;
|
|
pending_rtimer = 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
rtimer_arch_schedule(rtimer_clock_t t)
|
|
{
|
|
next_rtimer = t;
|
|
pending_rtimer = 1;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
rtimer_clock_t
|
|
rtimer_arch_next(void)
|
|
{
|
|
return next_rtimer;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
rtimer_arch_pending(void)
|
|
{
|
|
return pending_rtimer;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
int
|
|
rtimer_arch_check(void)
|
|
{
|
|
if (simCurrentTime == next_rtimer) {
|
|
/* Execute rtimer */
|
|
pending_rtimer = 0;
|
|
rtimer_run_next();
|
|
return 1;
|
|
}
|
|
return 0;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
rtimer_clock_t
|
|
rtimer_arch_now(void)
|
|
{
|
|
if(last_rtimer_now == simCurrentTime) {
|
|
/* Yield to COOJA, to allow time to change */
|
|
simProcessRunValue = 1;
|
|
simNextExpirationTime = simCurrentTime + 1;
|
|
cooja_mt_yield();
|
|
}
|
|
last_rtimer_now = simCurrentTime;
|
|
return simCurrentTime;
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
|