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94 lines
3.2 KiB
C
94 lines
3.2 KiB
C
/*
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* Copyright (c) 2010, Swedish Institute of Computer Science.
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* 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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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* Common functionality for phase optimization in duty cycling radio protocols
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#ifndef PHASE_H
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#define PHASE_H
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#include "net/rime/rimeaddr.h"
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#include "sys/timer.h"
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#include "sys/rtimer.h"
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#include "lib/list.h"
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#include "lib/memb.h"
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#include "net/netstack.h"
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#if PHASE_CONF_DRIFT_CORRECT
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#define PHASE_DRIFT_CORRECT PHASE_CONF_DRIFT_CORRECT
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#else
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#define PHASE_DRIFT_CORRECT 0
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#endif
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struct phase {
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struct phase *next;
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rimeaddr_t neighbor;
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rtimer_clock_t time;
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#if PHASE_DRIFT_CORRECT
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rtimer_clock_t drift;
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#endif
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uint8_t noacks;
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struct timer noacks_timer;
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};
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struct phase_list {
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list_t *list;
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struct memb *memb;
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};
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typedef enum {
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PHASE_UNKNOWN,
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PHASE_SEND_NOW,
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PHASE_DEFERRED,
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} phase_status_t;
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#define PHASE_LIST(name, num) LIST(phase_list_list); \
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MEMB(phase_list_memb, struct phase, num); \
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struct phase_list name = { &phase_list_list, &phase_list_memb }
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void phase_init(struct phase_list *list);
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phase_status_t phase_wait(struct phase_list *list, const rimeaddr_t *neighbor,
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rtimer_clock_t cycle_time, rtimer_clock_t wait_before,
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mac_callback_t mac_callback, void *mac_callback_ptr,
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struct rdc_buf_list *buf_list);
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void phase_update(const struct phase_list *list, const rimeaddr_t *neighbor,
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rtimer_clock_t time, int mac_status);
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void phase_remove(const struct phase_list *list, const rimeaddr_t *neighbor);
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#endif /* PHASE_H */
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