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The doc carried its own rename instruction for when the branch gained a number;
the branch is PR #3836.
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Four writers produce hil_report.md and three of them write no JSON - the no-boards
exit, the pool-guard fallback and _abandon_exit's text prepend. Those are exactly the
runs that failed, so hil_summary.py, which builds an agent's per-board verdicts from
the sidecar, sees nothing while a human reading the markdown sees the real story. The
scope note is markdown-only too, so a three-board PR run and a full run that lost 24
boards are indistinguishable in JSON.
Five tasks: put scope in the sidecar, render the markdown from the document, give the
two early-exit paths a document, make _abandon_exit set a caveat field instead of
prepending to a file it did not write, then pin the invariant that re-rendering the
JSON reproduces the markdown byte for byte. Split out because it is a hil_test.py
reporting refactor, and the abandon path runs while the interpreter is being torn
down - it deserves its own review.
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Nothing checked the agents, workflows and skills against the code they describe, and
the surface had drifted into stating incompatible rules. This records the protocol
that found the defects and what it cost.
Method: parallel subagents extract every falsifiable claim into JSONL ledgers; a
validator re-reads each cited line and rejects any ledger whose quoted text is not
there, so an extractor that paraphrases or hallucinates fails a script rather than
reaching the verification queue - 1,387 claims, zero such failures. Verification runs
only in the main session, and the same gate pointed at `citation` then checks the
verifier's own work. Hard-earned evidence is source of truth: code is authoritative
about code, experience about hardware, so claims get a fourth verdict, EARNED, and
"no backing found" is never grounds for deletion. All 1,387 claims carry a verdict;
the behavior sweep deliberately never emits CONFIRMED from a token match, because
finding a claim's vocabulary proves presence, not truth.
Every real defect came from cross-document comparison - none from any mechanical
pass. A path-existence lint was built, measured (11 flags on the audited tree, all
false positives, and the target defect is lexically identical to correct text
elsewhere), and rejected; recorded so nobody rebuilds it.
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ERR050101: while an isochronous IN endpoint is active, an IN token addressed to
that same endpoint number on ANOTHER device sharing the host can silently
unprime one of this device's OUT endpoints - control, bulk, interrupt or
isochronous alike. NXP states it cannot be detected by software and raises no
interrupt, so the endpoint simply stops answering and the transfer never
completes.
The workaround is a uniqueness requirement rather than a particular number: the
isochronous IN endpoint must not share its number with any IN endpoint in use on
the bus. One family-wide constant therefore defeats it, since two affected
boards on the same hub then pick the same number and each becomes the other's
aggressor. CFG_TUSB_MIMXRT1XXX_ERRATA_ERR050101 is set only for the parts whose
errata list it - RT1015, RT1020, RT1024 and RT1050, where it is marked no fix
scheduled, plus RT1060 and RT1064 rev A - so RT1010 and the RT11xx family keep
the ordinary number and cannot collide with an affected board beside them.
Several affected boards on one hub can still be given distinct numbers with
-DEPNUM_ISO_IN.
The guard covers every example that has an isochronous IN endpoint: audio_test,
audio_4_channel_mic, uac2_headset, cdc_uac2, usbtest, video_capture and
video_capture_2ch. The video examples move the endpoint only when streaming
isochronously, since the bulk configuration is unaffected, and video_capture_2ch
takes two numbers because it has two streams.
The macro name follows CFG_TUSB_RP2_ERRATA_E2/E4/E15 already in tree, and its
is fixed, and which cannot be told apart at compile time - a way to define it to
0.
device_issues.rst records ERR050101 against every affected part with a link to
each errata sheet, and adds the LPC55S2x USB.3 speed-detection and USB.5
isochronous IN entries, neither of which TinyUSB works around. The branch's
design notes are included under docs/superpowers.
Verified: 340 wedge-free runs on mimxrt1064_evk, which previously wedged within
hours, and the macro resolving to endpoint 0x87 on mimxrt1064_evk against 0x83
on mimxrt1010_evk and stm32f407disco.
