sjg/trx-rs

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sjg 7d20058c03

[chore](trx-rs): remove unused external ft8_lib

Delete the obsolete ft8_lib submodule and update documentation to point at the pure Rust trx-ftx decoder.

Co-authored-by: OpenAI Codex <codex@openai.com>
Signed-off-by: Stan Grams <sjg@haxx.space>

2026-03-18 22:44:35 +01:00

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CLAUDE.md

This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.

Commands

# Build
cargo build --release

# Run tests
cargo test

# Lint
cargo clippy

# Run a single test (by name pattern)
cargo test <test_name>

# Run tests for a specific crate
cargo test -p trx-core

# Generate example config
./target/release/trx-server --print-config > trx-server.toml
./target/release/trx-client --print-config > trx-client.toml

# Run server
./target/release/trx-server --config trx-server.toml
# or via CLI args:
./target/release/trx-server -r ft817 "/dev/ttyUSB0 9600"

# Run client
./target/release/trx-client --config trx-client.toml

Crate Layout

This is a Cargo workspace. All crates live under src/:

src/
  trx-core/           # Core types, traits, state machine, controller
  trx-protocol/       # Client↔server protocol conversion, auth, codec
  trx-app/            # Shared application helpers (config, plugins, logging)
  trx-server/         # Server binary (rig_task, audio, APRS-IS, PSKReporter)
    trx-backend/      # Backend abstraction trait + factory
      trx-backend-ft817/    # Yaesu FT-817 CAT implementation
      trx-backend-ft450d/   # Yaesu FT-450D CAT implementation
  trx-client/         # Client binary (connects to server, runs frontends)
    trx-frontend/     # Frontend trait (FrontendSpawner)
      trx-frontend-http/      # Web UI with REST API, SSE, and auth
      trx-frontend-http-json/ # JSON-over-TCP control frontend
      trx-frontend-rigctl/    # Hamlib-compatible rigctl TCP interface
  decoders/
    trx-aprs/         # APRS packet decoder
    trx-cw/           # CW (Morse) decoder
    trx-ftx/          # Pure Rust FTx decoder (FT8/FT4/FT2)
    trx-wspr/         # WSPR decoder
    trx-decode-log/   # Shared decoder logging (JSON Lines, date-rotated files)

Architecture

The project is split into a server (connects to the radio hardware) and a client (exposes user-facing frontends). They communicate over a JSON TCP connection (default port 4530). Audio streams over a separate TCP connection (default port 4531) using Opus encoding.

Data flow

Radio hardware
    ↕ serial/TCP
trx-server (rig_task.rs)
    ↕ trx-protocol JSON-TCP (port 4530)
trx-client (remote_client.rs)
    ↕ internal channels
Frontends: HTTP (8080), rigctl (4532), http-json (ephemeral)

trx-core controller

The rig controller (src/trx-core/src/rig/controller/) is the central state management component:

machine.rs — RigMachineState enum with states: Disconnected, Connecting, Initializing, PoweredOff, Ready, Transmitting, Error
handlers.rs — RigCommandHandler trait; commands: SetFreq, SetMode, SetPtt, PowerOn/Off, ToggleVfo, Lock/Unlock, GetSnapshot, etc.
events.rs — RigListener trait and RigEventEmitter for broadcasting frequency/mode/PTT/state/meter/lock/power changes
policies.rs — RetryPolicy (ExponentialBackoff, FixedDelay, NoRetry) and PollingPolicy (AdaptivePolling, FixedPolling, NoPolling)

Decoders

Signal decoders run as background tasks in trx-server, consuming decoded audio. trx-ftx provides the FT8/FT4/FT2 decoder in pure Rust. Decoded frames can be forwarded to PSKReporter and APRS-IS (IGate) uplinks, or logged via trx-decode-log.

Plugin system

Both trx-server and trx-client can load shared-library plugins exporting a trx_register symbol. Search paths: ./plugins, ~/.config/trx-rs/plugins, TRX_PLUGIN_DIRS env var.

Commit Format

[<type>](<crate>): <description>

Types: feat, fix, docs, style, refactor, test, chore. Use (trx-rs) for repo-wide changes. Sign commits with git commit -s. Write isolated commits per crate.

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