#include<reg52.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 delay(int value)
{
	int i,j;
	 for(i=0;i<=value;i++)
	 {for(j=0;j<=500;j++);}
}
void LCD_WRITE_CMD(char cmd)
{
	      RS = 0;
	      RDB = 1;
	      WRB = 1;

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

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

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

void reset(void)
{
	RES = 1;
	delay(50);
	RES = 0;
	delay(200);
	RES = 1;
	delay(500);
}

void lcd_init(void)
{
	reset();
	LCD_WRITE_CMD(0x01);// Software Reset
    delay(20);

    LCD_WRITE_CMD(0x11);//Sleep Out
    delay(120);

    LCD_WRITE_CMD(0xc2);//Power Control 3 
    LCD_WRITE_DATA(0x05);//APA2 APA1 APA0   Large
    LCD_WRITE_DATA(0x00);//Step-up cycle in Booster circuit 1 
                         //Step-up cycle in Booster circuit 2,3
    LCD_WRITE_CMD(0xc3);//Power Control 4 
    LCD_WRITE_DATA(0x05);//APA2 APA1 APA0   Large
    LCD_WRITE_DATA(0x00);//Step-up cycle in Booster circuit 1 
                         //Step-up cycle in Booster circuit 2,3
    LCD_WRITE_CMD(0xc4);//Power Control 5 
    LCD_WRITE_DATA(0x05);//APA2 APA1 APA0   Large
    LCD_WRITE_DATA(0x00);//Step-up cycle in Booster circuit 1 
                         //Step-up cycle in Booster circuit 2,3
    LCD_WRITE_CMD(0x3A); 
    LCD_WRITE_DATA(0x55);
    
    LCD_WRITE_CMD(0xD7); 
    LCD_WRITE_DATA(0x40);
    LCD_WRITE_DATA(0xE0);

    LCD_WRITE_CMD(0xFD);
    LCD_WRITE_DATA(0x06);
    LCD_WRITE_DATA(0x11);

    LCD_WRITE_CMD(0xFA);
    LCD_WRITE_DATA(0x38);
    LCD_WRITE_DATA(0x20);
    LCD_WRITE_DATA(0x1C);
    LCD_WRITE_DATA(0x10);
    LCD_WRITE_DATA(0x37);
    LCD_WRITE_DATA(0x12);
    LCD_WRITE_DATA(0x22);
    LCD_WRITE_DATA(0x1E);

    LCD_WRITE_CMD(0xC0);//Set GVDD	
    LCD_WRITE_DATA(0x05);

    LCD_WRITE_CMD(0xC5);//Set Vcom	
    LCD_WRITE_DATA(0x20);
    LCD_WRITE_DATA(0x3D);

    LCD_WRITE_CMD(0xC7);//Set VCOM-OFFSET	
    LCD_WRITE_DATA(0xA9);//  可以微调改善flicker

    LCD_WRITE_CMD(0x36);//Memory data  access control
    LCD_WRITE_DATA(0xC8);//MY MX MV ML RGB MH 0 0   

////Gamma/////////////////////////////////////////////
    LCD_WRITE_CMD(0xE0);//E0H Set
    LCD_WRITE_DATA(0x23);
    LCD_WRITE_DATA(0x23);
    LCD_WRITE_DATA(0x24);
    LCD_WRITE_DATA(0x02);
    LCD_WRITE_DATA(0x08);
    LCD_WRITE_DATA(0x0F);
    LCD_WRITE_DATA(0x35);
    LCD_WRITE_DATA(0x7B);
    LCD_WRITE_DATA(0x43);
    LCD_WRITE_DATA(0x0E);
    LCD_WRITE_DATA(0x1F);
    LCD_WRITE_DATA(0x25);
    LCD_WRITE_DATA(0x10);
    LCD_WRITE_DATA(0x16);
    LCD_WRITE_DATA(0x31);

    LCD_WRITE_CMD(0xE1);//E1H Set
    LCD_WRITE_DATA(0x0D);
    LCD_WRITE_DATA(0x28);
    LCD_WRITE_DATA(0x2E);
    LCD_WRITE_DATA(0x0B);
    LCD_WRITE_DATA(0x11);
    LCD_WRITE_DATA(0x12);
    LCD_WRITE_DATA(0x3E);
    LCD_WRITE_DATA(0x59);
    LCD_WRITE_DATA(0x4C);
    LCD_WRITE_DATA(0x10);
    LCD_WRITE_DATA(0x26);
    LCD_WRITE_DATA(0x2B);
    LCD_WRITE_DATA(0x1B);
    LCD_WRITE_DATA(0x1B);
    LCD_WRITE_DATA(0x1B);
    LCD_WRITE_CMD(0x29);//display on
    LCD_WRITE_CMD(0x2c);//Memory Write
}

void LCD_SET_WIN(void)
{	
	LCD_WRITE_CMD(0x2A); 
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0xef);
	
	LCD_WRITE_CMD(0x2B);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x00);
	LCD_WRITE_DATA(0x01);
	LCD_WRITE_DATA(0x3f);
	
	LCD_WRITE_CMD(0x002C);	
}	


void LCD_BRUSH(int color)
{
	int i,j;
	LCD_WRITE_CMD(0x002C);
	for(i=0;i<240;i++)
		{
			for(j=0;j<320;j++)
				{
				LCD_WRITE_DATA(color>>8);
				LCD_WRITE_DATA(color);
				}
		}
}

unsigned char LCD_ID(unsigned int dat) //读取id
{
	unsigned char temp,DL,DH;
	LCD_WRITE_CMD(dat);
	temp=0;
	P2=0xff;
	/////////////////////////////////////////
	RS=1;		
	TFT_CS=0;		
	RDB=0;		
	delay(5);		
	DH=P2;		  //1byte
	RDB=1;
	///////////////////
	RDB=0;
	DL=P2;		  //2byte	  0X38;
	RDB=1;	
	///////////////////
	RDB=0;
	DH=P2;		  //3byte
	RDB=1;	
	///////////////////
	RDB=0;
	DH=P2;		  //4byte
	RDB=1;	
	TFT_CS=1;		
	temp=DL;
    return temp;	
}

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 main(void)
{
	unsigned char id;
	UART_init();
	reset();
	id = LCD_ID(0x04);
	UART_send_data(id);
	UART_send_data(0x55);

	lcd_init();
	LCD_SET_WIN();
	while(1)
	{
		LCD_BRUSH(0xffff);
		delay(1000);
		LCD_BRUSH(0x0000);
		delay(1000);
		LCD_BRUSH(0xf7de);
		delay(1000);
		LCD_BRUSH(0x001f);
		delay(1000);
		LCD_BRUSH(0x051f);
		delay(1000);
		LCD_BRUSH(0xf800);
		delay(1000);
		LCD_BRUSH(0xf81f);
		delay(1000);
		LCD_BRUSH(0x07e0);
		delay(1000);
		LCD_BRUSH(0x7fff);
		delay(1000);
		LCD_BRUSH(0xffe0);
		delay(1000);
	}	 
}