#includereg52.h>sbit RS=P2^0;sbit RW=P2^1;sbit EN=P2^2;//LCD的三個(gè)控制端unsigned char table[]={0x15,0x0A,0x15,0x0A,0x15,0x0A,0x15,0x0A};void delay(unsigned int i){while(--i);}void Read_busy()    

//忙檢測(cè)，DB7為1則busy，不能進(jìn)行讀寫(xiě)操作 ；每次讀寫(xiě)前應(yīng)"讀忙"檢測(cè){P0=0x00;RS=0;RW=1;EN=1;while(P0  0x80);EN=0;}void write_LCD_command(unsigned char value)//寫(xiě)命令函數(shù){Read_busy();RS=0;RW=0; EN=1;P0=value;delay(100);EN=0;}void write_LCD_data(unsigned char value)//寫(xiě)命令函數(shù){Read_busy();RS=1;RW=0; EN=1;P0=value;delay(100);EN=0;}void init_LCD(){write_LCD_command(0x38);//在這里加延時(shí)delay(5);write_LCD_command(0x0c);//開(kāi)顯示，不顯示光標(biāo)，且不閃爍//在這里加延時(shí)delay(5); write_LCD_command(0x06);//每次寫(xiě)入數(shù)據(jù)后地址指針加1 //在這里加延時(shí)delay(5);write_LCD_command(0x01);//清屏}void main(){unsigned char num;init_LCD();write_LCD_command(0x40);   

 //對(duì)CGRAM第一個(gè)自定義字符操作，若是第二個(gè)則為0x48，其次類推（上面有對(duì)頂?shù)年P(guān)系）for(num=0;num8;num++){write_LCD_data(table[num]);}write_LCD_command(0x80);    //規(guī)定顯示在第一行第一個(gè)位置write_LCD_data(0x00);         //顯示第一個(gè)自定義字符 （0x40對(duì)應(yīng)第一個(gè)：0x00）while(1);}/*到這里程序結(jié)束了，第一次寫(xiě)可能說(shuō)的不夠清晰，有不懂的可以留言給我^_^*/