442 lines
15 KiB
C
442 lines
15 KiB
C
/*
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* Copyright (c) 2015, SICS Swedish ICT.
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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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* \addtogroup tsch
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* @{
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* \file
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* TSCH configuration
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* \author
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* Simon Duquennoy <simonduq@sics.se>
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*/
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#ifndef __TSCH_CONF_H__
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#define __TSCH_CONF_H__
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/********** Includes **********/
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#include "contiki.h"
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/******** Configuration: synchronization *******/
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/* Max time before sending a unicast keep-alive message to the time source */
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#ifdef TSCH_CONF_KEEPALIVE_TIMEOUT
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#define TSCH_KEEPALIVE_TIMEOUT TSCH_CONF_KEEPALIVE_TIMEOUT
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#else
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/* Time to desynch assuming a drift of 40 PPM (80 PPM between two nodes) and guard time of +/-1ms: 12.5s. */
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#define TSCH_KEEPALIVE_TIMEOUT (12 * CLOCK_SECOND)
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#endif
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/* With TSCH_ADAPTIVE_TIMESYNC enabled: keep-alive timeout used after reaching
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* accurate drift compensation. */
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#ifdef TSCH_CONF_MAX_KEEPALIVE_TIMEOUT
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#define TSCH_MAX_KEEPALIVE_TIMEOUT TSCH_CONF_MAX_KEEPALIVE_TIMEOUT
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#else
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#define TSCH_MAX_KEEPALIVE_TIMEOUT (60 * CLOCK_SECOND)
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#endif
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/* Max time without synchronization before leaving the PAN */
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#ifdef TSCH_CONF_DESYNC_THRESHOLD
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#define TSCH_DESYNC_THRESHOLD TSCH_CONF_DESYNC_THRESHOLD
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#else
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#define TSCH_DESYNC_THRESHOLD (2 * TSCH_MAX_KEEPALIVE_TIMEOUT)
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#endif
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/* Period between two consecutive EBs */
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#ifdef TSCH_CONF_EB_PERIOD
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#define TSCH_EB_PERIOD TSCH_CONF_EB_PERIOD
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#else
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#define TSCH_EB_PERIOD (16 * CLOCK_SECOND)
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#endif
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/* Max Period between two consecutive EBs */
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#ifdef TSCH_CONF_MAX_EB_PERIOD
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#define TSCH_MAX_EB_PERIOD TSCH_CONF_MAX_EB_PERIOD
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#else
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#define TSCH_MAX_EB_PERIOD (16 * CLOCK_SECOND)
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#endif
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/* Use SFD timestamp for synchronization? By default we merely rely on rtimer and busy wait
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* until SFD is high, which we found to provide greater accuracy on JN516x and CC2420.
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* Note: for association, however, we always use SFD timestamp to know the time of arrival
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* of the EB (because we do not busy-wait for the whole scanning process)
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* */
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#ifdef TSCH_CONF_RESYNC_WITH_SFD_TIMESTAMPS
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#define TSCH_RESYNC_WITH_SFD_TIMESTAMPS TSCH_CONF_RESYNC_WITH_SFD_TIMESTAMPS
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#else
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#define TSCH_RESYNC_WITH_SFD_TIMESTAMPS 0
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#endif
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/* If enabled, remove jitter due to measurement errors */
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#ifdef TSCH_CONF_TIMESYNC_REMOVE_JITTER
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#define TSCH_TIMESYNC_REMOVE_JITTER TSCH_CONF_TIMESYNC_REMOVE_JITTER
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#else
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#define TSCH_TIMESYNC_REMOVE_JITTER TSCH_RESYNC_WITH_SFD_TIMESTAMPS
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#endif
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/* Base drift value.
