This paper puts forward a kind of method of developing communication architecture of serial port which is in common use by applying the theory of component / architecture and software reuse to serial communication , and may help to increase the benefit and effect of tapping software 摘要通过对构件构架理论和软件复用理论应用于串行通信的研究，提出一种通用的可复用的串行口通讯构架的开发方法，从而可有效地提高串行口通信程序的可复用性和可靠性，缩短程序的开发周期。
The paper gives the process of how to design the whole application system , describes how the client terminal and the server terminal works in detail , gives the final result of the application program , analysises the problem happened in the system and gives the way to resolve them . the design includes two parts : ( l ) hardware : the hardware system is mainly structured by distributed single chip micyoco data processing system based on rs - 485 bus ; ( 2 ) software : this part designs the scm program by c language , we use visual basic to design the client and the server application program , the whole software includes com port communication program and remote data transmission , we also use sql server 2000 to build the remote database system 本系统设计完成的主要工作有： ( 1 )系统硬件设计：主要是由基于rs - 485总线和单片机组成的分布式多路数据采集系统； ( 2 )系统软件设计：使用单片机c语言设计了单片机工作程序，使用visualbasic语言完成了系统中客户端、服务器端应用程序设计，其中包括数据采集部分中的串行口通信程序设计和client server模式下的远程数据传输程序设计，使用sqlserver2000完成了远程数据库的构建工作。
It can interface with single chip computer expediently and transmit data by rule and line . oscillator in the infrared transmitting circuit that consisted of ne555 , and can used to modulates the output from serial port of single chip computer . the integrated infrared receiver can demodulates , filter and transmit the signal to single chip computer 红外线西北口二j匕大学闷成d匕学位咭仑文发送电路的振荡器由ne555构成，它可对串行口输出信号进行调制，一体化的红外接收头对红外信号进行解调、滤波和整形，再送单片机处理。
And the controlling method of pi makes the temperature control quick and stable . at the same time , the paper completes the mutual communication between temperature control equipment and computer by way of serial interface and usb interface , so as to realize the remote control of computer to the temperature control equipment . finally , the performance test of the semi - conductor temperature control equipment researched in this paper is carried out , and the results show that the precision of the temperature of the controller of semi - conductor can reach to 0 . 2 , and the degree of temperature stablization is less than 0 . 05 整个系统采用闭环控制结构,使系统的抗干扰能力大大增强;为半导体制冷器量身定做的驱动电路,可以方便的调节通过tec电流的大小和方向,使tec加热制冷灵活迅速的特点得到充分发挥;使用比例积分( pi )的控制方法使得温度控制快速稳定;同时,本文还实现了温控仪与上位机通过串行口和usb口两种方式的通讯,实现了上位机对温控仪的远程控制;最后,对所研制的半导体温度控制仪进行了性能测试,测试结果表明,半导体温度控制仪温控精度达到0 . 2 ,温度稳定度小于0 . 05 ,满足了系统设计的要求。
After analyzing the pdu data format of gsm short message in detail , the communication programs are designed , such as the encoding and decoding of the unicode and 7 - bit code , the assembling and disassembling of pdu message and so on . through the serial port , the at commands are used to control the gsm module to send and receive short messages and dial , which completes the system communication 文中详细剖析了gsm短信息的pdu数据格式，设计了unicode编码与7位编码的编码和解码、 pdu报文的组装和拆卸等底层通信程序，通过串行口使用at命令控制gsm模块收发短信息和拨号，完成系统的通信。
This paper is on the basis of the computer measurement and control system on heating net in shenyang huanggu heating - power plant < > the sub - station " s hardware and software of dcsch is studied and designed by writer , , and the hardware is composed with power , a / d , d / a , di , do and display circuit which used by single - chip computer of 89c52 while the software includes four parts : communication , data collect , display of lcd and control < , using the serial port of single - chip computer to communicate with upper - computer while communicate with lcm by adopting the bus to simulate serial port , some measurers of resisting interfere are adopted in hardware and software in order to composed a effective spot monitor computer system 本文以沈阳皇姑热电厂热网微机测控系统为基础，研究和设计了分布式集中供热控制系统中各热力子站现场监控部分的硬件和软件。硬件上采用89c52单片机组成监控系统，主要包括电源、 a d 、 d a 、 di 、 do及显示电路；软件实现分为四部分：通讯部分、数据采集、 lcd显示和控制部分。其中与上位机通讯采用单片机的串行口而与lcm通讯采用单片机口线模拟串行口的方法实现。
The thesis has two main parts . the first is the hardware design , which mainly uses the method of cpld and vhdl , design a circuitry with the trim , inspection , control , asynchronous serial communication , at last with rs - 485 difference transmittal mode outputs the inspection results to the pc ' s rs - 232 第一部分为硬件电路设计，采用了cpld器件和vhdl进行设计，通过vhdl描述，设计了整形、检测、控制、异步串行通信为一体的电路，最后，检测结果通过rs - 485差分传送方式输出到计算机的rs - 232串行口上。
Simultaneously , the following five techniques for the hardware design are discussed : the usage of psd in the hardware system , multi - sci ( serial communication interfaces ) design technique in single chip processor system , the cpu task estimation , ports allocation for core processor devices , and the choice of components in hardware design 对psd ( programmablesystemdevice )在控制器设计中的应用技术、单片机多串行口设计技术、硬件设计中的cpu任务量估计、 cpu内核端口配置和元器件选用等问题进行了研究。
Second based on high performance dsp - tms320c32 , design and realizing the hardware of the system - mainboard of data collecting and processing . it includes 1 ) external memory system 2 ) the interface of accelerators and fog 3 ) dart 4 ) boot loader 5 ) decoding and reset system 6 ) interface of jtag 为了实现系统功能，系统板在硬件上主要具备了以下结构： 1 )外部扩展存储器系统； 2 )陀螺反加速度计接口电路； 3 )通用异步串行口电器( uart ) ； 4 )程序引导装载电路； 5 )译码反复位电路； 6 ) jtag接口。
