Rewrite of Dual Channel LoRaWAN Gateway (Up and Downlink) This repo aims rewrite Dual Channel LoRaWAN Gateway project in good c++ code, removing most of its c dependencies and unsafe/bad code

This repository is a WIP Single channel LoRaWAN gateway.

It has been tested on the Raspberry Pi platform, using a Semtech SX1276 (other configurations and the SX1272 not tested, but should be able to make working)

The code is for testing and development purposes only, and is not meant for production usage.

Part of the source has been copied from the Semtech Packet Forwarder (with permission).

Was forked by @Samt43 from https://github.com/bokse001/dual_chan_pkt_fwd/tree/dual_chan_pkt_fwd_up_down
Was forked by @jlesech https://github.com/tftelkamp/single_chan_pkt_fwd to add json configuration file
then forked by @hallard https://github.com/hallard/single_chan_pkt_fwd then forked by @bokse001 https://github.com/bokse001/dual_chan_pkt_fwd to add dual channel support, configurable network interface, Downlink and uputronics Raspberry Pi+ LoRa(TM) Expansion Board

It contains code from both the ESP-1ch-Gateway-v3.0 by Maarten Westenberg https://github.com/things4u/ESP-1ch-Gateway-v3.0 and TheThingsNetwork/packet_forwarder https://github.com/TheThingsNetwork/packet_forwarder

[WARNING] This is bleeding edge development so do not expect clean coding, but it has been working for a while now. Lots of things still to do.

Also have a look at my blog where i write my experiences on TTN, LoRa and domoticz from time to time: https://hansboksem.wordpress.com/

Added new Features

• pin definition are in config file
• Removed some configuration hard coded in source file and put them into global_conf.json
• renamed main.cpp to dual_chan_pkt_fwd.cpp
• added dual_chan_pkt_fwd.service for systemd (debian jessie minimal) start
• added make install and make uninstall into Makefile to install service

Added by HBM:

• added support for uputronics Raspberry Pi+ LoRa(TM) Expansion Board
• added control for On board Led's if any (uputronics board CE0 and CE1 activity, Internet and Lan sensing leds)
• added configuration of the network interface (eth0/wlan0) and sensing network interface connectivity
• added a counter for packets received and sent since last start
• added Downlink support in a separate thread
• moved LoRA functions to separate file
• moved compile time variables to header file

Raspberry PI pin mapping is as follow and pin number in file global_conf.json are WiringPi pin number (wPi colunm)

root@xxxx # gpio readall
 +-----+-----+---------+------+---+---Pi 3---+---+------+---------+-----+-----+
 | BCM | wPi |   Name  | Mode | V | Physical | V | Mode | Name    | wPi | BCM |
 +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
 |     |     |    3.3v |      |   |  1 || 2  |   |      | 5v      |     |     |
 |   2 |   8 |   SDA.1 |   IN | 1 |  3 || 4  |   |      | 5V      |     |     |
 |   3 |   9 |   SCL.1 |   IN | 1 |  5 || 6  |   |      | 0v      |     |     |
 |   4 |   7 | GPIO. 7 |   IN | 1 |  7 || 8  | 1 | ALT5 | TxD     | 15  | 14  |
 |     |     |      0v |      |   |  9 || 10 | 1 | ALT5 | RxD     | 16  | 15  |
 |  17 |   0 | GPIO. 0 |  OUT | 0 | 11 || 12 | 0 | IN   | GPIO. 1 | 1   | 18  |
 |  27 |   2 | GPIO. 2 |   IN | 0 | 13 || 14 |   |      | 0v      |     |     |
 |  22 |   3 | GPIO. 3 |   IN | 0 | 15 || 16 | 0 | IN   | GPIO. 4 | 4   | 23  |
 |     |     |    3.3v |      |   | 17 || 18 | 1 | IN   | GPIO. 5 | 5   | 24  |
 |  10 |  12 |    MOSI | ALT0 | 0 | 19 || 20 |   |      | 0v      |     |     |
 |   9 |  13 |    MISO | ALT0 | 0 | 21 || 22 | 0 | IN   | GPIO. 6 | 6   | 25  |
 |  11 |  14 |    SCLK | ALT0 | 0 | 23 || 24 | 1 | OUT  | CE0     | 10  | 8   |
 |     |     |      0v |      |   | 25 || 26 | 1 | OUT  | CE1     | 11  | 7   |
 |   0 |  30 |   SDA.0 |   IN | 1 | 27 || 28 | 1 | IN   | SCL.0   | 31  | 1   |
 |   5 |  21 | GPIO.21 |  OUT | 0 | 29 || 30 |   |      | 0v      |     |     |
 |   6 |  22 | GPIO.22 |  OUT | 0 | 31 || 32 | 1 | IN   | GPIO.26 | 26  | 12  |
 |  13 |  23 | GPIO.23 |  OUT | 0 | 33 || 34 |   |      | 0v      |     |     |
 |  19 |  24 | GPIO.24 |   IN | 0 | 35 || 36 | 0 | IN   | GPIO.27 | 27  | 16  |
 |  26 |  25 | GPIO.25 |   IN | 0 | 37 || 38 | 0 | IN   | GPIO.28 | 28  | 20  |
 |     |     |      0v |      |   | 39 || 40 | 0 | OUT  | GPIO.29 | 29  | 21  |
 +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
 | BCM | wPi |   Name  | Mode | V | Physical | V | Mode | Name    | wPi | BCM |
 +-----+-----+---------+------+---+---Pi 3---+---+------+---------+-----+-----+

