st7920.c

一些关于显示器st4920的驱动程序（并行方式）

0xFF,0xFF,0xEA,0xAF,0xEB,0xFF,0xFF,0xF8,0x2F,0xC0,0x01,0x5F,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xC0,0x0F,0x80,0xD5,0xFF,0xF8,0x1F,0x3F,0xFE,0x3F,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFE,0xDF,0xE5,0x5D,0x40,0xAA,0xAA,0xBC,0xC0,0x01,0xCF,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0x00,0xA0,0x14,0x14,0x00,0x00,0x00,0x2D,0xFC,0x01,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFE,0x5F,0x86,0x96,0x22,0x27,0x1C,0x43,0xFE,0x03,0xF6,0xFF,0xFF,0xFF,0xFF,
0xFF,0xFF,0x5F,0xBA,0x75,0xF6,0xDB,0xEB,0xDF,0xF0,0x00,0x79,0x7F,0xFF,0xFF,0xFF,
0x7F,0xFE,0x5F,0xBA,0xF6,0x76,0xDB,0x0C,0x8D,0x80,0x00,0x0D,0x7F,0xFF,0xFF,0xFF,
0x3F,0xFE,0x4F,0xBA,0xF7,0xB6,0xDA,0xEF,0x48,0x00,0x00,0x00,0xBF,0xFF,0xFF,0xFF,
0x1F,0xFF,0x20,0xBA,0x94,0x7A,0xDB,0x08,0xD8,0x17,0xFF,0x50,0xBF,0xFF,0xFF,0xFF,
0x7F,0xFF,0x1F,0xEF,0x9F,0xFF,0xFF,0xFF,0x80,0xBC,0x01,0xE8,0x5F,0xFF,0xFF,0xFF,
0xBF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x21,0xE0,0x00,0x3C,0x5F,0xFF,0xFF,0xFF,
0xFF,0xFF,0xD5,0x55,0x55,0x55,0x40,0x05,0x42,0x00,0x00,0x02,0x2F,0xFF,0xFF,0xFF,
0xFF,0xFA,0xFF,0xFF,0xFF,0xFF,0xD0,0x1D,0x8C,0x00,0x00,0x02,0x2F,0xFF,0xFF,0xFF,
0xFF,0xFA,0xFF,0xFF,0xFF,0xFF,0xD0,0x1F,0x18,0x00,0x00,0x01,0x2F,0xFF,0xFF,0xFF,
0xFF,0xE0,0x7F,0xFF,0xFF,0xFF,0xD0,0x17,0x28,0x0E,0x00,0x0F,0xAF,0xFF,0xFF,0xFF,
0xFF,0xC0,0x1F,0xFF,0xFF,0xFF,0xD0,0x1D,0x10,0x00,0x00,0x00,0x4F,0xFF,0xFF,0xFF,
0xFF,0xD0,0x3F,0xFF,0xFF,0xFF,0xED,0x6E,0x60,0x40,0x40,0x40,0xBF,0xFF,0xFF,0xFF,
0xFF,0xE0,0xBF,0xFF,0xFF,0xFF,0xF7,0xD6,0x20,0x40,0x40,0x40,0xBF,0xFF,0xFF,0xFF,
0xFF,0xFA,0x7F,0xFF,0xFF,0xFF,0xF8,0x3A,0x40,0x40,0x40,0x40,0xBF,0xFF,0xFF,0xFF,
0xFF,0xFD,0xFF,0xFF,0xFF,0xFF,0xFF,0xFD,0x40,0x00,0x00,0x00,0xBF,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFC,0xC0,0x7F,0x00,0x1F,0xBF,0xFF,0xFF,0xFF,
0xFF,0xBF,0xEF,0xDF,0xFF,0xFF,0xFF,0xFC,0x40,0xFF,0x80,0x3F,0x3F,0xFF,0xFF,0xFF,
0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xF3,0xC2,0x80,0xC0,0x63,0x3F,0xFF,0xFF,0xFF,
0xF7,0xFB,0xDF,0xFF,0xFF,0xFF,0xFF,0xC8,0x42,0x80,0x00,0x02,0x1F,0xFF,0xFF,0xFF,
0xBE,0x67,0xAA,0xFF,0xFF,0xFF,0xFF,0xA0,0x40,0x00,0x10,0x40,0x5F,0xFF,0xFF,0xFF,
0x7F,0xAE,0x85,0xFF,0xFF,0xFF,0xFF,0x6A,0xA0,0x00,0x3F,0xE0,0x5F,0xFF,0xFF,0xFF,
