/** * @file LoRaPHYIN865.cpp * * @brief Implements LoRaPHY for Indian 865 MHz band * * \code * ______ _ * / _____) _ | | * ( (____ _____ ____ _| |_ _____ ____| |__ * \____ \| ___ | (_ _) ___ |/ ___) _ \ * _____) ) ____| | | || |_| ____( (___| | | | * (______/|_____)_|_|_| \__)_____)\____)_| |_| * (C)2013 Semtech * ___ _____ _ ___ _ _____ ___ ___ ___ ___ * / __|_ _/_\ / __| |/ / __/ _ \| _ \/ __| __| * \__ \ | |/ _ \ (__| ' <| _| (_) | / (__| _| * |___/ |_/_/ \_\___|_|\_\_| \___/|_|_\\___|___| * embedded.connectivity.solutions=============== * * \endcode * * * License: Revised BSD License, see LICENSE.TXT file include in the project * * Maintainer: Miguel Luis ( Semtech ), Gregory Cristian ( Semtech ) and Daniel Jaeckle ( STACKFORCE ) * * Copyright (c) 2017, Arm Limited and affiliates. * SPDX-License-Identifier: BSD-3-Clause * */ #include "LoRaPHYIN865.h" #include "lora_phy_ds.h" /*! * Number of default channels */ #define IN865_NUMB_DEFAULT_CHANNELS 3 /*! * Number of channels to apply for the CF list */ #define IN865_NUMB_CHANNELS_CF_LIST 5 /*! * Minimal datarate that can be used by the node */ #define IN865_TX_MIN_DATARATE DR_0 /*! * Maximal datarate that can be used by the node */ #define IN865_TX_MAX_DATARATE DR_7 /*! * Minimal datarate that can be used by the node */ #define IN865_RX_MIN_DATARATE DR_0 /*! * Maximal datarate that can be used by the node */ #define IN865_RX_MAX_DATARATE DR_7 /*! * Default datarate used by the node */ #define IN865_DEFAULT_DATARATE DR_0 #define IN865_DEFAULT_MAX_DATARATE DR_5 /*! * Minimal Rx1 receive datarate offset */ #define IN865_MIN_RX1_DR_OFFSET 0 /*! * Maximal Rx1 receive datarate offset */ #define IN865_MAX_RX1_DR_OFFSET 7 /*! * Default Rx1 receive datarate offset */ #define IN865_DEFAULT_RX1_DR_OFFSET 0 /*! * Minimal Tx output power that can be used by the node */ #define IN865_MIN_TX_POWER TX_POWER_10 /*! * Maximal Tx output power that can be used by the node */ #define IN865_MAX_TX_POWER TX_POWER_0 /*! * Default Tx output power used by the node */ #define IN865_DEFAULT_TX_POWER TX_POWER_0 /*! * Default Max EIRP */ #define IN865_DEFAULT_MAX_EIRP 30.0f /*! * Default antenna gain */ #define IN865_DEFAULT_ANTENNA_GAIN 2.15f /*! * ADR Ack limit */ #define IN865_ADR_ACK_LIMIT 64 /*! * ADR Ack delay */ #define IN865_ADR_ACK_DELAY 32 /*! * Enabled or disabled the duty cycle */ #define IN865_DUTY_CYCLE_ENABLED 1 /*! * Maximum RX window duration */ #define IN865_MAX_RX_WINDOW 3000 /*! * Receive delay 1 */ #define IN865_RECEIVE_DELAY1 1000 /*! * Receive delay 2 */ #define IN865_RECEIVE_DELAY2 2000 /*! * Join accept delay 1 */ #define IN865_JOIN_ACCEPT_DELAY1 5000 /*! * Join accept delay 2 */ #define IN865_JOIN_ACCEPT_DELAY2 6000 /*! * Maximum frame counter gap */ #define IN865_MAX_FCNT_GAP 16384 /*! * Ack timeout */ #define IN865_ACKTIMEOUT 2000 /*! * Random ack timeout limits */ #define IN865_ACK_TIMEOUT_RND 1000 #if ( IN865_DEFAULT_DATARATE > DR_5 ) #error "A default DR higher than DR_5 may lead to connectivity loss." #endif /*! * Second reception window channel frequency definition. */ #define IN865_RX_WND_2_FREQ 866550000 /*! * Second reception window channel datarate definition. */ #define IN865_RX_WND_2_DR DR_2 /*! * Band 0 definition * { DutyCycle, TxMaxPower, LastJoinTxDoneTime, LastTxDoneTime, TimeOff } */ static const band_t IN865_BAND0 = { 1, IN865_MAX_TX_POWER, 0, 0, 0, 865000000, 867000000 }; // 100.0 % /*! * LoRaMac default channel 1 * Channel = { Frequency [Hz], RX1 Frequency [Hz], { ( ( DrMax << 4 ) | DrMin ) }, Band } */ static const channel_params_t IN865_LC1 = { 865062500, 0, { ((DR_5 << 4) | DR_0) }, 0 }; /*! * LoRaMac default channel 2 * Channel = { Frequency [Hz], RX1 Frequency [Hz], { ( ( DrMax << 4 ) | DrMin ) }, Band } */ static const channel_params_t IN865_LC2 = { 865402500, 0, { ((DR_5 << 4) | DR_0) }, 0 }; /*! * LoRaMac default channel 3 * Channel = { Frequency [Hz], RX1 Frequency [Hz], { ( ( DrMax << 4 ) | DrMin ) }, Band } */ static const channel_params_t IN865_LC3 = { 865985000, 0, { ((DR_5 << 4) | DR_0) }, 0 }; /*! * LoRaMac channels which are allowed for the join procedure */ #define IN865_JOIN_CHANNELS ( uint16_t )( LC( 1 ) | LC( 2 ) | LC( 3 ) ) /*! * Data rates table definition */ static const uint8_t