~ruther/stm32h747i-disco-usb-image-viewer

ref: a42a0f99932c4a7afdd569cac97a46d0bbc15c07 stm32h747i-disco-usb-image-viewer/include/delay.h -rw-r--r-- 689 bytes
feat: implement usb devicd cdc descriptors, init, setup