基于单片机的篮球比赛计分器设计毕业论文

毕业论文（设计）题目基于单片机的篮球计时记分器设计内容提要随着单片机在各个领域的广泛应用，许多用单片机作控制的球赛计时计分器也应运而生，如用单片机控制LCD液晶显示器的计时计分器，用单片机控制LED七段显示器的计时计分器等。

本设计以基本篮球规则为依据，可对篮球比赛实现实时控制，解决篮球比赛时计分与计时的问题。

该装置包含硬件设计和软件编程，主要是以AT89C51单片机为核心元件，编程控制LED七段数码管作显示的球赛计时计分系统，计时部分采用CD4511（七段BCD码译码器）进行硬件译码；计分部分采用CD4094（8位移位存储总线寄存器）作为串行口扩展显示器接口，并利用74LS21（双四输入与门）来实现比分的刷新功能。

报警部分采用蜂鸣器为音响器件。

该系统具有赛程定时设置，赛程时间暂停，及时刷新甲、乙双方的成绩以及赛后成绩暂存等功能。

且价格低廉、操作简单、携带方便，适合学校单位举办友谊比赛等赛事的计时计分辅助工具。

关键词单片机；篮球赛计时；篮球赛计分；显示Design of Timing and Scoring of Basketball Competition Based on microcontrollerAuthor: yang lu Tutor: wang danAbstractWith a wide range of SCM applications in various fields, many with a sinle chip timing for the control of the game scoring device have emerged, such as liquid crystal display LCD with MCU control the timing of scoring device, LED seven segment display with MCU timing control points and more.This design based on the basic rules of basketball, the game of basketball can achieve real-time control, total points and timing can be solved in the game of basketball. The device includes hardware design and software programming, mainly based on AT89C51 MCU as the core components, and programmed to control the LED segment digital tube for the display of the game time scoring，Part time using CD4511 (seven segment BCD decoder) for hardware decoding; scoring part is CD4094 (8-bit shift register storage bus) serial port expansion, monitor port, and use 74LS21 (Dual four-input AND gate) to achieve the score of the refresh function. Buzzer to sound the alarm part of the device used. The system is set up with the schedule from time to time, schedule time to pause, refresh in time A, B, and after the two sides achieved a temporarysuccess functions. It is inexpensive, stable performance, easy to operate and easy to carry and so on. A wide range suitable for all types of schools or small groups as time-points race.key wordsMCU; basketball time; basketball scoreboard; Show目录错误！未找到引用源。

毕业设计作品（产品）作品名称基于单片机AT89C51篮球比赛计时计分系统设计二级学院电气工程学院专业电气自动化班级电气1303学生姓名陈勇杰学号201320130074指导教师郑斌2015年11 月目录摘要 (1)第一章绪论 (2)1.1设计背景 (2)1.2设计目的 (2)1.3设计要求 (3)第二章系统硬件电路设计 (4)2.1单片机概述 (4)2.2 AT89C51性能介绍 (4)2.3振荡电路 (7)2.4 LED显示电路 (8)2.5按键控制电路 (11)第三章系统软件设计方案 (12)3.1系统总流程图 (12)3.2计时器显示流程图 (13)3.3计分器显示流程图 (15)第四章仿真与调试 (18)4.1软件简介 (18)4.2仿真结果 (19)总结 (22)致谢 (24)参考文献 (25)附录1 源程序 (26)摘要【摘要】本课题中的系统主要使用AT89C51芯片作为核心元件，结合外部的显示电路及按键控制电路，构成了一个篮球计时计分器。

整体电路主要由AT89C51芯片、按键控制、显示模块、报警模块这四个模块组成。

设计中主要使用Keil软件和Proteus软件。

Keil软件主要用来对C语言程序进行编译。

Proteus软件主要用来对硬件电路进行仿真。

整个设计可以实现计分显示、计时显示和比赛结束报警等功能。

设计结果表明，在篮球比赛中使用计时计分器可以准确的记录比分和比赛时间，也可以增加篮球比赛的观赏性。

【关键词】AT89C51，篮球，计时器，计分器第一章绪论本文介绍的是基于单片机控制的篮球计时计分器的发展和前景，论述其系统的组成框图，对各部分电路的功能及其器件进行论证，主要包括篮球计时计分器的显示电路，复位电路、振荡电路、按键控制电路的实现方案及各部分电路使用器件。