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* Used to compensate locally know inaccuracies, such as
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* the effect of having a binary 32.768 kHz timer as the TSCH time base. */
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#ifdef TSCH_CONF_BASE_DRIFT_PPM
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#define TSCH_BASE_DRIFT_PPM TSCH_CONF_BASE_DRIFT_PPM
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#else
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#define TSCH_BASE_DRIFT_PPM 0
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#endif
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/* Estimate the drift of the time-source neighbor and compensate for it? */
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#ifdef TSCH_CONF_ADAPTIVE_TIMESYNC
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#define TSCH_ADAPTIVE_TIMESYNC TSCH_CONF_ADAPTIVE_TIMESYNC
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#else
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#define TSCH_ADAPTIVE_TIMESYNC 1
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#endif
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/* An ad-hoc mechanism to have TSCH select its time source without the
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* help of an upper-layer, simply by collecting statistics on received
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* EBs and their join priority. Disabled by default as we recomment
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* mapping the time source on the RPL preferred parent
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* (via tsch_rpl_callback_parent_switch) */
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#ifdef TSCH_CONF_AUTOSELECT_TIME_SOURCE
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#define TSCH_AUTOSELECT_TIME_SOURCE TSCH_CONF_AUTOSELECT_TIME_SOURCE
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#else
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#define TSCH_AUTOSELECT_TIME_SOURCE 0
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#endif /* TSCH_CONF_EB_AUTOSELECT */
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/******** Configuration: channel hopping *******/
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/* Default hopping sequence, used in case hopping sequence ID == 0 */
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#ifdef TSCH_CONF_DEFAULT_HOPPING_SEQUENCE
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#define TSCH_DEFAULT_HOPPING_SEQUENCE TSCH_CONF_DEFAULT_HOPPING_SEQUENCE
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#else
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#define TSCH_DEFAULT_HOPPING_SEQUENCE TSCH_HOPPING_SEQUENCE_4_4
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#endif
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/* Hopping sequence used for joining (scan channels) */
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#ifdef TSCH_CONF_JOIN_HOPPING_SEQUENCE
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#define TSCH_JOIN_HOPPING_SEQUENCE TSCH_CONF_JOIN_HOPPING_SEQUENCE
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#else
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#define TSCH_JOIN_HOPPING_SEQUENCE TSCH_DEFAULT_HOPPING_SEQUENCE
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#endif
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/* Maximum length of the TSCH channel hopping sequence. Must be greater or
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* equal to the length of TSCH_DEFAULT_HOPPING_SEQUENCE. */
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#ifdef TSCH_CONF_HOPPING_SEQUENCE_MAX_LEN
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#define TSCH_HOPPING_SEQUENCE_MAX_LEN TSCH_CONF_HOPPING_SEQUENCE_MAX_LEN
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#else
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#define TSCH_HOPPING_SEQUENCE_MAX_LEN sizeof(TSCH_DEFAULT_HOPPING_SEQUENCE)
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#endif
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/******** Configuration: association *******/
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/* Start TSCH automatically after init? If not, the upper layers
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* must call NETSTACK_MAC.on() to start it. Useful when the
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* application needs to control when the nodes are to start
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* scanning or advertising.*/
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#ifdef TSCH_CONF_AUTOSTART
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#define TSCH_AUTOSTART TSCH_CONF_AUTOSTART
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#else
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#define TSCH_AUTOSTART 1
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#endif
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/* Max acceptable join priority */
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#ifdef TSCH_CONF_MAX_JOIN_PRIORITY
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#define TSCH_MAX_JOIN_PRIORITY TSCH_CONF_MAX_JOIN_PRIORITY
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#else
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#define TSCH_MAX_JOIN_PRIORITY 32
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#endif
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/* Join only secured networks? (discard EBs with security disabled) */
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#ifdef TSCH_CONF_JOIN_SECURED_ONLY
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#define TSCH_JOIN_SECURED_ONLY TSCH_CONF_JOIN_SECURED_ONLY
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#else
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/* By default, set if LLSEC802154_ENABLED is also non-zero */
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#define TSCH_JOIN_SECURED_ONLY LLSEC802154_ENABLED
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#endif
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/* By default, join any PAN ID. Otherwise, wait for an EB from IEEE802154_PANID */
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#ifdef TSCH_CONF_JOIN_MY_PANID_ONLY
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#define TSCH_JOIN_MY_PANID_ONLY TSCH_CONF_JOIN_MY_PANID_ONLY
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#else
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#define TSCH_JOIN_MY_PANID_ONLY 1
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#endif
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/* The radio polling frequency (in Hz) during association process */
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#ifdef TSCH_CONF_ASSOCIATION_POLL_FREQUENCY
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#define TSCH_ASSOCIATION_POLL_FREQUENCY TSCH_CONF_ASSOCIATION_POLL_FREQUENCY
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#else
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#define TSCH_ASSOCIATION_POLL_FREQUENCY 100
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#endif
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/* When associating, check ASN against our own uptime (time in minutes)..
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* Useful to force joining only with nodes started roughly at the same time.
