发光二极管流水灯试验.docx

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1、文档实验发光二极管流水灯实验一、实验目的：1.通过AT89C51单片机控制8个发光二极管，八个发光二极管分别接在单片机的P0.0-P0.7接口上，输出“ 0”时，发光二极管亮。开始时 P0.0 - P0.1.一 P0.7,实现亮点以1HZ频率循环 移动。2.用PROTEU酸计，仿真以AT89C51为核心的发光二极管流水灯实验装置。3.掌握发光二极管的控制方法。、PROTEUS路设计:L.L LRESFAGK-8dOO 不 nm -1 1«=.». 1 A /4 .耳国 TC 曰丁. 产 d oo - r一RIB .I 1 noo 甲”1 而 T-C包丁 书 1><

2、; 三、程序部分#include<reg51.h>sbit control = P3A7;void delay(int z)int x,y；for(x=z;x>0;x-)for(y=110;y>0;y-);void main()int i,tmp;control = 0;P0 = 0xef;delay(1000);for(i=1;i<=7;i+)tmp = P0;P0 = (tmp>>1)+ 0x80; delay(1000);实验二开关控制LED数码管实验一、实验目的：1 .通过AT89C51读入4位开关K1、K2、K3、K4的输入状态，并按照二进制

3、编码关系0-F输出到数码管显示。（如 K4K3K2K1全部按下，则显示 F;若只有K2按下，则显示 2。）2 .掌握LED数码管的静态显示。3 .掌握I/O 口的控制方法。、PROTEUS路设计:RP1RESF'ACK B工U1C2IIIRJXVADO PO.mDI PO.2/AD2 PO3JAD3 FO AAAD4 P0.5WD5 PO.6JAD& PO.7JIAD7F3QRKD P3.1/TXD袍耐网 P2.1MP22j«k1O 校如1 PS4M12 P2.5XA13 P2J6XAH P2.7iA15CfCRYSTALTl产J；_ IDSPSENP3.-3ff5f

4、TP3.47TOIP3.5rT1P3.6 便才皿3E JJa3三、程序部分#include<reg51.h>unsigned char table尸0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E,;unsigned char KEY;void main()while(1) KEY = P2; switch(KEY) case 0xff:P0 = table0;break;case 0xfe:P0 = table1;break;case 0xfd:P0 = table2;b

5、reak;case 0xfc:P0 = table3;break;case 0xfb:P0 = table4;break;case 0xfa:P0 = table5;break;case 0xf9:P0 = table6;break;case 0xf8:P0 = table7;break;case 0xf7:P0 = table8;break;case 0xf6:P0 = table9;break;case 0xf5:P0 = table10;break;case 0xf4:P0 = table11;break;case 0xf3:P0 = table12;break;case 0xf2:P0

6、 = table13;break;case 0xf1:P0 = table14;break;case 0xf0:P0 = table15;break; default :break;实验三外中断优先级实验一、实验目的：1 .理解单片机中断优先级和优先权。2 .用PROTEUS：计，仿真基于 AT89C51片机的中断优先级实验。3 .掌握中断编程方法。单片机主程序控制P0 口数码管循环显示08;外中断0、外中断1发生时分别在 P2 口、P1 口依次显示08。通过实验可演示高优先级可中断低优先级，但低优先级的 中断请求不能中断高优先级。二、PROTEUS路设计：RP1RE狮也陵hlJI gll 艮

7、HA 一良 .吕 弋adMALIXTAL2IQRSTFsej Lb 百.用.Q徜期 配.irMi PlI.263E; POJi'XH PO.+'.AM 曰 5>'fiD5 MM PD.灯即P2CUWP2 1j0« 理力同口 P2。网 I P2.411012 P2.5/W3 用囱用4 P2 7/SJ5P3货而" p 二 4n pj t/n po.aWP37fflB、程序部分#include<reg51.h>共阳数码unsigned char code table尸0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0

