/* * Copyright (c) 2015, SICS Swedish ICT. * 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 * TSCH configuration * \author * Simon Duquennoy */ /** * \addtogroup tsch * @{ */ #ifndef __TSCH_CONF_H__ #define __TSCH_CONF_H__ /********** Includes **********/ #include "contiki.h" /******** Configuration *******/ /* Default IEEE 802.15.4e hopping sequences, obtained from https://gist.github.com/twatteyne/2e22ee3c1a802b685695 */ /* 16 channels, sequence length 16 */ #define TSCH_HOPPING_SEQUENCE_16_16 (uint8_t[]){ 16, 17, 23, 18, 26, 15, 25, 22, 19, 11, 12, 13, 24, 14, 20, 21 } /* 4 channels, sequence length 16 */ #define TSCH_HOPPING_SEQUENCE_4_16 (uint8_t[]){ 20, 26, 25, 26, 15, 15, 25, 20, 26, 15, 26, 25, 20, 15, 20, 25 } /* 4 channels, sequence length 4 */ #define TSCH_HOPPING_SEQUENCE_4_4 (uint8_t[]){ 15, 25, 26, 20 } /* 2 channels, sequence length 2 */ #define TSCH_HOPPING_SEQUENCE_2_2 (uint8_t[]){ 20, 25 } /* 1 channel, sequence length 1 */ #define TSCH_HOPPING_SEQUENCE_1_1 (uint8_t[]){ 20 } /* Default hopping sequence, used in case hopping sequence ID == 0 */ #ifdef TSCH_CONF_DEFAULT_HOPPING_SEQUENCE #define TSCH_DEFAULT_HOPPING_SEQUENCE TSCH_CONF_DEFAULT_HOPPING_SEQUENCE #else #define TSCH_DEFAULT_HOPPING_SEQUENCE TSCH_HOPPING_SEQUENCE_4_4 #endif /* Hopping sequence used for joining (scan channels) */ #ifdef TSCH_CONF_JOIN_HOPPING_SEQUENCE #define TSCH_JOIN_HOPPING_SEQUENCE TSCH_CONF_JOIN_HOPPING_SEQUENCE #else #define TSCH_JOIN_HOPPING_SEQUENCE TSCH_DEFAULT_HOPPING_SEQUENCE #endif /* Maximum length of the TSCH channel hopping sequence. Must be greater or * equal to the length of TSCH_DEFAULT_HOPPING_SEQUENCE. */ #ifdef TSCH_CONF_HOPPING_SEQUENCE_MAX_LEN #define TSCH_HOPPING_SEQUENCE_MAX_LEN TSCH_CONF_HOPPING_SEQUENCE_MAX_LEN #else #define TSCH_HOPPING_SEQUENCE_MAX_LEN 16 #endif /* Timeslot timing */ #ifndef TSCH_CONF_DEFAULT_TIMESLOT_LENGTH #define TSCH_CONF_DEFAULT_TIMESLOT_LENGTH 10000 #endif /* TSCH_CONF_DEFAULT_TIMESLOT_LENGTH */ /* Configurable Rx guard time is micro-seconds */ #ifndef TSCH_CONF_RX_WAIT #define TSCH_CONF_RX_WAIT 2200 #endif /* TSCH_CONF_RX_WAIT */ /* The default timeslot timing in the standard is a guard time of * 2200 us, a Tx offset of 2120 us and a Rx offset of 1120 us. * As a result, the listening device has a guard time not centered * on the expected Tx time. This is to be fixed in the next iteration * of the standard. This can be enabled with: * #define TSCH_DEFAULT_TS_TX_OFFSET 2120 * #define TSCH_DEFAULT_TS_RX_OFFSET 1120 * #define TSCH_DEFAULT_TS_RX_WAIT 2200 * * Instead, we align the Rx guard time on expected Tx time. The Rx * guard time is user-configurable with TSCH_CONF_RX_WAIT. * (TS_TX_OFFSET - (TS_RX_WAIT / 2)) instead */ #if TSCH_CONF_DEFAULT_TIMESLOT_LENGTH == 10000 /* Default timeslot timing as per IEEE 802.15.4e */ #define TSCH_DEFAULT_TS_CCA_OFFSET 1800 #define TSCH_DEFAULT_TS_CCA 128 #define TSCH_DEFAULT_TS_TX_OFFSET 2120 #define TSCH_DEFAULT_TS_RX_OFFSET (TSCH_DEFAULT_TS_TX_OFFSET - (TSCH_CONF_RX_WAIT / 2)) #define TSCH_DEFAULT_TS_RX_ACK_DELAY 800 #define TSCH_DEFAULT_TS_TX_ACK_DELAY 1000 #define TSCH_DEFAULT_TS_RX_WAIT TSCH_CONF_RX_WAIT #define TSCH_DEFAULT_TS_ACK_WAIT 400 #define TSCH_DEFAULT_TS_RX_TX 