LoRaPHYEU868.cpp

00001 /**
00002  *  @file LoRaPHYEU868.cpp
00003  *
00004  *  @brief Implements LoRaPHY for European 868 MHz band
00005  *
00006  *  \code
00007  *   ______                              _
00008  *  / _____)             _              | |
00009  * ( (____  _____ ____ _| |_ _____  ____| |__
00010  *  \____ \| ___ |    (_   _) ___ |/ ___)  _ \
00011  *  _____) ) ____| | | || |_| ____( (___| | | |
00012  * (______/|_____)_|_|_| \__)_____)\____)_| |_|
00013  *   (C)2013 Semtech
00014  *  ___ _____ _   ___ _  _____ ___  ___  ___ ___
00015  * / __|_   _/_\ / __| |/ / __/ _ \| _ \/ __| __|
00016  * \__ \ | |/ _ \ (__| ' <| _| (_) |   / (__| _|
00017  * |___/ |_/_/ \_\___|_|\_\_| \___/|_|_\\___|___|
00018  * embedded.connectivity.solutions===============
00019  *
00020  * \endcode
00021  *
00022  *
00023  * License: Revised BSD License, see LICENSE.TXT file include in the project
00024  *
00025  * Maintainer: Miguel Luis ( Semtech ), Gregory Cristian ( Semtech ) and Daniel Jaeckle ( STACKFORCE )
00026  *
00027  * Copyright (c) 2017, Arm Limited and affiliates.
00028  * SPDX-License-Identifier: BSD-3-Clause
00029  *
00030  */
00031 
00032 #include "LoRaPHYEU868.h"
00033 #include "lora_phy_ds.h"
00034 
00035 /*!
00036  * Number of default channels
00037  */
00038 #define EU868_NUMB_DEFAULT_CHANNELS                 3
00039 
00040 /*!
00041  * Number of channels to apply for the CF list
00042  */
00043 #define EU868_NUMB_CHANNELS_CF_LIST                 5
00044 
00045 /*!
00046  * Minimal datarate that can be used by the node
00047  */
00048 #define EU868_TX_MIN_DATARATE                       DR_0
00049 
00050 /*!
00051  * Maximal datarate that can be used by the node
00052  */
00053 #define EU868_TX_MAX_DATARATE                       DR_7
00054 
00055 /*!
00056  * Minimal datarate that can be used by the node
00057  */
00058 #define EU868_RX_MIN_DATARATE                       DR_0
00059 
00060 /*!
00061  * Maximal datarate that can be used by the node
00062  */
00063 #define EU868_RX_MAX_DATARATE                       DR_7
00064 
00065 /*!
00066  * Default datarate used by the node
00067  */
00068 #define EU868_DEFAULT_DATARATE                      DR_0
00069 
00070 #define EU868_DEFAULT_MAX_DATARATE                  DR_5
00071 
00072 /*!
00073  * Minimal Rx1 receive datarate offset
00074  */
00075 #define EU868_MIN_RX1_DR_OFFSET                     0
00076 
00077 /*!
00078  * Maximal Rx1 receive datarate offset
00079  */
00080 #define EU868_MAX_RX1_DR_OFFSET                     5
00081 
00082 /*!
00083  * Default Rx1 receive datarate offset
00084  */
00085 #define EU868_DEFAULT_RX1_DR_OFFSET                 0
00086 
00087 /*!
00088  * Minimal Tx output power that can be used by the node
00089  */
00090 #define EU868_MIN_TX_POWER                          TX_POWER_7
00091 
00092 /*!
00093  * Maximal Tx output power that can be used by the node
00094  */
00095 #define EU868_MAX_TX_POWER                          TX_POWER_0
00096 
00097 /*!
00098  * Default Tx output power used by the node
00099  */
00100 #define EU868_DEFAULT_TX_POWER                      TX_POWER_0
00101 
00102 /*!
00103  * Default Max EIRP
00104  */
00105 #define EU868_DEFAULT_MAX_EIRP                      16.0f
00106 
00107 /*!
00108  * Default antenna gain
00109  */
00110 #define EU868_DEFAULT_ANTENNA_GAIN                  2.15f
00111 
00112 /*!
