单片机综合应用实验编程程序

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1、流水灯第一题#includevoidrelay(void){intn,m;for(n=1;n<200;n++)for(m=1;m<300;m++);}voidmain(){while(1){P1=0xFE;relay();P1=0xff;relay();}}第二题#includevoiddelay(void){inti,n;for(i=1;i<400;i++)for(n=1;n<400;n++);}voidmain(){intm,led[]={0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F};whi

2、le(1){for(m=0;m<8;m++){P1=led[m];delay();P1=0xff;delay();}}}第三题#includevoiddelay(void){intn,m;for(n=1;n<300;n++)for(m=1;m<100;m++);}voidmain(){inta,b,led[]={0xFE,0xFD,0xFB,0xF7,0xEF,0xDF,0xBF,0x7F};while(1){for(a=0;a<8;a++){P1=led[a];delay();}for(b=6;b>0;b--){P1=led[b];delay()

3、;}}}数码管第一题#includesbitdula=P2^1;sbitwela=P2^0;voiddelay(void){intk,j;for(k=1;k<400;k++)for(j=1;j<400;j++);}voidmain(){inti,smg[]={0x06,0x5b,0x4f,0x66,0x6d,0x7d};inttab[]={0xdf,0xef,0xf7,0xfb,0xfd,0xfe};while(1){for(i=0;i<6;i++){wela=1;P0=tab[i];wela=0;dula=1;P0=smg[i];dula=0;d

4、elay();}}}第二题#includesbitdula=P2^1;sbitwela=P2^0;intk,i=0,b=0,sec=0,smg[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};intt=0,tab[]={0xdf,0xef,0xf7,0xfb,0xfd,0xfe};voiddelay(void){intj;for(j=1;j<500;j++);}voidmain(){TMOD=0X01;TH0=0XB8;TL0=0X00;TR0=1;EA=1;ET0=1;while(1

5、)if(t>=50){t=0;sec++;i=sec/10;b=sec%10;}if(sec>60)sec=0;}voiddisplay()interrupt1{TH0=0XB8;TL0=0X00;t++;wela=1;P0=0xdf;wela=0;dula=1;P0=smg[b];delay();dula=0;wela=1;P0=0xef;wela=0;dula=1;P0=smg[i];delay();dula=0;键盘第一题#includesbits1=P3^0;sbitled=P1^0;voiddelay(void){unsignedchar

6、i,j;for(i=0;i<100;i++)for(j=0;j<100;j++);}voidmain(void){while(1){if(s1==0){led=0;delay();if(s1==1){led=1;}}}}第二题#include//包含51单片机寄存器定义的头文件sbitP14=P3^4;//将P14位定义为P1.4引脚sbitP15=P3^5;//将P15位定义为P1.5引脚sbitP16=P3^6;//将P16位定义为P1.6引脚sbitP17=P3^7;//将P17位定义为P1.7引脚sbitdula=P2^1;sbitwela

7、=P2^0;intkey;voiddelay(void){unsignedcharj;for(j=0;j<200;j++);}/**************************************************************;;';;;函数功能：按键值的数码管显示子程序**************************************************************//**************************************************************函数功能：软件延时