0xDF,0xCC,0x85,0xFF,0xFF,0xFF,0xFF,0x40,0x20,0x00,0x2F,0xA0,0x6F,0xFF,0xFF,0xFF,
0x39,0xE3,0x02,0x43,0xE7,0xFF,0xFE,0x80,0x10,0x00,0x2F,0xA0,0x77,0xFF,0xFF,0xFF,
0xF0,0xEE,0xA9,0x81,0xAF,0xFF,0xFD,0xCA,0xD3,0x00,0x2F,0xA3,0x6F,0xFF,0xFF,0xFF,
0xE0,0x6C,0x1B,0xC3,0xCF,0xFF,0xFD,0xA1,0xE3,0xE0,0x2F,0xBE,0x2F,0xFF,0xFF,0xFF,
0xF6,0xE8,0x1A,0xDB,0xEF,0xFF,0xFD,0xCB,0xE3,0xFF,0xF0,0x7F,0x5F,0xFF,0xFF,0xFF,
0x30,0x6D,0xB9,0xC3,0xE3,0x87,0xFD,0x81,0xC7,0xD5,0x7D,0x63,0x87,0xFF,0xFF,0xFF,
0x00,0x00,0x0B,0x43,0xEF,0x03,0xFD,0xE8,0x4F,0xFF,0xFF,0xF7,0xF7,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0xEF,0xB7,0xFE,0xD5,0x3F,0xFF,0xFF,0xFE,0xEF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x0B,0x87,0xFE,0xEA,0xB8,0x00,0x00,0x0F,0xFF,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x3D,0xE0,0x00,0x00,0x0D,0xBF,0xFF,0xFF,0xFF,
0x25,0x00,0x00,0x00,0x21,0x00,0x00,0x0F,0x3F,0xD5,0x55,0x7F,0xF7,0xFF,0xFF,0xFF,
0x48,0x4A,0x00,0x00,0x40,0x80,0x00,0x00,0x1E,0xFF,0xFF,0xF7,0x77,0xFF,0xFF,0xFF,
0x41,0x40,0x00,0x00,0x21,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xFF,0xE7,0xFF,0xFF,0xFF,
0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xC0,0x00,0x1D,0x87,0xFF,0xFF,0xFF,
0x40,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x80,0x00,0x0F,0x47,0xFF,0xFF,0xFF,
0x11,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,
0x40,0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,
0x08,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,
0x40,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x11,0x11,0x07,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x27,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xFF
};
/**************************
画图函数
**************************/	
void Draw_Pic(uint8_t x, uint8_t y,uint8_t *Draw)
{
 uint8_t i, j, temp_x, temp_y;
 temp_x = x;
 temp_y = y;
 temp_x |= 0x80;
 temp_y |= 0x80;
 send_command(0x36);   
 for(i=0;i<32;i++ )
 {
  send_command(temp_y++);   //设置绘图区的Y地址坐标
  send_command(temp_x);     //设置绘图区的X地址坐标
  for(j=0;j<16;j++)
  {
    send_data(*Draw);
    Draw++;
  }
 }
 temp_x = 0x88;
 temp_y = 0x80;
 j = 0;
 for(;i<64;i++ )
 {
  send_command(temp_y++);   //设置绘图区的Y地址坐标
  send_command(temp_x);     //设置绘图区的X地址坐标  
  for(j=0;j<16;j++)
  {
    send_data(*Draw);
    Draw++;
  }
 }
 
