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51单片机控制1602进行简单显示一串字符
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
sbit rs=P2^0;
sbit sn=P2^2; //说明rw直接连接5V地
void zs(uchar w,e)//指令和数据
{
rs=w;
P0=e;
sn=1;
ys(10);
sn=0;
}
void csh()
{
zs(0,0x38);
zs(0,0x0c);
zs(0,0x06);
//zs(0,0x01);//清屏指令
zs(0,0x80);
}
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