• For [Dragino RPI Lora][2] HAT
  pins configuration in global_conf.json

  "pin_nss": 6,
  "pin_dio0": 7,
  "pin_rst": 0

• For [LoRasPi][1] Shield
  pins configuration in file global_conf.json

  "pin_nss": 8,
  "pin_dio0": 6,
  "pin_rst": 3,
  "pin_led1":4

• For Uputronics Raspberry Pi+ LoRa(TM) Expansion Board pins configuration in file global_conf.json

  "pin_nss": 10,
  "pin_dio0": 6,
  "pin_nss2": 11,
  "pin_dio0_2": 27,
  "pin_rst": 0,
  "pin_NetworkLED": 22,
  "pin_InternetLED": 23,
  "pin_ActivityLED_0": 21,
  "pin_ActivityLED_1": 29,

Installation

Install dependencies as indicated in original README.md below then

cd /home/pi
git clone -b dual_chan_pkt_fwd_up_down https://github.com/bokse001/dual_chan_pkt_fwd
cd dual_chan_pkt_fwd
make
sudo make install

To start service, as root or sudo (should already be started at boot if you done make install and rebooted of course), stop service or look service status

systemctl start dual_chan_pkt_fwd
systemctl stop dual_chan_pkt_fwd
systemctl status dual_chan_pkt_fwd

To see gateway log in real time

sudo journalctl -f -u dual_chan_pkt_fwd

Configuration

Defaults:

• LoRa: SF7 at 868.1 Mhz and 868.3 Mhz
• Server: 40.114.249.243, port 1700 (The Things Network)

Please configure the global_conf.json file with your settigns like network interface, location, email and description.

Pictures

running daemon on Raspberry PI with uputronics Raspberry Pi+ LoRa(TM) Expansion Board

Original README.md below

Features

listen on configurable frequency and spreading factor SF7 to SF12 status updates can forward to two servers Not (yet) supported:

PACKET_PUSH_ACK processing SF7BW250 modulation FSK modulation downstream messages (tx)

Dependencies

• SPI needs to be enabled in the Raspberry Pi configuration menu (to start up use CLI command: raspi-config)
• Install WiringPi (GPIO access library – refer to: http://wiringpi.com/ ): sudo apt-get install wiringpi
• Run packet forwarder as root (sudo)

Connections

SX127x Raspberry PI 3.3V 3.3V (header pin #1) GND GND (pin #6) MISO MISO (pin #21) MOSI MOSI (pin #19) SCK CLK (pin #23) NSS GPIO6 (pin #22) DIO0 GPIO7 (pin #7) RST GPIO0 (pin #11) Configuration

Defaults:

LoRa: SF7 at 868.1 Mhz Server: 54.229.214.112, port 1700 (The Things Network: croft.thethings.girovito.nl) Edit source node (main.cpp) to change configuration (look for: "Configure these values!").

Please set location, email and description.

License

The source files in this repository are made available under the Eclipse Public License v1.0, except:

base64 implementation, that has been copied from the Semtech Packet Forwarder; RapidJSON, licensed under the MIT License. parson, copied from http://kgabis.github.com/parson/