基于FPGA的SpaceFibre-USB3.0接口卡设计

Design of SpaceFibre-USB3.0 Interface Board Based on FPGA

为了实现通用计算机测试SpaceFibre总线设备,设计SpaceFibre-USB3.0接口卡为计算机提供采集SpaceFibre总线数据的能力。以FPGA为控制核心,设计了相应接口硬件电路和控制程序,实现了SpaceFibre与USB3.0接口之间的桥接通信,测试分析了传输时延和采集速率,给出针对不同应用情况下数据包打包原则。根据打包原则,PC可以通过接口卡实时采集、显示SpaceFibre视频图像,无帧错乱、丢帧等情况。结果表明:接口卡采集速率满足要求,运行稳定,具有设计简单、即插即用、使用方便的特点。

In order to achieve general-purpose computer equipment to test SpaceFibre bus device,the SpaceFibre-USB3.0 interface board was designed to provide the computer with the ability to collect the SpaceFibre bus data.This interface board used FPGA as the control core,and designed the corresponding interface hardware circuit and control program,realized the bridge communication between SpaceFibre and USB3.0 interface,testd and analyzed the transmission delay and acquisition rate,and gived the packaging principle for different application situations.According to the packaging principle,the PC could collect and display SpaceFibre video images in real time through the interface board,without frame disorder or frame loss.The results show that the interface board acquisition rate meets the requirements and the operation is stable.It has the characteristics of simple design,plug and play,and convenient use.