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* Set to the max number of minutes acceptable. */
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#ifdef TSCH_CONF_CHECK_TIME_AT_ASSOCIATION
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#define TSCH_CHECK_TIME_AT_ASSOCIATION TSCH_CONF_CHECK_TIME_AT_ASSOCIATION
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#else
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#define TSCH_CHECK_TIME_AT_ASSOCIATION 0
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#endif
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/* By default: initialize schedule from EB when associating, using the
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* slotframe and links Information Element */
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#ifdef TSCH_CONF_INIT_SCHEDULE_FROM_EB
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#define TSCH_INIT_SCHEDULE_FROM_EB TSCH_CONF_INIT_SCHEDULE_FROM_EB
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#else
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#define TSCH_INIT_SCHEDULE_FROM_EB 1
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#endif
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/* How long to scan each channel in the scanning phase */
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#ifdef TSCH_CONF_CHANNEL_SCAN_DURATION
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#define TSCH_CHANNEL_SCAN_DURATION TSCH_CONF_CHANNEL_SCAN_DURATION
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#else
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#define TSCH_CHANNEL_SCAN_DURATION CLOCK_SECOND
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#endif
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/* TSCH EB: include timeslot timing Information Element? */
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#ifdef TSCH_PACKET_CONF_EB_WITH_TIMESLOT_TIMING
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#define TSCH_PACKET_EB_WITH_TIMESLOT_TIMING TSCH_PACKET_CONF_EB_WITH_TIMESLOT_TIMING
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#else
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#define TSCH_PACKET_EB_WITH_TIMESLOT_TIMING 0
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#endif
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/* TSCH EB: include hopping sequence Information Element? */
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#ifdef TSCH_PACKET_CONF_EB_WITH_HOPPING_SEQUENCE
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#define TSCH_PACKET_EB_WITH_HOPPING_SEQUENCE TSCH_PACKET_CONF_EB_WITH_HOPPING_SEQUENCE
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#else
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#define TSCH_PACKET_EB_WITH_HOPPING_SEQUENCE 0
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#endif
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/* TSCH EB: include slotframe and link Information Element? */
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#ifdef TSCH_PACKET_CONF_EB_WITH_SLOTFRAME_AND_LINK
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#define TSCH_PACKET_EB_WITH_SLOTFRAME_AND_LINK TSCH_PACKET_CONF_EB_WITH_SLOTFRAME_AND_LINK
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#else
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#define TSCH_PACKET_EB_WITH_SLOTFRAME_AND_LINK 0
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#endif
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/******** Configuration: queues *******/
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/* Size of the ring buffer storing dequeued outgoing packets (only an array of pointers).
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* Must be power of two, and greater or equal to QUEUEBUF_NUM */
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#ifdef TSCH_CONF_DEQUEUED_ARRAY_SIZE
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#define TSCH_DEQUEUED_ARRAY_SIZE TSCH_CONF_DEQUEUED_ARRAY_SIZE
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#else
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/* By default, round QUEUEBUF_CONF_NUM to next power of two
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* (in the range [4;256]) */
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#if QUEUEBUF_CONF_NUM <= 4
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#define TSCH_DEQUEUED_ARRAY_SIZE 4
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#elif QUEUEBUF_CONF_NUM <= 8
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#define TSCH_DEQUEUED_ARRAY_SIZE 8
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#elif QUEUEBUF_CONF_NUM <= 16
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#define TSCH_DEQUEUED_ARRAY_SIZE 16
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#elif QUEUEBUF_CONF_NUM <= 32
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#define TSCH_DEQUEUED_ARRAY_SIZE 32
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#elif QUEUEBUF_CONF_NUM <= 64
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#define TSCH_DEQUEUED_ARRAY_SIZE 64
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#elif QUEUEBUF_CONF_NUM <= 128
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#define TSCH_DEQUEUED_ARRAY_SIZE 128
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#else
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#define TSCH_DEQUEUED_ARRAY_SIZE 256
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#endif
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#endif
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/* Size of the ring buffer storing incoming packets.
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* Must be power of two */
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#ifdef TSCH_CONF_MAX_INCOMING_PACKETS
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#define TSCH_MAX_INCOMING_PACKETS TSCH_CONF_MAX_INCOMING_PACKETS
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#else
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#define TSCH_MAX_INCOMING_PACKETS 4
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#endif
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/* The maximum number of outgoing packets towards each neighbor
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* Must be power of two to enable atomic ringbuf operations.
