#include<reg52.h> 
#include<16x8.h>

#define	DataH	P2
#define	DataL	P0
sbit	TFT_CS	=	P1^0;
sbit	RES	=   P1^4;
sbit	RS	=	P1^1;
sbit	WRB	=	P1^2;
sbit	RDB	=	P1^3;


void UART_init(void)				   
{
	SCON=0x40;
	TMOD=0x20;
	TH1=0xF3; //波特率计算256-11059200/(12*32*9600)
	TL1=0xF3;
	TR1=1;
}

void UART_send_data(unsigned char str)
{
	SBUF=str;
	while(!TI);
	TI=0;
}


void delayms(int value)
{
	int i,j;
	 for(i=0;i<=value;i++)
	 {for(j=0;j<=500;j++);}
}
void LCD_WRITE_CMD(unsigned int cmd)
{
	      RS = 0;
	      RDB = 1;
	      WRB = 1;

	      TFT_CS = 0;
	      DataH = cmd>>8;
  	     WRB = 0;
	      WRB = 1;	

	      DataH = cmd;
 	      WRB = 0;
	      WRB = 1;	
	      TFT_CS = 1;
	
}

void LCD_WRITE_DATA(unsigned int dat)
{
	      RS = 1;
	      RDB = 1;
	      WRB = 1;

	      TFT_CS = 0;
	      DataH = dat>>8;
	
	 	     WRB = 0;
	      WRB = 1;	

	      DataH = dat;
	      WRB = 0;
	      WRB = 1;	
	      TFT_CS = 1;
}
void LCD_WRITE_DATA2(unsigned char dat1,unsigned char dat2)
{
	      RS = 1;
	      RDB = 1;
	      WRB = 1;

	      TFT_CS = 0;
	      DataH = dat1;
	
	 	     WRB = 0;
	      WRB = 1;	

	      DataH = dat2;
	      WRB = 0;
	      WRB = 1;	
	      TFT_CS = 1;
}

void seng_cmd_dat(int cmd,int dataa)
     {
     LCD_WRITE_CMD(cmd);
     LCD_WRITE_DATA(dataa);
     }
void reset(void)
{
	RES = 1;
	delayms(50);
	RES = 0;
	delayms(200);
	RES = 1;
	delayms(500);
}

void lcd_init(void)
{
	reset();
	

		seng_cmd_dat(0x0000, 0x0000);
		seng_cmd_dat(0x0001, 0x0100); // set SS and SM bit
		seng_cmd_dat(0x0002, 0x0900); // set 1 line inversion
		seng_cmd_dat(0x0003, 0x1020); // set GRAM write direction and BGR=1.
		seng_cmd_dat(0x0008, 0x0808);
		seng_cmd_dat(0x0009, 0x0001); // Resize register
		seng_cmd_dat(0x000A, 0x0008); // set the back porch and front porch
		seng_cmd_dat(0x000C, 0x0000); // set non-display area refresh cycle ISC[3:0]
		seng_cmd_dat(0x000D, 0xD000); // FMARK function
		seng_cmd_dat(0x000E, 0x0030); // RGB interface setting
		seng_cmd_dat(0x000F, 0x0000); // Frame marker Position
		seng_cmd_dat(0x00A4, 0x0001); // RGB interface polarity
		seng_cmd_dat(0x0060, 0xA700);
		//*************Power On sequence ****************//
		seng_cmd_dat(0x0090, 0x001a);
		seng_cmd_dat(0x0010, 0x0000); // SAP, BT[3:0], AP, DSTB, SLP, STB
		seng_cmd_dat(0x0011, 0x0007); // DC1[2:0], DC0[2:0], VC[2:0]
		seng_cmd_dat(0x0012, 0x0000); // VREG1OUT voltage
		seng_cmd_dat(0x0013, 0x0000); // VDV[4:0] for VCOM amplitude
		seng_cmd_dat(0x0007, 0x0001);
		delayms(50); // Dis-charge capacitor power voltage
		seng_cmd_dat(0x0010, 0x0530); // SAP, BT[3:0], AP, DSTB, SLP, STB
		seng_cmd_dat(0x0011, 0x0237); // DC1[2:0], DC0[2:0], VC[2:0] 0237  
		delayms(200); // Delay 50ms
		seng_cmd_dat(0x0012, 0x01Bf); // Internal reference voltage= Vci; //1bc
		delayms(250); // Delay 50ms
		seng_cmd_dat(0x0013, 0x1100); // Set VDV[4:0] for VCOM amplitude
		seng_cmd_dat(0x0029, 0x0029); // Set VCM[5:0] for VCOMH 005FH
		seng_cmd_dat(0x002B, 0x000a); // Set Frame Rate  0d  
		delayms(50); // Delay 50ms
		seng_cmd_dat(0x0020, 0x00ef); // GRAM horizontal Address
		seng_cmd_dat(0x0021, 0x0000); // GRAM Vertical Address
		 
