#define LCD_W  320
#define LCD_H  480

void LCD_RESET(void)
{
	LCD_RST_CLR;
	delay_ms(100);	
	LCD_RST_SET;
	delay_ms(50);
}

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)|(1<<6));
		break;
		case 1:
			lcddev.width=LCD_H;
			lcddev.height=LCD_W;
			LCD_WriteReg(0x36,(1<<3)|(1<<5));
		break;
		case 2:						 	 		
			lcddev.width=LCD_W;
			lcddev.height=LCD_H;	
			LCD_WriteReg(0x36,(1<<3)|(1<<7));
		break;
		case 3:
			lcddev.width=LCD_H;
			lcddev.height=LCD_W;
			LCD_WriteReg(0x36,(1<<3)|(1<<7)|(1<<6)|(1<<5));
		break;	
		default:break;
	}	
}	
	
void LCD_Init(void)
{ 
	LCD_RESET(); //LCD 复位
//*************4.0 ST7796S TN初始化**********//	
	LCD_WR_REG(0xF0);
	LCD_WR_DATA(0xC3);
	LCD_WR_REG(0xF0);
	LCD_WR_DATA(0x96);
	LCD_WR_REG(0x36);
	LCD_WR_DATA(0x48);	
	LCD_WR_REG(0x3A);
	LCD_WR_DATA(0x05);	
	LCD_WR_REG(0xB0);
	LCD_WR_DATA(0x80);	
	LCD_WR_REG(0xB6);
	LCD_WR_DATA(0x00);
	LCD_WR_DATA(0x02);	
	LCD_WR_REG(0xB5);
	LCD_WR_DATA(0x02);
	LCD_WR_DATA(0x03);
	LCD_WR_DATA(0x00);
	LCD_WR_DATA(0x04);
	LCD_WR_REG(0xB1);
	LCD_WR_DATA(0x80);	
	LCD_WR_DATA(0x10);	
	LCD_WR_REG(0xB4);
	LCD_WR_DATA(0x00);
	LCD_WR_REG(0xB7);
	LCD_WR_DATA(0xC6);
	LCD_WR_REG(0xC5);
	LCD_WR_DATA(0x1C);
	LCD_WR_REG(0xE4);
	LCD_WR_DATA(0x31);
	LCD_WR_REG(0xE8);
	LCD_WR_DATA(0x40);
	LCD_WR_DATA(0x8A);
	LCD_WR_DATA(0x00);
	LCD_WR_DATA(0x00);
	LCD_WR_DATA(0x29);
	LCD_WR_DATA(0x19);
	LCD_WR_DATA(0xA5);
	LCD_WR_DATA(0x33);
	LCD_WR_REG(0xC2);
	LCD_WR_REG(0xA7);
	
	LCD_WR_REG(0xE0);
	LCD_WR_DATA(0xF0);
	LCD_WR_DATA(0x09);
	LCD_WR_DATA(0x13);
	LCD_WR_DATA(0x12);
	LCD_WR_DATA(0x12);
	LCD_WR_DATA(0x2B);
	LCD_WR_DATA(0x3C);
	LCD_WR_DATA(0x44);
	LCD_WR_DATA(0x4B);
	LCD_WR_DATA(0x1B);
	LCD_WR_DATA(0x18);
	LCD_WR_DATA(0x17);
	LCD_WR_DATA(0x1D);
	LCD_WR_DATA(0x21);

	LCD_WR_REG(0XE1);
	LCD_WR_DATA(0xF0);
	LCD_WR_DATA(0x09);
	LCD_WR_DATA(0x13);
	LCD_WR_DATA(0x0C);
	LCD_WR_DATA(0x0D);
	LCD_WR_DATA(0x27);
	LCD_WR_DATA(0x3B);
	LCD_WR_DATA(0x44);
	LCD_WR_DATA(0x4D);
	LCD_WR_DATA(0x0B);
	LCD_WR_DATA(0x17);
	LCD_WR_DATA(0x17);
	LCD_WR_DATA(0x1D);
	LCD_WR_DATA(0x21);

	LCD_WR_REG(0xF0);
	LCD_WR_DATA(0x3C);
	LCD_WR_REG(0xF0);
	LCD_WR_DATA(0x69);
	LCD_WR_REG(0X13);
	LCD_WR_REG(0X11);
	LCD_WR_REG(0X29);

  LCD_direction(USE_HORIZONTAL);//设置LCD显示方向 
}