基于PCIe异构高速通信的仪器设备类实验考核系统设计  

Design of Experimental Assessment System for Instruments and Equipment Based on PCLe Heterogeneous High-Speed Communication

作　　者：林盛鑫[1] 王电令 LIN Shengxin;WANG Dianling(School of Electronic Engineering&Intelligence,Dongguan University of Technology,Dongguan 523808,China;Hefei Zhenren Automation Technology Co.,Ltd,Hefei 230093,China)

机构地区：[1]东莞理工学院国际微电子学院,广东东莞523808 [2]合肥真仁自动化科技有限公司,安徽合肥230093

出　　处：《东莞理工学院学报》2022年第5期27-32,共6页Journal of Dongguan University of Technology

基　　金：东莞理工学院质量工程课程建设类项目(201902049);东莞市科技特派员项目(20201800500152)。

摘　　要：针对高校实验考核过程中存在的设备成本高与监考工作量大等难题,采用Raspberry Pi(树莓派)和FPGA相结合,通过PCI-e2.0协议实现异构高速双向通信,多功能仪器设备一体化设计,同时采用DMA传输模式,减少CPU资源占用,完成数据高速采集,通过Linux与数据库实现实验考核在线系统设计,大大提高了高校教育信息化在高校实验考核的信息化程度。In view of high equipment cost and invigilation workload in the process of college experiment assessment,the paper uses the combination of Raspberry Pi and FPGA to realize heterogeneous high-speed two-way communication through the PCI-e2.0 protocol,multi-functional instrument integration design,adopts DMA transmission mode,reduces CPU resource usage,and completes data acquisition;by this way an online system design of experimental assessment is realized through Linux and database.It has greatly improved the degree of college education informatization in college experimental assessment.

关 键 词：教育信息化 实验考核 树莓派 可编程阵列逻辑 高速串行计算机扩展总线 

分 类 号：TN91[电子电信—通信与信息系统]