51單片機經(jīng)典實例源碼(共13頁)

1、#include #include LCD1602.huint Num=0;uchar NumCode4=0,0,0,0;/-中斷加一-void my_INT1(void) interrupt 0Num+;/-void Disp()uint m;NumCode0=Num/1000;NumCode1=Num%1000/100;NumCode2=Num%100/10;NumCode3=Num%10;for(m=0;m4;m+) LCD_Disp(0,5+m,NumCodem+0x30);/-void main() IT0=1;EA=1;EX0=1;LCD_Init();while(1) Disp(

2、);#include #include LCD1602.huint Num=3728;uchar NumCode4=0,0,0,0;/-自動加一-void Disp()uchar m;NumCode0=Num/1000;NumCode1=Num%1000/100;NumCode2=Num%100/10;NumCode3=Num%10;for(m=0;m4;m+) LCD_Disp(0,6+m,NumCodem+0x30);/-void main()LCD_Init();while(1)Disp();Num+;Delay(50000); #include#include LCD1602.huin

3、t Num=5432;uchar NumCode4=0,0,0,0;/-定時器T0按鍵加一-void T0Init()TMOD=0x0d;TH0=5432/256;TL0=5432%256;TR0=1; /-void Disp()int m;NumCode0=Num/1000;NumCode1=Num%1000/100;NumCode2=Num%100/10;NumCode3=Num%10;for(m=0;m4;m+) LCD_Disp(0,5+m,NumCodem+0x30);/-void main() T0Init(); LCD_Init(); while(1)Num=TH0*256+TL

4、0;Disp();#include#define uchar unsigned charuchar T0Num;sbit LED=P10;/-定時器TO使LED自動一秒閃一下-void T0Init()TMOD=0x01;TH0=(65536-10000)/256;TL0=(65536-10000)%256;TR0=1;ET0=1;EA=1;/-void T0Sever() interrupt 1TH0=(65536-10000)/256;TL0=(65536-10000)%256;T0Num+;if(T0Num=100)LED=LED;T0Num=0;/-void main()T0Init(

5、);while(1)#include #define uchar unsigned char#define uint unsigned intuchar num10=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f;uint shu;/-外部中斷按鍵加減一-void my_INT1(void) interrupt 0shu-;/-void my_INT2(void) interrupt 2 shu+;/-void main()shu=5;IT0=1;EA=1;EX0=1;IT1=1;EA=1;EX1=1;while(1) P2=numshu;

6、if(shu=10)shu=0;if(shu=-1)shu=9; #include #define uint unsigned int#define uchar unsigned charuchar Disp4=0x9a,0xca,0xa9,0xac;/-交通燈-void delay3ms(uchar i)uint n,j,k;for(;i=1;i-)for(n=2;n=1;n-) for(j=250;j=1;j-) for(k=200;k=1;k-); /-void main()while(1) P1=Disp0;delay3ms(4); P1=Disp1;delay3ms(1); P1=D

7、isp2;delay3ms(4); P1=Disp3;delay3ms(1);#include #define uchar unsigned char uchar T0Num=0;uchar PWM=50;sbit LED=P37;/-PWM頻率-void T0Init()TMOD=0x01;TH0=(65536-100)/256;/ 0.1msTL0=(65536-100)%256;ET0=1;EA=1;TR0=1;/-void Ex0Init()IT0=1;EX0=1;EA=1;/-void main()T0Init();Ex0Init();while(1)/-void T0Server(

8、) interrupt 1TH0=(65536-100)/256;/ 0.1msTL0=(65536-100)%256;T0Num+;if(T0Num=PWM)LED=1;if(T0Num=100)T0Num=0;LED=0;/-void Int0Server() interrupt 0PWM=PWM+5;if(PWM=100)PWM=0;include#define uchar unsigned charuchar i,Flagls,Scon,T0Num;uchar code LedCode8=0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80; /-串口74LS

9、164驅(qū)動流水燈-void T0_Init() TMOD=0x01;TH0=(65536-50000)/256;TL0=(65536-50000)%256;TR0=1;ET0=1;EA=1; /-void Serial_Init()Scon=0x00;/-void SerialSend (uchar ch)SBUF=ch;while(TI=0)TI=0;/-void main()T0_Init();Serial_Init();while(1)if(Flagls=1)Flagls=0;SerialSend(LedCodei);i+;if(i7)i=0;/-void Toserver() inte

