void LCD_WR_REG(u8 data)
{ 
   LCD_CS_CLR;     
	 LCD_RS_CLR;	  
   SPI2_ReadWriteByte(data);
   LCD_CS_SET;	
}

void LCD_WR_DATA(u8 data)
{
   LCD_CS_CLR;
	 LCD_RS_SET;
   SPI2_ReadWriteByte(data);
   LCD_CS_SET;
}

void LCD_SetWindows(u16 xStar, u16 yStar,u16 xEnd,u16 yEnd)
{	
	LCD_WR_REG(lcddev.setxcmd);	
	LCD_WR_DATA(xStar>>8);
	LCD_WR_DATA(0x00FF&xStar);		
	LCD_WR_DATA(xEnd>>8);
	LCD_WR_DATA(0x00FF&xEnd);

	LCD_WR_REG(lcddev.setycmd);	
	LCD_WR_DATA(yStar>>8);
	LCD_WR_DATA(0x00FF&yStar);		
	LCD_WR_DATA(yEnd>>8);
	LCD_WR_DATA(0x00FF&yEnd);

	LCD_WriteRAM_Prepare();	//开始写入GRAM			
}


// Write 8 bits to TFT
  #define tft_Write_8(C)   LCD_WR_DATA(C)

//0000 0000 1111 1000 F8  5
//0000 0000 1111 1100 FC  6
//0000 0000 1111 1000 F8  5
// Convert 16 bit colour to 18 bit and write in 3 bytes
#define tft_Write_16(C)  LCD_WR_DATA(((C) & 0xF800)>>8); \
						 LCD_WR_DATA(((C) & 0x07E0)>>3); \
						 LCD_WR_DATA(((C) & 0x001F)<<3)

// Future option for transfer without wait
#define tft_Write_16N(C) tft_Write_16(C)

// Convert swapped byte 16 bit colour to 18 bit and write in 3 bytes
#define tft_Write_16S(C) LCD_WR_DATA((C) & 0xF8); \
           LCD_WR_DATA(((C) & 0xE000)>>11 | ((C) & 0x07)<<5); \
           LCD_WR_DATA(((C) & 0x1F00)>>5)

//OK,测试可用，比点填充速度快
void lB_LCD_Color_Fill(u16 x1,u16 y1,u16 x2,u16 y2, u16 *color_p)
{  
    uint32_t len=0;
    uint16_t height,width;     
    width = x2 - x1 + 1;          
    height = y2 - y1 + 1;
	

	  len=width*height;
    LCD_SetWindows(x1,y1,x2,y2);
	  while ( len-- ) {tft_Write_16(*color_p); color_p++;}
	
}


//OK 可以使用成功，颜色也对！
void LB_LCD_DrawPoint3(u16 x,u16 y,u16 color)
{
	LCD_SetCursor(x,y);//设置光标位置 
  uint8_t colortmp[3];

	colortmp[0]=((color & 0xF800)>>8);
	colortmp[1]=((color & 0x07E0)>>3);
	colortmp[2]=((color & 0x001F)<<3);
//18Bit	
	LCD_WR_DATA(colortmp[0]);//RED
	LCD_WR_DATA(colortmp[1]);//GREEN
	LCD_WR_DATA(colortmp[2]);//BLUE	
}

static void disp_flush(lv_disp_drv_t * disp_drv, const lv_area_t * area, lv_color_t * color_p)
{
    lB_LCD_Color_Fill(area->x1, area->y1, area->x2, area->y2, &color_p->full);
    
    /*IMPORTANT!!!
     *Inform the graphics library that you are ready with the flushing*/
    lv_disp_flush_ready(disp_drv);

}