电子秤程序

#include<reg52.h> #define uint unsigned int #define uchar unsigned char uchar code table[]="123.4560789 c-q+"; uchar code table1[]={0xfe,0xfd,0xfb,0xf7}; sbit lcdrs=P2^6; sbit lcdwr=P2^5; sbit lcden=P2^7; uchar num; void delay(uint z) { uchar x,y; for(x=z;x>0;x--) for(y=110;y>0;y--); } void write_com(uchar com) //1602写命令 { lcdrs=0; P0=com; delay(5); lcden=1; delay(5); lcden=0; }