哈尔滨理工大学--单片机课程设计-程序+电路(16)

四、程序清单

#include<reg51.h> sbit s2=P3^4; sbit rs=P3^5; sbit lcden=P3^4; sbit dula=P2^6; sbit wela=P2^7;

#define uchar unsigned char #define uint unsigned int #define uint unsigned int #define uchar unsigned char

sbit adrd=P3^7; sbit adwr=P3^6; sbit diola=P2^5; sbit dula=P2^6; sbit wela=P2^7;

unsigned char j,k,adval;