fx2 slavefifo方式，可完成上位机和单片机之间的通讯-fx2 slavefifo, to be completed between host computer and communications between the MCU

本组程序包括FPGA程序，固件程序和上位机程序，实现USB的数据传输功能，采用Slave Fifo模式，上位机程序利用Cypress公司提供的库函数进行开发-In this group include FPGA, firmware, procedures and PC procedures realize USB data transfer function, the Slave Fifo mode, host computer pro

用vc++6.0实现与usb设备通信的功能，可收发数据。-Achieved with the vc++6.0 and the usb device communication function, can send and receive data.