file for usb log , which can be used to trace source code-file for usb log , which can be used to trace source code..

USB设备在正常工作以前,第一件要做的事就是枚举.枚举就是让HOST认得这个设备,并且为该设备准备其所请求的资 源,建立好主机和 设 备之间的信息沟通机制. USB 枚举是一系列有序而又连贯的过程,哪怕只有一丝丝请求或者自报家门时出错,甚至于在规定的时间内答不上来 ,设备就会被停机.枚举自然就不会成功. -USB devices work properly before, the first thing to do is to enumerate. Enumer

System.Diagnostics.Trace.WriteLine("Conversion time was:"+ts.ToString())

Trace USB Ports with free account very easy and the best new tool-Trace USB Ports with free account very easy and the best new tool