并设计软件部分的程序流程图、编写相应的程序。

最后，应用Proteus软件，实现了功能仿真。

1.1设计背景在日常生活中单片机将我们的生活变的更加智能，许多繁琐的系统如果改由单片机进行设计，便能使系统更简洁、更智能。

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2009届毕业设计（论文）题目：基于单片机的篮球赛计时计分器学院、系：电子技术系专业：电子科学与技术学生姓名：肖植班级：电科07521学号： 043指导老师 : 张京摘要本设计是篮球计时计分器，主要在篮球比赛中用于记录整个赛程的比赛时间和显示甲、乙两队在比赛过程中的比分情况。

该计时计分器有部分组成：一部分用来实现计时功能，其基本原理和定时闹相似；另一部分用来实现计分功能，其基本原理和计数器相似，只不过所要记录和显示的对象是按键按下的次数，每按下一次计数值加一。

该设计能够实现计时和计分功能，采用共阴极数码管进行动态显示，加分的部分用按键来完成，每按一次发送一个计数脉冲，计数值加一。

关键词：计时计分动态显示AbstractThis design is time basketball scoring device, mainly for recording in the basketball game of playing time throughout the race and display A and B teams score during the game situation.This time scoring machine has parts: used to achieve the timing function, the basic principles and similar time downtown; another part of the scoring functions used to implement the basic principles and counter similar to, but want to record and display the objects are keyPress the number of times, each time you press the count plus one.The design can achieve timing and scoring functions, the use of dynamic common cathode LED display, plus some to complete with buttons, each time sending a pulse count, the count plus one.Key Words：to keep time to keep score dynamic to show目录中文摘要 (I)英文摘要 (Ⅱ)第一章绪论 (1)1.1发展背景. (1)1.2系统功能 (10)1.3课题运用的知识点 (10)1.4课题组成 (10)第二章课论基础 (9)2.1 单片机概述··········································································································2.1.1 AT89C51性能介绍 ··························································································2.2七段数码管的基本介绍·····················································································2.2.1简介 ····················································································································2.2.2硬件译码·············································································································2.2.3软件译码·············································································································2.2.4显示方法·············································································································第三章系统原理的设计 ······················································································3.1课题的技术和量化要求·······························································································3.2系统的组成框图··········································································································第四章硬件部分的设计···························································································4.1 单片机接口电路··········································································································4.2 数码显示电路··········································································································第五章软件部分设计···································································································5.1 按键模块············································································································5.1.1 简介············································································································5.1.2 键盘处理的流程图····················································································5.1.3 源代码········································································································ 5.2 显示模块········································································································5.2.1 简介············································································································5.2.2 显示的流程图····························································································5.2.3 源代码········································································································5.3 成绩调整模块 ································································································5.3.1 简介············································································································5.3.2 成绩调整流程图························································································5.3.3 源代码········································································································ 5.4 延时模块 ·······································································································5.4.1 简介············································································································5.4.2 延时的流程图····························································································5.4.3 源代码········································································································课题设计总结···········································································································附录一原理图····················附录二源程序设计··················参考文献·······················致谢······································································································································第一章绪论1.1发展背景体育比赛计时记分系统是对体育比赛过程中所产生的时间、比分等数据进行快速采集记录、加工处理、传递利用的信息系统。

分类号编号华北水利水电学院North China University of Water Resources and Electric Power 毕业设计题目:基于51单片机的球赛计时计分器院系信息工程学院专业电子信息工程姓名学号200711719指导教师2011 年 5 月23日华北水利水电学院毕业设计任务书设计题目：基于51单片机的球赛计时计分器专业：电子信息工程班级学号：200711719姓名：指导教师：设计期限：2011年3月7 日开始2011年5月25日结束信息工程学院2011年3月一、毕业设计的目的1、围绕课程设计的内容，培养学生查询相关资料以及文献检索的能力，培养学生对新知识新技术的独立的学习能力和应用能力；2、培养学生对以往所学知识的综合运用能力；在理解课堂所讲知识的基础上，提高学生的自学能力；3、培养学生了解并逐步熟悉科学研究的整个过程，养成良好的科学态度以及实事求是、严谨塌实的工作作风；培养学生独立分析问题和解决问题的科学研究的能力；4、通过本课程设计，培养学生在单片机应用系统的软、硬件相结合方面的综合能力，既要培养学生在软件编程方面的能力，同时还要培养学生在硬件方面的实践能力以及综合调试等能力。