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Records the convention in CLAUDE.md -- deferred work is a SEPARATE scope that deserves
its own PR, written by another session, so it is handed off as a writing-plans doc in
docs/superpowers/followup/pr<NNN>-<topic>.md rather than accumulated in the PR that
found it.
Five handoffs from #3803: flasher_recover (convoy-safe recovery for J-Link boards, seven
validated on the rig), the blindness reporting gaps, the usbtest recovery reserve, the
IAR re-run spec, and the pci-rebind stranding question. Each carries what is already
established with its citations and measurements, what remains, and why it was split out.
One doc per follow-up, not one per PR: a per-PR file invites unrelated work into the
same document and rots as a unit.
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Two things the rig taught us that the old guidance got wrong.
A usbfs ioctl wedged in D state cannot be freed on a running kernel. It holds
the device lock, so usb_disconnect() blocks behind it; reboot(2) walks
device_shutdown() and takes the same lock, so every userspace reboot stalls too.
Only sysrq b (emergency_restart, which skips device_shutdown) or hypervisor
action clears it -- all cited to the kernel source. The recovery ladder is
generic across rigs now (ci.lan, hifiphile, a bench PC) and ends at hypervisor
escalation only where host access exists. Two claims are corrected outright:
JLinkExe is NOT convoy-safe, and a park-flash cannot free a device-lock owner.
The hil skill's banner list is what an operator agent matches a report against,
so it enumerates the banners that actually exist, including the D-state note --
which is explicitly NOT a wedge, since a healthy in-flight testusb is
uninterruptible for most of every case and a concurrent CI battery would
otherwise turn a clean run red.
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A wedged USB device used to take the whole HIL run with it. Every worker that
touched the poisoned node blocked uninterruptibly, the pool could not be joined,
map_async discarded every board's result, and the job ran to the GitHub ceiling
with no report at all -- while the self-hosted runner's single job slot stayed
occupied and every queued job waited behind it.
Bound the calls a worker makes itself. read_sysfs, bounded_open and run_cmd all
answer within a wall clock; read_sysfs distinguishes "absent" from "unknown",
because a blocked read is not evidence of absence, and caps stranded readers at
four (each costs a thread and an fd for the life of the process) after which the
worker declares itself blind. mtype, the gio unmount, the libmtp session and the
arecord/iperf reaps go through those bounds; the MTP session runs in a disposable
subprocess, since libmtp's ctypes calls block unkillably in D state.
Bound the run. A pool guard (HIL_POOL_TIMEOUT, 60 min) fires before any job
ceiling and still writes a report. When the pool will not shut down, the sweep
kills what the workers spawned -- descendants, not just direct children, since
flashers run in their own session -- confirms each kill actually landed, and
exits early so the runner is freed. Whatever survived is named in the report.
Deliberately shallow past that point. We do not re-scan process groups, prove
pid ownership, or escalate through sudo: a root-owned survivor is reported, not
force-killed, because signalling a pid we cannot prove is ours is the worse
failure, and the job ceiling backstops whatever this misses. A D-state holder
was never killable anyway.
Recover instead of reporting a wedge. A HUNG usbtest case reflashes its own DUT
through its roster flasher, but only where the flasher can reach its probe past
a poisoned node -- openocd pinned to a validated vid_pid, or esptool. Where it
cannot, the run says so rather than reserving budget for a path that cannot fire.
Raise the CI ceilings above the pool guard so the guard fires first and still
writes its report, and pin --retry 1 on every HIL leg: the guard is a flat
constant and does not scale with max_retry, so argparse's default of 3 would
triple the serialized usbtest tail against an unchanged guard.
Split the module: execution in hil_test/hil_flash/usbtest, infrastructure in
helper/ (locking, health, selection, shared bounded IO), and the two matrix
generators into .github/scripts/ -- ci_set_matrix.py sat in workflows/, where
GitHub treats every file as a workflow definition. 193 tests cover the bounded
paths, the kill ladder, the guard and the selector against synthetic /proc trees
and PATH-injected fakes; a real wedge cannot be manufactured on demand.
