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

ref: 3c1ddb20008638d0dc318ad9d420b89dbc447b79 stm32h747i-disco-usb-image-viewer/src/registers.c -rw-r--r-- 983 bytes
chore: some renames
feat: add registers, pin, exti, usb_device skeleton