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A bus reset was detected only from the port change that ends it, which is late:
the manual asks the DCD to clear the endpoint semaphores, cancel every prime and
free the dTDs while the reset is still being driven. Enable the reset interrupt
and do all of that there, in the manual's order (IMXRT1060RM 42.5.6.2.1,
p.2394), including the two steps that were missing - confirming the port is
still being reset, and freeing the dTDs. A failed check means the cleanup
arrived late and the controller may be in an undefined state, so the manual's
remedy is carried out rather than noted: a controller reset, followed by the
full re-initialisation it then requires, since the reset detaches the device.
The port change that ends the reset is left with what the manual gives it, the
negotiated speed, which the new BUS_RESET_END event carries. A port change is
classified by the interrupt that preceded it: a suspend raises no port change of
its own, the resume that ends it does.
Every unbounded register spin is now bounded. They waited on bits the hardware
clears within a frame, but each could hang an interrupt handler outright on a
controller that had stopped responding. The endpoint flush follows all three
steps of IMXRT1060RM 42.5.6.6.5 (p.2413), repeating a flush the controller
refuses while a packet is in progress - previously reported as success.
EP0 setup handling is hardened alongside: the payload is copied out of the queue
head through the volatile qualifier before ENDPTSETUPSTAT is cleared, since that
clear releases the setup lockout and a back-to-back setup can overwrite the
buffer immediately after, and C orders volatile accesses only against each
other, so a plain memcpy may legally be sunk past the store.
There is deliberately no unplug detection. IMXRT1060RM 42.7.31 (p.2470) states a
zero Current Connect Status means the device "did not attach successfully or was
forcibly disconnected by the software writing a zero to the Run bit ... It does
not state the device being disconnected or suspended", so a cable pull raises no
port change at all; VBUS via OTGSC is the manual's disconnect indicator and is
board dependent.
Verified on mimxrt1064_evk: 30 forced bus resets each re-enumerating at high
speed with no descriptor errors, plus repeated full usbtest batteries at 30/30
across the series.
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Replace the duplicated per-MCU dispatch in dcd_init/hcd_init and the two
helper flavors (USB_Type access on iMX RT, raw offset 0x90 on LPC18/43)
with one SBUSCFG register field plus a per-header CI_HS_SET_AHB_BURST()
hook, compiled only where defined. The LPC USB0-only policy is now
visible at the macro definition.
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- dcd_edpt_stall flushes the primed buffer (ENDPTFLUSH), but the aborted
transfer's dQH overlay can be left ACTIVE with mid-transfer state; the
next prime after clear-halt then resumes the stale overlay instead of
loading the fresh qtd, so post-halt IN reads return mid-buffer data
(usbtest case 13 'buf[32] = 56 (not 0)', with case 18 failing
downstream of the same corruption in the full battery). qhd_start_xfer
now clears overlay.active alongside overlay.halted before linking the
new qtd.
- test/hil(hfp): drop lpcxpresso43s67's device/usbtest skip - the
historical first-case wedge no longer reproduces on this branch, and
with the overlay fix the board runs 30/30 on its Fresco xHCI host
(previously 28/30 with deterministic case 13/18 failures).
mimxrt1064_evk (imxrt dcache path) 30/30 regression-clean.
- docs(hil skill): document the external hifiphile rig - pool
test/hil/hfp.json, SSH-reachable from htpc/ci with no outbound SSH,
exercised by the CI hil-tinyusb (hfp.json) job; never run HIL against
it during development unless the user explicitly asks.
Co-Authored-By: Claude Fable 5 <[email protected]>
Claude-Session: https://claude.ai/code/session_017TQZrFfU3K4Y198aLsUpBC
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* license: use SPDX identifiers for src/ headers
Replace the full ~20-line MIT license boilerplate on every src/ file with a
two-line SPDX tag (SPDX-FileCopyrightText + SPDX-License-Identifier), following
the REUSE convention used by CircuitPython and the Linux kernel. Removes ~3500
lines of duplicated boilerplate.
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Add IAR warning flags to CMake build and resolve warnings
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Signed-off-by: Zixun LI <[email protected]>
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Signed-off-by: Zixun LI <[email protected]>
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Signed-off-by: HiFiPhile <[email protected]>
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Signed-off-by: Zhihong Chen <[email protected]>
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- Added `rw61x` family support.
- Added `frdm_rw612` board support.
- Update `get_deps.py` to include mcux-sdk for RW61x.
- Add ci_hs_rw61x include to ChipIdea HS driver and enable host examples.
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copilot/fix-dcd-edpt-xfer-issue
Signed-off-by: HiFiPhile <[email protected]>
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as default driver implementation. dcd_edpt_close() is deprecated and will be removed from all driver in the future.
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Co-authored-by: Copilot <[email protected]>
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Co-authored-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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Signed-off-by: HiFiPhile <[email protected]>
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consistent
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- also improve ehci bus reset
- seperate bus reset delay and contact debouncing delay in enumeration
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change dcache clean/invalidate return type to bool
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add tu_assert() check for aligned 32byte address for imxrt
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CFG_TUD_MEM_SECTION is default to CFG_TUSB_MEM_SECTION
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fix build util with makefile
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* update chipidea dcd, remove manual ep_count and use DCCPARAMS to get number of endpoint instead
* add dcd dcache for chipidea
* add cmake for lpc18
* add makefile build for mcx
* use fork of mcu sdk
* fix ci build with nrf
* flash rp2040 with openocd
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new setup complete in the same isr frame
change usbd edpt busy/stalled/claimed value to 0/1 instead of
(true/false) since they are 1-bit field.
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temporarily disable codespell
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