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用DriverWorks开发PCI设备的WDM驱动程序 总被引:4,自引:0,他引:4
孟华 《太赫兹科学与电子信息学报》2006,4(2):121-124
介绍Windows驱动程序模型(Windows Driver Model,WDM)驱动程序的特点及使用DriverWorks开发设备驱动程序和周边元件扩展接口(Peripheral Component Interconnection,PCI)总线的优点,阐述用DriverWorks开发PCI设备的WDM驱动程序的基本例程和常用类,并结合具体实例深入探讨了PCI设备驱动程序的直接数据存储(Direct Memory Address,DMA)传输及中断服务例程(Interrupt Service Routine,ISR)。 相似文献
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在高速数据传输系统中基于PCI总线的PCI设备得到广泛应用。针对基于TI公司的高端DSP芯片TMS320C6455的PCI协处理卡,详细介绍了板卡的PCI接口特点,给出了在Windows XP系统下使用DriverWorks工具开发WDM驱动程序的方法,并进一步设计了该协处理卡的驱动程序。该方法简单灵活,开发周期短。通过在对规划空间和实时性有着要求较高要求的航迹规划系统的实验表明,实现了上位机与板卡之间的数据高速传输,从而进一步验证了所设计驱动程序的实用性和稳定性。 相似文献
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基于DriverWorks工具的USB驱动程序的开发 总被引:1,自引:0,他引:1
文章介绍TUSB接口,以及由WDM驱动程序的开发而进一步阐述了作为WDM模式中即插即用USB设备的驱动程序开发.概述了Compuware公司的DriverStudio工具包,具体介绍了其中的驱动程序开发工具DriverWorks工具的安装、调试和驱动程序开发过程中针对USB设备开发的设置和使用. 相似文献
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基于Driver Studio的PCI设备WDM驱动程序的设计 总被引:2,自引:0,他引:2
为了实现PCI数据采集卡的数据传输,必须开发PCI设备的驱动程序.介绍了以DriverStudio中的DriverWorks为工具,开发PCI设备WDM驱动程序的方法.探讨了PCI设备的I/O端口访问、中断处理、驱动程序与应用程序之间的通信等主要问题,重点对编写驱动程序的过程和主要例程的代码进行了说明,并实现了驱动程序的安装与调试.最后对实际中遇到的问题及解决方法做了总结,实践证明该驱动程序调试通过,运行稳定. 相似文献
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Windows 2000环境下测控系统的WDM设备驱动程序的开发及应用 总被引:1,自引:0,他引:1
介绍了Windows2000操作系统下的最新的设备驱动程序模型(WDM)的基本原理。同时以Compuware Numega公司的DriverWorks为开发工具,开发出了基于PCI局部总线的测控系统某专用接口卡的WDM设备驱动程序。 相似文献
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Thomas M.Trexler 《半导体技术》2004,29(5)
From its emergence in the late 1980s as a lower cost alternative to early EEPROM technologies, flash memory has evolved to higher densities and speedsand rapidly growing acceptance in mobile applications.In the process, flash memory devices have placed increased test requirements on manufacturers. Today, as flash device test grows in importance in China, manufacturers face growing pressure for reduced cost-oftest, increased throughput and greater return on investment for test equipment. At the same time, the move to integrated flash packages for contactless smart card applications adds a significant further challenge to manufacturers seeking rapid, low-cost test. 相似文献
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The parallel thinning algorithm with two subiterations is improved in this paper. By analyzing the notions of connected components and passes, a conclusion is drawn that the number of passes and the number of eight-connected components are equal. Then the expression of the number of eight-connected components is obtained which replaces the old one in the algorithm. And a reserving condition is proposed by experiments, which alleviates the excess deletion where a diagonal line and a beeline intersect. The experimental results demonstrate that the thinned curve is almost located in the middle of the original curve connectivelv with single pixel width and the processing speed is high. 相似文献
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The relation between the power of the Brillouin signal and the strain is one of the bases of the distributed fiber sensors of temperature and strain. The coefficient of the Bfillouin gain can be changed by the temperature and the strain that will affect the power of the Brillouin scattering. The relation between the change of the Brillouin gain coefficient and the strain is thought to be linear by many researchers. However, it is not always linear based on the theoretical analysis and numerical simulation. Therefore, errors will be caused if the relation between the change of the Brillouin gain coefficient and the strain is regarded as to be linear approximately for measuring the temperature and the strain. For this reason, the influence of the parameters on the Brillouin gain coefficient is proposed through theoretical analysis and numerical simulation. 相似文献
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Today, micro-system technology and the development of new MEMS (Micro-Electro-Mechanical Systems) are emerging rapidly. In order for this development to become a success in the long run, measurement systems have to ensure product quality. Most often, MEMS have to be tested by means of functionality or destructive tests. One reason for this is that there are no suitable systems or sensing probes available which can be used for the measurement of quasi inaccessible features like small holes or cavities. We present a measurement system that could be used for these kinds of measurements. The system combines a fiber optical, miniaturized sensing probe with low-coherence interferometry, so that absolute distance measurements with nanometer accuracy are possible. 相似文献
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Teleportation of an arbitrary unknown N-qubit entangled state under the controlling of M controllers
A new quantum protocol to teleport an arbitrary unknown N-qubit entangled state from a sender to a fixed receiver under M controllers(M < N) is proposed. The quantum resources required are M non-maximally entangled Greenberger-Home-Zeilinger (GHZ) state and N-M non-maximally entangled Einstein-Podolsky-Rosen (EPR) pairs. The sender performs N generalized Bell-state measurements on the 2N particles. Controllers take M single-particle measurement along x-axis, and the receiver needs to introduce one auxiliary two-level particle to extract quantum information probabilistically with the fidelity unit if controllers cooperate with it. 相似文献
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A continuous-wave (CW) 457 nm blue laser operating at the power of 4.2 W is demonstrated by using a fiber coupled laser diode module pumped Nd: YVO4 and using LBO as the intra-cavity SHG crystal With the optimization of laser cavity and crystal parameters, the laser operates at a very high efficiency. When the pumping power is about 31 W, the output at 457nm reaches 4.2 W, and the optical to optical conversion efficiency is about 13.5% accordingly. The stability of the out putpower is better than 1.2% for 8 h continuously working. 相似文献
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《中国通信》2014,(7)
正Wireless Body-area Networks The last decade has witnessed the convergence of three giant worlds:electronics,computer science and telecommunications.The next decade should follow this convergence in most of our activities with the generalization of sensor networks.In particular with the progress in medicine,people live longer and the aging of population will push the development of wireless personal networks 相似文献
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《中国通信》2014,(8)
正Information Centric Networking Information-Centric Networking(ICN) is an emerging direction in Future Internet architecture research,gaining significant tractions among academia and industry.Aiming to replace the conventional host-to-host communication model by a data-centric model,ICN treats data content as the first 相似文献
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Editorial Office 《电子科学学刊(英文版)》2014,(5):496-496
正Journal of Electronics(China)(JE)was founded in 1984,sponsored by the Institute of Electronics,Chinese Academy of Sciences.JE is one of the first English academic journals in China in the field of Electronics and Information technology.The journal was published quarterly since it was launched in 1984 to 2003,then it is published bimonthly till now.During 相似文献