Usb Interface Technology And Its Application

As a popular standard interface used by devices for computer, the technology of USB interface has been paid more and more attention to during these years. This article does some detailed researches on rudiment of USB interface. At the same time, some of the technology has been applied to the project item. And finally we come through a converter that can convert data from USB to RS232.The full name for USB is Universal Serial Bus. Being a serial communication interface, it suits all standards of serial communication. And because the project involves the technology of serial communication, so some basic acknowledge of it is introduced firstly.After that, this article introduces the history of driver programming - from VxD to WDM. Then it details the technology of WDM programming and the environment for developing drivers. And how to develop a WDM Driver with the tool of DriverStudio is introduced.In the last part, this article puts emphasis on the USB interface of HE) class, especially on the whole structure, hardware and software of the project. At the end of this article, detailed discussion on the shortage and improvement for the project is mentioned, and the foreground of USB2.0 is also prospecting.