		//************* Adjust the Gamma Curve *************//


		seng_cmd_dat(0x0030, 0x0105);
		seng_cmd_dat(0x0031, 0x0412);//5B0A
		seng_cmd_dat(0x0032, 0x0401);
		seng_cmd_dat(0x0033, 0x050d);
		seng_cmd_dat(0x0034, 0x2103);
		seng_cmd_dat(0x0035, 0x0d05);
		seng_cmd_dat(0x0036, 0x0104);//6309
		seng_cmd_dat(0x0037, 0x1204);
		seng_cmd_dat(0x0038, 0x0501);//100C
		seng_cmd_dat(0x0039, 0x0321);


		//************* Set GRAM area *************//
		seng_cmd_dat(0x0050, 0x0000); // Horizontal GRAM Start Address
		seng_cmd_dat(0x0051, 0x00EF); // Horizontal GRAM End Address
		seng_cmd_dat(0x0052, 0x0000); // Vertical GRAM Start Address
		seng_cmd_dat(0x0053, 0x013F); // Vertical GRAM Start Address

		seng_cmd_dat(0x0061, 0x0001); // NDL,VLE, REV
		seng_cmd_dat(0x006A, 0x0000); // set scrolling line

		//************* Partial Display Control *************//
		seng_cmd_dat(0x0080, 0x0000);
		seng_cmd_dat(0x0081, 0x0000);
		seng_cmd_dat(0x0082, 0x005F);

		//************* Panel Control *************//
		seng_cmd_dat(0x0093, 0x0701);

		seng_cmd_dat(0x0007, 0x0100); // 262K color and display ON
		LCD_WRITE_CMD(0x0022); 



}

void LCD_SET_WIN(unsigned int xs,unsigned int ys,unsigned int xe,unsigned int ye)
{	
	LCD_WRITE_CMD(0x0050);LCD_WRITE_DATA(xs);
	LCD_WRITE_CMD(0x0051);LCD_WRITE_DATA(xe);
	LCD_WRITE_CMD(0x0052);LCD_WRITE_DATA(ys);
	LCD_WRITE_CMD(0x0053);LCD_WRITE_DATA(ye);
	LCD_WRITE_CMD(0x0020);LCD_WRITE_DATA(ys);
	LCD_WRITE_CMD(0x0021);LCD_WRITE_DATA(xs);
	LCD_WRITE_CMD(0x0022);//LCD_WriteCMD(GRAMWR);	
	
	
}	
void GUI_Point(unsigned int x, unsigned int y, unsigned int color)
{  
	LCD_WRITE_CMD(0x0020);LCD_WRITE_DATA(y);
	LCD_WRITE_CMD(0x0021);LCD_WRITE_DATA(319-x);
	LCD_WRITE_CMD(0x0022);//LCD_WriteCMD(GRAMWR);	