二、主要设计内容及基本要求1、能记录整个赛程的比赛时间，并能修改比赛时间、暂停比赛时间。

2、能随时刷新甲、乙两队在整个赛程中的比分。

3、中场交换比赛场地时，能交换甲、乙两队比分的位置。

4、比赛时间结束时，能发出报警指令。

5、共接入10个八段LED显示器，其中6个用于记录甲、乙两队的分数，每队3个LED显示器显示分数范围可达到0—999分；4个LED显示器则用来记录赛程的时间，其中2个用于显示分钟；2个用于显示秒钟。

赛程计时采用倒计时方式，计时范围可达到0—99分钟。

6、为了配合计时器和计分器校正、调整时间和比分，在设计中设立了7个按键。

其中4个用于输入甲、乙两队的分数；另外3个则用于完成设置、调整、启动和暂停赛程时间等功能。

摘要本设计是要完成篮球比赛计时计分系统，实现两队双方比分、时间的显示，以及对比分、时间的调整的功能。

整个篮球比赛计时计分设计系统由硬件和软件组成。

其中硬件主要由最小系统、显示部分电路和按键部分电路三个部分组成。

其中最小系统主要由单片机和相关的外围电路组成，用来作为整个设计的核心，选用单片机STC89C52RC，配合其中烧制的程序达到相应的控制功能。

显示部分电路主要LCD1602显示器与其相关电路组成。

用来显示两队双方的分数、系列赛局之比，以及小节时间和24秒进攻时间。

按键部分电路由独立式按键组成，共13个按键，用来控制不同的功能，双方比分和局数的加减和时间的调整，以及对整个设计的启动、暂停和复位。

软件部分主要由主程序、显示子程序和键盘模块子程序组成。

本设计的硬件电路设计采用Altium Designer软件，绘制原理图，封装后，形成PCB图，后利用Keil软件来进行编译，将生成的HEX文件装入芯片中，采用Proteus 软件仿真，检验功能是否正常。

进行硬件实物调试，最终通过调试，基本完成预期功能，达到目标。

关键词： STC89C52RC LCD1602显示器计时计分器ABSTRACTThis design is to complete the system of basketball game timing and scoring, the two tea ms score, time display, and contrast, function.Time adjustment of the whole time basketball scoring system design consists of hardwar e and software. The hardware mainly consists of the minimum system, showing the three part circuit and the key part of the circuit. The minimum system consists of microcontroller and rel ated peripheral circuit, is used as the core of the whole design, single chip STC89C52RC, wit h the firing of the program to the corresponding control function. The display part mainly rela ted circuit LCD1602 display circuit. To display the two sides series game scores, the ratio of s ection and time and 24 seconds. The key part circuit is composed of independent keys, a total of 13 buttons used to control different functions, both the score and the number of board plus Reduction and time adjustment, and the start of the entire design, pause and reset. The softwar e part includes the main program, keyboard module and display subroutine subprogram. The hardware circuit design of the design using Altium Designer software, drawing principle diagr am, package, PCB map, after the use of Keil software to compile HEX the file is loaded into t he chip, using the Proteus software, check whether the normal function. The hardware debugg ing, finally through debugging, the basic completion of the intended function, achieve the goa l.Keyword: STC89C52 LCD1602 display Timing and scoring device目录第一章绪论 (1)1.1课题来源及意义 (1)1.2国内外发展现状 (1)1.3课题的研究目标及研究思路 (2)第二章系统方案设计 (3)2.1系统设计方案 (3)2.1.1设计任务分析 (3)2.1.2系统总体设计方案 (3)2.1.3显示方案的选择 (3)2.2系统基本功能介绍 (5)2.3篮球比赛计时计分过程 (6)第三章系统硬件设计 (7)3.1最小系统 (7)3.2显示部分硬件设计 (10)3.3报警器 (12)3.4按键开关 (12)3.5系统总体电路设计 (13)3.6器件的选择与价格 (14)3.7PCB图 (14)第四章软件编程设计 (16)4.1主程序设计 (16)4.1.1液晶显示部分设计 (18)4.1.2键盘模块部分设计 (18)4.2软件开发平台 (20)第五章调试 (21)5.1软件调试 (21)5.2实验调试 (23)5.2.1实验方案 (23)5.2.2 调试流程 (23)5.3结果及结论 (25)结论 (26)谢辞 (27)参考文献 (28)附录 (29)第一章绪论1.1课题来源及意义体育比赛计时计分器是对体育比赛过程中所产生的时间、比分等数据进行快速采集记录、加工处理、传递利用的工具。

