QuecPython + USBNET: Implement USB Network Adapter Functionality

USBNET Overview USBNET (USB Networking) is a technology that enables network communication via a USB interface. It allows devices to emulate Ethernet over a USB connection (Ethernet over USB) or directly transmit network data through USB links. It is widely used in scenarios such as embedded devices, industrial control, virtual machines, and portable devices. Core Features of USBNET USB Interface Based: Implements network communication using the USB physical layer, eliminating the need for tradi