虚拟单片机实验系统的开发程序代码毕业论文附录

1、附 录1. LED流水灯电路的C语言程序/flow light and beep 流水灯从上到下流一遍，蜂鸣器发出“嘟嘟”的声音#include <reg51.h>#include <intrins.h>unsigned char a,b,k,j;sbit beep=P23;void delay10ms() for(a=100;a>0;a-) for(b=225;b>0;b-); void main() k=0xfe; while(1) delay10ms(); beep=0; delay10ms(); beep=1; j=_crol_(k,1); k=j;

2、 P1=j; 2. LCD字符显示电路C语言程序/*程序功能：敲入式地显示一段语句，由于语句超过了16*2个字节，故采取了分屏显示的方式，共分为六屏先后显示。*/#include<reg52.h>#define uchar unsigned char#define uint unsigned intsbit beep=P23;uchar code table ="I want to bring "uchar code table1="out the secret "uchar code table2="of nature and &

3、quot;uchar code table3="apply them for "uchar code table4="the happiness of"uchar code table5="man.I don't know"uchar code table6="of any better s-"uchar code table7="-ervice to offer"uchar code table8="for the short t-"uchar code table

4、9="-ime we are in "uchar code table10="the world. "uchar code table11="-Thomas Edison"sbit lcden=P34;sbit lcdrs=P35;sbit dula=P26;sbit wela=P27;uchar num;void delay(uint z)uint x,y;for(x=z;x>0;x-)for(y=110;y>0;y-);void write_com(uchar com)lcdrs=0;P0=com;delay(5);l

5、cden=1;delay(5);lcden=0;void write_data(uchar date)lcdrs=1;P0=date;delay(5);lcden=1;delay(5);lcden=0;void init()dula=0; wela=0;lcden=0;write_com(0x38);write_com(0x0e);write_com(0x06);write_com(0x01);write_com(0x80);void main()init();for(num=0;num<16;num+) /第一屏beep=0;write_data(tablenum);delay(100

6、);beep=1;delay(50);write_com(0x80+0x40);for(num=0;num<16;num+)beep=0;write_data(table1num);delay(100);beep=1;delay(50);write_com(0x01); /清屏 write_com(0x80); /设置字符显示位置指针于第一行for(num=0;num<16;num+) / 第二屏beep=0;write_data(table2num);delay(100);beep=1;delay(50);write_com(0x80+0x40); /设置字符显示位置指针于第二行

7、for(num=0;num<16;num+)beep=0;write_data(table3num);delay(100);beep=1;delay(50); write_com(0x80);write_com(0x01);for(num=0;num<16;num+) /第三屏beep=0;write_data(table4num);delay(100);beep=1;delay(50);write_com(0x80+0x40);for(num=0;num<16;num+)beep=0;write_data(table5num);delay(100);beep=1;delay

8、(50);write_com(0x01); write_com(0x80);for(num=0;num<16;num+) /第四屏beep=0;write_data(table6num);delay(100);beep=1;delay(50);write_com(0x80+0x40);for(num=0;num<16;num+)beep=0;write_data(table7num);delay(100);beep=1;delay(50);write_com(0x01); write_com(0x80);for(num=0;num<16;num+) /第五屏beep=0;wr

9、ite_data(table8num);delay(100);beep=1;delay(50);write_com(0x80+0x40);for(num=0;num<16;num+)beep=0;write_data(table9num);delay(100);beep=1;delay(50);write_com(0x01); write_com(0x80); for(num=0;num<16;num+) /第六屏beep=0;write_data(table10num);delay(100);beep=1;delay(50);write_com(0x80+0x40);for(nu

10、m=0;num<16;num+)beep=0;write_data(table11num);delay(100);beep=1;delay(50);while(1);3. 数码管动态扫描电路C语言程序#include<reg52.h>#include<intrins.h>#define uint unsigned int#define uchar unsigned charuchar temp,aa,num;sbit dula=P26;sbit wela=P27;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d

11、,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void delay(uint z);void main()num=0;aa=0;TMOD=0x01;TH0=(65536-50000)/256;TL0=(65536-50000)%256;EA=1;ET0=1;TR0=1;temp=0xfe;P1=temp;dula=1;P0=table0;dula=0;wela=1;P0=0xc0;wela=0;while(1)delay(1000);temp=_crol_(temp,1);P1=temp;/*if(aa=40)aa=0;num+;if(num=16

