#include <REGX51.H>
#define FOSC	12				//定義晶振頻率
#define	INIT_TH0 0x3C			//定時器T0初始值
#define	INIT_TL0 0xB0
#define	TMOD_T00 0x00			//定義T0為方式0，GATE=0，C/T=0,13位計數器
#define	TMOD_T01 0x01			//定義T0為方式1，GATE=0，C/T=0,16位計數器
#define	TMOD_T02 0x02			//定義T0為方式2，GATE=0,C/T=0,自動裝入8位計數器
#define	TMOD_T03 0x03			//定義T0為方式3，GATE=0,C/T=0，定時器0分成兩個8位計數器，定時器1停止計數

/*縮定定義*/

#define uchar unsigned char
#define	uint unsigned int

/*P1口位定義*/


/*P2 BIT Define*/


/*P3 bit define*/

/************位定義***************/
sbit STTP = P2^7;


/************函數聲明*************/
void	delay(uint c);		        	//延時函數
void	out_rxd(uchar *d);				//漢字輸出


/************漢字點陣*************/
char code hanzi[6][32]={
			{0x08,0x02,0x30,0x02,0x20,0x02,0x20,0x02,0x27,0xFE,0x24,0x92,0xA4,0x92,0x64,0x092,
             0x24,0x92,0x24,0x92,0x2F,0xFE,0x24,0x02,0x20,0x02,0x28,0x06,0x30,0x02,0x00,0x00},
		    {0x04,0x20,0x44,0x20,0x54,0x40,0x54,0x80,0x55,0xFF,0x56,0x92,0x5C,0x92,0xF4,0x92,
             0x54,0x92,0x56,0x92,0x55,0xFF,0x54,0x80,0x54,0x40,0x44,0x60,0x04,0x40,0x00,0x00},
			{0x02,0x20,0x0C,0x20,0x88,0x20,0x69,0x20,0x09,0x20,0x09,0x22,0x89,0x21,0x69,0x7E,
             0x09,0x60,0x09,0xA0,0x19,0x20,0x28,0x20,0xC8,0x20,0x0A,0x60,0x0C,0x20,0x00,0x00},
			{0x00,0x00,0x7F,0xFF,0x44,0x20,0x5A,0x10,0x69,0xE1,0x30,0x81,0x24,0x82,0x24,0x8C,
             0xA4,0xF0,0x64,0x80,0x24,0xFC,0x2C,0x82,0x25,0x82,0x28,0x82,0x30,0x0E,0x00,0x00},
		    {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,    	 //'!'
			 0x00,0x00,0x00,0x00,0x38,0x00,0x7F,0xCC,
			 0x7F,0xCC,0x38,0x00,0x00,0x00,0x00,0x00,
			 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
		    },
			{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,	//顯示空屏，如果只有一個字或將字全部移出必須設置一個空屏幕
			 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
			 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
		  	 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00}
			};

/************主函數***************/
void main()
{
	uchar i,j,k;	//i:每個字的顯示循環；j每個字的顯示碼除以2；k每列刷新次數
	uchar b=0;		//顯示偏移控制，char類型最多只能顯示14個漢字+一個空白位字符
	uchar a;		//控制移動間隔時間
	SCON = 0x00;
	while(1)
	{	
	  j=0;
	  if(a>5)	//移動間隔時間；取值0--255
		{
		  a=0;
		  b+=2;
		  if(b>=160)	//顯示到最后一個字，回頭顯示，判斷值=字數*32
		   {
		     b=0;
		   }	
		}
  	  for(i=0;i<16;i++)
	   {
	  	 P1=i;
		 for(k=0;k<5;k++)
 	  	  {	
			STTP = 0;
			out_rxd(&hanzi[3][j+b+1]);
			out_rxd(&hanzi[3][j+b]);
			out_rxd(&hanzi[2][j+b+1]);
			out_rxd(&hanzi[2][j+b]);
			out_rxd(&hanzi[1][j+b+1]);
			out_rxd(&hanzi[1][j+b]);
			out_rxd(&hanzi[0][j+b+1]);
			out_rxd(&hanzi[0][j+b]);
			STTP = 1;
			delay(4);
		  }
		 j=j+2;
	   }
	   a++;
   	 }
}

/************子函數**************/

void delay(uint c)
	{
	  int i,j;
	  for(i=0;i<c;i++)
		for(j=0;j<5;j++)
			;
	}

void out_rxd(uchar *d)
{
	SBUF = *d;			//啟動串行口傳送
	while(TI == 0);		//等待串口傳送結束
	TI = 0;				//將串口中斷標志位置0
}