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1、论文题目 基于51单片机的红外遥控的开关的设计摘 要I摘 要本设计是基于红外遥控和AT89C51单片机控制的红外遥控开关，这种系统具有很强的适用性、灵活性、先进性,它的应用大大方便了人们的生活。本文给出了系统的硬件组成和硬软件设计方法，介绍了解码程序的基本结构和程序框图，为达到准确控制，将发射脉冲分为连接段、控制段和结束段等3部分，并再接收端进行校验。整个系统由发射和接收两个部分组成。发射部分包括键盘矩阵、编码调制、LED红外发送器；接收部分包括LED红外光、解调、解码电路。系统在实际实用后，证明其方便、可靠并具有实用价值。关键词：AT89C51芯片；红外遥控开关IIABSTRACTThe d
2、esign of an infrared remote-control multi-line switch is introduced.This switch is basedon principle of infrared remote-control and AT89C51 single chip microcomputercontrolling .This system has strong applicability,flexibility and advancement.Peoples life isimproved greatly by Its apply. Its system
3、composition and design of hardware and softwareare presented. The basic structure and chart of control decode program are also expounded.In order to achieve exact remote-control, the transmitted signal is divided into 3 parts:theconnecting section, the controlling section and the ending section, the
4、n the receiver willverify it.The whole system is composed by the launches partially and the receives partiallytwo parts.Launches partially including the keyboard matrix,the coded modulation,the LEDinfrared transmitter;Receives partially including the LED infrared light launch,thedemodulation,decodes
5、 the electric circuit. It was proved that this kind of remote-control isconvenient, reliable and practical after using in remote-control system.Key words: the chip of AT89C51; infrared remote-control switch目 录III目 录1 绪 论.11.1 课题背景.11.2 应用前景.12 总体设计方案.32.1 机型及元器件选择.32.1.1 单片机的选择.32.1.2 AT89C51单片及的硬件结
6、构. 32.2 软、硬件功能划分.42.3 总体方案设计.53 系统的设计.73.1 系统硬件设计.73.1.1 硬件要求.73.1.2 键盘接口.93.1.3 LED显示器. 103.1.4 发射部分.123.1.5 接收部分.123.2 系统软件设计.133.2.1 发射部分的工作原理.133.2.2 接收部分工作原理.133.3 遥控系统的编码及解码.143.3.1 遥控发射编码格式.143.3.2 数据帧的接收处理.153.4 遥控发射及接收控制程序流程图.163.4.1 遥控发射控制流程图.163.4.2 遥控接收控制流程图.174 系统调试.195 毕业设计总结.21致 谢.23参考文献.25附 录.
