1、.Lesson11#include<reg52.h>sbit D2=P12;unsigned int a;void main()D2=0;/* for(a=0;a<=10000;a+);D2=1;for(a=0;a<=10000;a+);*/2#include<reg52.h>void main()P1=0xfd;lesson21#include<reg52.h>sbit p1_1=P10unsigned int avoid main()while(1)a=51000;p1_1=0;while(a-);a=51000;while(a-);p1_1

2、=1;a=51000;while(a-);a=51000;while(a-);2#include<reg52.h>#define uint unsigned int#define uchar unsigned charsbit D1=P10;/void delay();void delay(uint);void main().while(1)D1=0;delay(100);D1=1;delay(100);/*void delay()uint x,y;for(x=100;x>0;x-)for(y=600;y>0;y-);*/void delay(uint z).uint

3、x;uchar y;for(x=z;x>0;x-)for(y=20;y>0;y-);lesson31#include<reg52.h>sbit dula=P26;sbit wela=P27;void main()wela=1;P0=0xc0;wela=0;dula=1;P0=0x06;dula=0;while(1);2 #include<reg52.h> #define uint unsigned int #define uchar unsigned char sbit dula=P26;sbit wela=P27;uchar num;uchar code

4、table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void delay(uint z);void main()wela=1;/11101010P0=0xea;wela=0;while(1)for(num=0;num<16;num+)dula=1;P0=tablenum;dula=0;delay(1000);.void delay(uint z)uint x,y;for(x=z;x>0;x-)for(y=110;y>0;y-);3#include<re

5、g52.h>#define uint unsigned int#define uchar unsigned charsbit dula=P26;sbit wela=P27;sbit d1=P10;uchar num;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void delay(uint z);void main()EA=1;/ 開總中斷EX0=1;/ 開外部中斷 0/IT0=1;TCON=0x01;wela=1;/11101010P0=

6、0xea;wela=0;while(1)for(num=0;num<16;num+)d1=1;dula=1;P0=tablenum;.dula=0;TR1=1;delay(1000);wela=1;/11101010P0=0xea;wela=0;dula=1;void delay(uint z)P0=0x3f;dula=0;uint x,y;while(1)for(x=z;x>0;x-)for(y=110;y>0;y-);if(num1=25)void exter0() interrupt 0num1=0;P1=P1;d1=0;if(tt=100)4#include<r

7、eg52.h>tt=0;#define uint unsigned intnum+;#define uchar unsigned charif(num=16)sbit dula=P26;num=0;sbit wela=P27;dula=1;sbit d1=P10;P0=tablenum;uchar num,num1;tt;dula=0;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,void delay(uint z)0x39,0x5e,0x79,0x71;void delay(ui

8、nt z);uint x,y;void main()for(x=z;x>0;x-)for(y=110;y>0;y-);num=0;tt=0;void time0() interrupt 1TMOD=0x11;/ 設置定時器0為工作方式 1TH0=(65536-10000)/256;TH0=(65536-10000)/256;TL0=(65536-10000)%256;TL0=(65536-10000)%256;TH1=(65536-20000)/256;tt+;TL1=(65536-20000)%256;/ EA=1;/開總中斷void time1() interrupt 3ET0

9、=1;/開定時器 0中斷ET1=1;TH1=(65536-20000)/256;TR0=1;/啟動定時器 0.TL1=(65536-20000)%256; num1+;Lesson4-1#include<reg52.h> #include<intrins.h> #define uint unsigned int #define uchar unsigned char uchar temp,aa,num;sbit dula=P26;sbit wela=P27;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,

10、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)num

11、=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 1TH0=(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;Lesson4-2#include<reg52.h>#include<intrins.h>#define uin

12、t unsigned int#define uchar unsigned charuchar temp,aa,numdu,numwe;sbit dula=P26;sbit wela=P27;uchar code table=.0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71; uchar code tablewe= 0xfe,0xfd,0xfb,0xf7,0xef,0xdf; /void delay(uint z);void main()numdu=0;numwe=0;aa=0;TMO