00113  * ADR Ack limit
00114  */
00115 #define EU868_ADR_ACK_LIMIT                         64
00116 
00117 /*!
00118  * ADR Ack delay
00119  */
00120 #define EU868_ADR_ACK_DELAY                         32
00121 
00122 /*!
00123  * Enabled or disabled the duty cycle
00124  */
00125 #define EU868_DUTY_CYCLE_ENABLED                    1
00126 
00127 /*!
00128  * Maximum RX window duration
00129  */
00130 #define EU868_MAX_RX_WINDOW                         3000
00131 
00132 /*!
00133  * Receive delay 1
00134  */
00135 #define EU868_RECEIVE_DELAY1                        1000
00136 
00137 /*!
00138  * Receive delay 2
00139  */
00140 #define EU868_RECEIVE_DELAY2                        2000
00141 
00142 /*!
00143  * Join accept delay 1
00144  */
00145 #define EU868_JOIN_ACCEPT_DELAY1                    5000
00146 
00147 /*!
00148  * Join accept delay 2
00149  */
00150 #define EU868_JOIN_ACCEPT_DELAY2                    6000
00151 
00152 /*!
00153  * Maximum frame counter gap
00154  */
00155 #define EU868_MAX_FCNT_GAP                          16384
00156 
00157 /*!
00158  * Ack timeout
00159  */
00160 #define EU868_ACKTIMEOUT                            2000
00161 
00162 /*!
00163  * Random ack timeout limits
00164  */
00165 #define EU868_ACK_TIMEOUT_RND     1000
00166 
00167 #if ( EU868_DEFAULT_DATARATE > DR_5 )
00168 #error "A default DR higher than DR_5 may lead to connectivity loss."
00169 #endif
00170 
00171 /*!
00172  * Second reception window channel frequency definition.
00173  */
00174 #define EU868_RX_WND_2_FREQ       869525000
00175 
00176 /*!
00177  * Second reception window channel datarate definition.
00178  */
00179 #define EU868_RX_WND_2_DR          DR_0
00180 
00181 /*!
00182  * Band 0 definition
00183  * { DutyCycle, TxMaxPower, LastJoinTxDoneTime, LastTxDoneTime, TimeOff }
00184  */
00185 static const band_t  EU868_BAND0  = {100 , EU868_MAX_TX_POWER, 0, 0, 0,865000000, 868000000}; //  1.0 %
00186 /*!
00187  * Band 1 definition
00188  * { DutyCycle, TxMaxPower, LastJoinTxDoneTime, LastTxDoneTime, TimeOff }
00189  */
00190 static const band_t  EU868_BAND1  = {100 , EU868_MAX_TX_POWER, 0, 0, 0, 868100000, 868600000}; //  1.0 %
00191 
00192 /*!
00193  * Band 2 definition
00194  * Band = { DutyCycle, TxMaxPower, LastJoinTxDoneTime, LastTxDoneTime, TimeOff }
00195  */
00196 static const band_t  EU868_BAND2  = {1000, EU868_MAX_TX_POWER, 0, 0, 0, 868700000, 869200000}; //  0.1 %
00197 
00198 /*!
00199  * Band 3 definition
00200  * Band = { DutyCycle, TxMaxPower, LastJoinTxDoneTime, LastTxDoneTime, TimeOff }
00201  */
00202 static const band_t  EU868_BAND3  = {10  , EU868_MAX_TX_POWER, 0, 0, 0, 869400000, 869650000}; // 10.0 %
00203 
00204 /*!
00205  * Band 4 definition
00206  * Band = { DutyCycle, TxMaxPower, LastJoinTxDoneTime, LastTxDoneTime, TimeOff }
00207  */
00208 static const band_t  EU868_BAND4  = {100 , EU868_MAX_TX_POWER, 0, 0, 0, 869700000, 870000000}; //  1.0 %
00209 
00210 /*!
