基于PCIe总线的高速数据采集卡设计与实现  

Design and Implementation of a High-Speed Data Acquisition Card Based on PCIe Bus

作　　者：李木国[1] 黄影[2] 刘于之[1] 

机构地区：[1]大连理工大学 海岸和近海工程国家重点实验室,辽宁大连116024 [2]大连理工大学 电子与信息工程学院,辽宁大连116024

出　　处：《测控技术》2013年第7期19-22,共4页Measurement & Control Technology

基　　金：辽宁省教育厅高校科研计划项目(LS2010032);中央高校基本科研业务费专项资金资助(DUT 10JR14)

摘　　要：针对高速数据采集系统中对数据实时处理和高速传输的需要,使用Altera公司FPGA提供的PCIeIP硬核设计了一种基于PCIe总线的高速数据采集卡。重点从采集卡整体设计、硬件接口以及软件程序实现等几个方面进行分析阐述,并针对其高带宽的优势,比较详尽地介绍了PCIe总线的高速DMA数据传输状态机的实现方法。在QuartusⅡ11.0开发环境下利用SignalTapⅡ在线调试并进行实际传输验证,测试表明该采集卡的传输速度满足了高速采集领域的要求,并且性能稳定。Acorrding to the requirements of real-time data processing and high-speed transmission in highspeed data acquisition system,a high-speed data acquisition card based on the PCIe bus is designed,which uses the Altera FPGA PCIe IP hard core.The overall design,hardware interface and software program of the acquisition card are analyzed and discussed mainly,and the implementation method of high-speed DMA data transfer state machine for PCIe bus is given based on its high bandwidth advantage.At last,the experiment results are given by using SignalTapⅡin QuartusⅡ11.0 and through debugging and verification,the tests show＇ that the transmission speed of the acquisition card can meet the requirements of high-speed acquisition field, and has stable performance.

关 键 词：PCIE FPGA IP硬核 DMA方式 数据采集 

分 类 号：TP274[自动化与计算机技术—检测技术与自动化装置]