毕业设计论文基于51单片机的篮球比赛计分器设计系别: 机电工程系专业名称: 自动化学号: 26100102059学生姓名: 黎俊杰指导教师: 卢满怀指导单位: 机电工程系完成时间: 2010年5月5日电子科技大学中山学院毕业设计（论文）任务书电子科技大学中山学院毕业设计（论文）成绩评定表基于51单片机的篮球比赛计分器设计概要本系统是采用单片机AT89C51作为本设计的核心元件。

利用7段共阳LED 作为显示器件。

在此设计中共接入了2个7段共阳LED显示器，用于记录该队的分数，2个LED显示器显示范围可达到0~99分，基本满足赛程需要。

当比赛队得1分时，按下S1键加1分，得2分时按S2键加2分，得3分时按下S3键加3分。

如分数计错需减分时，每按一次S4键减1分。

采用单片机控制是这个系统按键操作使用简洁，LED显示，安装方便。

解决了篮球比赛计分器的安装问题，节约了线材，适合在各种规模的体育场馆使用，完全可以代替传统的用钟表进行计时的方法，当然稍加改动也可以用于其他球类比赛，是体育器材向智能化发展的一个实例。

关键词：AT89C51 LED显示定时/计数器Based on the basketball game JiFenQi 51 SCM designAlmost toThis system is used for the design of single-chip AT89C51 core components. Use a total of seven sections Yang LED display device. In the design of the CPC access for 7 total Yang LED display, to record the team score, 2 LED display range of 0-99 points can be achieved, basically meeting schedule needs. When the team have 1 points, press the button and S1, according to two points with 2 points, S2 keys to 3 points press S3 button and three points. If plan to reduce the wrong scores points, each time you press the button minus 1. S4 'Using single-chip microcomputer control system is the key operation, the LED display concise and easy installation. To solve the problem of the basketball game JiFenQi installation, saving a wire, suitable for all kinds of sports venues, can completely replace the traditional method of using clock time, of course, revising can also be used to other ball games, sports equipment to the development of intelligence is an example of.Keywords: AT89C51 LED display time/counters目录引言 (1)1 设计意义与要求 (7)1.1 设计意义 (7)1.2 设计要求 (7)2系统总体方案及硬件设计 (10)2.1 AT89C51简介 (10)2.2 数码管显示原理 (10)2.3 系统总体方案 (11)3 编程设计 (12)3.1 定时/计数器 (12)3.2 程序流程图 (13)3.3 程序分析 (15)4 Proteus软件仿真 (16)4.1 Proteus仿真软件简介 (16)4.2 仿真过程 (16)5 调试分析............................................................................. 错误！未定义书签。

毕业设计（论文）本次设计用由AT89C51编程控制LCD作显示的球赛计时计分系统。

该系统具有赛程时间暂停，及时刷新甲、乙双方的成绩等功能。

它具有价格低廉，性能稳定，操作方便并且易于携带等特点。

广泛适合各类学校或者小型团体作为赛程计时计分。

篮球比赛计时计分器是为了解决篮球比赛时计分与计时准确的问题。

此装置利用单片机AT89C51完成了计时和计分的功能。

本文详细地介绍了系统硬件与软件的设计过程，采用该装置可根据实际情况进行比分修改和时间的准确显示，具有低功耗，可靠性，安全性以及低成本等特点。

二、本课题的基本内容、重点和难点，工作进度安排等。

1）基本内容本设计是基于AT89C51单片机的篮球计时计分器，利用7段共阴LED作为显示器件。

在此设计中共接入了1个四位一体7段共阴LED显示器，2个两位一体7段共阴LED显示器，前者用来记录赛程时间，其中2位用于显示分钟，2位用于显示秒钟，后者用于记录甲乙队的分数，每队2个LED显示器显示范围可达到0~99分。