 	
	LCD_WRITE_DATA(color);
}

//================================================================================================
//	实现功能：	显示字符串
//	输入参数：	
//================================================================================================
void GUI_sprintf_char(unsigned char x, unsigned int y,unsigned char c, unsigned int color,unsigned int b_color)
{  
	unsigned char  s_x ,s_y, temp ;
  	unsigned int j;
  	c -= 32;
  	for( s_y=0 ; s_y < 16 ; s_y++ )
   {
		if(s_y+y<320)
	   {
			j=c;
		   j=j*16+s_y;
		   temp=font16x8[j];
	     	//temp = font16x8[c*16+s_y] ;
	  	   for( s_x=0 ; s_x<8 ; s_x++ )
	      {
		    	if(x+s_x<240)
		      {
			     	if((temp&(0x80>>(s_x))) == (0x80>>(s_x))  )
			      {
				   	GUI_Point(x+s_x, y+s_y,color) ;
			      }
			     	else
			      {
				     	GUI_Point(x+s_x, y+s_y,b_color) ;
				   }
			   }
		   }
	   }
	}
}


//================================================================================================
//	实现功能：	显示字符串
//	输入参数：	
//================================================================================================
void GUI_sprintf_string(unsigned char x, unsigned int y,char code *s, unsigned int color,unsigned int b_color)
{  
	for(;*s!='\0';s++)
	{
		GUI_sprintf_char(x, y,*s, color,b_color);
		x=x+8;
	}
	

}


void LCD_BRUSH(int color)
{
	int i,j;
	LCD_WRITE_CMD(0x0022);
	for(i=0;i<240;i++)
		{
			for(j=0;j<320;j++)
				{
//				LCD_WRITE_DATA(color>>8);
//				LCD_WRITE_DATA(color);
 				LCD_WRITE_DATA(color);//delayms(5);	
					
					
//					GUI_Point(i, j, color);

				}
		}
}

unsigned char LCD_ID_7781(unsigned int dat)
{
		unsigned int temp,DH,DL;
		LCD_WRITE_CMD(dat);
		temp=0;
		P0=0xff;
		P2=0xff;

		RS=1;		
		TFT_CS=0;		
		RDB=1;	
		delayms(5);
				
		DH=P2;		
	
		RDB=0;		 
		RDB=1;		 

		DL=P2;		 

		RDB=0;		 

		RDB=1;		//读关闭


		
		TFT_CS=1;		//片选关闭
		
		UART_send_data(DH);
		UART_send_data(DL);

		return temp;		
}
void draw_pic()
{
	int i=0,m=0,n=0	;
	
	
	
	LCD_WRITE_CMD(0x0050);LCD_WRITE_DATA(0x0000);
	LCD_WRITE_CMD(0x0051);LCD_WRITE_DATA(0x00ef);
	LCD_WRITE_CMD(0x0052);LCD_WRITE_DATA(0x0080);
	LCD_WRITE_CMD(0x0053);LCD_WRITE_DATA(0x013f);
	LCD_WRITE_CMD(0x0022);//LCD_WriteCMD(GRAMWR);	


	for(m=0;m<240;m++)     //刷图片
		{
		   	for(n=0;n<240;n++)
			{
			 	if(i == 16800)
					i = 0;

				LCD_WRITE_DATA2(image[i*2+1],image[i*2]);
				
				i++;
				  
			 }
		}

	
		

}
void main(void)
{
	unsigned char id;
	UART_init();
	reset();
	id = LCD_ID_7781(0x00);

	lcd_init();
//	LCD_SET_WIN(20,50,220,250);
	LCD_SET_WIN(0,0,239,319);
	while(1)
	{
				LCD_BRUSH(0xf800);
		delayms(1000);

		LCD_BRUSH(0xffff);
		delayms(1000);
		LCD_BRUSH(0x0000);
		delayms(1000);
//		draw_pic();
	GUI_sprintf_string(20,60,"777888999",0xffff,0x0);
		
				delayms(1000000);
//		LCD_BRUSH(0xf7de);
//		delay(1000);
//////		LCD_BRUSH(0x001f);
//		delay(1000);
 ////		LCD_BRUSH(0xf81f);
////		delay(1000);
//		LCD_BRUSH(0x07e0);
//		delay(1000);
//		LCD_BRUSH(0x001f);
//		delay(1000);
//		LCD_BRUSH(0xffe0);
//		delay(1000);
	}	 
}