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* Note: the total number of outgoing packets in the system (for
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* all neighbors) is defined via QUEUEBUF_CONF_NUM */
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#ifdef TSCH_QUEUE_CONF_NUM_PER_NEIGHBOR
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#define TSCH_QUEUE_NUM_PER_NEIGHBOR TSCH_QUEUE_CONF_NUM_PER_NEIGHBOR
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#else
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/* By default, round QUEUEBUF_CONF_NUM to next power of two
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* (in the range [4;256]) */
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#if QUEUEBUF_CONF_NUM <= 4
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#define TSCH_QUEUE_NUM_PER_NEIGHBOR 4
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#elif QUEUEBUF_CONF_NUM <= 8
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#define TSCH_QUEUE_NUM_PER_NEIGHBOR 8
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#elif QUEUEBUF_CONF_NUM <= 16
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#define TSCH_QUEUE_NUM_PER_NEIGHBOR 16
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#elif QUEUEBUF_CONF_NUM <= 32
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#define TSCH_QUEUE_NUM_PER_NEIGHBOR 32
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#elif QUEUEBUF_CONF_NUM <= 64
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#define TSCH_QUEUE_NUM_PER_NEIGHBOR 64
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#elif QUEUEBUF_CONF_NUM <= 128
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#define TSCH_QUEUE_NUM_PER_NEIGHBOR 128
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#else
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#define TSCH_QUEUE_NUM_PER_NEIGHBOR 256
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#endif
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#endif
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/* The number of neighbor queues. There are two queues allocated at all times:
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* one for EBs, one for broadcasts. Other queues are for unicast to neighbors */
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#ifdef TSCH_QUEUE_CONF_MAX_NEIGHBOR_QUEUES
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#define TSCH_QUEUE_MAX_NEIGHBOR_QUEUES TSCH_QUEUE_CONF_MAX_NEIGHBOR_QUEUES
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#else
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#define TSCH_QUEUE_MAX_NEIGHBOR_QUEUES ((NBR_TABLE_CONF_MAX_NEIGHBORS) + 2)
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#endif
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/******** Configuration: scheduling *******/
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/* Initializes TSCH with a 6TiSCH minimal schedule */
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#ifdef TSCH_SCHEDULE_CONF_WITH_6TISCH_MINIMAL
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#define TSCH_SCHEDULE_WITH_6TISCH_MINIMAL TSCH_SCHEDULE_CONF_WITH_6TISCH_MINIMAL
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#else
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#define TSCH_SCHEDULE_WITH_6TISCH_MINIMAL (!(BUILD_WITH_ORCHESTRA))
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#endif
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/* Set an upper bound on burst length. Set to 0 to never set the frame pending
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* bit, i.e., never trigger a burst. Note that receiver-side support for burst
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* is always enabled, as it is part of IEEE 802.1.5.4-2015 (Section 7.2.1.3)*/
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#ifdef TSCH_CONF_BURST_MAX_LEN
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#define TSCH_BURST_MAX_LEN TSCH_CONF_BURST_MAX_LEN
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#else
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#define TSCH_BURST_MAX_LEN 32
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#endif
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/* 6TiSCH Minimal schedule slotframe length */
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#ifdef TSCH_SCHEDULE_CONF_DEFAULT_LENGTH
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#define TSCH_SCHEDULE_DEFAULT_LENGTH TSCH_SCHEDULE_CONF_DEFAULT_LENGTH
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#else
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#define TSCH_SCHEDULE_DEFAULT_LENGTH 7
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#endif
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/* Max number of TSCH slotframes */
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#ifdef TSCH_SCHEDULE_CONF_MAX_SLOTFRAMES
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#define TSCH_SCHEDULE_MAX_SLOTFRAMES TSCH_SCHEDULE_CONF_MAX_SLOTFRAMES
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#else
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#define TSCH_SCHEDULE_MAX_SLOTFRAMES 4
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#endif
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/* Max number of links */
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#ifdef TSCH_SCHEDULE_CONF_MAX_LINKS
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#define TSCH_SCHEDULE_MAX_LINKS TSCH_SCHEDULE_CONF_MAX_LINKS
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#else
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#define TSCH_SCHEDULE_MAX_LINKS 32
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#endif
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/* To include Sixtop Implementation */
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#ifdef TSCH_CONF_WITH_SIXTOP
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#define TSCH_WITH_SIXTOP TSCH_CONF_WITH_SIXTOP
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#else
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#define TSCH_WITH_SIXTOP 0
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#endif
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/* A custom feature allowing upper layers to assign packets to
