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摩尔斯电码翻译器

摘要

摩尔斯电码在世界上的位置曾一度的被刷新,他简单的像个孩子,只有点与线。却被誉为永不消逝的电波。摩尔斯电码在上世纪五六十年代无线电历史上曾扮演着中流砥柱的角色，几乎每个从事通讯工作的人都知道的。由于随着通讯技术之进步，摩尔斯码全世界已于1999年全部停止使用，不过因为它所占的带宽是最少的，同时又包揽技术与艺术的特性，直到现在的生活中还是处处可见^[1]。

基于单片机的摩尔斯电码翻译器系统, 是紧紧围绕单片机系统来工作的，论证中采用了Intel公司的89C52作为控制核心^[6] 以单片机89C52为核心结及外围电路以实现对模拟输入的摩尔斯电码进行翻译并且由单片机驱动一块1602液晶显示器来显示翻译出信息。根据摩尔斯电码翻译器的功能效率要求，从功能要求、硬件设计、软件设计三个方面描述了一个以51单片机为核心的摩尔斯电码翻译系统。硬件线路及控制程序的设计是该系统的重要组成部分。本文围绕摩尔斯电码翻译系统的硬件和软件进行设计，设计了一个简单可行的摩尔斯电码翻译系统，包括模拟信号的转化，模数转换，跟踪速度，编码翻译，显示等功能。硬件线路设计主要包括电键电路、中央处理器、摩尔斯电码显示、蜂鸣器。软件部分设计主要包括主函数、外部中断函数的设计^[11]

关键词：单片机，摩尔斯电码，翻译器，二进制

Abstract

Morse’s position in the world once he was refreshed, simple like a child, only the points and lines. But as the radio waves never. Morse code radio play a decisive role in the early on, each of the radio communication is required to know. Due to communication, technology progress, all countries agreed in 1999 to stop using Morse code, but because it accounts for at least the characteristics of bandwidth, and a technology and art, with the wide application of [1] in real life.Morse code translator system based on single chip microcomputer system to focus on work, this design uses Intel’s 89C52 as the control core of [6] (the development of this paragraph references references of sixth MCU), based on 89C52 microcontroller as the core chip bonding interface and peripheral circuit to realize the Morse code for analog input the translation and the single-chip drives a 1602 LCD display to the translation of information. According to the requirements of the functional efficiency of Morse code interpreter, requirements, hardware design and software design three aspects of one to 51 single-chip microcomputer as the core of the Morse code translation system is described from the function. The design of hardware circuit and the control program is an important part of the system. This paper focuses on the design of the Morse code translation software and hardware of the system, designed a simple and feasible Morse code translation system, including analog signal conversion, analog to digital conversion, the tracking speed, code translation, display and other functions. Hardware circuit design includes power, function and control system, the Morse code display. Control program design mainly includes the design of [11] main program, external interrupt service program (see reference eleven articles from the control system).

Keywords: single chip microcomputer, Morse code, STC89C52, translation

1绪论……………………………………………………………………………………………………………………….. 1

1.1 课题背景及意义……………………………………………………………………………………………. 1

1.2 莫尔斯电码的特点………………………………………………………………………………………… 2

1.3 STC51单片机特点…………………………………………………………………………………………. 2

1.4 单片机特殊领域的应用…………………………………………………………………………………. 3

1.5摩尔斯电码翻译器对个人的意义……………………………………………………………………. 4

1.6电码翻译器对社会的意义………………………………………………………………………………. 4

2系统设计的方案论证及选择……………………………………………………………………………………. 6

2.1方案论证与比较…………………………………………………………………………………………….. 6

2.1.1 拍报电键的选择…………………………………………………………………………………… 6

2.1.2 模数转换电路选择……………………………………………………………………………….. 6