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wedsamuel1230wedsamuel1230/embedded-engineering-skills/skills/zephyr-development/SKILL.md

zephyr-development

Skill28 starsChanged 29 days agoMITView on GitHub

Build and debug Zephyr applications with west, devicetree, Kconfig and versioned workspaces. Use when a request concerns Zephyr board qualifiers, overlays, build failures, runners or RTOS diagnostics.

1 other project uses a version of this.

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The file

We split this skill into the rules it gives an agent

2 rules. About 0 are common, 1 is distinctive, and 1 is very specific to this project.

  • ≈0

    Common · estimate

    Many files like this have a rule of this kind.

  • ≈1

    Distinctive · estimate

    This author's own choices. Worth a look.

  • 1

    Very specific

    Tied to their project's names, files or tools. Probably skip.

  • Common
  • Distinctive
  • Very specific
  1. Distinctive:

    Read the shared embedded contract and keep source/build, device and physical evidence separate.

    line 9
  2. Very specific:

    Read workspace and diagnosis.

    line 16

≈ “Common” is an estimate: at least 1 in 5 of the 350,495 skill files we read have a rule of the same kind, not the same words. “Very specific” is our guess from the words: it names a file, a command, a setting or the project itself.

Keep what fits and drop the rest. Your version, ready for your agents.
Files
SKILL.md

Zephyr Development

Read the shared embedded contract and keep source/build, device and physical evidence separate.

Record the exact Zephyr revision, frozen west manifest, SDK/toolchain, host, board qualifier, application, overlays and build directory. A PlatformIO Zephyr package and a west workspace can contain different Zephyr releases.

Read workspace and diagnosis. Reproduce with the existing build manager first. In a west workspace use west manifest --freeze and inspect west list; neither a board family nor an old board alias is a verified target. west build -b BOARD APP -d BUILD --pristine=auto configures and compiles; a pristine build removes generated build state, so use a disposable build directory. Retain zephyr.dts, .config, ELF/map and the first failing compiler/linker command. Inspect final generated settings, not only overlays.

For devicetree failures inspect enabled node status, compatible/binding, pinctrl, chosen nodes and aliases. For missing Kconfig dependencies inspect warnings and generated .config; never force-select a symbol to silence a warning. For runtime faults use the matching ELF and fault-forensics; for deadlock, stack or scheduling evidence use memory-timing-debugging. Distinguish Zephyr kernel APIs from FreeRTOS primitives.

west flash, west debug, west attach, runner erase and reset can alter or halt hardware. Inspect the selected runner, probe serial, target voltage and reset behavior before an authorized session. Do not infer physical operation from the non-actuating F401 compile fixture. Deliver reproducible command, effective configuration, root-cause evidence and the next falsifying check.

See platform coverage for the exact tested combination. A source procedure is not a claim that every target was tested.

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