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Research on the VxWorks-based Compact PCI Interruption Mechanism
Author(s): YANG Shuai, XI Zhihong
Pages: 135-
138
Year: 2015
Issue:
4
Journal: IT Age
Keyword: Compact PCI; 中断; VxWorks; PCI9030;
Abstract: Compact PCI总线具有热插拔的特性,而使得CPU访问扩展设备的机制与非热插拔系统有较大不同,尤其是中断机制较为复杂,研发人员不仅需深入了解硬件中断结构,更需要掌握PCI设备驱动程序及中断服务的实现方法.本文针对中断的软硬件内容进行了分析研究,以设计的Compact PCI设备卡为例,讨论了利用中断方式和CPU运行的VxWorks操作系统进行数据通信的程序设计要点,从底层全面分析了Compact PCI中断处理机制,旨在为开发人员提供理论指导和编程思想.
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