程序描述：使用Cypress提供的EZ-USB开发工具包进行基本的固件程序设计。安装时把源码拷贝到硬盘特定目录下，使用Keil C编译器运行即可。但要添加完整的头文件及库文件才可以编译。

BasicUSB.SchDoc　　　　电路原理图

FX2Test/FX2Test.Uv2　　Keil C51工程

FX2Test/EZUSB.LIB　　 EZ-USB库文件

FX2Test/dscr.a51 USB描述符

FX2Test/USBJmpTb.OBJ USB中断跳转表

FX2Test/syncdly.h 同步延时

FX2Test/lpregs.h 寄存器声明

FX2Test/lp.h EZ-USB头文件

FX2Test/fw.c C51主程序

FX2Test/periph.c　　 初始化及任务调度

FX2Test/FX2Test.hex 单片机Hex文件

FX2Test/STARTUP.A51 启动代码-Descr iption: Use to provide Cypress' s EZ-USB development kit for the basic design of the firmware. Copy the installation source to your hard disk under a specific directory, use the Keil C compiler can run. However, the first to add a complete library of documents and files can be compiled. BasicUSB.SchDoc circuit schematic FX2Test/FX2Test.Uv2 Keil C51 works FX2Test/EZUSB.LIB EZ-USB library file descr iptor FX2Test/dscr.a51 USB interrupt jump table FX2Test/USBJmpTb.OBJ USB sync delay FX2Test/syncdly.h Register FX2Test/lpregs.h statement FX2Test/lp.h EZ-USB headers FX2Test/periph.c main FX2Test/fw.c C51 initialization and task scheduling Hex file FX2Test/FX2Test.hex single-chip FX2Test/STARTUP. startup code A51