#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_CD = P0^2;
sbit LCD_RESET = P0^0;
sbit LCD_MOSI = P0^4;
sbit LCD_MISO = P0^5;
sbit LCD_SCK = P0^1;

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();
	}
}

unsigned char SPI_RW(unsigned char byte)
{
	unsigned char bit_ctr;
	
	for(bit_ctr=0;bit_ctr<8;bit_ctr++) // 输出8位
	{
		LCD_SCK=0;LCD_SCK=0;
		LCD_MOSI=(byte&0x80); // MSB TO MOSI
		byte=(byte<<1);	// shift next bit to MSB
		LCD_SCK=1;
		byte|=LCD_MISO;	        // capture current MISO bit
	}
	return byte;
}

void LCD_CD_DATA(unsigned char val)
{
	LCD_CS=0;
	LCD_CD=1;
	SPI_RW(val);
	LCD_CS=1;
}

void LCD_CD_REG(unsigned char reg)
{
	LCD_CS=0;
	LCD_CD=0;
	SPI_RW(reg);
	LCD_CS=1;
}

void LCD_Init()
{
	P0=0;
	P2=0;
	LCD_RESET=0;
	delay_ms(10);
	LCD_RESET=1;
	delay_ms(120);
	
	
	LCD_CD_REG(0x11); //Sleep out
delay_ms(120); //delay 120ms
//------------------------------------ST7735S Frame Rate-----------------------------------------//
LCD_CD_REG(0xB1);
LCD_CD_DATA(0x05);
LCD_CD_DATA(0x3C);//08
LCD_CD_DATA(0x3C);//05
LCD_CD_REG(0xB2);
LCD_CD_DATA(0x05);
LCD_CD_DATA(0x3C);
LCD_CD_DATA(0x3C);
LCD_CD_REG(0xB3);
LCD_CD_DATA(0x05);
LCD_CD_DATA(0x3C);
LCD_CD_DATA(0x3C);
LCD_CD_DATA(0x05);
LCD_CD_DATA(0x3C);
LCD_CD_DATA(0x3C);
//------------------------------------End ST7735S Frame Rate-----------------------------------------//
LCD_CD_REG(0xB4); //Dot inversion
LCD_CD_DATA(0x03);
//------------------------------------ST7735S Power Sequence-----------------------------------------//
LCD_CD_REG(0xC0);
LCD_CD_DATA(0x28);
LCD_CD_DATA(0x08);
LCD_CD_DATA(0x04);
LCD_CD_REG(0xC1);
LCD_CD_DATA(0XC0);
LCD_CD_REG(0xC2);
LCD_CD_DATA(0x0D);
LCD_CD_DATA(0x00);
LCD_CD_REG(0xC3);
LCD_CD_DATA(0x8D);
LCD_CD_DATA(0x2A);
LCD_CD_REG(0xC4);
LCD_CD_DATA(0x8D);
LCD_CD_DATA(0xEE);
//---------------------------------End ST7735S Power Sequence-------------------------------------//
LCD_CD_REG(0xC5); //VCOM
LCD_CD_DATA(0x13);
LCD_CD_REG(0x36); //MX, MY, RGB mode
LCD_CD_DATA(0xc8);

//------------------------------------ST7735S Gamma Sequence-----------------------------------------//
LCD_CD_REG(0xE0);
LCD_CD_DATA(0x04);
LCD_CD_DATA(0x22);
LCD_CD_DATA(0x07);
LCD_CD_DATA(0x0A);
LCD_CD_DATA(0x2E);
LCD_CD_DATA(0x30);
LCD_CD_DATA(0x25);
LCD_CD_DATA(0x2A);
LCD_CD_DATA(0x28);
LCD_CD_DATA(0x26);
LCD_CD_DATA(0x2E);
LCD_CD_DATA(0x3A);
LCD_CD_DATA(0x00);
LCD_CD_DATA(0x01);
LCD_CD_DATA(0x03);
LCD_CD_DATA(0x13);
LCD_CD_REG(0xE1);
LCD_CD_DATA(0x04);
LCD_CD_DATA(0x16);
LCD_CD_DATA(0x06);
LCD_CD_DATA(0x0D);
LCD_CD_DATA(0x2D);
LCD_CD_DATA(0x26);
LCD_CD_DATA(0x23);
LCD_CD_DATA(0x27);
LCD_CD_DATA(0x27);
LCD_CD_DATA(0x25);
LCD_CD_DATA(0x2D);
LCD_CD_DATA(0x3B);
LCD_CD_DATA(0x00);
LCD_CD_DATA(0x01);
LCD_CD_DATA(0x04);
LCD_CD_DATA(0x13);
//------------------------------------End ST7735S Gamma Sequence-----------------------------------------//
LCD_CD_REG(0x3A); //65k mode
LCD_CD_DATA(0x05);
LCD_CD_REG(0x29); //Display on
}

void LCD_SetArea(unsigned int stx,unsigned int sty,unsigned int endx,unsigned int endy)
{
	LCD_CD_REG(0x2A);  
	LCD_CD_DATA(stx>>8);    
	LCD_CD_DATA(stx&0xff);    	
	LCD_CD_DATA(endx>>8); 
	LCD_CD_DATA(endx&0xff);	

	LCD_CD_REG(0x2B);
	LCD_CD_DATA(sty>>8); 
	LCD_CD_DATA(sty&0xff);	
	LCD_CD_DATA(endy>>8); 
	LCD_CD_DATA(endy&0xff);	
}

void LcdWirteColorData(unsigned int color)
{
	LCD_CS=0;
	LCD_CD=1;
	SPI_RW(color>>8);
	SPI_RW(color);
	LCD_CS=1;
}

void LCD_Clear1(unsigned int color)
{  
	unsigned int i,j;

//	LCD_SetArea(0,0,129,130);
		LCD_CD_REG(0x2A);  
	LCD_CD_DATA(0);    
	LCD_CD_DATA(0);    	
	LCD_CD_DATA(0); 
	LCD_CD_DATA(175);	

	LCD_CD_REG(0x2B);
	LCD_CD_DATA(0); 
	LCD_CD_DATA(0);	
	LCD_CD_DATA(0); 
	LCD_CD_DATA(219);	

  LCD_CD_REG(0x2C);
	for(i=0;i<176;i++)
	{				

		for(j=0;j<220;j++)
		{
			LcdWirteColorData(color);
			

		}
		
 	}
}
void LCD_Clear(unsigned int color)
{  
	unsigned int i,j;

//	LCD_SetArea(0,0,129,130);
		LCD_CD_REG(0x2A);  
	LCD_CD_DATA(0);    
	LCD_CD_DATA(0);    	
	LCD_CD_DATA(0); 
	LCD_CD_DATA(175);	

	LCD_CD_REG(0x2B);
	LCD_CD_DATA(0); 
	LCD_CD_DATA(0);	
	LCD_CD_DATA(0); 
	LCD_CD_DATA(219);	

  LCD_CD_REG(0x2C);
	for(i=0;i<176;i++)
	{				

		for(j=0;j<220;j++)
		{
			LcdWirteColorData(color);
			

		}
		
//		delay_ms(2000);
	}
}

void main()
{
	LCD_Init();
	
	while(1)
	{

		LCD_Clear1(0xffff);
		LCD_Clear(RED);
		LCD_Clear(GREEN);
		LCD_Clear(BLUE);
		while(1);
	}
}