FPGA-USB-Device implements a USB 1.1 full-speed device core for implementing standard USB devices like serial ports, cameras, audio devices, keyboards, and mass storage. The project addresses the cost and complexity of using discrete USB chips by offering a solution requiring only a few FPGA IOs. This core utilizes a Verilog implementation to provide a versatile foundation for developers to create custom USB devices.
This project offers a highly integrated solution by utilizing just three FPGA IOs for a complete USB device implementation, eliminating the need for external USB controller chips. The design includes a flexible USB core with customizable descriptors and endpoints, enabling the implementation of multiple USB device classes. The provided documentation and examples streamline the development process for both novice and experienced USB developers.
- Verilog Implementation: Provides a comprehensive Verilog codebase for implementing various USB device classes.
- Flexible USB Core: Includes a configurable USB core with customizable descriptors and endpoints for extensibility.
- Diverse Device Classes: Supports commonly used USB device classes, including audio (UAC), camera (UVC), mass storage (MSC), keyboard (HID), and serial (CDC).
- Simple Hardware Requirements: Requires only three FPGA pins and a connector for basic USB functionality.
- Comprehensive Documentation: Offers detailed explanations, circuit diagrams, and example code for easy integration and usage.
The project demonstrates a good level of maturity, with documented examples and testing on Windows, Linux, and macOS. The core USB functionality and individual device classes appear stable, although the macOS camera support is currently under investigation. The project is actively maintained, with recent commits indicating ongoing development and bug fixes.
This project benefits hardware developers seeking a cost-effective and flexible way to implement custom USB devices on FPGAs. It enables creation of specialized devices, streamlining development and reducing hardware costs compared to using dedicated USB chips. The provided USB classes address common use cases, providing value over building USB stacks from scratch.