8、xF8,0x80;管的段码void delay(int z)/延时子程序，大约 1msint x,y;for(x=110;x>0;x-) for(y=z;y>0;y-);int i0=0,i1=0;void main()int i;EX0 = 1;EX1 = 1;IT0 = 1;IT1 = 1;PX0 = 1;PX1 = 0;EA = 1;while(1)for(i=0;i<9;i+)/用于中断0,1显示数码管的变量/开外部中断0/开外部中断1/开总中断/P0循环显示08 P0 = tablei; delay(200); void int0()interrupt 0/外部中断

9、0优先级高于外部中断 1 ,中断号为0for(i0=0;i0<9;i0+)/ 显示 08 P2 = tablei0; delay(200); void int1()interrupt 2/ 外部中断 1,中断号为 2for(i1=0;i1<9;i1+)/ 显示 08 P1 = tablei1; delay(200); 实验四 60S倒计时实验、实验目的:1 .通过AT89C51的定时器实现60S倒计时，显示采用两位数码管动态显示2 .用PROTEUS2：计，仿真基于 AT89C51II片机的60S倒计时实验。、PROTEUS路设计:1JFIDin P112 P123" P

10、I” P14529_E3DM31 WALIXTAL2RSTpie?"P178«j£n 16PiEN 乩E 育盟皿及P2J收 F2.2/A10 P2.3/A11 P2.4/A12 P2.5/A13 P2.6/A14 P2.77A15P3WRXD F3.1/D© P3.2/IW P3,3/n7|TP3.4HDP3.5/HP3.8MWP3.7/RD三、程序部分#include<reg52.h>sbit GE = P2A1;sbit SHI = P2A0；int count = 0,number = 60;unsigned char code tab

11、le尸0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E;void delay(int z);void display。；void main()EA = 1;ET0 = 1;TMOD = 0X01;TH0 = (65536-50000)/256;TL0 = (65536-50000)%256;TR0 = 1;while(1)display。;文档void delay(int z)int x,y；for(x=110;x>0;x-) for(y=z;y>0;y-); void d

12、isplay。SHI = 0;GE = 1;P1 = tablenumber%10;delay(10);GE = 0;SHI = 1;P1 = tablenumber/10; delay(10);void time_count() interrupt 1TH0 = (65536-50000)/256;TL0 = (65536-50000)%256;count+;if(count = 20)count = 0; number-;if(number < 0)number = 59;又档实验五 矩阵式键盘的设计一、实验目的：1 .掌握键盘设计中按键识别的原则。2 .用PROTEUS：计一个常规

13、4X4的矩阵键盘。3 .键盘编码规则自己定义，分别对应数字键 0-9、A-F,按下对应的按键显示在数 码管上显示对应的数据。二、PROTEUS路设计：.卜 XTOJ XTA12. HatFJ.IfTWB 。旦mrro -u-i'IMTIF3.»m P3jmIF3 7/HE-raM用内口11口口"，三、程序部分#include<reg51.h>sbit show_1 = P1A0;sbit show_2 = P1a1； sbit show_3 = P1A2; sbit show_4 = P1A3;unsigned char j,k,temp,key;uns

14、igned char code table尸0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0x88,0x83,0xC6,0xA1,0x86,0x8E,;void delay(unsigned char i);void display(unsigned char num);void key_scan();void main()while(1)key_scan(); display(key);void delay(unsigned char i)for(j=i;j>0;j-) for(k=110;k>0;k-);void displ

15、ay(unsigned char num)P0=tablenum;show_4 = 0;void key_scan()P2=0xef;temp=P2;temp=temp&0x0f;if(temp!=0x0f)delay(10);if(temp!=0x0f)temp=P2;switch(temp)case 0xe7:key=0;break;case 0xeb:key=1;break;case 0xed:key=2;break;case 0xee:key=3;break;while(temp!=0x0f)文档temp=P2;temp=temp&0x0f;display(key);P