00211  * Band 5 definition - It's actually a sub part of Band 2
00212  * Band = { DutyCycle, TxMaxPower, LastJoinTxDoneTime, LastTxDoneTime, TimeOff }
00213  */
00214 static const band_t  EU868_BAND5  = {1000, EU868_MAX_TX_POWER, 0, 0, 0, 863000000, 865000000}; //  0.1 %
00215 
00216 /*!
00217  * LoRaMac default channel 1
00218  * Channel = { Frequency [Hz], RX1 Frequency [Hz], { ( ( DrMax << 4 ) | DrMin ) }, Band }
00219  */
00220 static const channel_params_t EU868_LC1  = {868100000, 0, { ( ( DR_5 << 4 ) | DR_0 ) }, 1};
00221 
00222 /*!
00223  * LoRaMac default channel 2
00224  * Channel = { Frequency [Hz], RX1 Frequency [Hz], { ( ( DrMax << 4 ) | DrMin ) }, Band }
00225  */
00226 static const channel_params_t EU868_LC2  = {868300000, 0, { ( ( DR_5 << 4 ) | DR_0 ) }, 1};
00227 
00228 /*!
00229  * LoRaMac default channel 3
00230  * Channel = { Frequency [Hz], RX1 Frequency [Hz], { ( ( DrMax << 4 ) | DrMin ) }, Band }
00231  */
00232 static const channel_params_t EU868_LC3  = {868500000, 0, { ( ( DR_5 << 4 ) | DR_0 ) }, 1};
00233 
00234 /*!
00235  * LoRaMac channels which are allowed for the join procedure
00236  */
00237 #define EU868_JOIN_CHANNELS        (uint16_t)(LC(1) | LC(2) | LC(3))
00238 
00239 /*!
00240  * Data rates table definition
00241  */
00242 static const uint8_t datarates_EU868 []  = {12, 11, 10,  9,  8,  7,  7, 50};
00243 
00244 /*!
00245  * Bandwidths table definition in Hz
00246  */
00247 static const uint32_t bandwidths_EU868 [] = {125000, 125000, 125000, 125000, 125000, 125000, 250000, 0};
00248 
00249 /*!
00250  * Maximum payload with respect to the datarate index. Cannot operate with repeater.
00251  */
00252 static const uint8_t max_payloads_EU868 [] = {51, 51, 51, 115, 242, 242, 242, 242};
00253 
00254 /*!
00255  * Maximum payload with respect to the datarate index. Can operate with repeater.
00256  */
00257 static const uint8_t max_payloads_repeater_EU868 [] = {51, 51, 51, 115, 222, 222, 222, 222};
00258 
00259 LoRaPHYEU868::LoRaPHYEU868(LoRaWANTimeHandler &lora_time)
00260     : LoRaPHY(lora_time)
00261 {
00262     bands[0] = EU868_BAND0 ;
00263     bands[1] = EU868_BAND1 ;
00264     bands[2] = EU868_BAND2 ;
00265     bands[3] = EU868_BAND3 ;
00266     bands[4] = EU868_BAND4 ;
00267     bands[5] = EU868_BAND5 ;
00268 
00269     // Default Channels are always enabled, rest will be added later
00270     channels[0] = EU868_LC1 ;
00271     channels[0].band = 1;
00272     channels[1] = EU868_LC2 ;
00273     channels[1].band = 1;
00274     channels[2] = EU868_LC3 ;
00275     channels[2].band = 1;
00276 
00277     // Initialize the channels default mask
00278     default_channel_mask[0] = LC(1) + LC(2) + LC(3);
00279     // Update the channels mask
00280     copy_channel_mask(channel_mask, default_channel_mask, 1);
00281 
00282     // set default channels
00283     phy_params.channels.channel_list = channels;
00284     phy_params.channels.channel_list_size = EU868_MAX_NB_CHANNELS;
00285     phy_params.channels.mask = channel_mask;
00286     phy_params.channels.default_mask = default_channel_mask;
00287     phy_params.channels.mask_size = EU868_CHANNEL_MASK_SIZE;
00288 
00289     // set bands for EU868 spectrum
00290     phy_params.bands.table = (void *) bands;