}

/*****************************
画点  x=0:128;  y=0:64;
*****************************/
void Sendint(uint dd)
{
send_data(dd>>8);
send_data(dd);
}
void Gra(uchar x,uchar y)
{
uchar xx,yy;
send_command(0x34);
send_command(0x36);
xx=x/16;
yy=63-y;
if(yy>=32){xx=xx+8;yy-=32;}
send_command(0x80+yy);
send_command(0x80+xx);
Sendint(0x8000>>(x%16));
}
/**************************************************
画线
**************************************************/
void Linexy(uchar x0,uchar y0,uchar xt,uchar yt)
{
	register uchar t;
	int xerr=0,yerr=0,delta_x,delta_y,distance;
	int incx,incy,uRow,uCol;

	delta_x = xt-x0;				//计算坐标增量
	delta_y = yt-y0;
	uRow = x0;
	uCol = y0;
	if(delta_x>0) incx=1;				//设置单步方向
	else if( delta_x==0 ) incx=0;			//垂直线
		else {incx=-1;delta_x=-delta_x;}

	if(delta_y>0) incy=1;
	else if( delta_y==0 ) incy=0;			//水平线
		else {incy=-1;delta_y=-delta_y;}

	if( delta_x > delta_y )	distance=delta_x;	//选取基本增量坐标轴
	else distance=delta_y;

	for( t=0;t <= distance+1; t++ )
        	{					//画线输出
	Gra(uRow,uCol);             //画点
		xerr +=	delta_x	;
		yerr +=	delta_y	;
		
		if( xerr > distance )
                	{
			xerr-=distance;
			uRow+=incx;
			}
		if( yerr > distance )
                	{
			yerr-=distance;
			uCol+=incy;
			}
		}
}
/************************************************/
/*画圆。数学方程(X-Ox)^2+(Y-Oy)^2=Rx^2			*/
/************************************************/
void circle(uchar Ox,uchar Oy,uchar Rx)
{
	unsigned int xx,rr,xt,yt,rs,row,col;
	yt=Rx;
	rr=Rx*Rx+1;			//补偿 1 修正方形
	rs=(yt+(yt>>1))>>1;		//(*0.75)分开1/8圆弧来画
	for (xt=0;xt<=rs;xt++)
	{
		xx=xt*xt;
		while ((yt*yt)>(rr-xx))yt--;
		row=Ox+xt;		//第一象限
		col=Oy-yt;
		Gra(row,col);
		row=Ox-xt;		//第二象限
		Gra(row,col);
		col=Oy+yt;		//第三象限
	    Gra(row,col);
		row=Ox+xt;		//第四象限
		Gra(row,col);

/***************45度镜象画另一半***************/

		row=Ox+yt;		//第一象限
		col=Oy-xt;
		Gra(row,col);
		row=Ox-yt;		//第二象限
		Gra(row,col);
		col=Oy+xt;		//第三象限
		Gra(row,col);
		row=Ox+yt;		//第四象限
		Gra(row,col);
	}
}
		 


void display() 
{ uchar i;	
/*lcd_clean() ; 


 
  Linexy(1,1,126,1);
  Linexy(1,1,1,62);

  Linexy(126,1,126,62);
  Linexy(1,62,126,62);
   
 circle(64,32,26);

 */
while(1) 
{  


lcd_clean() ;
disp_str(0,1,"动画图片演示"); 
Delay(6000); 

Lcd_flash(10,2000);

  LcmClearTXT();
  disp_str(0,7,"无"); 
  disp_str(1,7,"线"); 
  disp_str(2,7,"电"); 
  disp_str(3,7,"社"); 

  Draw_Pic(0,0,my1) ;   Delay(3000); 	  Draw_Pic(0,0,my2) ;   Delay(3000); 	    Draw_Pic(0,0,my3) ;   Delay(3000); 
  Draw_Pic(0,0,my4) ;   Delay(3000); 	  Draw_Pic(0,0,my5) ;   Delay(3000); 

//LcmClearTXT();
lcd_clean() ;
disp_str(0,0,"无线电社欢迎新同学的加入"); 
Delay(6000);
 

LcmClearTXT();
disp_str(0,0,"预祝无线电社招新满成功^_^");
disp_str(2,0,"www.ggradio.net");	
Delay(6000); 


LcmClearTXT();
disp_str(0,2,"绘图演示"); 
Delay(6000); 


 for(i=0;i<=30;i++)
   circle(64,32,i);

	Delay(3000); 

Linexy(1,1,127,63); Linexy(1,63,127,1); Delay(6000); 


lcd_clean() ;
disp_str(0,1,"广东工业大学");
disp_str(1,1,"材料与能源学院");
disp_str(2,2,"焦进星");
disp_str(3,0,"2007年10月14日");	
 Delay(6000);

 Lcd_flash(10,1000);

  Move(8,left,500);


}
}

main() 
{ 
display(); 
while(1); 
}