lcd.h

本程序是一个WGM-12864LCD的驱动程序。不带字库。用了一晚上的时间终于调出来了。能显示汉字图片。给大家共享享。

#include "function.h"

sbit RW =P3^4;
sbit DI =P3^3;
sbit E =P3^5;
sbit CS1 =P3^0;
sbit CS2 =P3^1;
sbit RET =P3^2;

#define NUM P2

//#define   uchar  unsigned char 
//uchar  h ,y  , yeqishi_addr  = 0xb9 ;


/********液晶送命令,CMD是命令,i是选择CS1,还是CS2*******/
void Send_cmd( unsigned char CMD,int i)
{
    if(i)  //select cs1	 
      CS1 =0;
    else
      CS2 =0;
      E   =1;
      RW  =0;
      DI  =0;
      NUM =CMD;
      E   =0;
      CS1 =1;
      CS2 =1;

}
/********液晶送数据,DA是数据,i是选择CS1,还是CS2*******/
void Send_data( unsigned char DA,int i)
{
   if(i)
	
    	CS1 =0;
   else
	   CS2 =0;

	   E   =1;
	   RW  =0;
	   DI  =1;
	   NUM =DA;
	   E   =0;
	   CS1 =1;
	   CS2 =1;
}