#include "stc12c5a60s2.h"
#include <intrins.h>

#define     RED          0XF800	  //红色
#define     GREEN        0X07E0	  //绿色
#define     BLUE         0X001F	  //蓝色
#define     WHITE        0XFFFF	  //白色

#define DATA_H P2
#define DATA_L P0

sbit LCD_CS = P0^3;
sbit LCD_RESET = P0^0;
sbit LCD_MOSI = P0^4;
sbit LCD_MISO = P0^5;
sbit LCD_SCK = P0^1;//scl

void Delay1ms()		//@12.000MHz
{
	unsigned char i, j;

	i = 12;
	j = 169;
	do
	{
		while (--j);
	} while (--i);
}

void delay_ms(unsigned int ms)
{
	while(ms--)
	{
		Delay1ms();
	}
}

/**************************************************************************
*
*   Just for SPI to write a byte to Lcd
*
***************************************************************************/
void LCD_WriteByte(unsigned char byte)
{
	unsigned char bit_ctr;
 	for(bit_ctr=0;bit_ctr<8;bit_ctr++) // 输出8位
	{
		
		LCD_SCK=0;
		LCD_MOSI=(byte&0x80); // MSB TO MOSI
		byte=(byte<<1);	// shift next bit to MSB
 		LCD_SCK=1;
	}
 }

  #define START_BYTE  0x70 
  #define SET_INDEX   0x00 
  #define READ_STATUS 0x01 
  #define WRITE_REG   0x02 
  #define READ_REG    0x03 








void  LCD_WriteRegIndex(unsigned int index) /* Select GRAM Reg */ 

{
LCD_CS = 0;
    LCD_WriteByte(START_BYTE|SET_INDEX);//for register index
   // LCD_WriteByte(0);	 //lower byte first
//    LCD_WriteByte(index);
	LCD_WriteByte(index>>8);
    LCD_WriteByte(index&0xff);
LCD_CS = 1;


}

/****************************************************************************
*
*	Write a byte to register index and the parameter to 
*	the register
*
****************************************************************************/
void LCD_WriteReg(unsigned int index,unsigned int val)
{

    LCD_WriteRegIndex(index);

	LCD_CS = 0;
    LCD_WriteByte(START_BYTE|WRITE_REG);
    LCD_WriteByte(val>>8);
    LCD_WriteByte(val&0xff);
  	 LCD_CS = 1;

}

/****************************************************************************
*
* command for Write data 
*
*****************************************************************************/
void Lcd_Write_Start()
{
//#ifdef _SPI
/*LCD_WriteReg(0x20,0x00);
 LCD_WriteReg(0x21,0x00);*/
      LCD_WriteRegIndex(0x202); /* Select GRAM Reg */ 
//      CS = 0; 
      LCD_WriteByte(0x72);//START_BYTE|WRITE_REG

}

/****************************************************************************
*
*  Write one word to Lcd 
*
*****************************************************************************/
void LCD_WriteData(unsigned int val,unsigned int k)
{
  // unsigned char i,j;

 //  Lcd_Write_Start();
  LCD_CS = 0;
		LCD_WriteByte(0x72);

    LCD_WriteByte(val);//high byte
//	delay(100);
    LCD_WriteByte(k);// low byte
	 LCD_CS = 1;

}





void Lcd_Write_End()
{
	LCD_CS = 1;
}



void Lcd_Init()
{
	LCD_RESET = 0;
	delay_ms(100);

    LCD_RESET = 1;
	delay_ms(200);



//---------------st7793 LCD Setting--------------------------//
	LCD_WriteReg(0x400,0x6200);
 	LCD_WriteReg(0x008,0x0808); 
//	LCD_WriteReg(0x010,0x0010);


	LCD_WriteReg(0x300,0x0c0c);//GAMMA
	LCD_WriteReg(0x301,0xff13); 
	LCD_WriteReg(0x302,0x0f0f); 
	LCD_WriteReg(0x303,0x150b); 

	LCD_WriteReg(0x304,0x1020); 

	LCD_WriteReg(0x305,0x0a0b); 
	LCD_WriteReg(0x306,0x0003);	
	LCD_WriteReg(0x307,0x0d06);  
	LCD_WriteReg(0x308,0x0504);  
	LCD_WriteReg(0x309,0x1030);  