12、)num=0;dula=1;P0=tablenum;dula=0;*/void delay(uint z)uint x,y;for(x=z;x>0;x-)for(y=110;y>0;y-);void timer0() interrupt 1 TH0=(65536-50000)/256;TL0=(65536-50000)%256;aa+;if(aa=40)aa=0;num+;if(num=16)num=0;dula=1;P0=tablenum;dula=0;4单键识别电路C语言程序/*程序功能： 生活中常见一个按键随着按下次数不同对应不同功能， 本程序以s2键为例，模拟其具有2种功能

13、， 一是点亮一个发光二极管，二是蜂鸣器发声*/#include<reg52.h>#define uchar unsigned char uchar num;sbit beep=P23;sbit led=P10;sbit s2=P34;void delay(uchar i)uchar j,k;for(j=i;j>0;j-)for(k=125;k>0;k-);void main()while(1)if(s2=0)delay(20); /消抖if(s2=20)while(!s2); /等待按键松开num+;switch(num)case 1: led=0;beep=1; br

14、eak;case 2: beep=0;led=1;num=0; break;5矩阵键盘电路C语言程序/4*4键盘检测程序,按下键后相应的代码显示在数码管上#include<reg51.h>sbit beep=P23;sbit dula=P26;sbit wela=P27; unsigned char i=100;unsigned char j,k,temp,key;void delay(unsigned char i) for(j=i;j>0;j-) for(k=125;k>0;k-);unsigned char code table=0x3f,0x06,0x5b,0x

15、4f,0x66,0x6d,0x7d, 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void display(unsigned char num) P0=tablenum; / P0=0xff; dula=1; dula=0; P0=0xc0; wela=1; wela=0;void main() dula=0; wela=0; while(1) P3=0xfe; temp=P3; temp=temp&0xf0; if(temp!=0xf0) delay(10); if(temp!=0xf0) temp=P3; switch(temp) ca

16、se 0xee: key=0; break; case 0xde: key=1; break; case 0xbe: key=2; break; case 0x7e: key=3; break; while(temp!=0xf0) temp=P3; temp=temp&0xf0; beep=0; beep=1; display(key); / P0=tablekey; /* P0=0xff; dula=1; while(i-); dula=0; P0=0xc0; wela=1; wela=0; dula=0; wela=0; P0=0xff; dula=1; dula=0; P0=0x

17、c5; wela=1; wela=0; */ P1=0xfe; P3=0xfd; temp=P3; temp=temp&0xf0; if(temp!=0xf0) delay(10); if(temp!=0xf0) temp=P3; switch(temp) case 0xed: key=4; break; case 0xdd: key=5; break; case 0xbd: key=6; break; case 0x7d: key=7; break; while(temp!=0xf0) temp=P3; temp=temp&0xf0; beep=0; beep=1; disp

18、lay(key);/* P0=tablekey; dula=1; / while(100-); dula=0; P0=0xc0; wela=1; wela=0; */ P1=0xfc; P3=0xfb; temp=P3; temp=temp&0xf0; if(temp!=0xf0) delay(10); if(temp!=0xf0) temp=P3; switch(temp) case 0xeb: key=8; break; case 0xdb: key=9; break; case 0xbb: key=10; break; case 0x7b: key=11; break; whil

19、e(temp!=0xf0) temp=P3; temp=temp&0xf0; beep=0; beep=1; display(key); /* P0=tablekey; dula=1; / while(100-); dula=0; P0=0xc0; wela=1; wela=0; */ P1=0xf8; P3=0xf7; temp=P3; temp=temp&0xf0; if(temp!=0xf0) delay(10); if(temp!=0xf0) temp=P3; switch(temp) case 0xe7: key=12; break; case 0xd7: key=1

20、3; break; case 0xb7: key=14; break; case 0x77: key=15; break; while(temp!=0xf0) temp=P3; temp=temp&0xf0; beep=0; beep=1; display(key); /* P0=tablekey; dula=1; / while(100-); dula=0; P0=0xc0; wela=1; wela=0; */ P1=0xf0; 6.AD转换电路C语言程序/拧动电位器，会在数码管的前三位显示0-255之间的数值。这就是把模拟电压转换成数字信号。/有些拧动电位器后数码管数可能不会动态

