RT-Thread/rt-thread: https://github.com/RT-Thread/rt-thread.git @ e63e9002bd7beb60655039854c8a366b80782eaf

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

mazhiyuan f04941c951 [cdc_vcom.c]adapt to both v1 and v2 of serial		преди 4 години
..
usbdevice	f04941c951 [cdc_vcom.c]adapt to both v1 and v2 of serial	преди 4 години
usbhost	3c05a4e719 [compoenets] auto & manual formatted	преди 4 години
SConscript	cc54e0a74e [usb]update usb stack	преди 8 години