C89c51 usb驱动程序,实现了usb转串口的功能,提供了一个虚拟的串口-C89c51 usb driver, realizing the usb serial transfer function provides a virtual serial port

The AVR-CDC performs the CDC (Communication Device Class) connection over low-speed USB. It provides the virtual RS-232C interface without installing dedicated driver. The AVR-CDC is originally developed by Osamu Tamura. Akira Kita

virtual driver creator