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📄 hex_1.c.bak

📁 12864液晶原程序.#include <reg52.h> #include <intrins.h> typedef unsigned char BYTE typede
💻 BAK
📖 第 1 页 / 共 3 页
字号:
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};

/*------------------检查忙位-----------------------------*/
void chk_busy()
{  RS=0;
   RW=1;
   E=1;
   Lcd_Bus=0xff;
   while((Lcd_Bus&0x80)==0x80);
   E=0;
}


/*------------------延时子程序-----------------------------*/
void delay(unsigned int t)
{  unsigned int i,j;
   for(i=0;i<t;i++)
      for(j=0;j<10;j++)
         ;
}

/*------------------写命令到LCD------------------------------*/
void write_com(unsigned char cmdcode)
{
	chk_busy();
	RS=0;
	RW=0;
	E=1;
	Lcd_Bus=cmdcode;
	delay(5);////////////////////在数据写入的时候加入适当的延时
	E=0;
	delay(5);
}

/*-------------------写数据到LCD----------------------------*/
void write_data(unsigned char Dispdata)
{
	chk_busy();
	RS=1;
	RW=0;
	E=1;
	Lcd_Bus=Dispdata;
	delay(5);///////////////////在数据写入的时候加入适当的延时
	E=0;
	delay(5);
}
/*------------------初始化LCD屏--------------------------*/
void lcdreset()
{  delay(2000);
   write_com(0x30);
   delay(10);             //选择基本指令集
   write_com(0x30);       //选择8bit数据流
   delay(5);
   write_com(0x0c);       //开显示(无游标、不反白)
   delay(10);
   write_com(0x01);       //清除显示,并且设定地址指针为00H
   delay(500);
   write_com(0x06);       //指定在资料的读取及写入时,设定游标的移动方向及指定显示的移位
   delay(0);
}
/*------------------自定义一个字符代码(一个星星和月亮)--------------------------*/
void CGRAM()
{ int i;
     write_com(0x30);  
     write_com(0x40);
     for(i=0;i<16;i++)
     {write_data(zk[i*2]);
      write_data(zk[i*2+1]);
      }
}      
/*------------------显示字符串--------------------------*/
void hzkdis(unsigned char code *s)
{  while(*s>0)
   {  write_data(*s);
      s++;
      delay(50);
   }
}
/*------------------首屏显示--------------------------*/
void ceshi()
{write_com(0x01);//清除显示,并且设定地址指针为00H
 delay(5);
 
 write_com(0x80);//第一行(如果是地址是:80H,即LCD的第一行的第一个位置显示)
 hzkdis("----强林单片机"); 

 write_com(0x90);//第二行(如果是地址是:90H,即LCD的第二行的第一个位置显示)
 hzkdis("--技术项目交易网");
 
 write_com(0x88);//第三行(如果是地址是:88H,即LCD的第二行的第一个位置显示)
 hzkdis("LCD12864点阵液晶");
 
 write_com(0x9A);//第四行(如果是地址是:98H,即LCD的第二行的第一个位置显示)
 hzkdis("测试程序");
 

 
}
/*------------------显示图片------------------------2005.11.14.21:20修改---benladn911---*/
void Disp_Img(unsigned char code *img)
{  unsigned int j=0;
   unsigned char x,y,i;
       for(i=0;i<9;i+=8)
       for(y=0;y<32;y++)/*原来 为 y<26 ,上下两个半屏不能正常对接显示,导致显示的图片中间有空隙*/
         for(x=0;x<8;x++)
         {  write_com(0x36);//功能设置---8BIT控制界面,扩充指令集
            write_com(y+0x80);        //行地址
            write_com(x+0x80+i);     //列地址
            write_com(0x30);
            write_data(img[j++]);
            write_data(img[j++]);
         }   
           
}
/*------------------清整个GDRAM空间----------------------------*/
void clrgdram()
{ unsigned char x,y;
        for(y=0;y<64;y++)
         for(x=0;x<16;x++)
         {  write_com(0x34);
            write_com(y+0x80);        //行地址
            write_com(x+0x80);     //列地址
            write_com(0x30);
            write_data(0x00);
            write_data(0x00);
                               }
   }
/*------------------整屏写入数据:全亮,或者竖条-----------------------------*/
void lcdfill(unsigned char disdata)
{ unsigned char x,y;
        for(y=0;y<32;y++)
         for(x=0;x<16;x++)
         {  write_com(0x36);
            write_com(y+0x80);        //行地址
            write_com(x+0x80);     //列地址
            write_com(0x30);
            write_data(disdata);
            write_data(disdata);
            }
   write_com(0x34);                            
   write_com(0x36);
   }
/*------------------显示横-----------------------------*/
void Disp_H_Line()
{  unsigned char x,y;
   unsigned char k=0x00;  
       for(y=0;y<32;y++)
         { k=~k;
           for(x=0;x<16;x++)
         {  write_com(0x36);
            write_com(y+0x80);      //行地址
            write_com(x+0x80);     //列地址
            write_com(0x30);

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