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21 changes: 21 additions & 0 deletions LICENSE.md
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MIT License

Copyright (c) 2026 Cornell Hyperloop

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
103 changes: 103 additions & 0 deletions README.md
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<!-- Top-level project README for electrical-gui -->
# electrical-gui

[![Status](https://img.shields.io/badge/status-active-brightgreen)](https://gui.cornellhyperloop.com/)
![Python](https://img.shields.io/badge/python-%3E%3D3.11-blue)
![FastAPI](https://img.shields.io/badge/FastAPI-%5E0.115.0-informational)
![Frontend](https://img.shields.io/badge/frontend-React%20%2B%20Vite-61DAFB)

A modular suite for hub management, telemetry, and a modern web GUI for Hyperloop team operations. This repository contains the cloud services, Raspberry Pi hub server, web client, and related utilities used to run, test, and develop the system.

**Quick links**
- Cloud API: [cloud-services](cloud-services)
- Hub agent & server: [rpi-hub-server](rpi-hub-server)
- Browser UI: [web-client](web-client)
- Fallback relay: [wifi-fallback-relay](wifi-fallback-relay)

Anyone is welcome to view the live GUI at: https://gui.cornellhyperloop.com/

**Repository layout**
- `cloud-services/` — FastAPI backend for authentication, websockets, hub coordination, and telemetry storage.
- `rpi-hub-server/` — Edge service that runs on Raspberry Pi devices: serial/USB management, hardware command tasks, and a lightweight FastAPI/WS endpoint.
- `web-client/` — React + TypeScript single-page app (Vite) for live telemetry, device control, and charting.
- `wifi-fallback-relay/` — Small Python-based relay service for network fallback scenarios.

## Architecture

The system is split into three primary tiers:

- Cloud / API: central FastAPI application exposing REST endpoints and WebSocket hubs for realtime telemetry and command routing.
- Edge / Hub: Raspberry Pi agent that manages local serial devices, performs device tasks, and streams telemetry back to the cloud.
- Client: A TypeScript React app (Vite) that connects to the cloud WebSocket endpoints for realtime dashboards and control.

![Cloud service diagram](res/readme/cloud_service_diagram.png)

![RPI hub diagram](res/readme/rpi_hub_diagram.png)

![GUI diagram](res/readme/gui_diagram.png)

A short video of the GUI being used to operate our team's minipod is attached [here](res/readme/loophyper.mp4).

## Technical specifics

- Backend: `FastAPI` (>=0.115.0) + `uvicorn` for ASGI serving. WebSocket hubs use the `websockets` package and integrate with Pydantic models for typed messages.
- Auth: JWT-based tokens (see `cloud-services/src/api/auth.py`) with password hashing via `passlib[bcrypt]`.
- Data models: `pydantic` / `pydantic-settings` for config and runtime validation.
- Edge: `pyserial` for hardware serial connections, `psutil` for health metrics, configurable tasks and reconnect logic in `rpi-hub-server/src/tasks/`.
- Frontend: React 19 + TypeScript, built with Vite; key libs include `recharts` for charts and `zustand` for state.

## Local development

Prerequisites: Python 3.11+, Node 18+ (or matching versions used by your environment), Git.

Backend (example)

1. Create and activate a Python virtual environment in `cloud-services`:

```powershell
python -m venv .venv
.\.venv\Scripts\Activate.ps1
pip install -r requirements.txt
```

2. Run the cloud API locally (development):

```powershell
cd cloud-services
set ENV_FILE=.env.development
python -m uvicorn src.main:app --reload --host 0.0.0.0 --port 8000
```

Frontend

```bash
cd web-client
npm install
npm run dev
```

Edge / RPi

1. Install dependencies on the target device or in a venv under `rpi-hub-server` and configure `config/config.yaml` as needed.
2. Start the hub agent with: `python -m src.main` (or use the provided systemd units in `systemd/` for production).
3. (Optional) If no physical Raspberry Pis are avaliable there is a `mock_hub_simulator.py` script at [/tests](rpi-hub-server/tests/mock_hub_simulator.py)

## Tests & CI

- Python: `pytest` and `pytest-asyncio` are used across services. See tests in each service folder (e.g., `cloud-services/tests` and `rpi-hub-server/tests`).
- Frontend: TypeScript type checks and ESLint are enforced in `web-client` (see `package.json` scripts).

## Assets and visuals

Project visuals and diagrams used above live in `res/readme/`:

- ![res/readme/gui_telemetry_screenshot.png](res/readme/gui_telemetry_screenshot.png)
- ![res/readme/rpi_hub_server_real_photo.jpg](res/readme/rpi_hub_server_real_photo.jpg)
- [res/readme/cloud_service_diagram.png](res/readme/cloud_service_diagram.png)
- [res/readme/rpi_hub_diagram.png](res/readme/rpi_hub_diagram.png)
- [res/readme/gui_diagram.png](res/readme/gui_diagram.png)

## License

This project is licensed under the MIT License — see [LICENSE.md](LICENSE.md) for details.

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