	LCD_WriteReg(0x010,0x001b);   //60Hz
 	LCD_WriteReg(0x011,0x0101);
	LCD_WriteReg(0x012,0x0000);
	LCD_WriteReg(0x013,0x0001);

	LCD_WriteReg(0x100,0x0330);//BT,AP 0x0330
	LCD_WriteReg(0x101,0x0247);//DC0,DC1,VC
	LCD_WriteReg(0x103,0x1000);//VDV	//0x0f00
	LCD_WriteReg(0x280,0xbf00);//VCM
	LCD_WriteReg(0x102,0xd1b0);//VRH,VCMR,PSON,PON

	delay_ms(120);

	LCD_WriteReg(0x001,0x0100);
	LCD_WriteReg(0x002,0x0100);
	LCD_WriteReg(0x003,0x1030); 
	LCD_WriteReg(0x009,0x0001);
	LCD_WriteReg(0x0C,0x0000);	//MCU interface
	LCD_WriteReg(0x090,0x8000);
	LCD_WriteReg(0x00f,0x0000);


   	LCD_WriteReg(0x210,0x0000);
	LCD_WriteReg(0x211,0x00ef);
	LCD_WriteReg(0x212,0x0000);
	LCD_WriteReg(0x213,0x018f); 

	LCD_WriteReg(0x500,0x0000); 
	LCD_WriteReg(0x501,0x0000); 
	LCD_WriteReg(0x502,0x005f); 
	LCD_WriteReg(0x401,0x0001); 
	LCD_WriteReg(0x404,0x0000); 
	delay_ms(200);

   	LCD_WriteReg(0x0007,0x0100);
	delay_ms(200);

   	LCD_WriteReg(0x200,0x0000);
	LCD_WriteReg(0x201,0x0000);
   delay_ms(200);

  LCD_WriteRegIndex(0x0202);

}

void set_win_7793()
{
	LCD_WriteReg(0x0210,0 );
	LCD_WriteReg(0x0211, 0xEF);
	LCD_WriteReg(0x0212, 0x00);
	LCD_WriteReg(0x0213, 0x18F);       //432=01AF,400=018F 
	LCD_WriteRegIndex(0x0202);
}

void set_point_7793(unsigned int x,unsigned int y)
{
	LCD_WriteReg(0x0200, x);
	LCD_WriteReg(0x0201, y);	
	LCD_WriteRegIndex(0x0202);

}

void Lcd_test()
{
	unsigned int i,j;
	
	for(i=0;i<400;i++)
		for(j=0;j<240;j++)
		{
			if(i>279)LCD_WriteData(0x00,0x00);
			else if(i>239)LCD_WriteData(0x00,0x1f);
			else if(i>199)LCD_WriteData(0x07,0xe0);
			else if(i>159)LCD_WriteData(0x07,0xff);
			else if(i>119)LCD_WriteData(0xf8,0x00);
			else if(i>79)LCD_WriteData(0xf8,0x1f);
			else if(i>39)LCD_WriteData(0xff,0xe0);
			else LCD_WriteData(0xff,0xff);
		}
		
}

void Lcd_test_black()
{
 unsigned int i,j;


for(i=0;i<400;i++)
		for(j=0;j<240;j++)
		LCD_WriteData(0x00,0x00);
	
}
void Lcd_test_white()
{
 unsigned int i,j;
	
for(i=0;i<400;i++)
		for(j=0;j<240;j++)
		LCD_WriteData(0xff,0xff);
		
}

void Lcd_test_red()
{
 unsigned int i,j;
 


for(i=0;i<400;i++)
		for(j=0;j<240;j++)
 		LCD_WriteData(0xf8,0x00);	  
 
 

}
void Lcd_test_green()
{
 unsigned int i,j;

for(i=0;i<400;i++)
		for(j=0;j<240;j++)
		LCD_WriteData(0x07,0xe0);
	
}


void Lcd_test_blue()
{
 unsigned int i,j;

for(i=0;i<400;i++)
		for(j=0;j<240;j++)
		LCD_WriteData(0x00,0x1f);
	
}

void main()
{ 
//	LCD_CS=0;
	Lcd_Init();
//while(1);
//	set_win_7793();
//	set_point_7793(0,0);
//	Lcd_test();
		while(1)
		{
	Lcd_test_red();
	Lcd_test_black();
	Lcd_test_white();
	
	Lcd_test_green();
	Lcd_test_blue();
	Lcd_test();
		}
   

}