datarates_IN865[] = { 12, 11, 10, 9, 8, 7, 0, 50 }; /*! * Bandwidths table definition in Hz */ static const uint32_t bandwidths_IN865[] = { 125000, 125000, 125000, 125000, 125000, 125000, 250000, 0 }; /*! * Maximum payload with respect to the datarate index. Cannot operate with repeater. */ static const uint8_t max_payloads_IN865[] = { 51, 51, 51, 115, 242, 242, 242, 242 }; /*! * Maximum payload with respect to the datarate index. Can operate with repeater. */ static const uint8_t max_payloads_with_repeater[] = { 51, 51, 51, 115, 222, 222, 222, 222 }; /*! * Effective datarate offsets for receive window 1. */ static const int8_t rx1_dr_offset_IN865[] = { 0, 1, 2, 3, 4, 5, -1, -2 }; LoRaPHYIN865::LoRaPHYIN865() { bands[0] = IN865_BAND0; // Default Channels are always enabled, rest will be added later channels[0] = IN865_LC1; channels[0].band = 0; channels[1] = IN865_LC2; channels[1].band = 0; channels[2] = IN865_LC3; channels[2].band = 0; // Initialize the channels default mask default_channel_mask[0] = LC(1) + LC(2) + LC(3); // Update the channels mask copy_channel_mask(channel_mask, default_channel_mask, 1); // set default channels phy_params.channels.channel_list = channels; phy_params.channels.channel_list_size = IN865_MAX_NB_CHANNELS; phy_params.channels.mask = channel_mask; phy_params.channels.default_mask = default_channel_mask; phy_params.channels.mask_size = IN865_CHANNEL_MASK_SIZE; // set bands for IN865 spectrum phy_params.bands.table = (void *) bands; phy_params.bands.size = IN865_MAX_NB_BANDS; // set bandwidths available in IN865 spectrum phy_params.bandwidths.table = (void *) bandwidths_IN865; phy_params.bandwidths.size = 8; // set data rates available in IN865 spectrum phy_params.datarates.table = (void *) datarates_IN865; phy_params.datarates.size = 8; // set payload sizes with respect to data rates phy_params.payloads.table = (void *) max_payloads_IN865; phy_params.payloads.size = 8; phy_params.payloads_with_repeater.table = (void *) max_payloads_with_repeater; phy_params.payloads_with_repeater.size = 8; // dwell time setting phy_params.ul_dwell_time_setting = 0; phy_params.dl_dwell_time_setting = 0; // set initial and default parameters phy_params.duty_cycle_enabled = IN865_DUTY_CYCLE_ENABLED; phy_params.accept_tx_param_setup_req = false; phy_params.fsk_supported = true; phy_params.cflist_supported = true; phy_params.dl_channel_req_supported = true; phy_params.custom_channelplans_supported = true; phy_params.default_channel_cnt = IN865_NUMB_DEFAULT_CHANNELS; phy_params.max_channel_cnt = IN865_MAX_NB_CHANNELS; phy_params.cflist_channel_cnt = IN865_NUMB_CHANNELS_CF_LIST; phy_params.min_tx_datarate = IN865_TX_MIN_DATARATE; phy_params.max_tx_datarate = IN865_TX_MAX_DATARATE; phy_params.min_rx_datarate = IN865_RX_MIN_DATARATE; phy_params.max_rx_datarate = IN865_RX_MAX_DATARATE; phy_params.default_datarate = IN865_DEFAULT_DATARATE; phy_params.default_max_datarate = IN865_DEFAULT_MAX_DATARATE; phy_params.min_rx1_dr_offset = IN865_MIN_RX1_DR_OFFSET; phy_params.max_rx1_dr_offset = IN865_MAX_RX1_DR_OFFSET; phy_params.default_rx1_dr_offset = IN865_DEFAULT_RX1_DR_OFFSET; phy_params.min_tx_power = IN865_MIN_TX_POWER; phy_params.max_tx_power = IN865_MAX_TX_POWER; phy_params.default_tx_power = IN865_DEFAULT_TX_POWER; phy_params.default_max_eirp = IN865_DEFAULT_MAX_EIRP; phy_params.default_antenna_gain = IN865_DEFAULT_ANTENNA_GAIN; phy_params.adr_ack_limit = IN865_ADR_ACK_LIMIT; phy_params.adr_ack_delay = IN865_ADR_ACK_DELAY; phy_params.max_rx_window = IN865_MAX_RX_WINDOW; phy_params.recv_delay1 = IN865_RECEIVE_DELAY1; phy_params.recv_delay2 = IN865_RECEIVE_DELAY2; phy_params.join_channel_mask = IN865_JOIN_CHANNELS; phy_params.join_accept_delay1 = IN865_JOIN_ACCEPT_DELAY1; phy_params.join_accept_delay2 = IN865_JOIN_ACCEPT_DELAY2; phy_params.max_fcnt_gap = IN865_MAX_FCNT_GAP; phy_params.ack_timeout = IN865_ACKTIMEOUT; phy_params.ack_timeout_rnd = IN865_ACK_TIMEOUT_RND; phy_params.rx_window2_datarate = IN865_RX_WND_2_DR; phy_params.rx_window2_frequency = IN865_RX_WND_2_FREQ; } LoRaPHYIN865::~LoRaPHYIN865() { } uint8_t LoRaPHYIN865::apply_DR_offset(int8_t dr, int8_t dr_offset) { // Apply offset formula return MIN(DR_5, MAX(DR_0, dr - rx1_dr_offset_IN865[dr_offset])); }