00291     phy_params.bands.size = EU868_MAX_NB_BANDS;
00292 
00293     // set bandwidths available in EU868 spectrum
00294     phy_params.bandwidths.table = (void *) bandwidths_EU868 ;
00295     phy_params.bandwidths.size = 8;
00296 
00297     // set data rates available in EU868 spectrum
00298     phy_params.datarates.table = (void *) datarates_EU868 ;
00299     phy_params.datarates.size = 8;
00300 
00301     // set payload sizes with respect to data rates
00302     phy_params.payloads.table = (void *) max_payloads_EU868 ;
00303     phy_params.payloads.size = 8;
00304     phy_params.payloads_with_repeater.table = (void *) max_payloads_repeater_EU868 ;
00305     phy_params.payloads_with_repeater.size = 8;
00306 
00307     // dwell time setting
00308     phy_params.ul_dwell_time_setting = 0;
00309     phy_params.dl_dwell_time_setting = 0;
00310 
00311     // set initial and default parameters
00312     phy_params.duty_cycle_enabled = EU868_DUTY_CYCLE_ENABLED;
00313     phy_params.accept_tx_param_setup_req = true;
00314     phy_params.fsk_supported = true;
00315     phy_params.cflist_supported = true;
00316     phy_params.dl_channel_req_supported = true;
00317     phy_params.custom_channelplans_supported = true;
00318     phy_params.default_channel_cnt = EU868_NUMB_DEFAULT_CHANNELS;
00319     phy_params.max_channel_cnt = EU868_MAX_NB_CHANNELS;
00320     phy_params.cflist_channel_cnt = EU868_NUMB_CHANNELS_CF_LIST;
00321     phy_params.min_tx_datarate = EU868_TX_MIN_DATARATE;
00322     phy_params.max_tx_datarate = EU868_TX_MAX_DATARATE;
00323     phy_params.min_rx_datarate = EU868_RX_MIN_DATARATE;
00324     phy_params.max_rx_datarate = EU868_RX_MAX_DATARATE;
00325     phy_params.default_datarate = EU868_DEFAULT_DATARATE;
00326     phy_params.default_max_datarate = EU868_DEFAULT_MAX_DATARATE;
00327     phy_params.min_rx1_dr_offset = EU868_MIN_RX1_DR_OFFSET;
00328     phy_params.max_rx1_dr_offset = EU868_MAX_RX1_DR_OFFSET;
00329     phy_params.default_rx1_dr_offset = EU868_DEFAULT_RX1_DR_OFFSET;
00330     phy_params.min_tx_power = EU868_MIN_TX_POWER;
00331     phy_params.max_tx_power = EU868_MAX_TX_POWER;
00332     phy_params.default_tx_power = EU868_DEFAULT_TX_POWER;
00333     phy_params.default_max_eirp = EU868_DEFAULT_MAX_EIRP;
00334     phy_params.default_antenna_gain = EU868_DEFAULT_ANTENNA_GAIN;
00335     phy_params.adr_ack_limit = EU868_ADR_ACK_LIMIT;
00336     phy_params.adr_ack_delay = EU868_ADR_ACK_DELAY;
00337     phy_params.max_rx_window = EU868_MAX_RX_WINDOW;
00338     phy_params.recv_delay1 = EU868_RECEIVE_DELAY1;
00339     phy_params.recv_delay2 = EU868_RECEIVE_DELAY2;
00340     phy_params.join_channel_mask = EU868_JOIN_CHANNELS;
00341     phy_params.join_accept_delay1 = EU868_JOIN_ACCEPT_DELAY1;
00342     phy_params.join_accept_delay2 = EU868_JOIN_ACCEPT_DELAY2;
00343     phy_params.max_fcnt_gap = EU868_MAX_FCNT_GAP;
00344     phy_params.ack_timeout = EU868_ACKTIMEOUT;
00345     phy_params.ack_timeout_rnd = EU868_ACK_TIMEOUT_RND;
00346     phy_params.rx_window2_datarate = EU868_RX_WND_2_DR;
00347     phy_params.rx_window2_frequency = EU868_RX_WND_2_FREQ;
00348 }
00349 
00350 LoRaPHYEU868::~LoRaPHYEU868()
00351 {
00352 }
00353