shuma.rar_数码管

//模拟串口LED6位显示已通过试验! #include<reg51.h> #include<stdio.h> sbit P1_0=P1^0; sbit P1_1=P1^1; sbit P1_4=P1^4; unsigned char a=0,b=0,c=0,d=0,e=0,f=0; unsigned char x[]={0x03,0x9f,0x25,0x0d,0x99,0x49,0x41,0x1f,0x01,0x09}; delay() { int l; char m; for (l=0;l<5000;l++) for (m=0;m<10;m++); } shushu() { a=a++; if(a==10) { a=0; b=++b; } if(b==10) { b=0; c=++c; } if(c==10) { c=0; d=++d; } if(d==10) { d=0; e=++e; } if(e==10) { e=0; f=++f; } if(f==10) { f=0; } } main() { while(1) { unsigned char y,z; shushu(); for (y=0;y<=7;y++) {z=x[a]>>y; P1_0=z&0x01; P1_1=0; P1_1=1; } for (y=0;y<=7;y++) {z=x[b]>>y; P1_0=z&0x01; P1_1=0; P1_1=1; } for (y=0;y<=7;y++) {z=x[c]>>y; P1_0=z&0x01; P1_1=0; P1_1=1; } for (y=0;y<=7;y++) {z=x[d]>>y; P1_0=z&0x01; P1_1=0; P1_1=1; } for (y=0;y<=7;y++) {z=x[e]>>y; P1_0=z&0x01; P1_1=0; P1_1=1; } for (y=0;y<=7;y++) {z=x[f]>>y; P1_0=z&0x01; P1_1=0; P1_1=1; } P1_4=0; P1_4=1; delay(); } }