21、变化，请用户按下实验板上的S22复位按键可更新数据/这种显象产生的原因是和AD芯片自身的一些特性有关。#include<reg51.h>#include <intrins.h>#define uint unsigned int#define uchar unsigned charsbit adrd=P37; /IO口定义sbit adwr=P36;sbit diola=P25;sbit dula=P26;sbit wela=P27;unsigned char j,k,adval;void delay(unsigned char i)/延时程序 for(j=i;j>

22、0;j-) for(k=125;k>0;k-);uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,/数码管编码 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void display(uchar bai_c,uchar sh_c,uchar g_c)/显示程序 P0=tablebai_c;/显示百位 dula=1; dula=0; P0=0xfe; wela=1; wela=0; delay(5); dula=0; P0=tablesh_c;/显示十位 dula=1; dula=0; wel

23、a=0; P0=0xfd; wela=1; wela=0; delay(5); P0=tableg_c;/显示个位 dula=1; dula=0; P0=0xfb; wela=1; wela=0; delay(5);void main()/主程序 uchar a,A1,A2,A2t,A3; while(1) wela=1; P0=0; /选通ADCS adwr=0;/AD写入（随便写个什么都行，主要是为了启动AD转换） _nop_(); adwr=1; P0=0xff; /关闭ADCS delay(10); wela=0; /关闭有AD片选信号锁存器的锁存端以防止在操作数码管时使AD的片选发生

24、变化 for(a=20;a>0;a-) /需要注意的是ADC0804在写和读之间的时间间隔要足够长否则无法读出数据 /这里把显示部分放这里的原因也是为了增加写读之间的时间间隔 display(A1,A2,A3); /送去显示各位。 wela=1; /重新打开有AD片选信号锁存器的锁存端 P1=0xff; /读取P1口之前先给其写全1 P0=0; /选通ADCS adrd=0; /AD读使能 adval=P1;/AD数据读取赋给P1口 adrd=1; P0=0xff; /关闭ADCS adwr=0; P1=adval; /同时把AD的值送八个发光二极显示 A1=adval/100;/分出百

25、，十，和个位 A2t=adval%100; A2=A2t/10; A3=A2t%10; ;7DA转换电路C语言程序#include<reg51.h>sbit wela=P27;sbit dula=P26;sbit dawr=P36;sbit csda=P32;unsigned char a,j,k;void delay(unsigned char i) for(j=i;j>0;j-) for(k=125;k>0;k-);void main() wela=0; dula=0; csda=0; a=0; dawr=0; while(1) P0=a; / dawr=1; de

26、lay(50); / delay(200); / delay(200); / delay(200); a+; /wela=0; /P0=0xff; /wela=1; / wela=0;8计时器电路C语言程序/59秒自动计数器#include<reg51.h>#define uchar unsigned char uchar j,k,i,a,A1,A2,second;sbit dula=P26;sbit wela=P27;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,0x7f,0x6f,0x77,0x7c,0x39

27、,0x5e,0x79,0x71;void delay(uchar i) for(j=i;j>0;j-) for(k=125;k>0;k-);void display(uchar sh_c,uchar g_c) P0=0xff; wela=1; delay(1); wela=0; P0=tablesh_c; dula=1; dula=0; P0=0xfe; wela=1; wela=0; delay(5); P0=0xff; wela=1; delay(1); wela=0; P0=tableg_c; dula=1; dula=0; P0=0xfd; wela=1; wela=0;

28、delay(5);void main() while(1) second+; if(second=60) second=0; A1=second/10; A2=second%10; for(a=50;a>0;a-) display(A1,A2); 91602液晶显示时钟电路C语言程序#include<reg52.h>#define uchar unsigned char #define uint unsigned intsbit dula=P26;sbit wela=P27;sbit rs=P35;sbit lcden=P34;sbit s1=P30;sbit s2=P31;

29、sbit s3=P32;sbit rd=P37;uchar count,s1num;char miao,shi,fen;uchar code table=" 2013-6-1 MON"uchar code table1=" 00:00:00"void delay(uint z)uint x,y;for(x=z;x>0;x-)for(y=110;y>0;y-);void write_com(uchar com)rs=0;lcden=0;P0=com;delay(5);lcden=1;delay(5);lcden=0;void write_dat

