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mbed-os/features/lorawan/lorastack/phy/LoRaPHYIN865.cpp

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/**
* @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]));
}
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