1、#include#define uint unsigned int#define uchar unsigned charsbit dula=P26;sbit wela=P27;sbit key1=P34;uchar code table=0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71;uchar temp;uint num,num1;void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=110;y0;y-);uint keyscan();voi
2、d display(uchar,uchar,uchar);void main()dula=1;P0=0;dula=0;wela=1;P0=0xc0;wela=0;while(1)num1=keyscan();display(num1/100,num1%100/10,num1%10);void display(uchar aa,uchar bb,uchar cc)dula=1;P0=tableaa;dula=0;P0=0xff;wela=1;P0=0xfe;wela=0;delay(1);dula=1;P0=tablebb;dula=0;P0=0xff;wela=1;P0=0xfd;wela=0
3、;delay(1);dula=1;P0=tablecc;dula=0;P0=0xff;wela=1;P0=0xfb;wela=0;delay(1);uint keyscan()P3=0xfe;temp=P3;temp=tempwhile(temp!=0xf0)delay(5);temp=P3;temp=tempwhile(temp!=0xf0)temp=P3;switch(temp)case 0xee:num=1;break;case 0xde:num=4;break;case 0xbe:num=9;break;case 0x7e:num=16;break;while(temp!=0xf0)t
4、emp=P3;temp=tempP3=0xfd;temp=P3;temp=tempwhile(temp!=0xf0)delay(5);temp=P3;temp=tempwhile(temp!=0xf0)temp=P3;switch(temp)case 0xed:num=25;break;case 0xdd:num=36;break;case 0xbd:num=49;break;case 0x7d:num=64;break;while(temp!=0xf0)temp=P3;temp=tempP3=0xfb;temp=P3;temp=tempwhile(temp!=0xf0)delay(5);te
5、mp=P3;temp=tempwhile(temp!=0xf0)temp=P3;switch(temp)case 0xeb:num=81;break;case 0xdb:num=100;break;case 0xbb:num=121;break;case 0x7b:num=144;break;while(temp!=0xf0)temp=P3;temp=tempP3=0xf7;temp=P3;temp=tempwhile(temp!=0xf0)delay(5);temp=P3;temp=tempwhile(temp!=0xf0)temp=P3;switch(temp)case 0xe7:num=169;break;case 0xd7:num=196;break;case 0xb7:num=225;break;case 0x77:num=256;break;while(temp!=0xf0)temp=P3;temp=tempreturn num;
