mirror of
https://github.com/apache/nuttx.git
synced 2026-05-13 10:38:40 +08:00
7bad94a964
In the USB interface descriptor of the cdcacm device, class:2 (CDC) subclass:2 (ACM) protocol:0 (NONE) may appear. At this time, the usb host does not match the correct protocol byte, which will cause the device identification to fail. Signed-off-by: yangsong8 <yangsong8@xiaomi.com>