//St7775R method of setting display direction
#define LCD_W 176
#define LCD_H 220
void LCD_Set_Direction(u8 direction)
{ 
	lcddev.dir = direction&3;
	switch(lcddev.dir){		  
		case 0:		 //0 angle vertical display				 	 		
			lcddev.width=LCD_W;
			lcddev.height=LCD_H;		
			LCD_WriteReg(0x0003,0x1030);
		break;
		case 1:      //Rotate 90 degrees clockwise for horizontal display
			lcddev.width=LCD_H;
			lcddev.height=LCD_W;
			LCD_WriteReg(0x0003,0x1028);
		break;
		case 2:		//Rotate 180 degrees clockwise for vertical display	 			 	 		
			lcddev.width=LCD_W;
			lcddev.height=LCD_H;	
			LCD_WriteReg(0x0003,0x1000);
		break;
		case 3:     //Rotate 270 degrees clockwise for horizontal display
			lcddev.width=LCD_H;
			lcddev.height=LCD_W;
			LCD_WriteReg(0x0003,0x1018);
		break;	
		default:break;
	}	
}	 

//St7775R setting display window method
void LCD_SetWindows(u16 xStar,u16 yStar,u16 xEnd,u16 yEnd)
{	
	u16 x,y,tmp;
	switch(lcddev.dir)
	{
		case 0:
			x = xStar;
			y = yStar;
			break;
		case 1:
			tmp = yStar;
			yStar = xStar;
			xStar = LCD_W-1-yEnd;
			yEnd = xEnd;
			xEnd = LCD_W-1-tmp;
			x = xEnd;
			y = yStar;
			break;
		case 2:
			tmp = xStar;
			xStar = LCD_W-1-xEnd;
			xEnd = LCD_W-1-tmp;
			tmp = yStar;
			yStar = LCD_H-1-yEnd;
			yEnd = LCD_H-1-tmp;
			x = xEnd;
			y = yEnd;
			break;
		case 3:
			tmp = xStar;
			xStar = yStar;
			yStar = LCD_H-1-xEnd;
			xEnd = yEnd;
			yEnd = LCD_H-1-tmp;
			x = xStar;
			y = yEnd;
			break;
		default:
			break;
	}
	LCD_WriteReg(0x0036, xEnd);       //Set X coordinate
	LCD_WriteReg(0x0037, xStar);
	LCD_WriteReg(0x0038, yEnd);       //Set Y coordinate
	LCD_WriteReg(0x0039, yStar);
	LCD_WriteReg(0x0020, x);   
	LCD_WriteReg(0x0021, y);
	LCD_WR_REG(0x0022);  //Start writing gram			
}