10、rrupt 1TH0=(65536-50000)/256;TL0=(65536-50000)%256;T0Num+;if(T0Num20)T0Num=0;Flagls=1;#include #define uchar unsigned char#define uint unsigned intuchar DispCode10=0xfc,0x60,0xda,0xf2,0x66, 0xb6,0x3e,0xe0,0xfe,0xe6;uint Num=9995;uchar NumCode4=0,0,0,0;uchar T1Num;bit Flag1s=0;/-串口74LS164驅(qū)動數(shù)碼管-void S

11、erialInit() SCON=0x00;/-void T1Init() TMOD=0x10; TH1= -10000/256; TL1= -10000%256; TR1=1; ET1=1; EA=1;/-void Disp() uchar i; NumCode0=Num/1000; NumCode1=Num%1000/100; NumCode2=Num%100/10; NumCode3=Num%10; for(i=0;i9999) Num=0; #include #define uchar unsigned char#define uint unsigned intuchar T0Num;

12、bit Flag1s=0;uchar DispCode10=0x3f,0x06,0x5b,0x4f,0x66, 0x6d,0x7d,0x07,0x7f,0x6f;/-MUC_MUC串口自發(fā)自收-void SerialInit()SCON=0x50; /方式1 允許接收PCON=0x00; /串口波特率不加倍TMOD|=0x20; /定時器1，方式2TH1=0xfd; /波特率為9600 TL1=0xfd;TR1=1; /啟動定時器ES=1;EA=1;/-void T0Init()TMOD|=0x01;TH0=-10000/256;TL0=-10000%256;ET0=1;TR0=1;EA=1;

13、/-void main()uchar k;SerialInit();T0Init();while(1)if(Flag1s=1)Flag1s=0;SBUF=DispCodek;k+;if(k9)k=0;/-void SerialServer() interrupt 4if(RI=1)RI=0;P2=SBUF;elseTI=0;/-void T0Server() interrupt 1TH0=-10000/256;TL0=-10000%256;T0Num+;if(T0Num=100)T0Num=0;Flag1s=1;#include #define uchar unsigned char#defi

14、ne uint unsigned intuchar T0Num;bit Flag1s=0;uchar DispCode10=0x3f,0x06,0x5b,0x4f,0x66, 0x6d,0x7d,0x07,0x7f,0x6f;/-兩機通信（主機代碼）-void SerialInit()SCON=0x50; /方式1 允許接收PCON=0x00; /串口波特率不加倍ES=1;EA=1;/-void T1Init()TMOD=0x20; /定時器1，方式2TH1=0xfd; /波特率為9600 TL1=0xfd;TR1=1; /啟動定時器/-void T0Init()TMOD|=0x01;TH0=

15、-10000/256;TL0=-10000%256;ET0=1;TR0=1;EA=1;/-void main()uchar k;SerialInit();T1Init();T0Init();while(1)if(Flag1s=1)Flag1s=0;P2=DispCodek;SBUF=DispCodek;k+;if(k9)k=0;/-void SerialServer() interrupt 4if(RI=1)RI=0;elseTI=0;/-void T0Server() interrupt 1TH0=-10000/256;TL0=-10000%256;T0Num+;if(T0Num=100)T

16、0Num=0;Flag1s=1;#include #define uchar unsigned charuchar Ch;/-兩機通信（從機代碼）-void SerialInit()SCON=0x50; /方式1 允許接收PCON=0x00; /串口波特率不加倍ES=1;EA=1;/-void T1Init()TMOD=0x20; /定時器1，方式2TH1=0xfd; /波特率為9600 TL1=0xfd;TR1=1; /啟動定時器/-void main()SerialInit();T1Init();while(1)P2=Ch;/-void SerialServer() interrupt 4

17、if(RI=1)RI=0;Ch=SBUF;elseTI=0;#include #define uchar unsigned charuchar DispCode10=0x3f,0x06,0x5b,0x4f,0x66, 0x6d,0x7d,0x07,0x7f,0x6f;uchar Num=5;/-多機通信（主機代碼）-void ExInit()IT0=1;IT1=1;EX0=1;EX1=1;EA=1;/-void SerialInit()SCON=0xd0; /方式3 允許接收PCON=0x00; /串口波特率不加倍TMOD=0x20; /定時器1，方式2TH1=0xfd; /波特率為9600

