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Embedded wireless restaurant front design

Author: ChengLiuSheng
Tutor: YangShun
School: Liaoning Technical University
Course: Communication and Information System
Keywords: Embedded Systems uCLinux Graphical User Interface MiniGUI Wireless Communication Modbus protocol
CLC: TP368.1
Type: Master's thesis
Year: 2009
Downloads: 99
Quote: 1
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Abstract


Embedded wireless device is a front-end catering catering forefront of information management in data acquisition unit. With dining expedite the process of information , more and more wireless front-end equipment catering catering business concern . Market value of the huge , broad application prospects. This paper focuses on the embedded wireless restaurant front design and implementation of software and hardware . The proposed program is based on hardware and software design core LPC2220 ARM7TDMI-S microcontroller , with excellent performance uCLinux embedded real-time operating system platform , keyboard input, 2.2 -inch TFT color display interface, short-range wireless transmission dining spots dish data . In the hardware circuit design in order LPC2220 microcontroller core , the external memory circuit design , the keyboard circuit, LCD display circuit , IA4421 wireless communication circuit and power circuit. Software development, first build uCLinux development platform, portable graphical user interface support system MiniGUI to uCLinux, followed by refining the man-machine interface of each module , focusing on the development of the graphical user interface. Another focus of this thesis is to design a wireless communication firmware and protocols. Through detailed configuration IA4421 chip RF transceiver parameters , the design of wireless communication firmware . According to the Modbus protocol Modbus protocol simplifies the design idea , use it as a front-end catering multiple embedded wireless networking device control protocol , and design communication data frame format , to achieve multipoint communication . The design of experimental verification, live demonstrations have received good results.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Micro-computer > A variety of micro-computer > Microprocessor
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