单片机+LCD12864汉字乱码

Housekk · 发表于 2021-12-17 12:34

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确定12864有中文字库

单片机源程序如下:
#include<reg52.h>
#define uchar unsigned char
#define uint  unsigned int

uchar code dis1[]={"姓名: 我爱你"};
uchar code dis2[]={"性别: 男"};
uchar code dis3[]={"工号: 119137"};
uchar code dis4[]={"www.szu.edu.cn"};

sbit LCD_RS=P0^7;
sbit LCD_RW=P0^6;
sbit LCD_EN=P0^5;
sbit LCD_PSB=P0^4;
sbit LCD_RST=P0^3;

void delay_1ms(uint x)  //1ms延迟函数
{
   uint i,j;
   for(j=0;j<x;j++)
   for(i=0;i<148;i++);
}

void write_cmd(uchar cmd)//发送命令
{
      LCD_RW=0;
      LCD_RS=0;

      P2=cmd;
      delay_1ms(1);
      LCD_EN=1;
      delay_1ms(1);
      LCD_EN=0;
}

void write_data(uchar a)//发送数据
{
      LCD_RW=0;
      LCD_RS=1;
      LCD_EN=0;

      P2=a;
      delay_1ms(1);
      LCD_EN=1;
      delay_1ms(1);
      LCD_EN=0;
}
void lcd_pose(uchar X,uchar Y)//定位坐标
{
      uchar S,pose;
switch (X)
{
case 0:
S=0x80; //液晶第一行显示
break;
case 1:
S=0x90; //第二行显示
break;
case 2: //第三行显示
S=0x88;
break;
case 3: //第四行显示
S=0x98;
break;
}
pose=S+Y;
write_cmd(pose);
}

void LCD12864_Init()
      {
         //首先对LCD进行复位
                     LCD_RST=0;
                     delay_1ms(1);
         LCD_RST=1;
                     delay_1ms(1);
                     LCD_PSB=1;
                     delay_1ms(1);
         /* 开始初始化的步骤 */
         write_cmd(0x30);
                     delay_1ms(1);
         //  write_cmd(0x08);
                     delay_1ms(1);
         write_cmd(0x01);
                     delay_1ms(1);
         write_cmd(0x06);
                     delay_1ms(1);
         write_cmd(0x0c);
         }
void write_zifu(uchar *p) //循环发送数组数据
{
      while(*p!='\0')
      {
               write_data(*p);
               p++;
               delay_1ms(5);
      }
}
void main()
{
      LCD12864_Init();
      {
      lcd_pose(0,0);
      write_zifu(dis1);
      lcd_pose(1,0);
      write_zifu(dis2);
      lcd_pose(2,0);
      write_zifu(dis3);
      lcd_pose(3,0);
      write_zifu(dis4);
      }
      while(1);
}