#include<intrins.h>
#include<ziku.c>
#define uchar unsigned char
#define uint unsigned int
/**************************************************************
*12864液晶的定義（T6963驅動）								  *
***************************************************************/
sbit REST = P2^0;			    	//Reset signal, active"L"
sbit C_D = P2^1;					//L:data   H:code
sbit C_E = P2^2;					//Chip enable signal, active"L"
sbit R_D = P2^3;					//read signal, active"L"
sbit W_R = P2^4;					//write signal, active"L"

#define width      				 15 //顯示區寬度
#define Graphic          	     1
#define TXT           	    	 0
#define LcmLengthDots            128
#define LcmWidthDots             64


/**************************12864液晶的相關函數**********************/         								  
void delay_nms(uint i)
{
	while(i)
	i--;
}
void write_commond(uchar com)	   //對液晶寫一個指令
{	 
	C_E = 0;	
	C_D = 1;
	R_D = 1;
	P0 = com;
	W_R = 0;	    	// write	  
	_nop_();					
	W_R = 1;		    // disable write
	C_E = 1;
	C_D = 0;
}
void write_date(uchar dat)	  //對液晶寫一個數據
{
	C_E = 0;
	C_D = 0;
	R_D = 1;
	P0 = dat;
	W_R = 0;
	_nop_();
	W_R = 1;
	C_E = 1;
	C_D = 1;
}
 void write_dc(uchar com,uchar dat)	 //寫一個指令和一個數據
{
	write_date(dat);
	write_commond(com);
}

//寫一個指令和兩個數據
void write_ddc(uchar com,uchar dat1,uchar dat2)
{
	write_date(dat1);
	write_date(dat2);
	write_commond(com);
}

//LCD初始化函數
void F12864_init(void)
{	
	REST = 0;
	delay_nms(2000);					
	REST = 1;
	write_ddc(0x40,0x00,0x00);			      	//設置文本顯示區首地址
	write_ddc(0x41,128/8,0x00);  				//設置文本顯示區寬度
	write_ddc(0x42,0x00,0x08);			      	//設置圖形顯示區首地址0x0800
	write_ddc(0x43,128/8,0x00);  				//設置圖形顯示區寬度
	write_commond(0xA0);                        //設置光標形狀 8x8方塊
	write_commond(0x80);                        //顯示方式設置 文本and圖形(異或)
	write_commond(0x92);                        //設置光標
	write_commond(0x9F);                        //顯示開關設置 文本開,圖形開,光標閃爍關							 	

}
//**************************//清顯示存儲器函數

void F12864_clear(void)
{
	unsigned int i;
	write_ddc(0x24,0x00,0x00); 							//置地址指針為從零開始
   	write_commond(0xb0); 									//自動寫
	for(i = 0;i < 128 * 64 ;i++)write_date(0x00); 	// 清一屏
	write_commond(0xb2); 									// 自動寫結束
	write_ddc(0x24,0x00,0x00); 							// 重置地址指針
  
}

//設定顯示的地址
void goto_xy(uchar x,uchar y,uchar mode)
{
     uint  temp;
     temp = 128 / 8 * y + x;
     if(mode)                                 //mode = 1為Graphic
     {                                        //如果圖形模式要加上圖形區首地址0x0800
         temp = temp + 0x0100;
     }
     write_ddc(0x24,temp & 0xff,temp / 256);	  //地址指針位置
}

//顯示一個ASCII碼函數
void Putchar(uchar x,uchar y,uchar Charbyte)
{
     goto_xy(x,y,TXT);
     write_dc(0xC4,Charbyte-32);		      //數據一次讀寫方式//查字符rom	 
}
void display_string(uchar x,uchar y,uchar *p)
{
	while(*p != 0)
	{
		if(x > 15 )                          //自動換行	 128*64
		{
			x = 0;
			y++;
		}
		Putchar(x,y,*p);
		++x;
		++p;
	}
}



//顯示一串漢字,j = k + n為(n為要顯示的字的個數),k為選擇從哪個字開始
void dprintf_hanzi_string_1(struct typFNT_GB16 code *GB_16,uint X_pos,uint Y_pos,uchar j,uchar k)
{  
	unsigned int address;
	unsigned char m,n;

	while(k < j)
	{
		
		m = 0;
		address = LcmLengthDots / 8 * Y_pos + X_pos + 0x0800;
		for(n = 0;n < 16;n++)                                     //計數值16
    	{
		   write_ddc(0x24,(uchar)(address),(uchar)(address>>8));  //設置顯示存儲器地址
		   write_dc(0xc0,GB_16[k].Mask[m++]);                     //寫入漢字字模左部
		   write_dc(0xc0,GB_16[k].Mask[m++]);                     //寫入漢字字模右部
		  
		   address = address + 128/8;                           //修改顯示存儲器地址，顯示下一列（共16列）
	    }

		X_pos += 2;
		k++;
	}
}