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README.md

OpenRTX

Modular Open Source Radio Firmware

OpenRTX is a free and open source firmware for digital ham radios, top-down designed with modularity, flexibility and performance in mind.

Currently OpenRTX is being actively developed for the following radios:

  • TYT MD-380/390 UHF versions only
  • TYT MD-UV380/390
  • TYT MD-9600
  • Radioddity GD77

This firmware is highly experimental and is not in a usable state right now, however contributions and testing are welcome and accepted.

For information on currently supported radios and features, see the Supported Platforms page on our website.

For hardware and software documentation visit openrtx.org

WARNING: DO NOT flash the OpenRTX firmware on an MD-380V(G) or MD-390V(G)! The codebase has not been fully tested on these devices.

Flash on MD-3x0 and MD-UV3x0

On TYT MD-3x0 and MD-UV3x0 you can flash our firmware using tarxvf's web based flashing tool.

  • Download the latest OpenRTX release for your radio from the releases page.
  • Connect your radio to the PC, put it in DFU mode (turn off, turn on pressing PTT and the button just above).
  • On linux, macOS and Android, open Chrome/Chromium and navigate to dmr.tools,
  • Click on "Upgrade", then "Connect Radio(s)", under "Select firmware file" choose "Upload from my computer",
  • Click on "Choose File", select the latest OpenRTX release you downloaded before, and click on "Upgrade Radio".
  • Reboot your radio

Compile and flash

For instructions on how to compile and flash OpenRTX to your radio, or just run OpenRTX on Linux see the Compilation instructions page on our website.

Screenshots

Contact

To reach out, come to our M17 Reflector or into our Discord Server.

Donate

To support the development of OpenRTX you can make us a donation using Liberapay.
If you want to donate some hardware to facilitate OpenRTX porting and development, contact us.

License

This software is released under the GNU GPL v3.

minmea is released under the DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE v2.

Code for STM32F405 USB driver is released under the MCD-ST Liberty SW License Agreement V2.

Disclaimer

This project was created for research and amateur radio use only, we are not responsible for improper uses of this code which might lead to unauthorized transmission, reception or patent infringments.

Credits

OpenRTX was created by:

All this was made possible by the huge reverse engineering effort of Travis Goodspeed and all the contributors of md380tools.

A huge thank goes to Roger Clark, and his OpenGD77 which not only inspired this project, but as a precursor, provided a working code example for the GD77 radio family.

Finally, a warm thank you goes to SP5WWP and the M17 community for bringing their libre protocol into our obscure undocumented hardware.