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Development and Application of Light Adjust Touch Screen Based on the Neuron Chip

Author: LvBaoZeng
Tutor: GaoAnBang
School: Harbin University of Science and Technology
Course: Mechanical and Electronic Engineering
Keywords: LonWorks Bus Dimming touch screen Network variables Host computer Network control
CLC: TP334.3
Type: Master's thesis
Year: 2008
Downloads: 93
Quote: 2
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Abstract


The fieldbus technology today control one of the hot areas of development . Echelon Corporation , USA launched LonWorks Fieldbus its excellent openness , interoperability , becoming one of the most competitive fieldbus , can be applied in many fields . Based on the analysis , research LonWorks bus technology based on neuron chip , LonTalk protocol , the Neuron C core , a brief description of the core technology of touch screen , developed based on the the Neuron chip dimming touchscreen node , and apply it to actual dimming control system . In based on the Neuron chip dimming touch screen hardware works touchscreen ADS7843 Firstly , the description of each pin and its function , the internal structure and the reference voltage mode select ADS7843 conversion timing , including 24 clock timing , 16 clock timing and clock timing . Followed by detailed design of the Neuron chip node , that master the core module hardware design and VCN_IO intelligent node backplanes and expansion module design ; Finally touchscreen Neuron chip node hardware circuit connection diagram and fault diagnosis and anti- node interference analysis . Based Neuron chip dimming touch screen software , the paper first studies the composition and functions of each part of the typical LonWorks device software structure ; followed by analysis of the the Neuron Chip Neurowire synchronous full-duplex serial I / O objects , and each cited the feet do the definition of network variables , function pin and a description of the configuration properties ; final detailed flowchart host node - based program development , including data processing flow chart of 2051 and 3150 communication processing flow chart . Given Neuron C program follows the LonMark standard communication program design process and programming . Finally , example the Neuron chip dimming touch screen - based applications made ??. Advantage of the touchscreen dimming node and i.Lon100 of network servers based on LonWorks technology . PC development , on the one hand, intelligent terminals such as PDA or mobile phone through the IE browser wireless stepless dimming WEB - based control interface ; the other hand, can also be remote network control via a PC , constitute a complete network control solutions.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Electronic digital computer (not a continuous role in computer ) > External device > Output device
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