16、2=0xdf;temp=P2;temp=temp&0x0f;if(temp!=0x0f)delay(10);if(temp!=0x0f)temp=P2;switch(temp)case 0xd7: key=4; break;case 0xdb: key=5; break;case 0xdd: key=6; break;case 0xde: key=7; break;while(temp!=0x0f)temp=P2;temp=temp&0x0f;display(key);P2=0xbf;temp=P2;temp=temp&0x0f;if(temp!=0x0f)delay(

17、10);if(temp!=0x0f)temp=P2;switch(temp)case 0xb7:key=8;break;case 0xbb:key=9;break;case 0xbd:key=10;break;case 0xbe:key=11;break;while(temp!=0x0f)temp=P2;temp=temp&0x0f; display(key);P2=0x7f;temp=P2;temp=temp&0x0f;if(temp!=0x0f)delay(10);if(temp!=0x0f)temp=P2;switch(temp)case 0x77:key=12;brea

18、k;case 0x7 b: key=13; break;case 0x7d: key=14; break;case 0x7e: key=15; break;while(temp!=0x0f)temp=P2;temp=temp&0x0f;display(key);实验六 AD 转换程序设计、实验目的:1 .掌握转换器ADC0809勺使用。2 .用PROTEUS：计，仿真基于 AT89C51片机的A/D转换实验。3 .通过改变电位器的值改变模拟量的输入，经转换为数字量在LED上显示，比对模拟量和数字量的关系。二、PROTEUS路设计：己35raiKDi pa ami KIJftM 用叫制P

19、OT>.：'1*2M 也3FZ3MQ PJ3M1F21AU P2BA1JV±M«14 REI色精pn:>：DRJ1T<D Fjjrwni p3jswTT阳MTO pqjxrirarflT受工主p*00 a ADO I jmaeME"1TMET三、程序部分#include<reg51.h>sbit OE = P3A1;sbit START = P3A3;sbit NUM_1 = P3A4;sbit NUM_2 = P3A5;sbit NUM_3 = P3A6;sbit NUM_4 = P3A7;sbit dp = P1A7;un

20、signed char code table尸0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;unsigned int date;void show();void delay(int z)int x,y;for(x=z;x>0;x-) for(y=110;y>0;y-);void main()EX0 = 1;IT0 = 1;EA = 1;START = 0;START = 1;START = 0;while(1);void over() interrupt 0OE =

21、1;date = P0;OE = 0;show();START = 0;START = 1;START = 0;void show()NUM_3 = 1;NUM_2 = 1;P1=tabledate/51;dp = 1;NUM_1 = 0;delay(5);NUM_1 = 1;P1=tabledate%51*100/51/10;NUM_2 = 0; delay(5);NUM_2 = 1;P1=tabledate%51*100/51%10;NUM_3 = 0; delay(5);实验七 双机通信实验一、实验目的：4 .掌握单片机串口通信程序的设计。5 .了接RS232接口通信的特点。6 .双机通

22、信：分别把接收到的对方通过逻辑开关输入的信息在本地数码管上显示，如下图甲机的逻辑开关数据为 81H,乙机通过串口接收该数据并数码关管显示，而甲机显示乙机发送的数据 88K二、PROTEUS路设计：B8 HH EH三、程序部分#include<reg51.h>void init()TMOD = 0X20;/定时器1方式2TH1 = 0XFD;TL1 = 0XFD;/装入初值TR1 = 1;/启动定时器SM0 = 0;SM1 = 1;/设置方式1TI = 0;RI = 0;ES = 1;打开串口中断EA = 1;打开总中断ES = 1;打开串口中断REN = 1;/接收使能SBUF = P1;void main()init()；while(1);void serial() interrupt 4if(RI)RI = 0;从缓冲区中把接收的字符放入P0 = SBUF; / if(TI) TI = 0;SBUF = P1;