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Study and Design Embedded Software System and Applications on LXI Multifunctional Instrument

Author: ShenXueLiang
Tutor: ZhaoJian
School: Xi'an University of Electronic Science and Technology
Course: Measuring Technology and Instrument
Keywords: S3C2410 LXI Embedded Systems Versatile instrument
CLC: TP311.52
Type: Master's thesis
Year: 2009
Downloads: 162
Quote: 6
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Abstract


With the continuous development of information technology and the growing demand of the user , embedded systems gradually into all aspects of the national product , and its applications are increasingly widespread . The embedded system is a computer system with specific functions , and combine it with communications technology and network technology , which greatly enhanced the flexibility of networking and communications equipment and intelligence . On this basis , the application of embedded technology to the monitoring and control equipment , measurement and control instruments of communication will undoubtedly be enhanced , interactive capabilities , and data processing capabilities , and to expand its use and application areas . LXI bus automatic test system bus , after following GPIB, VXI, PXI test system is suitable for setting up a LAN range . It is based on Ethernet technology is widely used to clock synchronization and triggering capabilities , network discovery mechanism , network configuration functions and Web operator interface to a standard bus for Networked Measurement and Control Instrumentation . LXI bus has an open industry standard , backward compatibility , cost , interoperability , and other characteristics . This article is aimed at the development of embedded software systems based on the the LXI bus 32-bit embedded systems class C instrument . The instrument is based on ARM9 S3C2410 as the core platform , with a wealth of system resources , including S3C2410 microprocessor system with high-resolution touch screen human-machine interaction devices , USB port , 100M Ethernet port , VGA interface , audio interface and so on, interactive operation to meet a variety of instruments , storage , and communications requirements . Software support , multi-function module boards and LXI Bus Class C interface on the platform -based 32-bit embedded systems LXI the multifunction instrument user interface software . This article discusses and developed a multi-purpose instrument software architecture , the Linux operating system running on the embedded system platform , for six and a half digital voltmeter module , the module of high-precision frequency measurement and data acquisition module to read and write the data underlying driver and control the operation , thereby constituting a multifunctional instrument . And in accordance with the LXI Class C specification of the instrument , the LAN interface on the embedded platform the LXI interface protocol and Web server . Support touch screen and a standard USB input devices , graphical man-machine interactive interface.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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