13、D=0x01;TH0=(65536-5000)/256;TL0=(65536-5000)%256;EA=1;ET0=1;TR0=1;while(1)/ delay(1000);/ temp=_crol_(temp,1);/ P1=temp;if(aa=1)aa=0;numdu+;if(numdu=7)numdu=1;dula=1;P0=tablenumdu;dula=0;wela=1;P0=tablewenumwe;wela=0;numwe+;if(numwe=6)numwe=0;/*void delay(uint z).uint x,y;for(x=z;x>0;x-)for(y=110

14、;y>0;y-);*/void timer0() interrupt 1TH0=(65536-5000)/256;TL0=(65536-5000)%256;aa+;Lesson4-3#include<reg52.h>#define uint unsigned int#define uchar unsigned charuchar temp,aa,bai,shi,ge;sbit dula=P26;sbit wela=P27;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0

15、x39,0x5e,0x79,0x71;void display(uchar bai,ucharshi,uchar ge);void delay(uint z);void init();void main()init();/初始化子程序while(1)if(aa=20)aa=0;temp+;if(temp=100)temp=0;bai=temp/100;shi=temp%100/10;ge=temp%10;.display(bai,shi,ge);void delay(uint z)uint x,y;for(x=z;x>0;x-)for(y=110;y>0;y-);void disp

16、lay(uchar bai,ucharshi,uchar ge)dula=1;P0=tablebai;dula=0;P0=0xff;wela=1;P0=0xfe;wela=0;delay(1);dula=1;P0=tableshi;dula=0;P0=0xff;wela=1;P0=0xfd;wela=0;delay(1);dula=1;P0=tablege;dula=0;P0=0xff;wela=1;P0=0xfb;wela=0;delay(1);void init()wela=0;dula=0;temp=0;.TMOD=0x01;TH0=(65536-50000)/256;TL0=(6553

17、6-50000)%256;EA=1;ET0=1;TR0=1;void timer0() interrupt 1TH0=(65536-50000)/256;TL0=(65536-50000)%256;aa+;Lesson5-1#include <reg52.h>#include <intrins.h>#define uchar unsigned char#define uint unsigned intsbit dula=P26;sbit wela=P27;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0

18、x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x76,0x79,0x38,0x3f,0;uchartemp,t0,t1,bai,shi,ge,flag,flag1;uint shu;void init();voiddisplay(uchar,uchar,uchar,uchar,uchar,uchar);void delay(uint z)uint t1,y;for(t1=z;t1>0;t1-)for(y=110;y>0;y-);void main().init();if(t0%4=0)while(1)P1=P1;if(t0=60)if(flag1!

19、=1)display(7,6,5,bai,shi,ge);TR0=0;elseP1=0xff;display(16,17,18,18,19,20);flag1=1;void init()void timer1() interrupt 3shu=432;temp=0xfe;TH1=(65536-50000)/256;P1=temp;TL1=(65536-50000)%256;TMOD=0x11;t1+;TH0=(65536-50000)/256;if(t1=2)TL0=(65536-50000)%256;TH1=(65536-50000)/256;t1=0;TL1=(65536-50000)%2

20、56;shu-;EA=1;bai=shu/100;ET0=1;shi=shu%100/10;ET1=1;ge=shu%10;TR0=1;if(shu=398)TR1=1;TR0=0;void timer0() interrupt 1TH0=(65536-50000)/256;TL0=(65536-50000)%256;TH0=(65536-50000)/256;TR0=1;TL0=(65536-50000)%256;flag=1;t0+;t0=0;if(flag!=1)P1=0xff;TR1=0;if(t0=10)t0=1;temp=_crol_(temp,1);void display(uc

