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Design and Application of the Portable Flash Disk Solidifies the Installment

Author: TongZuoYan
Tutor: WangJingGang
School: Harbin Engineering University
Course: Detection Technology and Automation
Keywords: USB Firmware PDIUSBD12 Electronic disk FAT16
CLC: U666.1
Type: Master's thesis
Year: 2007
Downloads: 53
Quote: 1
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Abstract


With the continuous development of ship navigation system , the requirements of the users of the navigation system . Integrated navigation display and control console is a data processing center for ship navigation systems , the importance and reliability of the ship's navigation is essential . Integrated navigation display and the Console information processing applications curing in electronic trading , the traditional procedure to replace cumbersome , therefore , need to develop a new kind of replacement . USB system due to support plug-and-play and hot-swappable , and has a fast, easy to expand, bus-powered , etc. , has become the mainstream of the PC and external communication interface . The rapid development and wide application of USB technology provides good technical support for the replacement of the system application . This paper first analyzes the the USB system structure and architecture of USB devices , electronic disk FAT file system structure , provides a theoretical basis for the firmware implementation . Subsequently elaborated in detail the design and implementation of the design process of the system hardware and firmware . The system hardware design part by of USB interface part of the functional unit part . Can be divided into : USB chip peripheral circuits , USB chip and microcontroller interface circuit , electronic disk microcontroller interface circuit , additional debugging serial circuit . The system software development mainly firmware development , a method using a hierarchical architecture , design, and is conducive to the implementation of the code transplantation , multiplexing, and maintenance . The firmware USB1.1 protocol to the FAT file protocol and UFI command of three provisions of the agreement , C language programming , complete modular programming and debugging . In the main program designed to provide service call interface module program interrupt program . The design of host communication with electronic disk provides a new and convenient way to research high engineering practical value .

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CLC: > Transportation > Waterway transport > Marine Engineering > Navigation equipment, acoustic equipment > Navigation equipment
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