This release is a pre-release and may not be stable for production use.
FWS Console
An operator console for FWS, the REST + WebSocket gateway for Fairino collaborative robots.
Live telemetry, a 3D arm view, jogging, programs, I/O, force readout, fault decoding and the audit trail — served by the gateway itself, in any browser.
⚠️ This console is not a safety device. Its Stop button is a functional stop, not an emergency stop. Read the gateway's SAFETY.md before connecting anything to a robot.
Install
The console is an optional add-on. The gateway works without it; installing the console adds a UI, uninstalling it leaves the gateway exactly as it was.
pip install fairino-fws-console # pulls in fairino-fws
fws-console --simulator # no hardware needed
Open http://localhost:8000/console/. Every gateway flag works unchanged —
fws-console is fws plus a mounted UI:
fws-console # robot at 192.168.57.2
fws-console --robot-ip 192.168.58.2 # teach port
fws-console --check # validate configuration and exit
Why serving from the gateway matters
FWS deliberately ships no CORS middleware and binds to loopback only. A page served from anywhere else cannot call its API — and that is a feature, not a gap. The console therefore lives at the gateway's own origin: same process, same port, no CORS exception, no extra listener, nothing new to secure.
To use it from another machine, tunnel — as with the gateway itself:
ssh -L 8000:localhost:8000 user@<gateway-host>
What the panels show
Operator panels
| Panel | What it binds to |
|---|---|
| Operate | 10 Hz WebSocket telemetry, 3D arm view, joint/Cartesian jog, per-joint limit headroom |
| Faults | live fault state, searchable error-code table with the gateway's own caveat about firmware versions |
| Programs | the programs already on the controller — list and download each — plus upload with md5 verification, load, select, validate against the controller's own Lua compiler, run/pause/resume/stop |
| I/O | digital, tool digital and analog, read on demand |
| Force | wrist force/torque, sensor config, zeroing, activation, and the strategy boundary |
| Capabilities | the controller's available / absent / unknown feature matrix, with re-probe |
| Audit | who commanded what, when |
Developer panels
The gateway exposes 100 operations across 22 domains; the console reaches all of them.
| Panel | What it gives you |
|---|---|
| Develop | the whole edit → compile → run → watch loop in one view: the controller's program directory, a Lua editor (syntax highlighting, line numbers, Ctrl+S saves to the controller with md5 verification), compile-check, load, run/stop with the gateway's confirm flow, and a live strip — joints, TCP, force, fault — beside the code |
| Teach | capture live poses into a point store, generate literal-pose programs the gateway can pre-flight, read the controller's own taught points, move point tables whole, define tool and work object frames with current-TCP capture, and an honestly-labelled experimental drag-teach |
| Config | robot state, velocity, flange pose, tool and work frames, active frames, joint torques, gripper, payload, global speed, motion queue, IK pre-flight, point tables |
| Commands | the 594-command wire registry — filter by danger class and kind, read each command's wire arguments, arity, evidence basis and hazards, and invoke it with the policy matrix beside you |
| Lua | the 282-function controller catalogue, manual sections, the RPC↔Lua bridge, the argument-order conflicts, what this firmware is missing, and a box that compiles a snippet on the controller itself |
| API | every operation, generated from the gateway's own /openapi.json — filter, fill parameters, edit a JSON body built from the schema, send, read the response with timing, or copy the request as curl |
| Files | file kinds and their limits, controller filesystem browse/read, Lua compile verdicts, program version history, backup downloads |
| System | health warnings, boot/recovery layers with port state, versions, controller services, processes, qconn, the controller shell, and the guarded restart / reboot / shutdown paths |
The API panel is generated, not hand-written: an endpoint added to a future gateway release appears in this console without a change here.
The 3D view does not guess silently
There is no published, verified link geometry for these arms, and FWS never
hardcodes robot constants. So the console draws the arm from a declared
kinematic model and checks itself on every frame: it compares its own
forward kinematics against the TCP the controller reports and shows the
disagreement in millimetres. Against --simulator it reads 0.00 mm — the
model reproduces the simulator's kinematics exactly. Against real hardware it
will tell you honestly how approximate the picture is.
Development
No build step, no bundler, no CDN, no JavaScript dependencies. The UI is
plain ES modules in fws_console/web/, served by the gateway. Edit a file,
refresh the browser.
git clone https://github.com/ichbinmeraj/fairino-fws-console && cd fairino-fws-console
python3 -m venv .venv && .venv/bin/pip install -e .[dev]
.venv/bin/fws-console --simulator
That is deliberate: robot cells are often air-gapped, so every byte the console needs ships in the wheel.
Licence
Apache-2.0. An independent project, not affiliated with or endorsed by FAIR Innovation.
1 maintainer
Release files for fairino-fws-console 0.1.0a2
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