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hil, ci: scope HIL builds and tests to the boards a PR affects
Add test/hil/hil_select.py, a stdlib-only selector that maps a PR diff to the
rig boards, tests and BSP families a change can affect, and wire it into CI so
pull requests build and run only those. A port change picks its families' boards,
a class change picks the examples enabling that class, and device/host changes
prune the other role. Anything unclassified — infra, an unmapped port, a selector
error — falls back to the full matrix, and push/schedule runs are untouched.
Move the shared example lists to hil_examples.py; 54 hardware-free tests cover
the rules.
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probes (#3794)
test/hil: add board-pool health check, split hil_test into focused modules (#3794)
Add test/hil/hil_pool_check.py: per-board rig health scan — probe presence,
light-example flash (dfu_runtime; device_info + serial check for host-only
boards), uid re-enumeration, safe recovery (probe authorized-toggle, board
reset), verified board_test re-park, USB topology report, and a markdown
summary table. Missing firmware is built on the spot (tools/build.py, idf.py
for espressif, one get_deps retry); row statuses: ok, flash-failed, failed,
locked. Board locks are always respected, never bypassed.
Refactor hil_test.py into hil_lock.py (flock protocol, controller permits,
hold/release/status CLI; replaces board_lock.py) and hil_flash.py (flashers,
find_firmware, run_cmd). Update WCH probe uids and the board roster in
tinyusb.json; add the hil-pool-check skill.
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The plan doc records why the fork exists and how each vendor source was
ported; the interim handoff it superseded is dropped.
CLAUDE.md: a new worktree should symlink the dependency dirs to the
primary checkout rather than re-fetching them, replacing a single
symlink only when the branch needs a different dep revision. Also allow
'linke' in codespell - WCH-LinkE is a product name.
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docs(skills): debug-skill overhaul — role-neutral capture model, verified debugger arsenal, Espressif backend
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- target-debug: fault frame lives on PSP when EXC_RETURN bit2 set (FreeRTOS
tasks) — decode LR before choosing $msp/$psp (Codex; valid, our verify
happened to fault on MSP)
- esp-target-debug: show the Xtensa gdb for S3 in the attach recipe; clarify
adapter serial = USB-SJ iSerial (colon MAC, hardware-verified) vs the
CP2102N flasher uids in tinyusb.json (Codex; second half of the finding
had the identifiers inverted)
- esp plan: align serial form with the verified command; record the real
console-gate outcome (UART0, USB-SJ console untested) (Copilot)
- target-debug plan: Task 4 now consistently $JB/ARMv7-M matching the
executed JLinkExe path (Copilot)
- drop IDE-local .idea files swept in by the rename commit (Copilot)
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Spec (brainstormed): own-skill backend decision, PHY-conflict map, six
verification gates, external-JTAG TODO. Plan executed same-day: all gates
run on the rig; apptrace resolved per its own gate rule as (untested).
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table integration
- Vector catch + Cortex-M fault autopsy, verified with a deliberate bad-load
on stm32f407disco: CFSR=0x8200 (BFARVALID|PRECISERR), BFAR = exact bad
address, stacked pc addr2lined to the faulting line; gotchas recorded
(stale FPB comparators fire phantom SIGTRAPs — scrub first; arm DEMCR
after reset; loads precise / stores imprecise; ARMv6-M has no CFSR/BFAR)
- SWO exception trace + hw PC sampling gate PASSED on F407: 680 KB of
packets in 3 s (0x17 PC samples in flash range, 0x0E SysTick enter/exit);
JLinkSWOViewerCL decodes stimulus only — raw SWORead is the recipe;
SWOStart needs an explicit speed headless
- verifybin 'Verify successful.'; FreeRTOS -rtos plugin lists all 6
cdc_msc_freertos tasks after a run->stop cycle (plain attach = 0xDEAD
placeholder); semihosting anti-note; monitor-mode pointer (untested)
- Intrusiveness table gains the new rows; agent playbook bullet updated;
retrieval gate 5/5 with a fresh reader; executed plan committed
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- getting_started.rst: the reST inline-link markup rendered literally
inside the code-block (not a runnable command) and lacked sudo — use a
plain `sudo cp examples/device/99-tinyusb-examples.rules ...`.
- tools/88-tinyusb.rules: normalize the six MODE="666" entries to the
4-digit octal MODE="0666" used everywhere else in the file.