21、har aa,uchar bb,ucharP1=temp;cc,uchar ba,uchar sh,uchar g)dula=1;elseP0=tableaa;dula=0;.P0=0xff;wela=1;P0=0xfe;wela=0;delay(1);dula=1;P0=tablebb;dula=0;P0=0xff;wela=1;P0=0xfd;wela=0;delay(1);dula=1;P0=tablecc;dula=0;P0=0xff;wela=1;P0=0xfb;wela=0;delay(1);dula=1;P0=tableba;dula=0;P0=0xff;wela=1;P0=0x

22、f7;wela=0;delay(1);dula=1;P0=tablesh;dula=0;P0=0xff;wela=1;P0=0xef;wela=0;delay(1);dula=1;P0=tableg;dula=0;P0=0xff;.wela=1;P0=0xdf;wela=0;delay(1);Lesson5-2#include<reg52.h>#define uint unsigned int#define uchar unsigned charsbit d1=P10;sbit dula=P26;sbit wela=P27;sbit key1=P34;uchar code tabl

23、e=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;uchar num;void delay(uint z)uint x,y;for(x=z;x>0;x-)for(y=110;y>0;y-);void main()wela=1;P0=0xfe;wela=0;P3=0xff;while(1)if(key1=0)delay(5);if(key1=0)d1=0;num+;if(num=10).num=0;while(!key1);delay(5);while(!key1);el

24、sed1=1;dula=1;P0=tablenum;dula=0;Lesson5-3#include<reg52.h>#define uint unsigned int#define uchar unsigned charsbit dula=P26;sbit wela=P27;sbit key1=P34;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0;uchar num,temp,num1;void delay(uint z)uint

25、 x,y;for(x=z;x>0;x-)for(y=110;y>0;y-);uchar keyscan();void display(uchar aa);void main()num=17;dula=1;P0=0;dula=0;wela=1;P0=0xc0;wela=0;.while(1)display(keyscan();void display(uchar aa)dula=1;P0=tableaa-1;dula=0;uchar keyscan()P3=0xfe;temp=P3;temp=temp&0xf0;while(temp!=0xf0)delay(5);temp=P

26、3;temp=temp&0xf0;while(temp!=0xf0)temp=P3;switch(temp)Case 0xee:num=1;break;case 0xde:num=2;break;case 0xbe:num=3;break;case 0x7e:num=4;break;while(temp!=0xf0)temp=P3;temp=temp&0xf0;.switch(temp)P3=0xfd;temp=P3;case 0xeb:num=9;temp=temp&0xf0;break;while(temp!=0xf0)case 0xdb:num=10;break;

27、delay(5);case 0xbb:num=11;temp=P3;break;temp=temp&0xf0;case 0x7b:num=12;while(temp!=0xf0)break;temp=P3;while(temp!=0xf0)switch(temp)temp=P3;case 0xed:num=5;temp=temp&0xf0;break;case 0xdd:num=6;break;case 0xbd:num=7;P3=0xf7;break;temp=P3;case 0x7d:num=8;temp=temp&0xf0;break;while(temp!=0x

28、f0)while(temp!=0xf0)delay(5);temp=P3;temp=P3;temp=temp&0xf0;temp=temp&0xf0;while(temp!=0xf0)temp=P3;switch(temp)P3=0xfb;temp=P3;case 0xe7:num=13;temp=temp&0xf0;break;while(temp!=0xf0)case 0xd7:num=14;break;delay(5);case 0xb7:num=15;temp=P3;break;temp=temp&0xf0;case 0x77:num=16;while(

29、temp!=0xf0)break;temp=P3;.while(temp!=0xf0)temp=P3;temp=temp&0xf0;return num;Lesson6-1#include<reg52.h>sbit csda=P32;sbit wr=P36;void main()csda=0;wr=0;P0=0;while(1);Lesson6-2#include<reg52.h>#define uchar unsigned char #define uint unsigned int sbit wr=P36;sbit rd=P37;void delay(uin

