单片机简单程序.doc

*数码管动态显示*#include#define uint unsigned int#define uchar unsigned charsbit dula=P37;uchar code table1=0,1,2,3,4,5,6,7;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()uchar i=0;uchar num=0;while(1)P0=tablenum;P2=table1i;delay(2);num+;i+;if(i=8)num=0;i=0 ;void delay(uint z)uint x,y;for(x=100;x0;x-)for(y=z;y0;y-);*数码管静态显示*#include#define uint unsigned int#define uchar unsigned charsbit dula=P37;sbit wela=P2;void delay(uint z);void main()wela=1;P2=0xf8;wela=0;dula=1;P0=0x71;dula=0;while(1);void delay(uint z)uint x,y;for(x=100;x0;x-)for(y=z;y0;y-);*流水灯*#include#include #define uint unsigned int#define uchar unsigned charuchar a;uint i,j;void delay(uint);void main() a=0xfe;P0=a;while(1)a=_crol_(a,1);delay(600);P0=a;delay(600); void delay(uint z)uint x,y;for(x=10;x0;x-)for(y=z;y0;y-);*跑马灯* #include#define LED P0void delay()unsigned int i;for(i=0;i10000;i+);void main()unsigned char i,k;for(;)k=0xfe;for(i=0;i8;i+)LED=k;delay();k=k1;*#include#define uint unsigned int#define uchar unsigned char#define wela P2sbit dula=P37;sbit led=P00;uchar code table1=0,1,2,3,4,5,6,7;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void main()wela=1;P2=0xff;wela=1;dula=1;P0=0x71;dula=0;while(1);/*uchar i,num;while(1)wela=table1i;for(i=0;i8;i+)dula=1;P0=tablenum;dula=0;num+;i+; */*中断*#include#define uint unsigned int#define uchar unsigned char#define wela P2sbit dula=P37;sbit led=P12;uchar i,num;uchar code table1=0xff,0xfe,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void delay(uint);void main()EA=1;EX0=1;IT0=1; while(1)wela=table1i;dula=1;P0=tablenum;delay(6000);dula=0;num+;i+;if(i=8)i=0;if(num=16)num=0; void delay(uint z)uint x,y;for(x=10;x0;x-)for(y=z;y0;y-);void exter0() interrupt 0led=0;*定时器*#include#define uint unsigned int#define uchar unsigned char#define wela P2sbit dula=P37;sbit led=P12;uchar i,num,tt;uchar code table1=0xff,0xfe,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;void delay(uint);void main()tt=0;TMOD=0x01;/设置定时器0为工作方式1TH0=(65536-50000)/256;TL0=(65536-50000)%256;EA=1;ET0=1;/开定时器0中断TR0=1; while(1) if(tt=4) tt=0;wela=table1i;dula=1;P0=tablenum;dula=0;num+;i+;if(i=8)i=0;if(num=16)num=0; void delay(uint z)uint x,y;for(x=10;x0;x-)for(y=z;y0;y-);void exter0() interrupt 1TH0=(65536-50000)/256;TL0=(65536-50000)%256;tt+;*矩阵键盘*#include#define uint unsigned int#define uchar unsigned charsbit dula=P37;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0;uchar num,temp,num1;uchar keyscan();void delay(uint z)uint x,y;for(x=100;x0;x-)for(y=z;y0;y-);void main()num=17; P2=0xff;dula=1;P0=0;dula=0;P0=0xff;while(1)num1=keyscan();dula=1;P0=tablenum1-1;dula=0; uchar keyscan()P1=0xfe;temp=P1;temp=temp&0xf0;while(temp!=0xf0)delay(5);temp=P1;temp=temp&0xf0;while(temp!=0xf0) switch(temp)case 0xe0:num=1;break;case 0xd0:num=2;break;case 0xb0:num=3;break;case 0x70:num=4;break;while(temp!=0xf0)temp=P1;temp=temp&0xf0; P1=0xfd;temp=P1;temp=temp&0xf0;while(temp!=0xf0)delay(5);temp=P1;temp=temp&0xf0;while(temp!=0xf0) switch(temp)case 0xe0:num=5;break;case 0xd0:num=6;break;case 0xb0:num=7;break;case 0x70:num=8;break;while(temp!=0xf0)temp=P1;temp=temp&0xf0;P1=0xfb;temp=P1;temp=temp&0xf0;while(temp!=0xf0)delay(5);temp=P1;temp=temp&0xf0;while(temp!=0xf0) switch(temp)case 0xe0:num=9;break;case 0xd0:num=10;break;case 0xb0:num=11;break;case 0x70:num=12;break;while(temp!=0xf0)temp=P1;temp=temp&0xf0;P1=0xf7;temp=P1;temp=temp&0xf0;while(temp!=0xf0)delay(5);temp=P1;temp=temp&0xf0;while(temp!=0xf0) switch(temp)case 0xe0:num=13;break;case 0xd0:num=14;break;case 0xb0:num=15;break;case 0x70:num=16;break;while(temp!=0xf0)temp=P1;temp=temp&0xf0;return num;*串行通信*#includeunsigned char flag,a;void main()TMOD=0x20;/设置定时器1为工作方式2TH1=0xfd;TL1=0xfd;TR1=1;REN=1;SM0=0;SM1=1;EA=1;ES=1;while(1)/*if(RI=1)RI=0;P0=SBUF; */if(flag=1)ES=0;flag=0;SBUF=a;while(!TI);TI=0;ES=1;void ser() interrupt 4RI=0;P0=SBUF;a=SBUF;flag=1;*E2p*#include#define uchar unsigned charsbit sda=P36;sbit scl=P15;uchar a;void delay();void delay1(uchar x)uchar a,b;for(a=x;a0;a-)for(b=100;b0;b-);void start()/开始信号sda=1;delay();scl=1;delay();sda=0;delay();void stop() /停止信号sda=0;delay();scl=1;delay();sda=1;delay();void respons() /应答信号char i;scl=1;delay();while(sda=1)&(i250)i+;scl=0;delay();void init()sda=1;scl=1;void write_byte(uchar date)uchar i,temp;temp=date ;scl=0;delay();for(i=0;i8;i+) temp=temp1;sda=CY;delay();scl=1;delay();scl=0;delay();sda=1;delay();uchar read_byte()uchar i,j,k;scl=0;delay();sda=1;delay();for(i=0;i8;i+)scl=1;delay();j=sda;k=(k1)|j;scl=0;delay();return k;void write_add(uchar address,uchar date)start();write_byte(0xa0);respons();write_byte(address);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);P0=read_add(23); while(1);*计数*#include#define uint unsigned int#define uchar unsigned char#define wela P2sbit dula=P37;uchar ge,shi,bai,num,temp,aa,numdu;uchar code table1=0xff,0xfe,0xfd,0xfc,0xfb,0xfa,0xf9,0xf8;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5