设计一.控制系统并仿真:包括设计3个按键(A、B、C键)，8个LED和2位7段数

#include<reg52.h> #include<intrins.h> sbit keyA=P1^0; sbit keyB=P1^1; sbit keyC=P1^2; sbit we1=P2^1; sbit we2=P2^0; int weizi[2]; int mode=0; int aa=0; int ak=10; int kk=0; /*char suma[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};//共阴极数码管代码1-9*/ char suma[10]={0xc0,//0 0xf9,//1 0xa4,//2 0xb0,//3 0x99,//4 0x92,//5 0x82,//6 0xf8,//7 0x80,//8 0x90};//9 char Sm[5]={0x01,0x20,0x40,0x04,0x08}; void delay(int a); void delayms(unsigned int z) { unsigned i,j; for (j=z;j>0;j--) { for (i=125;i>0;i--) { ; } } } /**00 按键扫描， */ void sacnKey(){ if(keyA==0 && keyB!=0 ){ delayms(10); if(keyA==0 && keyB!=0){ while(keyA==0 && keyB!=0); if(aa<90){ aa=aa+10; }else{aa=0;} mode=1; kk=1; } } if(keyA!=0 && keyB==0 ){ delayms(10); if(keyA!=0 && keyB==0 ){ while(keyA!=0 && keyB==0 ); if(aa>0){ aa=aa-1; }else{aa=99;} mode=2; kk=2; } } if(keyC==0 ){ delayms(10); if(keyC==0){ while(keyC==0); mode=3; } } if(keyA==0 && keyB==0 ){ delayms(10); if(keyA==0 && keyB==0){ while(keyA==0 || keyB==0); ak=2; if(kk==1){aa=aa-10;kk=0;}else if(kk==2){aa=aa+1;kk=0;} mode=3; } } } void delay(int a){ //延时 int i,j; for(i=0;i<a;i++){ sacnKey(); for(j=0;j<120;j++) ; } } void display(int number ){ weizi[0]=number%10; weizi[1]=number/10; we2=1; P0=suma[weizi[1]]; delay(10); we2=0; we1=1 ; P0 =suma[weizi[0]]; delay(10); we1=0 ; } void main(){ int i=0; int temp=0x80; P3=0x00; while(1){ //循环 if(mode==0){ sacnKey(); } if(mode==1){ sacnKey(); display(aa); } if(mode==2){ sacnKey(); display(aa); } if(mode==3){ if(aa>0){ for(i=0;i<8;i++){ sacnKey(); display(aa); P3 = temp; delay(30*ak); temp = _crol_(temp,1);//左移 //temp = _cror_(temp,1);//右移 } sacnKey(); aa--;} display(aa); } } }