contiki/core/sys/timetable.h

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/*
* Copyright (c) 2008, 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.
*
*/
/**
* \file
* A brief description of what this file is.
* \author
* Adam Dunkels <adam@sics.se>
*/
#ifndef __TIMETABLE_H__
#define __TIMETABLE_H__
#include "sys/cc.h"
#include "sys/rtimer.h"
struct timetable_timestamp {
const char *id;
rtimer_clock_t time;
#if TIMETABLE_WITH_TYPE
uint8_t type;
#endif /* TIMETABLE_WITH_TYPE */
};
struct timetable {
struct timetable_timestamp *timestamps;
const int size;
unsigned int * const ptr;
};
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#define TIMETABLE_NONSTATIC(name) \
struct timetable_timestamp CC_CONCAT(name,_timestamps)[CC_CONCAT(name,_size)]; \
unsigned int CC_CONCAT(name,_ptr); \
struct timetable name = { \
CC_CONCAT(name,_timestamps), \
CC_CONCAT(name,_size), \
&CC_CONCAT(name,_ptr)}
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#define TIMETABLE_STATIC(name) \
static struct timetable_timestamp CC_CONCAT(name,_timestamps)[CC_CONCAT(name,_size)]; \
static unsigned int CC_CONCAT(name,_ptr); \
static struct timetable name = { \
CC_CONCAT(name,_timestamps), \
CC_CONCAT(name,_size), \
&CC_CONCAT(name,_ptr)}
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#define TIMETABLE_DECLARE(name) \
extern unsigned int CC_CONCAT(name,_ptr); \
extern struct timetable_timestamp CC_CONCAT(name, _timestamps)[CC_CONCAT(name,_size)]; \
extern struct timetable name
#define TIMETABLE(name) TIMETABLE_STATIC(name)
#define TIMETABLE_TIMESTAMP(name, str) \
do { \
CC_CONCAT(name,_timestamps)[CC_CONCAT(name,_ptr)].id = str; \
CC_CONCAT(name,_timestamps)[CC_CONCAT(name,_ptr)].time = RTIMER_NOW(); \
CC_CONCAT(name,_ptr) = (CC_CONCAT(name,_ptr) + 1) % \
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CC_CONCAT(name,_size); \
} while(0)
#if TIMETABLE_WITH_TYPE
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#define TIMETABLE_TIMESTAMP_TYPE(name, str, t) \
do { \
CC_CONCAT(name,_timestamps)[CC_CONCAT(name,_ptr)].id = str; \
CC_CONCAT(name,_timestamps)[CC_CONCAT(name,_ptr)].type = t; \
CC_CONCAT(name,_timestamps)[CC_CONCAT(name,_ptr)].time = RTIMER_NOW(); \
CC_CONCAT(name,_ptr) = (CC_CONCAT(name,_ptr) + 1) % \
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CC_CONCAT(name,_size); \
} while(0)
#else /* TIMETABLE_WITH_TYPE */
#define TIMETABLE_TIMESTAMP_TYPE(name, str, t) TIMETABLE_TIMESTAMP(name, str)
#endif /* TIMETABLE_WITH_TYPE */
#define TIMETABLE_RESUME(name,num) \
TIMETABLE_TIMESTAMP(CC_CONCAT(name,_timestamps[num].id))
#define TIMETABLE_COND_TIMESTAMP(cond,name,id) \
do { if(cond) { \
TIMETABLE_TIMESTAMP(id); \
} while(0)
#define TIMETABLE_COND_RESUME(cond,name,num) \
TIMETABLE_COND_TIMESTAMP(cond,name, \
CC_CONCAT(name,_timestamps[num].id))
#define TIMETABLE_ENTRY(name, num) CC_CONCAT(name,_timestamps)[num]
#define TIMETABLE_PTR(name) CC_CONCAT(name,_ptr)
/**
* The time for taking a timestamp.
*/
extern rtimer_clock_t timetable_timestamp_time;
struct timetable_timestamp *timetable_entry(struct timetable *t,
int num);
int timetable_ptr(struct timetable *t);
void timetable_clear(struct timetable *t);
rtimer_clock_t timetable_timediff(struct timetable *t,
const char *id1, const char *id2);
void timetable_init(void);
void timetable_print(struct timetable *t);
#include "sys/timetable-aggregate.h"
#endif /* __TIMETABLE_H__ */