#define LCD_W 320
#define LCD_H 480

void LCD_direction(u8 direction)
{ 
			lcddev.setxcmd=0x2A;
			lcddev.setycmd=0x2B;
			lcddev.wramcmd=0x2C;
			lcddev.rramcmd=0x2E;
			lcddev.dir = direction%4;
	switch(lcddev.dir){		  
		case 0:						 	 		
			lcddev.width=LCD_W;
			lcddev.height=LCD_H;		
			LCD_WriteReg(0x36,(1<<3)|(0<<6)|(0<<7));//BGR==1,MY==0,MX==0,MV==0
		break;
		case 1:
			lcddev.width=LCD_H;
			lcddev.height=LCD_W;
			LCD_WriteReg(0x36,(1<<3)|(0<<7)|(1<<6)|(1<<5));//BGR==1,MY==1,MX==0,MV==1
		break;
		case 2:						 	 		
			lcddev.width=LCD_W;
			lcddev.height=LCD_H;	
			LCD_WriteReg(0x36,(1<<3)|(1<<6)|(1<<7));//BGR==1,MY==0,MX==0,MV==0
		break;
		case 3:
			lcddev.width=LCD_H;
			lcddev.height=LCD_W;
			LCD_WriteReg(0x36,(1<<3)|(1<<7)|(1<<5));//BGR==1,MY==1,MX==0,MV==1
		break;	
		default:break;
	}	
}	

void LCD_Init(void)
{  
//*************4.0 ST7796 IPS**********//	
  LCD_Write_Reg(0xF0);
  LCD_Write_Data_8Bit(0xC3);
  LCD_Write_Reg(0xF0);
  LCD_Write_Data_8Bit(0x96);
  LCD_Write_Reg(0x36);
  LCD_Write_Data_8Bit(0x48);  
  LCD_Write_Reg(0x3A);
  LCD_Write_Data_8Bit(0x05);  
  LCD_Write_Reg(0xB0);
  LCD_Write_Data_8Bit(0x80);  
  LCD_Write_Reg(0xB6);
  LCD_Write_Data_8Bit(0x00);
  LCD_Write_Data_8Bit(0x02);  
  LCD_Write_Reg(0xB5);
  LCD_Write_Data_8Bit(0x02);
  LCD_Write_Data_8Bit(0x03);
  LCD_Write_Data_8Bit(0x00);
  LCD_Write_Data_8Bit(0x04);
  LCD_Write_Reg(0xB1);
  LCD_Write_Data_8Bit(0x80);  
  LCD_Write_Data_8Bit(0x10);  
  LCD_Write_Reg(0xB4);
  LCD_Write_Data_8Bit(0x00);
  LCD_Write_Reg(0xB7);
  LCD_Write_Data_8Bit(0xC6);
  LCD_Write_Reg(0xC5);
  LCD_Write_Data_8Bit(0x1C);
  LCD_Write_Reg(0xE4);
  LCD_Write_Data_8Bit(0x31);
  LCD_Write_Reg(0xE8);
  LCD_Write_Data_8Bit(0x40);
  LCD_Write_Data_8Bit(0x8A);
  LCD_Write_Data_8Bit(0x00);
  LCD_Write_Data_8Bit(0x00);
  LCD_Write_Data_8Bit(0x29);
  LCD_Write_Data_8Bit(0x19);
  LCD_Write_Data_8Bit(0xA5);
  LCD_Write_Data_8Bit(0x33);
  LCD_Write_Reg(0xC2);
  LCD_Write_Reg(0xA7);
  
  LCD_Write_Reg(0xE0);
  LCD_Write_Data_8Bit(0xF0);
  LCD_Write_Data_8Bit(0x09);
  LCD_Write_Data_8Bit(0x13);
  LCD_Write_Data_8Bit(0x12);
  LCD_Write_Data_8Bit(0x12);
  LCD_Write_Data_8Bit(0x2B);
  LCD_Write_Data_8Bit(0x3C);
  LCD_Write_Data_8Bit(0x44);
  LCD_Write_Data_8Bit(0x4B);
  LCD_Write_Data_8Bit(0x1B);
  LCD_Write_Data_8Bit(0x18);
  LCD_Write_Data_8Bit(0x17);
  LCD_Write_Data_8Bit(0x1D);
  LCD_Write_Data_8Bit(0x21);

  LCD_Write_Reg(0XE1);
  LCD_Write_Data_8Bit(0xF0);
  LCD_Write_Data_8Bit(0x09);
  LCD_Write_Data_8Bit(0x13);
  LCD_Write_Data_8Bit(0x0C);
  LCD_Write_Data_8Bit(0x0D);
  LCD_Write_Data_8Bit(0x27);
  LCD_Write_Data_8Bit(0x3B);
  LCD_Write_Data_8Bit(0x44);
  LCD_Write_Data_8Bit(0x4D);
  LCD_Write_Data_8Bit(0x0B);
  LCD_Write_Data_8Bit(0x17);
  LCD_Write_Data_8Bit(0x17);
  LCD_Write_Data_8Bit(0x1D);
  LCD_Write_Data_8Bit(0x21);
  LCD_Write_Reg(0X21);
  
  LCD_Write_Reg(0xF0);
  LCD_Write_Data_8Bit(0x3C);
  LCD_Write_Reg(0xF0);
  LCD_Write_Data_8Bit(0x69);
  LCD_Write_Reg(0X13);
  LCD_Write_Reg(0X11);
  LCD_Write_Reg(0X29);
  LCD_direction(USE_HORIZONTAL);//    LCD  ʾ     
}