文档介绍：基于GSM控制的LED显示屏的研究与设计控制
学生:张乐
指导老师:王丽
淮南师范学院电气信息工程系
摘要:随着科技的不断进步,人们的生活节奏也在不断的加快,这时,信息的传递在我们的生活中的就扮演了一个重要的角色。近年来,随着LED技术的不断发展,LED显示屏也经常出现在我们的生活中,在火车站,银行,公路等地方它为我们传递着最新的信息。但是,对于LED屏的信息传递途径,现在大多采用的还是有线传输,出于对布线及抗干扰能力的考虑,它的使用范围就受到了极大的限制。我们主要针对这个问题展开讨论。本文首先通过方案对比得出一个可行的方案——采用SoC型单片机STC89C516RD+作为核心控制元件,西门子生产的GSM模块TC35i作为信息传输媒介,通过程序调用字库芯片GT23L32S4W完成在LED显示屏上的显示。然后主要针对软件设计的部分做了详细的介绍,软件大致分为以下几个部分:单片机外围器件及其驱动程序的设计,主要包括时钟芯片的程序设计,看门狗程序的设计,存储程序的设计等;TC35i模块AT指令及中文短信息的收发的程序设计,TC35i通过标准串口和单片机进行通信,单片机发送AT指令的程序设计,PDU编解码的程序设计;LED显示屏与字库芯片调用的程序设计,主要有字库芯片的调用程序和LED显示屏的驱动程序。
关键字:STC89C516RD+;TC35i模块;AT指令;PDU码编解码;字库芯
The LED display screen software design based on GSM modem
Student Zhang Le
Supervisor Wang Li
Institute of Electrical and Information Engineering, Huainan Normal
Abstact:As the technology progresses, people's lives has been the acceleration of the rhythm, then the transmission of information in our lives on to play an important role. In recent years, with the continuous development of LED technology, LED displays also appear in our lives, in the railway station, banks, highways and other places for us to pass it forward to the latest information. However, LED message screen means it is now used in most of cable transmission, wiring and based on consideration of anti-interference ability, the scope of its use has been severely limited. To address this issue we discuss. In this paper, first of all through the pared to arrive at a feasible solution - the use of SoC-based single-chip control STC
89C516RD + as a ponent of the GSM Siemens TC35i module as an information transmission medium, through the process called chip GT23L32S4W font displayed on the LED display . And then the major part of software design for a detailed description of the software is broadly divided into the following sections: single-chip puter and its peripheral device driver design, including the procedures for the design of the clock chip, the design watchdog procedures, storage process design; TC35