30、t z)uint t1,y;for(t1=z;t1>0;t1-)for(y=110;y>0;y-);void init();void start();void main()init();while(1).start();delay(20);rd=0;delay(10);rd=1;delay(10);void init()P0=0;void start()wr=1;wr=0;wr=1;Lesson7#include<reg52.h>unsigned char flag,a;void main()TMOD=0x20;/ 設置定時器 1為工作方式 2 TH1=0xfd;TL1

31、=0xfd;TR1=1;REN=1;SM0=0;SM1=1;EA=1;ES=1;while(1)/* if(RI=1)RI=0;P1=SBUF;.*/if(flag=1)ES=0;flag=0;SBUF='1'/28;while(!TI);TI=0;SBUF='2'/28;while(!TI);TI=0;SBUF='3'/28;while(!TI);TI=0;ES=1;void ser() interrupt 4RI=0;/ P1=SBUF;a=SBUF;flag=1;Lesson8#include<reg52.h>#define u

32、char unsigned char#define uint unsigned intuchar code table="I LIKE MCU!"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_(uchar )lcdrs=0;P0=;delay(5);lcden=1;delay(5);lcden=0;void write_data(uc

33、har date)lcdrs=1;P0=date;delay(5);lcden=1;delay(5);lcden=0;void init()dula=0;wela=0;lcden=0;write_(0x38);write_(0x0e);write_(0x06);write_(0x01);write_(0x80+0x10);void main()init();for(num=0;num<11;num+)write_data(tablenum);delay(20);/ write_(1);write_(0x80+0x53);for(num=0;num<13;num+).write_da

34、ta(table1num);delay(20);for(num=0;num<16;num+)write_(0x18);delay(20);while(1);Lesson9#include<reg52.h>#define uchar unsigned char sbit sda=P20; sbit scl=P21;uchar a;void delay();void start() /開始信號sda=1;delay();scl=1;delay();sda=0;delay();void stop() /停止sda=0;delay();scl=1;delay();sda=1;dela

35、y();void respons() /應答uchar i;scl=1;delay();.while(sda=1)&&(i<250)i+;scl=0;delay();void init()sda=1;delay();scl=1;delay();void write_byte(uchar date)uchar i,temp;temp=date;for(i=0;i<8;i+)temp=temp<<1;scl=0;delay();sda=CY;delay();scl=1;delay();/ scl=0;/ delay();scl=0;delay();sda=1

36、;delay();uchar read_byte()uchar i,k;scl=0;delay();sda=1;delay();.for(i=0;i<8;i+)scl=1;delay();k=(k<<1)|sda;scl=0;delay();return k;void delay1(uchar x)uchar a,b;for(a=x;a>0;a-)for(b=100;b>0;b-);void write_add(uchar address,uchar date)start();write_byte(0xa0);respons();write_byte(addres

37、s);respons();write_byte(date);respons();stop();uchar read_add(uchar address)uchar date;start();write_byte(0xa0);respons();write_byte(address);respons();start();write_byte(0xa1);respons();date=read_byte();stop();return date;.void main()init();write_add(23,0xaa);delay1(100);P1=read_add(23);while(1);Le

38、sson10#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;sbit s3=P32;sbit rd=P37;uchar count,s1num;char miao,shi,fen;uchar code table=" 2007-7-30MON"uchar code table1=" 00:00:00"

39、;void delay(uint z)uint x,y;for(x=z;x>0;x-)for(y=110;y>0;y-);void write_(uchar )rs=0;lcden=0;P0=;delay(5);lcden=1;delay(5);lcden=0;.void write_date(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_(0

40、x38);write_(0x0c);write_(0x06);write_(0x01);write_(0x80);for(num=0;num<15;num+)write_date(tablenum);delay(5);write_(0x80+0x40); for(num=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_(0x80+0x40+add);write_da