计算机应用 ›› 2005, Vol. 25 ›› Issue (09): 2216-2218.DOI: 10.3724/SP.J.1087.2005.02216

• 典型应用 • 上一篇    

多线程环境下DSP和主机间高速数据I/O方法的研究和实现

周冬梅1,钟晓玲1,王建勤2   

  1. 1.成都理工大学信息工程学院; 2.德加拉(成都)数码科技有限公司
  • 出版日期:2005-09-01 发布日期:2011-04-11

Research and implementation of fast data I/O methods between DSP and host in multithread application

ZHOU Dong-mei1,ZHONG Xiao-ling1,WANG Jian-qin2   

  1. 1.College of Information Engineering,Chengdu University of Technology,Chengdu Sichuan 610059,China;2.Thakral(Chengdu) Digital Technology Development Corporation Ltd,Chengdu Sichuan 610051,China
  • Online:2005-09-01 Published:2011-04-11

摘要: TI TMS320DM642是款性能优良的多媒体DSP。文中重点介绍了在多线程环境下DM642和计算机间如何通过PCI总线进行大批量数据高速输入输出的方法及其实现具体过程。

关键词: DM642, EDMA, PCI

Abstract: TI TMS320DM642 is a powerful multimedia DSP of TI.Methods transferring large quantities of data between DM642 and PC throught PCI data bus in multithread application were introduced,and a fast and stable way was presented in detail.

Key words: DM642, EDMA, PCI

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