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Fourth view in the USB debugging toolset (usbmon = host URBs, usb-debug =
host reasoning, usb-target-debug = device firmware, usb-sniffer = what
actually crossed D+/D-). Covers the ataradov/usb-sniffer analyzer:
headless pcapng capture (--speed ls/fs/hs, --fold, --limit self-exit),
Wireshark/tshark analysis recipes, and the wire realities that bite:
downstream broadcast, sniffer self-capture noise, xHCI devnum != wire
address, tap-point-dependent reset visibility (hub choreography anchors),
FS-behind-HS-hub splits. Every recipe hardware-validated on the rig,
including the capture-window floor (a 3 s window provably misses the
enumeration ladder; 3M packets minimum).
Two udev files with distinct audiences, not one:
- examples/device/99-tinyusb-examples.rules (renamed from 99-tinyusb.rules):
the user-facing rules the examples need — cafe VID access, hidraw, the
ModemManager blacklist, a couple of board probes. getting_started.rst,
the webusb_serial README and its source comment point here.
- tools/88-tinyusb.rules: the HIL rig's private probe/analyzer allowlist,
now with the sniffer (6666:6620 + blank FX2LP 04b4:8613). Installed on
the rig only; the usb-sniffer skill references it.
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Opus-tier agent charter for backgrounding a long hardware debug session:
instrument -> build -> flash under one held board lock -> dual-side
capture -> correlate -> refine, strictly one instance, skills as source
of truth (usb-target-debug, usbmon, usb-debug, usb-sniffer, usb-recover,
hil). The charter encodes what dogfooding established:
- diagnosis standard: evidence must show the mechanism, or a fix must
flip the ORIGINAL failing case on hardware; stop after two
evidence-free cycles and hand back a partial diagnosis
- lock cadence: hold for the whole session, release around hil_test.py
runs (it self-locks per board)
- revert semantics: "fix stays, probe goes, re-verify clean" —
instrumentation reverted, candidate fix left uncommitted and
re-verified on a clean build, pristine firmware reflashed before
lock release
Returns a machine-parseable diagnosis report including ruledOut[] —
disproven hypotheses are deliverables. Spec roster updated (opus/xhigh,
effort requested per agent() call).
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Completes the debugging toolset (usbmon = what the host exchanged,
usb-debug = why the host acted, usb-sniffer = what crossed the wire):
TU_LOG/RTT capture, per-probe GDB autopsy without reset, RAM ring-buffer
event trace, J-Link DWT_PCSR PC-sampling, dual-side capture posture, and
board-lock rig discipline. Includes the implementation plan it executes.
Hard-won warnings baked in from real bring-up sessions: volatile ring
buffers vs -Os dead-store elimination, RTT NO_BLOCK_SKIP post-mortem
limits (no overwrite mode exists), DHCSR validity anchors for register
snapshots, release-lock-before-hil_test, and that a marginal just-recabled
link can fake a deterministic firmware bug.
Also ignore .claude/worktrees/.
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Confirmed by a 10-finder / 28-verifier adversarial review pass:
board_lock.py — the flock is now the sole authority: drop cmd_hold's
pid-liveness pre-gate (a live hil_test.py pool worker's stale record no
longer blocks a genuinely free board); cmd_release probes the flock and
only signals a verified holder, refuses to kill hil_test.py holders
(CI mid-test), handles PermissionError; the holder daemon truncates its
lock records on SIGTERM and keeps the success pipe clear of fds 0-2
(closed-stdio hold used to leave an orphan holder while reporting
failure); --config default resolves beside the script.
hil_test.py — truncate the lock record on per-board release (pool
workers outlive their flocks); warn instead of silently failing open
when the lock dir is unusable; error out on -b names absent from the
config (was a silent zero-test exit 0, readable as a green HIL run);
drop an emptied board row in accumulate_report (variant boards left a
blank ghost row).
workflows — remove the stray positional arg that made the validate size
stage exit 2 on every run; wrap JSON.parse(args) in all six scripts;
factor pr-babysit's drifted reply recipe into postReplyRecipe and dedup
refutation replies across cycles; validate args.pr and maxCycles;
driver-review rejects an empty dimensions list; hil-validate drops a
dead guard clause and retries diagnostics with -v -r 1.
agents/docs — port-dev scopes git clang-format to its own files
(concurrent workers reformatted each other in shared checkouts);
hil-operator/hil skill wording matches actual fail-fast output; the
implementation plan is now a DO-NOT-EXECUTE historical record (banner +
checked boxes) so plan-executing agents cannot revert shipped files.
