摘要:

由于VxWorks平台在电信领域的巨大市场和SCTP协议在IP网传输电信业务数据的优异性能,研究基于VxWorks平台的SCTP协议具有重要的意义。通过对SCTP协议基本概念和高级特性的简单介绍及它与传统传输协议主要区别的简单对比,凸显了SCTP协议的优越性能。提出了SCTP协议的软件设计方案。重点设计了协议的初始化机制、数据发送机制和数据接收机制,重点优化了协议的实时处理能力。通过工程实践表明,即使在不稳定网络等恶劣条件下,SCTP协议能够更高效,更可靠地完成数据的传输。证明了SCTP协议作为下一代传输协议具有广阔的前景。

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Date 2018-10-12
File Size 901.59 KB
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VxWorks platform has a huge market in the field of telecommunications and the SCTP protocol exhibits outstanding performance in IP network transmission of telecommunication traffic,so it is very important to research SCTP protocol based on VxWorks platform.This paper introduces the basic concept and advanced features of the SCTP protocol,and makes a brief contrast with the traditional transfer protocol,thus showing the superior performance of the SCTP protocol.SCTP protocol software design is also proposed with focus on the design of the protocol initialization mechanism,data transmission mechanism and the data receiving system,this optimizes real-time processing capability of the protocol especially.The engineering application shows that even in unstable networks and other adverse conditions,SCTP protocol can be more efficient and more reliable in data transmission,and SCTP protocol has broad prospects as a next-generation transport protocol.

摘要:

基于微机保护设备中引入嵌入式实时操作系统,可以很好地满足设备实时性和保护稳定性的要求,满足新型保护设备的发展要求,在对多任务实时操作系统(RTOS)特点分析论述的基础上,重点介绍VxWorks在保护设备中的应用,分析了多任务实时操作系统VxWorks对微机保护的影响,最后研究了针对微机保护装置如何进行系统移植和应用程序开发的详细步骤.

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Date 2018-10-11
File Size 822.38 KB
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With a good performance in meeting the real time requirements, it can enhance the stability of microprocessor protection relay apparatus by introducing the embedded real time operation system. Especially emphasing on application in microprocessor protection relay, the paper also introduces the character of RTOS. Then it analyses that the VxWorks system with a real time multitask management mechanism has made a deep impact on the protection relay. According to microprocessor protection relay apparatus, the paper introduces the process of how to transplant the operation system and compile the application process.

摘要:

介绍了TCP/IP模型下socket的实现过程,详细阐述了socket接口所提供的常用函数及其使用方法,解决了嵌入式系统同PC或工作站之间的网络通信问题,并给出一种基于VxWorks操作系统的TCP服务器端的实现方法。

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Date 2018-10-09
File Size 904.36 KB
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The development of socket under TCP/IP is described, and the normal functions provided by socket interface and the methods of using them are introduced in details. The network communication problems between the embedded system and the PC or workstation are settled and a realization method of TCP server based on VxWorks operating system is given.

摘要:

首先,介绍了本仿真系统的操作系统支持VxWorks,系统的两个关键器件CPU 和交换芯片,并且针对最为重要的两个协议FC 协议和RapidIO 协议进行了描述。接着,针对综合核心处理机系统的需求,对仿真系统进行总体架构设计,并对关键模块的设计进行了详细阐述。之后,分别 对仿真系统的关键技术进行了详细阐述,涉及本文的核心内容为:BSP 包的设计和RapidIO 驱动,以及RapidIO 承载FC 模块。最后,分三个阶段对本仿真系统进行充分测试,在分析结果确认达标后,最终将仿真系统接入实验室机载网络环境中投入应用。

关键词:综合核心处理机,VxWorks,RapidIO 总线,FC,仿真系统

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Date 2018-10-10
File Size 4.83 MB
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摘要:

本文简单介绍了嵌入式操作系统VxWorks的特点,以及VxWorks在PC104下基于以太网编程的思路

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