RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ efc536afec8ce985d8750b8e64a1b703e0e43c56

tükrözi: https://github-proxy.rt-thread.io/RT-Thread/rt-thread.git

David Lin f086765401 Update cdc_vcom.c		5 éve
..
usbdevice	f086765401 Update cdc_vcom.c	5 éve
usbhost	4b2b9a87c6 Merge pull request #3871 from OpenNuvoton/rtt_usbhost_issue	5 éve
SConscript	cc54e0a74e [usb]update usb stack	8 éve