Verified: lock storm 1-winner-in-10, stale-record hold, closed-stdio
hold, dead-pid cleanup, CI-holder refusal, ghost-row 4-scenario merge,
unknown-board exit 1, py_compile + check.sh on all six workflows,
pre-commit clean.
Co-Authored-By: Claude Fable 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Upj4hta5TNoAbidqeC1zZ6
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Review-fix batch (owner-confirmed) on the multi-agent harness:
- board_lock: detach holder stdio so a captured `hold` cannot hang on the
daemon's inherited pipe; probe locks by holder-pid liveness instead of a
momentary flock, which could spuriously fail a concurrent acquirer
(storm-tested: 1 winner in 10, 0/15 acquire failures under probe storm)
- hil_test: locked board renders a visible board-locked fail row so the
report matches the exit code; stale marker cleared on a real re-run
- pr-babysit: autoPush now opt-in (default dry run); resolve recipe
paginates reviewThreads; post-push resolve gets issue-comment fallback
- validate: size stage honors non-default base via --base-branch; pvs
stage delegated to the new agent
- new static-analyzer agent (sonnet): PVS-Studio SAST+MISRA for one
board, structured findings gated on files changed vs base
Co-Authored-By: Claude Fable 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Rn1AN5DsTdFhRwhugfgKZi
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Add worker agents (builder, port-dev, driver-reviewer, hil-operator,
pr-monitor), deterministic workflows (validate, fanout-dev, driver-review,
hil-validate, full-check, pr-babysit) and a /pre-pr gate skill, so sessions
can fan build/test/review/PR-triage work out to tiered subagents. pr-babysit
drives a PR to green: triage CI + bot reviews, fix validated findings, verify,
push, and reply-to + resolve each inline review thread (fixed or refuted).
Replace the stop-the-runner HIL discipline with per-board flock locks:
test/hil/board_lock.py plus a fail-open guard in hil_test.py let CI and dev
sessions share the rig per board (locked boards fail fast and re-run;
HIL_NO_BOARD_LOCK=1 is a user-authorized bypass). The actions-runner is
never stopped.
Design spec, implementation plan, and real-rig smoke evidence under
docs/superpowers/.
Co-Authored-By: Claude Fable 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_01Rn1AN5DsTdFhRwhugfgKZi
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* docs: convert changelog release notes from RST to Markdown
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Relocate docs/info/changelog/ -> docs/changelog/ (docs/info held only the
changelog) and update all references: the toctree, README + MAINTAINERS links,
make_release.py, and the make-release skill.