30、e(uchar date)rs=1;lcden=0;P0=date;delay(5);lcden=1;delay(5);lcden=0;void init()uchar num;dula=0;wela=0;lcden=0;/fen=59;/miao=53;/shi=23;write_com(0x38);write_com(0x0c);write_com(0x06);write_com(0x01);write_com(0x80);for(num=0;num<15;num+)write_date(tablenum);delay(5);write_com(0x80+0x40);for(num=

31、0;num<12;num+)write_date(table1num);delay(5);TMOD=0x01;TH0=(65536-50000)/256;TL0=(65536-50000)%256;EA=1;ET0=1;TR0=1;void write_sfm(uchar add,uchar date)uchar shi,ge;shi=date/10;ge=date%10;write_com(0x80+0x40+add);write_date(0x30+shi);write_date(0x30+ge);void keyscan()rd=0;if(s1=0)delay(5);if(s1=0

32、)s1num+;while(!s1);if(s1num=1)TR0=0;write_com(0x80+0x40+10);write_com(0x0f);if(s1num=2)write_com(0x80+0x40+7);if(s1num=3)write_com(0x80+0x40+4);if(s1num=4)s1num=0;write_com(0x0c);TR0=1;if(s1num!=0)if(s2=0)delay(5);if(s2=0)while(!s2);if(s1num=1)miao+;if(miao=60)miao=0;write_sfm(10,miao);write_com(0x8

33、0+0x40+10);if(s1num=2)fen+;if(fen=60)fen=0;write_sfm(7,fen);write_com(0x80+0x40+7);if(s1num=3)shi+;if(shi=24)shi=0;write_sfm(4,shi);write_com(0x80+0x40+4);if(s3=0)delay(5);if(s3=0)while(!s3);if(s1num=1)/*if(miao=0)miao=59;write_sfm(10,miao);write_com(0x80+0x40+10);*/miao-;if(miao=-1)miao=59;write_sf

34、m(10,miao);write_com(0x80+0x40+10);if(s1num=2)fen-;if(fen=-1)fen=59;write_sfm(7,fen);write_com(0x80+0x40+7);if(s1num=3)shi-;if(shi=-1)shi=23;write_sfm(4,shi);write_com(0x80+0x40+4);void main()init();while(1)keyscan();/while(1);void timer0() interrupt 1TH0=(65536-50000)/256;TL0=(65536-50000)%256;coun

35、t+;if(count=18)count=0;miao+;if(miao=60)miao=0;fen+;if(fen=60)fen=0;shi+;if(shi=24)shi=0;write_sfm(4,shi);write_sfm(7,fen);write_sfm(10,miao);10DS18B20温度传感器电路C语言程序#include <reg52.h>#define uchar unsigned char#define uint unsigned intsbit DS=P22; /define interfaceuint temp; / variable of temper

36、atureuchar flag1; / sign of the result positive or negativesbit dula=P26;sbit wela=P27;unsigned char code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d, 0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;unsigned char code table1=0xbf,0x86,0xdb,0xcf,0xe6,0xed,0xfd, 0x87,0xff,0xef;void delay(uint count) /delay

37、uint i; while(count) i=200; while(i>0) i-; count-; /功能:串口初始化,波特率9600，方式1/void Init_Com(void) TMOD = 0x20; PCON = 0x00; SCON = 0x50; TH1 = 0xFd; TL1 = 0xFd; TR1 = 1;void dsreset(void) /send reset and initialization command uint i; DS=0; i=103; while(i>0)i-; DS=1; i=4; while(i>0)i-;bit tmprea

38、dbit(void) /read a bit uint i; bit dat; DS=0;i+; /i+ for delay DS=1;i+;i+; dat=DS; i=8;while(i>0)i-; return (dat);uchar tmpread(void) /read a byte date uchar i,j,dat; dat=0; for(i=1;i<=8;i+) j=tmpreadbit(); dat=(j<<7)|(dat>>1); /读出的数据最低位在最前面，这样刚好一个字节在DAT里 return(dat);void tmpwriteb

39、yte(uchar dat) /write a byte to ds18b20 uint i; uchar j; bit testb; for(j=1;j<=8;j+) testb=dat&0x01; dat=dat>>1; if(testb) /write 1 DS=0; i+;i+; DS=1; i=8;while(i>0)i-; else DS=0; /write 0 i=8;while(i>0)i-; DS=1; i+;i+; void tmpchange(void) /DS18B20 begin change dsreset(); delay(1); tmpwritebyte(0xcc); / address all drivers on bus tmpwr