基于WDF框架的PXI-E数据采集卡驱动的设计与实现 |
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引用本文: | 戈义君,张新荣. 基于WDF框架的PXI-E数据采集卡驱动的设计与实现[J]. 工业控制计算机, 2012, 25(2): 20-22 |
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作者姓名: | 戈义君 张新荣 |
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作者单位: | 西南电子电信研究所上海分所,上海,200434 |
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摘 要: | 主要介绍了WDF驱动模型的特点,分析了WDF驱动的基本结构,主要探讨基于WDF的PXI-Express总线的高速数据采集卡驱动的基本开发流程,说明了如何通过DMA实现高速数据传输,以及驱动与应用程序之间的通信机制的设计和同步访问的实现.
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关 键 词: | WDF模型 PXI-Express接口 DMA 驱动程序 |
PXI-E Data Sample Adapter Device Driver Based on WDF Framework |
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Abstract: | This paper describes the characteristics of WDF driver model,analyze the basic structure of a WDF driver.Based on WDF technology,this paper proposes a driver development process for PXI-Express high-speed data sample adapter,explains how to achieve high-speed DMA data transfer.Design of the communication mechanism between the driver and applications,and synchronize access to be achieved. |
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Keywords: | WDF Model PXI-Express Interface DMA driver program |
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