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基于UOS系统下开发程序时，需要程序以权限的方式去获取系统中的一些信息，这时需要验证权限，而该示例只是一个依靠D-Bus通信来实现的调起权限验证框，而验证权限之后的数据获取需要在服务端通过进程通信的方式传递，该示例没有进程传递数据这一部分，请谨慎下载！！！ 下载之后请使用相关md文件阅读器查看

可用于研究学习USB协议或进行USB设备开发测试使用 该工具允许您创建，编辑和验证HID报告描述符。

自己构建的可制定风格的WPF版MessageBox .详情请移步 博客园:http://www.cnblogs.com/Vito2008/p/MessageBox.html 欢迎转载,欢迎拍砖. 改为免费了,请多多支持原创撒! 本资源为 http://www.cnblogs.com/Vito2008/p/MessageBox.html 文章中的改进版本.部分代码与文章不符.

The Controller Area Network (CAN) is a serial communications protocol which efficiently supports distributed realtime control with a very high level of security. Its domain of application ranges from high speed networks to low cost multiplex wiring. In automotive electronics, engine control units, sensors, anti-skid-systems, etc. are connected using CAN with bitrates up to 1 Mbit/s. At the same time it is cost effective to build into vehicle body electronics, e.g. lamp clusters, electric windows etc. to replace the wiring harness otherwise required. The intention of this specification is to achieve compatibility between any two CAN implementations. Compatibility, however, has different aspects regarding e.g. electrical features and the interpretation of data to be transferred. To achieve design transparency and implementation flexibility CAN has been subdivided into different layers. • the (CAN-) object layer • the (CAN-) transfer layer • the physical layer The object layer and the transfer layer comprise all services and functions of the data link layer defined by the ISO/OSI model. The scope of the object layer includes • finding which messages are to be transmitted • deciding which messages received by the transfer layer are actually to be used, • providing an interface to the application layer related hardware. There is much freedom in defining object handling. The scope of the transfer layer mainly is the transfer protocol, i.e. controlling the framing, performing arbitration, error checking, error signalling and fault confinement. Within the transfer layer it is decided whether the bus is free for starting a new transmission or whether a reception is just starting. Also some general features of the bit timing are regarded as part of the transfer layer. It is in the

常见的SOC互联总线介绍

USB PD3.0+PPS协议标准 英文版《Universal Serial Bus Power Delivery Specification 》，详细介绍USB PD3.0充电协议，快充协议实现原理 。PDF带书签。