【摘要】：USB接口由于支持熱插拔和標(biāo)準(zhǔn)統(tǒng)一等特點(diǎn)得到了廣泛應(yīng)用，越來越多的電腦設(shè)備開始采用USB接口進(jìn)行數(shù)據(jù)的傳輸，而如何在不改變現(xiàn)有應(yīng)用軟件的情況下，將設(shè)備移植到USB接口成為人們研究的熱門。 論文以USB通信設(shè)備類中的抽象控制模型為基礎(chǔ)，，研究了通信設(shè)備類及實現(xiàn)虛擬設(shè)備的原理，設(shè)計并實現(xiàn)了基于通信設(shè)備類的虛擬串口驅(qū)動程序。 論文研究設(shè)計了基于通信設(shè)備類的虛擬串口驅(qū)動程序的結(jié)構(gòu)和實現(xiàn)方案，程序主要由通信命令轉(zhuǎn)換和數(shù)據(jù)傳輸兩部分構(gòu)成，通信命令轉(zhuǎn)換符合通信設(shè)備類中抽象控制模型的規(guī)范，數(shù)據(jù)傳輸部分對現(xiàn)有虛擬串口的實現(xiàn)技術(shù)進(jìn)行了改進(jìn)。論文的主要工作如下：(1)研究了USB協(xié)議的請求和傳輸模式，分析了通信設(shè)備類實現(xiàn)虛擬設(shè)備的方案。(2)給出了一種符合通信設(shè)備類中抽象控制模型的虛擬串口實現(xiàn)方案。該方案提供了一種基于通信設(shè)備類開發(fā)虛擬設(shè)備的模板，對設(shè)計中的諸多問題進(jìn)行了詳細(xì)的說明，并改進(jìn)了虛擬串口驅(qū)動程序中數(shù)據(jù)的處理流程。(3)將改進(jìn)后的數(shù)據(jù)處理流程應(yīng)用于虛擬串口的實現(xiàn)中，生成了一種基于通信設(shè)備類的穩(wěn)定、高速的虛擬串口。最后，在ActiveSync軟件下對虛擬串口驅(qū)動程序進(jìn)行了測試，達(dá)到了預(yù)期目標(biāo)。
[Abstract]:USB interface has been widely used because of its support for hot-plug and unified standards. More and more computer devices begin to use USB interface for data transmission. However, how to transfer data without changing the existing application software, Porting devices to USB interfaces has become a hot topic. Based on the abstract control model of USB communication device class, this paper studies the principle of communication device class and the realization of virtual device, and designs and implements the virtual serial port driver based on communication device class. The structure and implementation scheme of the virtual serial port driver based on the communication device class are studied and designed in this paper. The program consists of two parts: communication command conversion and data transmission. The communication command conversion accords with the standard of abstract control model in the class of communication equipment. In the part of data transmission, the implementation technology of the existing virtual serial port is improved. The main work of this thesis is as follows: (1) the request and transmission mode of USB protocol is studied. This paper analyzes the implementation scheme of the communication device class. (2) A virtual serial port implementation scheme in accordance with the abstract control model in the communication device class is presented. This scheme provides a template for developing virtual devices based on the communication device class, and gives a detailed description of many problems in the design. The data processing flow in the virtual serial driver is improved. (3) the improved data processing process is applied to the implementation of the virtual serial port, and a stable and high-speed virtual serial port based on the communication device class is generated. Finally, the virtual serial port driver is tested under ActiveSync software, and the expected goal is achieved.
【學(xué)位授予單位】：西安電子科技大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2012
【分類號】：TP336

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