192 #define TSCH_DEFAULT_TS_MAX_ACK 2400 #define TSCH_DEFAULT_TS_MAX_TX 4256 #define TSCH_DEFAULT_TS_TIMESLOT_LENGTH 10000 #elif TSCH_CONF_DEFAULT_TIMESLOT_LENGTH == 15000 /* Default timeslot timing for platforms requiring 15ms slots */ #define TSCH_DEFAULT_TS_CCA_OFFSET 1800 #define TSCH_DEFAULT_TS_CCA 128 #define TSCH_DEFAULT_TS_TX_OFFSET 4000 #define TSCH_DEFAULT_TS_RX_OFFSET (TSCH_DEFAULT_TS_TX_OFFSET - (TSCH_CONF_RX_WAIT / 2)) #define TSCH_DEFAULT_TS_RX_ACK_DELAY 3600 #define TSCH_DEFAULT_TS_TX_ACK_DELAY 4000 #define TSCH_DEFAULT_TS_RX_WAIT TSCH_CONF_RX_WAIT #define TSCH_DEFAULT_TS_ACK_WAIT 800 #define TSCH_DEFAULT_TS_RX_TX 2072 #define TSCH_DEFAULT_TS_MAX_ACK 2400 #define TSCH_DEFAULT_TS_MAX_TX 4256 #define TSCH_DEFAULT_TS_TIMESLOT_LENGTH 15000 #elif TSCH_CONF_DEFAULT_TIMESLOT_LENGTH == 65000U /* 65ms timeslot, i.e. nearly the max length allowed by standard (16-bit unsigned in micro-seconds). * Useful for running link-layer security on sky in Cooja, where only S/W security is supported. * Note: this slot timing would require a total of 120ms. If a slot overlaps with the next active slot, * the latter will be skipped. * This configuration is mostly a work-around to test link-layer security in Cooja, it is recommended * to use it with a 6TiSCH minimal schedule of length >= 2. */ #define TSCH_DEFAULT_TS_CCA_OFFSET 1800 #define TSCH_DEFAULT_TS_CCA 128 #define TSCH_DEFAULT_TS_TX_OFFSET 52000 #define TSCH_DEFAULT_TS_RX_OFFSET (TSCH_DEFAULT_TS_TX_OFFSET - (TSCH_CONF_RX_WAIT / 2)) #define TSCH_DEFAULT_TS_RX_ACK_DELAY 58600 #define TSCH_DEFAULT_TS_TX_ACK_DELAY 59000 #define TSCH_DEFAULT_TS_RX_WAIT TSCH_CONF_RX_WAIT #define TSCH_DEFAULT_TS_ACK_WAIT 800 #define TSCH_DEFAULT_TS_RX_TX 2072 #define TSCH_DEFAULT_TS_MAX_ACK 2400 #define TSCH_DEFAULT_TS_MAX_TX 4256 #define TSCH_DEFAULT_TS_TIMESLOT_LENGTH 65000 #else #error "TSCH: Unsupported default timeslot length" #endif /* A custom feature allowing upper layers to assign packets to * a specific slotframe and link */ #ifdef TSCH_CONF_WITH_LINK_SELECTOR #define TSCH_WITH_LINK_SELECTOR TSCH_CONF_WITH_LINK_SELECTOR #else /* TSCH_CONF_WITH_LINK_SELECTOR */ #define TSCH_WITH_LINK_SELECTOR 0 #endif /* TSCH_CONF_WITH_LINK_SELECTOR */ /* Estimate the drift of the time-source neighbor and compensate for it? */ #ifdef TSCH_CONF_ADAPTIVE_TIMESYNC #define TSCH_ADAPTIVE_TIMESYNC TSCH_CONF_ADAPTIVE_TIMESYNC #else #define TSCH_ADAPTIVE_TIMESYNC 1 #endif /* HW frame filtering enabled */ #ifdef TSCH_CONF_HW_FRAME_FILTERING #define TSCH_HW_FRAME_FILTERING TSCH_CONF_HW_FRAME_FILTERING #else /* TSCH_CONF_HW_FRAME_FILTERING */ #define TSCH_HW_FRAME_FILTERING 1 #endif /* TSCH_CONF_HW_FRAME_FILTERING */ /* Keep radio always on within TSCH timeslot (1) or turn it off between packet and ACK? (0) */ #ifdef TSCH_CONF_RADIO_ON_DURING_TIMESLOT #define TSCH_RADIO_ON_DURING_TIMESLOT TSCH_CONF_RADIO_ON_DURING_TIMESLOT #else #define TSCH_RADIO_ON_DURING_TIMESLOT 0 #endif /* How long to scan each channel in the scanning phase */ #ifdef TSCH_CONF_CHANNEL_SCAN_DURATION #define TSCH_CHANNEL_SCAN_DURATION TSCH_CONF_CHANNEL_SCAN_DURATION #else #define TSCH_CHANNEL_SCAN_DURATION CLOCK_SECOND #endif #endif /* __TSCH_CONF_H__ */ /** @} */