smithery/creatifcoding

renode-for-tmnl

Renode practices for TMNL with tmux, UART sockets, telemetry, and guardrails.

Installation

$ npx skills add smithery/creatifcoding --skill renode-for-tmnl

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Package contents

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  • skill md SKILL.md 2,487 B
  • docs SUMMARY.md 100 B

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SKILL.md

Renode for TMNL

When to Use

  • You need Renode setup, UART integration, or telemetry simulation.
  • You want a headless tmux workflow with UART and monitor panes.
  • You are writing or running .resc scripts for Renode.

Canonical Sources

  • Renode UART integration docs (CreateServerSocketTerminal, connector Connect).
  • TMNL scripts: embedded/renode/scripts/renode-init.sh.
  • Renode scripts: embedded/renode/nrf52840/nrf52840-telemetry.resc.

The Only Supported TMNL Path (Current)

Renode (headless) -> UART socket (TCP) -> nc (tmux pane) -> telemetry ingest

We use TCP UART sockets (not PTY) to allow nc everywhere.

Decision Trees

UART Exposure

Need UART access?
├─ Want nc everywhere?  -> CreateServerSocketTerminal (MANDATORY)
└─ Want PTY tooling?    -> CreateUartPtyTerminal (DO NOT for TMNL)

Renode Launch Mode

Running inside tmux?
├─ Yes -> renode-init.sh (MANDATORY)
└─ No  -> renode --disable-gui -e 'i @script.resc' (ALLOWED)

DO NOTs (Strict)

  • DO NOT use PTY UART for TMNL. Use TCP sockets + nc.
  • DO NOT start Renode with GUI when running in tmux.
  • DO NOT rely on ad-hoc commands. Use .resc scripts.
  • DO NOT mix registries or ports without documenting overrides.

Guardrails (Mandatory)

  • Always pass --disable-gui for headless runs.
  • Always expose UART with CreateServerSocketTerminal.
  • Always use connector Connect <uart> <socket>.
  • Always pin ports in the script (default: 5501).

Highly Suggested

  • Keep Renode in tmux session tmnl-renode.
  • Keep three windows: renode, uart, console.
  • Use nc for both UART and monitor.

Standard Commands

Start headless Renode + UART + monitor in tmux:

embedded/renode/scripts/renode-init.sh

Attach:

tmux attach -t tmnl-renode

UART socket (default):

nc 127.0.0.1 5501

Monitor socket (default):

nc 127.0.0.1 1234

Pitfalls

  • If UART appears silent, ensure firmware is loaded and connector Connect is present.
  • If nc shows no output, check Renode monitor for UART traffic.
  • If multiple Renode sessions run, port conflicts will be silent. Use one session.

Files to Edit

  • embedded/renode/nrf52840/nrf52840-telemetry.resc
  • embedded/renode/scripts/renode-init.sh
  • embedded/renode/README.md