目录
- 基于51单片机的篮球比赛计时器
- 1、PCB原理图
- 2、仿真图
- 3、毕设要求:
- 4、总体方案设计
- 5、程序源码
- 6、资源下载
基于51单片机的篮球比赛计时器
注:本毕设资源可在微信公众号:“Kevin的学习站” 中获取!
原文地址:http://www.51hei.com/bbs/dpj-215748-1.html
1、PCB原理图
2、仿真图
3、毕设要求:
计分系统:
(1)分为“A队”和“B队”的“3分”,“2分”,“1分”各六个按键输入部分,以及两队比分的LED显示部分。在每次增加分数的同时,“24秒”计时恢复为初始值,“12分钟”计时暂停,等待比赛的继续进行
计时系统:
(1)比赛开始/继续:当“比赛开始/继续”键按下后,“24s”和“12分钟”计时器开始倒计时;
(2)手动24s复位:当“24s复位” 键按下后,“24s”倒计时恢复初始值,“12分钟”倒计时暂停,等待比赛的继续;
(3)比赛暂停:“比赛暂停”键按下后,“24s”倒计时和“12分钟”倒计时均暂停,等待比赛的继续进行;
(4)自动增加比赛节数:当“12分钟”倒计时完成后,判断当前节数是否为最后一节,若不是,则节数自动增加,并“12分钟”和“24s”均恢复默认值,等待下一节比赛的进行。
4、总体方案设计
篮球比赛计时计分器主要包括单片机控制系统、数码管/LCD显示模块、按键控制模块、报警模块、时钟电路及复位电路。通过几个模块的协调工作就可以完成相应的计时计分控制和显示功能。模块框图如下图所示。
本设计采用单片机AT89C51作为本设计的核心元件。利用LCD1602显示屏作为显示器件。LCD1602显示的内容包括比赛队伍的名称和比分情况,并且显示赛程时间(分钟:秒钟)以及比赛节数和“24S”倒计时。本设计中设立了10个按键,其中6个用于设置两队的比分,1个用于比赛开始/比赛继续,1个用于暂停,1个用于手动增加比赛节数,一个用于恢复“24s”倒计时等功能。赛程计时采用倒计时方式,本节比赛结束时,蜂鸣器报警模块进行报警。
5、程序源码
#include"KeyBord.h"
#include"LCD1602.h"
#include"Timer.h"
sbit Beep = P1^5;
char rule_time = 24;
unsigned int A_Score = 0;
unsigned int B_Score = 0;
unsigned char match = 1;
unsigned char rule_flag = 0;
unsigned char Beep_flag =0 ;
unsigned char Start_flag = 0;
unsigned char Time_Data[4];
unsigned char Score[6];
unsigned char Temp[4];
void Key_Control();
void main()
{
Beep_flag = 1;
LCD_Init();
Timer0_Init();
while(1)
{
Key_Control();
Time_Data[0] = '0' + minute / 10;
Time_Data[1] = '0' + minute % 10;
Time_Data[2] = '0' + second / 10;
Time_Data[3] = '0' + second % 10;
Temp[0] = '0' + match / 10;
Temp[1] = '0' + match % 10;
Temp[2] = '0' + rule_time / 10;
Temp[3] = '0' + rule_time % 10;
Score[0] = '0' + A_Score / 100;
Score[1] = '0' + A_Score % 100 / 10;
Score[2] = '0' + A_Score % 100 % 10;
Score[3] = '0' + B_Score / 100;
Score[4] = '0' + B_Score % 100 / 10;
Score[5] = '0' + B_Score % 100 % 10;
LCD_Write_Str(1,0,"H.T");
LCD_Write_Char(5,0,Score[0]);
LCD_Write_Char(6,0,Score[1]);
LCD_Write_Char(7,0,Score[2]);
LCD_Write_Str(8,0,":");
LCD_Write_Char(9,0,Score[3]);
LCD_Write_Char(10,0,Score[4]);
LCD_Write_Char(11,0,Score[5]);
LCD_Write_Str(13,0,"R.T");
LCD_Write_Char(0,1,Time_Data[0]);
LCD_Write_Char(1,1,Time_Data[1]);
LCD_Write_Str(2,1,":");
LCD_Write_Char(3,1,Time_Data[2]);
LCD_Write_Char(4,1,Time_Data[3]);
LCD_Write_Str(6,1,"SEC-");
LCD_Write_Char(10,1,Temp[0]);
LCD_Write_Char(11,1,Temp[1]);
LCD_Write_Char(13,1,Temp[2]);
LCD_Write_Char(14,1,Temp[3]);
if(second < 0)
{
if(minute == 0)
{
if(match < MATCH)
{
match++;
minute = SET_TIME;
rule_time = RULE_TIME;
second = 0;
}
else
{
second = 0;
}
TR0 = 0;
while(Beep_flag)
{
Key_Control();
Beep = ~Beep;
DelayUs2x(10);
}
}
else
{
second = 59;
minute--;
}
}
if(rule_time < 0 && rule_flag)
{
TR0 = 0;
rule_time = RULE_TIME;
}
}
}
void Key_Control()
{
switch(KeyScan())
{
case 0x77:
TR0 = 1;
rule_flag = 1;
Beep_flag = 1;
break;
case 0xb7:
TR0 = 0;
break;
case 0x7b:
if(TR0 == 1)
{
rule_time = 0;
rule_flag = 0;
}
else
{
rule_flag = 0;
}
break;
case 0xbb:
if((match >= MATCH) && (minute == 0))
{
TR0 = 0;
match++;
minute = 5;
second = 0;
rule_time = RULE_TIME;
rule_flag = 0;
}
break;
case 0xdb:
Beep_flag = 0;
break;
case 0x7d:
TR0 = 0;
A_Score += 3;
rule_time = RULE_TIME;
rule_flag = 0;
break;
case 0xbd:
TR0 = 0;
A_Score += 2;
rule_time = RULE_TIME;
rule_flag = 0;
break;
case 0xdd:
TR0 = 0;
A_Score += 1;
rule_time = RULE_TIME;
rule_flag = 0;
break;
case 0x7e:
TR0 = 0;
B_Score += 3;
rule_time = RULE_TIME;
rule_flag = 0;
break;
case 0xbe:
TR0 = 0;
B_Score += 2;
rule_time = RULE_TIME;
rule_flag = 0;
break;
case 0xde:
TR0 = 0;
B_Score += 1;
rule_time = RULE_TIME;
rule_flag = 0;
break;
default:break;
}
}
6、资源下载
原文下载地址:http://www.51hei.com/bbs/dpj-215748-1.html
项目的仿真和PCB工程已经放在下面公众号里面,可以关注公众号:Kevin的学习站,输入关键字:“篮球比赛计时器”,就可以免费获取啦!创作不易,但您的点赞、关注、收藏就是对我最大的鼓励!
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