赛程计时采用倒计时方式，比赛开始时启动计时，直至计时到零为止。

其次，为了配合计时器和计分器校正调整时间和比分，我们特定在本设计中设立了7个按键，用于设置，调整时间，启动，调整分数和暂停等功能。

采用单片机控制是这个系统按键操作使用简洁，LED显示，安装方便。

2）重点和难点（1）按键加减能够在数码管上同步显示，没有延时（2）消除按键抖动2014届毕业设计（论文）资料第二部分设计说明书目录摘要 (1)绪论 (2)第一章单片机A T89C51的简介 (3)第二章设计方案 (6)2.1本设计的基本功能介绍 (6)2.2系统框图 ...................................................................................................62.3 系统硬件组成电路 62.3.1显示器及接口 (6)2.3.2单片机（AT89C51） (8)2.3.2按键电路 (8)2.3.3复位电路 (8)2.3.4时钟电路 (8)第三章硬件电路设计 (9)3.1 最小系统设计 (9)3.1.1晶振电路（时钟电路） (10)3.1.2复位电路 (10)3.2 EA/VPP（31 脚）的功能和接法 (11)3.3 P0 口外接上拉电阻 (12)3.5按键电路 (13)第四章软件设计 (15)4.2按键流程图 (16)4.2.1按键切换 (16)4.2.2按键加减 (17)4.3中断流程图 (18)4.4软件调试 (19)总结 (20)致谢 (21)参考文献 (22)附录1 原理图 (23)附录2 程序 (24)摘要本设计是基于AT89C51单片机的篮球计时计分器，利用7段共阴LED作为显示器件。

目录摘要: (3)ABSTACT (3)第一章绪论 (5)1.1设计意义 (5)1.2系统的基本要求及本人所做工作 (5)第二章方案选择及设计思想 (6)2.1系统显示模块 (6)2.1.1 1602接口说明 (6)2.1.2 1602A的部分使用说明 (7)2.2单片机设计模块 (8)2.3键盘模块 (10)第三章硬件设计 (10)3.1原理框图 (10)3.2工作原理 (11)3.2.1 LCD显示器LCD1602 (11)3.2.2时钟电路 (11)3.2.3复位电路 (12)3.2.4按键电路 (12)3.3元件清单 (13)3.4电路图 (13)第四章软件设计流程及描述 (14)4.1系统模块层次结构图 (14)4.2程序流程图 (14)4.3初始化程序 (16)4.3.1 T0,T1的初始化 (16)4.3.2 LCD初始化 (16)4.4LCD内部程序 (16)4.4.1读忙判断程序 (16)4.4.2 写函数 (17)4.5按键扫描 (18)第五章测试 (19)5.1测试工具 (19)5.2测试结果 (19)5.3仿真图 (19)第六章总结 (20)参考文献 (20)附录 (20)致谢............................................. 错误！未定义书签。

篮球计时计分器设计摘要:此次设计隶属于计算机控制技术弱电课程设计，主要通过基于单片机AT89S51芯片作为本次核心控制元件，利用1602aLCD作为显示器件，键盘输入电路等相关的软件的有机结合以及喇叭等辅助器件，构成了一个满足基本设计要求的篮球计时计分器。

本系统可满足倒计时方式显示单节比赛剩余时间，可暂停，显示双方得分，按键输入可修改分值，如有错误可进行分值的相应修改。

整场比赛结束时有声音提示。

系统符合一般篮球计时器的工作要求。

采用液晶显示器1602aLCD，因为其微功耗、小体积、使用灵活等诸多优点在袖珍式仪表和低功耗应用系统中得到越来越广泛的应用，而且有利于硬件实物的成功。