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
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Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
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- restore MAINTAINERS.rst (drop the .md); make the changelog link absolute so it
resolves both on GitHub and in the rendered docs
- docs/maintainers.rst includes the root file (same pattern as README) and is
wired into the Documentation toctree
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
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- changelog: fix 3 silent RST mis-renders carried over from the old monolith
— Markdown link in 0.7.0, mismatched/single backticks in 0.18.0 / 0.20.0
- make-release skill contributors one-liner: parallelize the gh fetch, anchor
the bot filter (was a substring that dropped handles like "abbott"), and join
with ", " (paste -sd cycles the delimiter -> "@a,@b @c"); finalize now stages
only the reviewed set (git add -A -- ':!.idea'); drop the obsolete CRLF gotcha
- make_release.py: emit LF not CRLF in the repository.yml insertion (fixes the
gotcha at the source)
- docs sidebar: drop the hardcoded furo component list; override brand.html to
include furo's own template + the sponsor button (decoupled from furo
internals, no upper-bound pin needed); move sponsor styles into custom.css
- .pre-commit-config.yaml: drop stale end-of-file-fixer excludes for the
deleted contributors/CoC include shims
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
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- make-release skill: stage new files with git add -A in finalize, use
unprefixed release tags (X.Y.Z), and run validate build steps in subshells
so the cwd doesn't leak between commands
- docs/requirements.txt: require furo>=2025.12.19 so the sidebar component
list in conf.py (incl. variant-selector.html) is always available
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
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- README: restore the separate CH32V103 / CH583,CH582 rows in the Supported
CPUs table — the merged row wrongly applied "ISO data loss [2]" to CH583/2
- Fix typos in historical changelog entries (santiy, Venndor, dynamnic, bagde,
masstorage, techinical, walkaround, "Update Update") flagged by Copilot
- Replace the AGENTS.md Release section with a pointer to the make-release
skill; add a Finalize step (maintainer commit/tag/push + GitHub release) to
the skill so nothing is lost
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
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Release:
- Bump version to 0.21.0 and regenerate tusb_option.h, library.json,
repository.yml, sonar-project.properties, boards.rst, dependencies.rst
- Add 0.21.0 release notes and split the changelog into per-release files
under docs/info/changelog/ (date out of title, driver/class groups as
sub-headings, DCD & HCD section after Device/Host stacks)
Contributors:
- Credit each release's PR authors in a Contributors section
- Drop the curated contributors page; add MAINTAINERS.rst
Docs:
- Update Code of Conduct to Contributor Covenant 3.0 (keep it in the repo,
remove it from the built docs)
- Sidebar: add a home entry, rename the group to "Documentation", move
Changelog into it, add a GitHub Sponsor button, merge external links,
rename FAQ; hide the inline toctree on the landing page
- Add the make-release skill and update the AGENTS.md release process
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
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docs: add build-doc tooling and a README for every example
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- Order CFG_TUH_DEVICE_MAX before CFG_TUH_HID in the host config snippets
(cdc_msc_hid, hid_controller) so the documented snippet has no forward
macro reference when copied into tusb_config.h.
- Fix stale `examples.rst` references: the generator now writes per-group
`docs/examples/<group>/index.rst` pages, so update the conf.py comment and
the build-doc SKILL.md accordingly.
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
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Documentation tooling:
- Add the `build-doc` skill and `tools/build_doc.py` wrapper for local
Sphinx builds (clean / -W / open).
- Enable Markdown (MyST) in conf.py and auto-collect
examples/{device,host,dual}/*/README.md into a 3-level Examples nav
(Examples > Device/Host/Dual > example), noting each page's source
location and normalizing headings to a single H1.
- Remove the stale `.claude/commands/build-doc.md`; point the AGENTS.md
Documentation section at the skill.
Example docs:
- Add a README.md for every device/host/dual example: what it does, USB
interface table, notable tusb_config.h settings, generic CMake + Make
build steps, and how to try it.
- Fold each *_freertos variant into its base README, noting the FreeRTOS
source path and any RTOS-specific behavior.
Generated docs/examples/ output is git-ignored. Builds clean with
`sphinx-build -W`.
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
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Signed-off-by: HiFiPhile <[email protected]>
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The BSP family and MCU option were named "ch58x"/"CH58X", but the supported part is
the CH583/CH582 (and the SDK repo is openwch/ch583); CH585 is a separate MCU family,
so the CH58x umbrella was misleading. Rename to the specific family:
- hw/bsp/ch58x -> hw/bsp/ch583 (dir), and the BSP-local files ch58x_it.* ->
ch583_it.*, system_ch58x.* -> system_ch583.* (include guards/refs updated). The
vendor SDK files (CH58x_common.h, CH58x_*.c in hw/mcu/wch/ch583) keep their names.
- OPT_MCU_CH58X -> OPT_MCU_CH583 in tusb_option.h, tusb_mcu.h, and the shared WCH
USBFS driver (ch32_usbfs_reg.h, dcd_ch32_usbfs.c). OPT_MCU_CH582 is kept as an
alias (same value), so either name selects the same code.
- FAMILY_MCUS CH58X -> CH583, CFG_TUSB_MCU=OPT_MCU_CH583, mcu:CH58X -> mcu:CH583 in
the example skip lists, the CI build matrix (ci_set_matrix.py), the get_deps family
tag, and docs/reference/boards.rst.
