基于MSP430單片機(jī)的LXI數(shù)據(jù)采集器的設(shè)計(jì)及實(shí)現(xiàn)
[Abstract]:LXI is an extension of Ethernet technology in the field of instruments, is a new type of instrument bus technology, it has the advantages of GPIB,VXI,PXI and other instrument bus technology, and combines the most widely used Ethernet technology. It promotes the development of automatic test system to network distributed system. The main task of this paper is to design and implement C class instruments which accord with LXI specification, taking LXI data collector as research object. This paper first introduces the history of test bus and the appearance of LXI bus technology, analyzes the research status of data acquisition system at home and abroad, and determines the function and technical index of LXI data acquisition device. Secondly, the key technology of LXI specification and the technical index of data collector are analyzed in detail. On this basis, the hardware and software design scheme based on MSP430 single chip computer is put forward. Thirdly, according to the overall scheme, the hardware platform of LXI data collector is designed and debugged. In the software design, the TCP/IP protocol stack is transplanted, the Web server is implemented in the embedded system, the built-in web page of the LXI instrument is written, then the SCPI command translator is written, and the communication between the LXI modules is designed. Finally, the CS8900A driver and the data acquisition function are designed.
【學(xué)位授予單位】:西安電子科技大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2012
【分類號(hào)】:TP274.2;TP368.12
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