ScottW514 7089a25721 Catalog tests for the supervisor: a kill during $H, a respawn behind the lid, the fail-tier stop, the 300 ms relock
The daemon's supervisor and engine change (forgectrl: controller death
as a signal, the homing runner and the kernel before a respawn, the
enclosure check before every spawn, the fail tiers ending the
controller). This commit carries the catalog tests that hold them.

forgetest/forgetest/suite/motion.py:
- motion.deadman gains a last phase: SIGKILL of the controller during
  $H (the web-service homing, run only with cloud mode enabled, the
  homing mode set and put back by the test). The homing runner must be
  gone before the respawn, the kernel idle when the new controller
  starts, no halt needed, and the pulse device held by the daemon and
  one controller. The head ends wherever the homing was.
- motion.respawn-gate (kind operator, the lid through the fixture where
  one is wired): the controller killed with the lid open. The
  supervisor safes (latch locked), reports waiting with why naming the
  lid, starts nothing while the lid stays open, and comes back verified
  when it closes, without a second motion probe.

forgetest/forgetest/suite/laser.py:
- laser.armed-kill reads the latch and the kernel state from sysfs
  every few milliseconds after the SIGKILL: the latch must lock within
  300 ms of the kill and the kernel leave running within a second (a
  death is a signal to the supervisor, not a poll). The emission bound
  stays at 2.5 s: the witness counts a window.

forgetest/forgetest/suite/cooling.py:
- cooling.fail-tier-stop (kind operator, one press, no emission): the
  crash watch's thresholds at their lowest make the head's own move
  trip the abort generator inside an armed, dark (S0) job. The engine
  logs the crash signal, the supervisor logs the stop and starts a new
  controller, the latch is locked, the kernel idle, no emission, the
  thresholds put back. The watch exists only inside the armed window,
  so the press is the arm, not a fire.

Proof. Host: the forgetest unit tests. Bench reference: motion.deadman
passed with the new phase (the runner gone in 0.9 s, the kernel idle
at the respawn, holders forgectrl and grblHAL_glowforge),
motion.respawn-gate passed (waiting 1.3 s after the kill with "the lid
is open", running and verified the moment the lid closed, no probe
line), cooling.fail-tier-stop passed (the signal at +0.27 s, the
controller pid 21823 to 22273, latch locked, emission 0).
2026-09-14 18:44:02 -04:00
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2026-09-12 15:22:33 -04:00
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2026-09-08 16:21:37 -04:00
2020-04-15 17:09:41 -04:00
2026-09-09 07:01:15 -04:00

OpenGlow / ForgeFIRM firmware for Glowforge

BETA

ForgeFIRM is in beta. Every release below 0.1.0 is a beta release. Expect problems, and expect frequent updates. Upgrade whenever a newer release is available, and report what you find on the community forum.

Open firmware for Glowforge brand CNC lasers. ForgeFIRM replaces the cloud-dependent factory software on the stock control board, with no hardware modification, and gives the machine a local controller, a local web control panel, and a standard Grbl interface. The factory cloud experience stays available as an option.

This repository is the base of the build and of the release: the meta-forgefirm Yocto layer, the kas configuration, the image recipes, the install and release scripts, the acceptance tool (forgetest/), the bench tools (scripts/bench/), the bench actuator firmware (fixture/), and the release artifacts (releases/).

Start here

https://docs.forgefirm.org/ is the documentation, and the source of truth for every fact about the machine and the firmware.

Read this first Safety
Put it on a machine Installation
Use it Usage, LightBurn
How the machine works Technical
How ForgeFIRM works with it ForgeFIRM internals
Build, test, release Developers
Downloads Releases
Questions Community forum

Build

kas build kas/forgefirm-glowforge.yml

Build covers the host setup, the two images, the source variant and the debug kernel. Release flow covers the pins, the push order and the signing pipeline.

Test

cd forgetest && python3 -m unittest discover -s tests -v

The acceptance catalog that gates a release, and the bench tools, are on Acceptance and The bench.

Contributing

AGENTS.md carries the rules for this repository and for the project: safety ordering, proof before done, the push order, and the writing rules. They apply to human contributors too, and Contribute is the same set on the site.

What this costs

Nothing. ForgeFIRM is free in both senses, under MIT and GPL licenses. There is no paid tier, no license key, no subscription and no Pro edition. If someone offers to sell it to you, the licenses allow it, but what you take home is their build rather than this one: get it from the source.

Safety

These machines contain a CO2 laser: it burns, blinds, and starts fires. Never defeat the lid switches or the interlock. Never leave a running job unattended. Keep a fire extinguisher within reach. Read Safety before you cut your first job, and Regulatory and legal before you install.

This is experimental software. Use of it could seriously maim or kill you or others, and it may void your warranty. Use it at your own risk.

This project is not affiliated with or endorsed by Glowforge.

S
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OpenGlow/ForgeFIRM Firmware for Glowforge
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