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* a specific slotframe and link */
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#ifdef TSCH_CONF_WITH_LINK_SELECTOR
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#define TSCH_WITH_LINK_SELECTOR TSCH_CONF_WITH_LINK_SELECTOR
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#else /* TSCH_CONF_WITH_LINK_SELECTOR */
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#define TSCH_WITH_LINK_SELECTOR (BUILD_WITH_ORCHESTRA)
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#endif /* TSCH_CONF_WITH_LINK_SELECTOR */
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/******** Configuration: CSMA *******/
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/* TSCH CSMA-CA parameters, see IEEE 802.15.4e-2012 */
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/* Min backoff exponent */
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#ifdef TSCH_CONF_MAC_MIN_BE
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#define TSCH_MAC_MIN_BE TSCH_CONF_MAC_MIN_BE
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#else
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#define TSCH_MAC_MIN_BE 1
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#endif
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/* Max backoff exponent */
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#ifdef TSCH_CONF_MAC_MAX_BE
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#define TSCH_MAC_MAX_BE TSCH_CONF_MAC_MAX_BE
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#else
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#define TSCH_MAC_MAX_BE 5
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#endif
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/* Max number of re-transmissions */
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#ifdef TSCH_CONF_MAC_MAX_FRAME_RETRIES
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#define TSCH_MAC_MAX_FRAME_RETRIES TSCH_CONF_MAC_MAX_FRAME_RETRIES
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#else
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#define TSCH_MAC_MAX_FRAME_RETRIES 7
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#endif
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/* Include source address in ACK? */
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#ifdef TSCH_PACKET_CONF_EACK_WITH_SRC_ADDR
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#define TSCH_PACKET_EACK_WITH_SRC_ADDR TSCH_PACKET_CONF_EACK_WITH_SRC_ADDR
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#else
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#define TSCH_PACKET_EACK_WITH_SRC_ADDR 0
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#endif
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/* Perform CCA before sending? */
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#ifdef TSCH_CONF_CCA_ENABLED
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#define TSCH_CCA_ENABLED TSCH_CONF_CCA_ENABLED
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#else
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#define TSCH_CCA_ENABLED 0
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#endif
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/* Include destination address in ACK? */
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#ifdef TSCH_PACKET_CONF_EACK_WITH_DEST_ADDR
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#define TSCH_PACKET_EACK_WITH_DEST_ADDR TSCH_PACKET_CONF_EACK_WITH_DEST_ADDR
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#else
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#define TSCH_PACKET_EACK_WITH_DEST_ADDR 1 /* Include destination address
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by default, useful in case of duplicate seqno */
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#endif
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/******** Configuration: hardware-specific settings *******/
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/* HW frame filtering enabled */
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#ifdef TSCH_CONF_HW_FRAME_FILTERING
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#define TSCH_HW_FRAME_FILTERING TSCH_CONF_HW_FRAME_FILTERING
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#else /* TSCH_CONF_HW_FRAME_FILTERING */
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#define TSCH_HW_FRAME_FILTERING 1
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#endif /* TSCH_CONF_HW_FRAME_FILTERING */
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/* Keep radio always on within TSCH timeslot (1) or turn it off between packet and ACK? (0) */
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#ifdef TSCH_CONF_RADIO_ON_DURING_TIMESLOT
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#define TSCH_RADIO_ON_DURING_TIMESLOT TSCH_CONF_RADIO_ON_DURING_TIMESLOT
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#else
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#define TSCH_RADIO_ON_DURING_TIMESLOT 0
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#endif
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/* TSCH timeslot timing template */
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#ifdef TSCH_CONF_DEFAULT_TIMESLOT_TIMING
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#define TSCH_DEFAULT_TIMESLOT_TIMING TSCH_CONF_DEFAULT_TIMESLOT_TIMING
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#else
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#define TSCH_DEFAULT_TIMESLOT_TIMING tsch_timeslot_timing_us_10000
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#endif
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/* Configurable Rx guard time is micro-seconds */
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#ifndef TSCH_CONF_RX_WAIT
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#define TSCH_CONF_RX_WAIT 2200
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#endif /* TSCH_CONF_RX_WAIT */
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#endif /* __TSCH_CONF_H__ */
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/** @} */
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