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2014•Electronic Design EngineeringRequires access

Design of LCD display menu based on wireless alert system

WU Yuan-yua

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Abstract

In order to realize the data input, display, storage and other screen display functions of Wireless Alert System, an intercrossing LCD multilevel screen menu design method based on 4 * 4 keyboards is presented. Combined with the dot matrix LCD module HTM12864, the MCU based on ARM? Cortex?-M0 core is designed as the main control chip for the system, which is realized by C programming language. Menu data items and menu function are designed separately. Make the windowing menu display and configure a key-handling callback function for each window to switch the window. The system implementation result shows that the method is simple, less memory space is taken up and the operation interface is convenient, achieve the purpose of the method.

About this research paper

What this paper is about

In order to realize the data input, display, storage and other screen display functions of Wireless Alert System, an intercrossing LCD multilevel screen menu design method based on 4 * 4 keyboards is presented. Combined with the dot matrix LCD module HTM12864, the MCU based on ARM? Cortex?-M0 core is designed as the main control chip for the system, which is realized by C programming language. Menu data items and menu function are designed separately. Make the windowing menu display and configure a key-handling callback function for each window to switch the window. The system implementation result shows that the method is simple, less memory space is taken up and the operation interface is convenient, achieve the purpose of the method.

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Available abstract

In order to realize the data input, display, storage and other screen display functions of Wireless Alert System, an intercrossing LCD multilevel screen menu design method based on 4 * 4 keyboards is presented. Combined with the dot matrix LCD module HTM12864, the MCU based on ARM? Cortex?-M0 core is designed as the main control chip for the system, which is realized by C programming language. Menu data items and menu function are designed separately. Make the windowing menu display and configure a key-handling callback function for each window to switch the window. The system implementation result shows that the method is simple, less memory space is taken up and the operation interface is convenient, achieve the purpose of the method.

Key concepts: Liquid-crystal display, Microcontroller, Interface (matter), Window (computing), Computer science, Computer hardware, Wireless, Embedded system

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