Description: 中文摘要
通用串行总线USB 是PC 体系中的一套全新的工业标准它支持单
个主机与多个外设同时进行数据交换
论文首先会介绍USB 的体系结构和特点包括总线特征协议定义
传输方式和电源管理等等这部分内容会使USB 开发者和用户对USB 有一
个整体的认识
接下来论文会讨论USB 系统的一般开发方法和技术特点分设备端硬
件设备端软件和主机端软件三个部分
然后论文会介绍几个USB 项目的研发过程和技术细节包括USB 手写
识别输入系统USB 通用设备开发平台USB 安全钥和USB 在线编程设备等
等论文会详细介绍USB 设备的硬件和软件开发的技术细节包括USB 设
备协议栈的编写方法同时也会讨论在Windows 98 下开发USB 内核驱动程
序和用户应用程序的一般方法
论文最后还会介绍Motorola 的一些相关开发技术主要是在线编程技
术
论文对广大的USB 设备开发人员和技术人员具备较高的参考价值可
以帮助他们尽快掌握USB 设备的特点以及硬件电路设计和软件编程中的
注意事项
关键字通用串行总线 微控制器 协议栈 设备驱动程序 在线编
程-Abstract
The Universal Serial Bus USB is specified to be an industry standard
extension to the PC architecture. USB is a serial cable bus that supports data
exchange between a host computer and a wide range of simultaneously
accessible peripherals.
First, the thesis describes the architecture and features of USB, including
the bus attributes, the protocol definition, types of transactions, power
management, and so on. It tries to give developers and users a snapshot of
USB.
After that, the thesis will talk about how to develop the USB system,
including: device hardware, device software and host software.
Then the thesis describes some development and technique details of
several USB projects: USB tablet, USB univeral development tool, USB
security key and USB ISP (In System Program) device. I will give you the
details of the hardware and software design of device, including how to write
USB device protocol stack, and talk about the kernel drivers and user program
in Win Platform: |
Size: 991232 |
Author:zhangheng |
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Description: 结合目前网络上科研管理系统的设计方案，对客户做的调查结果以及科研所、高校研究所的实际需求，本项目在设计时实现了以下功能。将人员、项目、成果、权限等管理有机结合，形成高效率的科研管理平台。改善传统科研申报管理业务中存在的诸多弊端，充分发挥计算机软件的管理优势，有效地提高科研管理水平和效率。操作简单方便，无论是专业人员还是非技术人员，都可以轻松上手。系统始终以为专业人员开发方便、实用的管理平台和为专家教授开发易用的评审平台为目标，注重通过高技术解决实际问题。采用先进的、开放的客户机/服务器模式（B/S）体系结构，应用系统基于Web技术开发，确保系统具有高超的性能，并使系统具有较高的管理水平。基于SQL-Server数据库系统,可以对大量科研课题进行有效管理，保证数据的安全性。-Combined with research management system on the network design, customers do the survey results as well as research institutes, universities, colleges and research institutes in the actual demand, the project design to achieve the following functions. Organic combination of personnel, projects, achievements, permissions management, form a highly efficient research management platform. Improve the many drawbacks of traditional research and reporting management business, give full play to the advantage of the management of the computer software, to improve the level and efficiency of research management. The operation is easy, both professionals and non-technical personnel can easily get started. The system always thought convenient, professional staff development and the practical management platform for experts and professors to develop easy-to-use review platform, focusing on high-tech to solve practical problems. Using state-of-the-art, open client/server mode (B/S) architecture, app Platform: |
Size: 1857536 |
Author:donglele |
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Description: 人月神话的作者Frederick P. Brooks，Jr.是北卡罗来纳大学Kenan-Flagler商学院的计算机科学教授，北卡来罗来纳大学位于美国北卡来罗来纳州的查布尔希尔。Brooks被认为是“IBM 360系统之父”，他担任了360系统的项目经理，以及360操作系统项目设计阶段的经理。凭借在上述项目的杰出贡献，他、Bob Evans和Erich Bloch在1985年荣获了美国国家技术奖（National Medal of Techology）。早期，Brooks曾担任IBM Stretch和Harvest计算机的体系结构师-Frederick P. Brooks, Jr. Was University of North Carolina Kenan-Flagler Business School, Professor of Computer Science, North Carolina to Romania Carolina University is located in North Carolina to Romania Carolina Chapel Hill. Brooks is considered the "IBM 360 system" Father, he served as project manager for 360 systems, as well as 360 operating system design phase of the project manager. With outstanding contribution in these projects, he, Bob Evans and Erich Bloch in 1985 was awarded the National Medal of Technology (National Medal of Techology). Early, Brooks served as IBM Stretch and architecture of the computer division Harvest Platform: |
Size: 1148928 |
Author:john |
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