//St7735S setting display window method
void LCD_SetWindows(u16 xStar,u16 yStar,u16 xEnd,u16 yEnd)
{	
	LCD_WR_REG(0x2A);	            //Set X coordinate
	LCD_WR_DATA(0x00);
	LCD_WR_DATA(xStar);		
	LCD_WR_DATA(0x00);
	LCD_WR_DATA(xEnd);

	LCD_WR_REG(0x2B);	           //Set Y coordinate
	LCD_WR_DATA(0x00);
	LCD_WR_DATA(yStar);		
	LCD_WR_DATA(0x00);
	LCD_WR_DATA(yEnd);

	LCD_WR_REG(0x2C);  //Start writing gram			
}