18、TL1=0xfd;TR1=1; /啟動定時器ES=1;EA=1;/-void SBUFSend(uchar Ch)SBUF=Ch;while(TI=0)TI=0; /-void SendControl(uchar Addr,uchar Data)TB8=1;SBUFSend(Addr);TB8=0;SBUFSend(Data);/-void main()SerialInit();ExInit();while(1)/-void SerialServer() interrupt 4uchar Ch;if(RI=1)RI=0;Ch=SBUF;if(Ch=b)P2=DispCode1;if(Ch=c)

19、P2=DispCode2;elseTI=0;/-void Ex0Server() interrupt 0Num+;if(Num9)Num=0;SendControl(b,Num);/-void Ex1Server() interrupt 2Num-;if(Num=255)Num=9;SendControl(c,Num);*#include #define uchar unsigned charuchar DispCode10=0x3f,0x06,0x5b,0x4f,0x66, 0x6d,0x7d,0x07,0x7f,0x6f;/-多機通信（從機1）-void SerialInit()SCON=

20、0xf0; /方式3 允許接收,SM2=1PCON=0x00; /串口波特率不加倍TMOD=0x20; /定時器1，方式2TH1=0xfd; /波特率為9600 TL1=0xfd;TR1=1; /啟動定時器ES=1;EA=1;/-void SBUFSend(uchar Ch)SBUF=Ch;while(TI=0)TI=0;/-void main()SerialInit();while(1)/-void SerialServer() interrupt 4uchar Ch;if(RI=1)RI=0;Ch=SBUF;if(RB8=1) /地址if(Ch=b)SM2=0; /是自己的地址，置SM2=

21、0，開始接收數(shù)據(jù)SBUFSend(b);else SM2=1; /不是自己的地址，置SM2=1。if(RB8=0)P2=DispCodeCh;SM2=1;/接收完數(shù)據(jù)，準備下次接收地址。*#include #define uchar unsigned charuchar DispCode10=0x3f,0x06,0x5b,0x4f,0x66, 0x6d,0x7d,0x07,0x7f,0x6f;/-多機通信（從機2）-void SerialInit()SCON=0xf0; /方式3 允許接收,SM2=1PCON=0x00; /串口波特率不加倍TMOD=0x20; /定時器1，方式2TH1=0xf

22、d; /波特率為9600 TL1=0xfd;TR1=1; /啟動定時器ES=1;EA=1;/-void SBUFSend(uchar Ch)SBUF=Ch;while(TI=0)TI=0;/-void main()SerialInit();while(1)/-void SerialServer() interrupt 4uchar Ch;if(RI=1)RI=0;Ch=SBUF;if(RB8=1) /地址if(Ch=c)SM2=0; /是自己的地址，置SM2=0，開始接收數(shù)據(jù)SBUFSend(c);else SM2=1; /不是自己的地址，置SM2=1。if(RB8=0)/數(shù)據(jù)P2=DispC

23、odeCh;SM2=1;/接收完數(shù)據(jù)，準備下次接收地址。#include #define uchar unsigned char#define uint unsigned intuchar T0Num=0;sbit DAWR=P36;uchar code SinTab128=64,67,70,73,76,79,82,85,88,91,94,96,99,102,104,106,109,111,113,115,117,118,120,121,123,124,125,126,126,127,127,127,127,127,127,127,126,126,125,124,123,121,120,118

24、,117,115,113,111,109,106,104,102,99,96,94,91,88,85,82,79,76,73,70,67,64,60,57,54,51,48,45,42,39,36,33,31,28,25,23,21,18,16,14,12,10,9,7,6,4,3,2,1,1,0,0,0,0,0,0,0,1,1,2,3,4,6,7,9,10,12,14,16,18,21,23,25,28,31,33,36,39,42,45,48,51,54,57,60;/- DAC0832（波形發(fā)生器）-void T0Init()TMOD=0x01;TH0=(65536-1000)/256;TL0=(65536-1000)%256;TR0=1;ET0=1;EA=1;/-void DA(uchar DAValue)DAWR=0;P0=DAValue;DAWR=1;/-void main()IT0=1;EA=1;EX0=1;IT1=1;EA=1;EX1=1;T0Init();while(1)/-void T0Server() interrupt 1TH0=(65536-1000)/256;TL0=(65536-1000)%256;DA(SinTabT0Num);T0Num+;if(T0Num127)T0Num=0; #include #define uchar un