这是基于PIC18F4550开发的USB的演示固件 ，使用MPLAB+C18开发环境，配合Microchip的MCHPFSUSB开发板使用。-This is based on the PIC18F4550 development demonstration USB firmware, use the MPLAB+ C18 development environment, coupled with Microchip' s development boards MCHPFSUSB use.

Generic_HID Firmware for Microchip Full-speed USB Chips Using Microchip MCHPFSUSB Framework v2.3

Microchip_USB_(MCHPFSUSB)_Library_v2010-04-28 Includes full source code for the USB Library. This software package also includes: schematics, drivers, demos, documentation, and utilitie

这是一个PIC18F4550 USB-HID简单的数据传输例子，编译器是MCC18，如果你觉得Microchip提供的MCHPFSUSB Firmware程序难以看懂的话，我相信这个例子更加适合你，因为里边最让人头疼的平台扩展信息都删掉了，保证让你最少时间获取最中心的内容。-PIC18F4550 USB-HID example.