LCD1602显示数值程序

ID:686752 · 发表于 2020-3-19 16:20

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
uchar code table[]={"I Like YOU!"};  //多字符用双引号
uchar code table1[]={"I lOVE YOU!"};
sbit lcden=P0^5;
sbit lcdrs=P0^7;
sbit lcdrw = P0^6;
uchar num;
void delay(uint z) //延时函数
{
uint x,y;
for(x=z;x>0;x--)
for(y=110;y>0;y--);
}

void write_com(uchar com)
{
lcdrs=0;    //写指令
lcdrw=0;
P2=com;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void write_data(uchar date)    //写数据
{
lcdrs=1;
lcdrw=0;
P2=date;
delay(5);
lcden=1;
delay(5);
lcden=0;
}
void init()
{

lcden=0;
write_com(0x38);         //显示指令
write_com(0x0f); //(0f：闪烁 0e：不闪烁）
write_com(0x06);
write_com(0x01);    //清屏

}
void main()
{
   init();
      write_com(0x80);       //地址初始化
   for(num=0;num<11;num++)
   {
   write_data(table[num]);
   delay(20); }

   write_com(0x80+0x40+3); //换行在缩进3
      for(num=0;num<11;num++)
   {
   write_data(table1[num]);
   delay(20);
   }

   while(1);

}

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