Case study

DJI RC: reconstructing joystick values from DUML USB messages

DJI RC Joystick Bridge reconstructs the stick-value exchange of a locked DJI RM-series controller over its DUML USB interface. The Python client polls command set 0x06, command 0xf5, decodes four little-endian axes from the payload and exposes them as a Linux uinput gamepad.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 1
Last commit: 2026-06-15
Language: Lua
License (GitHub): GPL-3.0

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: Linux, Python 3, libusb, uinput access and a powered DJI RM-series controller with USB ID 2ca3:1023 are required.
Attribution: DUML framing and CRC routines are derived from dji-firmware-tools.
License: GPL-3.0 license.

Cite

BibTeX

@misc{dji-rc-joystick-case,
  title = {{DJI RC: reconstructing joystick values from DUML USB messages}},
  howpublished = {\url{https://github.com/gregszero/dji-rc-joystick}},
  url = {https://github.com/gregszero/dji-rc-joystick},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/dji-rc-joystick-case/}}
}

Plain text

DJI RC: reconstructing joystick values from DUML USB messages. https://github.com/gregszero/dji-rc-joystick (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/dji-rc-joystick-case/

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Primary sources

README.md GitHub · gregszero/dji-rc-joystick · Revision fc0dbff