单键换屏或按次数切换

 

#include<reg52.h>

#define uchar unsigned char

sbit P3_4=P3^4;

sbit jia=P2^0;

sbit jian=P2^1;

sbit gl=P2^2;

sbit hp=P2^3;

 

unsigned char keycnt=0;

 

 

//code uchar tab[10]={0x40,0x79,0x24,0x30,0x19,0x12,0x02,0x78,0x00,0x10,};

//code uchar tab[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,};

code uchar tab[10]={0xbf,0x06,0xdb,0xcf,0x66,0xed,0xfd,0x87,0xff,0xef,};

uchar sz[6];

int yw,ww,qw,bw,sw,gw,a,b,c,d,e,f;

 

 

d=46; //单价

e=00; //公里数

f=00;