All source files of CMSIS-DAP on STM32 with EmBitz:

• cmsis-dap_on_stm32_with_embitz.zip

All source files of USB-CDROM-Emulation-on-STM32F103C8:

• usb-cdrom-emulation-on-stm32f103c8.zip

All source files of Yet Another Firmware Based SOFT USB Device:

• ya-vusb-sources.zip

Some references of Yet Another Firmware Based SOFT USB Device:

• ya-vusb-refs.zip