mirror of
https://github.com/hathach/tinyusb.git
synced 2026-08-18 19:14:32 +00:00
9d51270f7b
Two fixes found bringing up SuperSpeed on a Renesas uPD720201-based hub:
- dcd_ch56x_usb30: retry link training with a fresh detect cycle every
second fallback-timer tick (4 ticks total) before switching to the
USB2 fallback. Some hubs only complete Polling on a re-attempt; with
a single continuous attempt the link reached U0 rarely and the port
fell back to high speed almost every boot.
- net_lwip_webserver: CFG_TUD_ENDPOINT0_SIZE was left at plain 64, so
usbd chunked EP0 data at 64 bytes; on a 512-mps SuperSpeed control
endpoint the first chunk is a short packet, the host ends the data
stage early and the status stage deadlocks until timeout ("can't
read configurations, error -110"). Use the SuperSpeed-aware size and
clamp the device-qualifier bMaxPacketSize0 like the other examples.
Validated on HydraUSB3: NCM enumerates at 5000M reliably across warm
reboots; lwiperf over SuperSpeed measures 51 Mbit/s device RX (TCP
window bound; 33 Mbit/s on the high-speed fallback), MSC 169/136 MB/s.
Full example sweep, 65/65 unit tests, pre-commit clean.
Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_019MRGjBT2NBkCoWwyDT4LaE