Board names (ch582m_evt, yd-ch582m) are unchanged. Verified: make + cmake build for
ch582m_evt, and ci.lan HIL (all device examples pass).
Co-Authored-By: Claude Opus 4.8 (1M context) <[email protected]>
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# Conflicts:
# README.rst
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Restore original "Other types of transfers are not affected" statement,
removing the conditional USBHS_INT_BUSY_EN / USBFS-unconfirmed wording.
Co-authored-by: Zixun LI <[email protected]>
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- Remove duplicate toctree entry for reference/device_issues from docs/index.rst
(already included via docs/reference/index.rst)
- Fix WCH section title: CH32V10X/CH32V20X/CH32V30X → CH32F20x/CH32V20x/CH32V30x
to match the three actual README table entries (CH32F20x, CH32V20x, CH32V305/307)
- Update README anchor links to match the renamed section
- Qualify USBFS non-ISO transfer safety claim: USBHS is protected by
USBHS_INT_BUSY_EN but USBFS behavior is not yet confirmed
- Fix LPC54600 note: "read errata" → "see device issues"
- Remove "totally" from LPC54600 description
Co-authored-by: Ha Thach <[email protected]>
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Signed-off-by: HiFiPhile <[email protected]>
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Signed-off-by: HiFiPhile <[email protected]>
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Signed-off-by: HiFiPhile <[email protected]>
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Signed-off-by: HiFiPhile <[email protected]>
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Signed-off-by: HiFiPhile <[email protected]>
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packet api
Signed-off-by: HiFiPhile <[email protected]>
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Host driver (midi2_host.c):
- midih2_open() now returns actual parsed length instead of max_len,
preventing composite device interface conflicts
- Parsers (alt0/alt1) refactored to return const uint8_t* end pointer
following midi_host.c switch/case pattern
- Alt 1 CS Endpoint now parses MIDI 2.0 layout (bNumGrpTrmBlk at
offset 3 with MIDI_CS_ENDPOINT_GENERAL_2_0 subtype check) instead
of reusing MIDI 1.0 struct (bNumEmbMIDIJack)
- midih2_set_config() now issues SET_INTERFACE control request via
tuh_interface_set() before completing configuration. Falls back to
alt 0 if SET_INTERFACE fails
- Extracted midih2_set_config_complete() and midih2_set_interface_cb()
for async SET_INTERFACE handling
Device driver (midi2_device.c):
- midi2d_open() skip loop now checks bInterfaceNumber, stopping at
interfaces that belong to other functions in composite devices
- SET_INTERFACE handler now rejects alt > 1 (returns false/stall)
- Named constants for GTB descriptor types and MIDI protocol values
Descriptor macros (usbd.h):
- TUD_MIDI2_DESC_ALT1_HEAD: iInterface set to 0 (consistent with
Alt 0), wTotalLength now uses TUD_MIDI2_DESC_ALT1_CS_LEN to cover
all Alt 1 class-specific descriptors
- TUD_MIDI2_DESC_ALT1_EP: now accepts GTB ID list via variadic args,
emitting complete CS endpoint descriptor
Host example:
- CMakeLists.txt restricted to rp2040 family (display.c requires
Pico SDK headers)
- display.c: null terminator after strncpy in log scroll
Documentation:
- class_drivers.rst updated to reflect SET_INTERFACE behavior and
auto-select with fallback
Addresses: Codex P1 (#1, #2, #3), Copilot (#4-#9)
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Add unit tests for MIDI 2.0 drivers:
- Device: UMP word count (all 16 message types), descriptor macro
validation (length, byte layout, alt settings, endpoints),
CS endpoint subtypes, traversal integrity
- Host: UMP word count, callback struct validation, CS endpoint
subtypes
Also add Sphinx documentation for MIDI 2.0 class drivers (Device
and Host API reference, lifecycle, configuration, examples).
Tests: 60/60 PASS (FIFO 26/26, USBD 5/5, MIDI2 Device 18/18,
MIDI2 Host 6/6, USBD internal 5/5)
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