qudong1.txt

来自「12864A 液晶显示模块的驱动程序,下载后可以自己写主程序,然后调用.」· 文本 代码 · 共 87 行

//以下是12864c的驱动
#include<reg52.h>
#define  DataIn P0

/*    LCD    */
sbit LCD_RS=P2^7;
sbit LCD_RW=P2^6;
sbit LCD_E=P2^5;
sbit LCD_CS1=P2^4;
sbit LCD_CS2=P2^3;




/****************************

    LCD128X64

*****************************/

void LCD_init(void)
{
       
    uchar j,k,l,i;
    LCD_CS1=0;
    LCD_CS2=0;
    LCD_RW=0;
    LCD_RS=0;
    i=3;
          while(i) i--;
           wcode(0xc0);
           wcode(0x3f);
       wcode(0xB8);

    /*    lear screen   */
           wcode(0x41);
            l=0XB8;
    for(j=0;j<8;j++)       /* clear  */
                  {
            for(k=0;k<64;k++)
                {
            wdata(0x00);
                         }
         l++;
        wcode(l);   
        }



     
}



void wcode(uchar c)    // send insruction
{
 //    LcdBusy();
       LCD_RW=0;
    LCD_RS=0;
    DataIn=c;
    LCD_E=0;
    LCD_E=1;
    LCD_E=0;
       
}


void wdata(uchar d)    //  send data
{  uchar i;
 
    LCD_RW=0;
    LCD_RS=1;
    DataIn=d;
    LCD_E=0;
    LCD_E=1;
    LCD_E=0;

    for (i=0;i<10;i++);

       
}