#
# Copyright 2018-2024 Clayton Smith (argilo@gmail.com)
#
# This file is part of gr-tenna.
#
# gr-tenna is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# gr-tenna is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
# along with gr-tenna.  If not, see <http://www.gnu.org/licenses/>.
#

gr-tenna

The goal of this project is to implement the goTenna Mesh protocol in GNU Radio. So far there are flow graphs for receiving and transmitting "Shout" messages using a USRP B200 or HackRF.

Installation

mkdir build
cd build
cmake ..
make
sudo make install

Usage

To receive messages using a USRP:

apps/gotenna_rx_usrp.py

To receive messages using a HackRF:

apps/gotenna_rx_hackrf.py

To transmit a shout message using a USRP:

apps/gotenna_tx_usrp.py --app-id=0x3fff --sender-gid=1234567890 --initials=XYZ --message="Hello world!"

To transmit a shout message using a HackRF:

apps/gotenna_tx_hackrf.py --app-id=0x3fff --sender-gid=1234567890 --initials=XYZ --message="Hello world!"

Protocol Buffers

If .proto files are updated, the corresponding Python code can be regenerated as follows:

protoc -Iprotobuf --python_out=python protobuf/gotenna_packet/proto/*.proto

Credits

This project builds on reverse engineering work done by Woody @tb69rr and Tim @bjt2n3904, and presented in the Wireless Village at DEF CON 25: https://www.youtube.com/watch?v=pKP74WGa_s0

reedsolo.py was written by Tomer Filiba and released into the public domain.