text: /**
    ******************************************************************************
    * @file    stm3210e_eval_lcd.c
    * @author  MCD Application Team
    * @version V4.5.1
    * @date    20-September-2021
    * @brief   This file includes the LCD driver for AM-240320L8TNQW00H 
    *          (LCD_ILI9320) and AM-240320LDTNQW00H (LCD_SPFD5408B) Liquid Crystal
    *          Display Module of STM3210E-EVAL board.
    ******************************************************************************
    * @attention
    *
    * Copyright (c) 2011 STMicroelectronics.
    * All rights reserved.
    *
    * This software is licensed under terms that can be found in the LICENSE file
    * in the root directory of this software component.
    * If no LICENSE file comes with this software, it is provided AS-IS.
    *
    ******************************************************************************
    */
  
  /* Includes ------------------------------------------------------------------*/
  #include "stm3210e_eval_lcd.h"
  #include "../Common/fonts.c"
  
  /** @addtogroup Utilities
    * @{
    */ 
  
  /** @addtogroup STM32_EVAL
    * @{
    */ 
  
  /** @addtogroup STM3210E_EVAL
    * @{
    */
      
  /** @defgroup STM3210E_EVAL_LCD 
    * @brief This file includes the LCD driver for AM-240320L8TNQW00H 
    *        (LCD_ILI9320) and AM-240320LDTNQW00H (LCD_SPFD5408B) Liquid Crystal
    *        Display Module of STM3210E-EVAL board.
    * @{
    */ 
  
  /** @defgroup STM3210E_EVAL_LCD_Private_TypesDefinitions
    * @{
    */ 
  typedef struct
  {
    __IO uint16_t LCD_REG;
    __IO uint16_t LCD_RAM;
  } LCD_TypeDef;
  /**
    * @}
    */ 
  
  
  /** @defgroup STM3210E_EVAL_LCD_Private_Defines
    * @{
    */
  /* Note: LCD /CS is CE4 - Bank 4 of NOR/SRAM Bank 1~4 */
  #define LCD_BASE           ((uint32_t)(0x60000000 | 0x0C000000))
  #define LCD                ((LCD_TypeDef *) LCD_BASE)
  #define MAX_POLY_CORNERS   200
  #define POLY_Y(Z)          ((int32_t)((Points + Z)->X))
  #define POLY_X(Z)          ((int32_t)((Points + Z)->Y))                                
  /**
    * @}
    */ 
  
  /** @defgroup STM3210E_EVAL_LCD_Private_Macros
    * @{
    */
  #define ABS(X)  ((X) > 0 ? (X) : -(X))    
  /**
    * @}
    */ 
    
  /** @defgroup STM3210E_EVAL_LCD_Private_Variables
    * @{
    */ 
  static sFONT *LCD_Currentfonts;
  /* Global variables to set the written text color */
  static  __IO uint16_t TextColor = 0x0000, BackColor = 0xFFFF;
    
  /**
    * @}
    */ 
  
  
  /** @defgroup STM3210E_EVAL_LCD_Private_FunctionPrototypes
    * @{
    */ 
  #ifndef USE_Delay
  static void delay(vu32 nCount);
  #endif /* USE_Delay*/
  static void PutPixel(int16_t x, int16_t y);
  static void LCD_PolyLineRelativeClosed(pPoint Points, uint16_t PointCount, uint16_t Closed);
  /**
    * @}
    */ 
  
  
  /** @defgroup STM3210E_EVAL_LCD_Private_Functions
    * @{
    */ 
  
  /**
    * @brief  DeInitializes the LCD.
    * @param  None
    * @retval None
    */
  void LCD_DeInit(void)
  { 
    GPIO_InitTypeDef GPIO_InitStructure;
  
    /*!< LCD Display Off */
    LCD_DisplayOff();
  
    /* BANK 4 (of NOR/SRAM Bank 1~4) is disabled */
    FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE);
    
    /*!< LCD_SPI DeInit */
    FSMC_NORSRAMDeInit(FSMC_Bank1_NORSRAM4);
     
    /* Set PD.00(D2), PD.01(D3), PD.04(NOE), PD.05(NWE), PD.08(D13), PD.09(D14),
       PD.10(D15), PD.14(D0), PD.15(D1) as input floating */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5 |
                                  GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_14 | 
                                  GPIO_Pin_15;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIOD, &GPIO_InitStructure);
    /* Set PE.07(D4), PE.08(D5), PE.09(D6), PE.10(D7), PE.11(D8), PE.12(D9), PE.13(D10),
       PE.14(D11), PE.15(D12) as alternate function push pull */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | 
                                  GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | 
                                  GPIO_Pin_15;
    GPIO_Init(GPIOE, &GPIO_InitStructure);
    /* Set PF.00(A0 (RS)) as alternate function push pull */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
    GPIO_Init(GPIOF, &GPIO_InitStructure);
    /* Set PG.12(NE4 (LCD/CS)) as alternate function push pull - CE3(LCD /CS) */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
    GPIO_Init(GPIOG, &GPIO_InitStructure); 
  }
  
  /**
    * @brief  Initializes the LCD.
    * @param  None
    * @retval None
    */
  void STM3210E_LCD_Init(void)
  { 
  /* Configure the LCD Control pins --------------------------------------------*/
    LCD_CtrlLinesConfig();
  /* Configure the FSMC Parallel interface -------------------------------------*/
    LCD_FSMCConfig();
    
    _delay_(5); /* delay 50 ms */
    /* Check if the LCD is SPFD5408B Controller */
    if(LCD_ReadReg(0x00) == 0x5408)
    {
      /* Start Initial Sequence ------------------------------------------------*/
      LCD_WriteReg(LCD_REG_1, 0x0100);  /* Set SS bit */
      LCD_WriteReg(LCD_REG_2, 0x0700);  /* Set 1 line inversion */
      LCD_WriteReg(LCD_REG_3, 0x1030);  /* Set GRAM write direction and BGR=1. */
      LCD_WriteReg(LCD_REG_4, 0x0000);  /* Resize register */
      LCD_WriteReg(LCD_REG_8, 0x0202);  /* Set the back porch and front porch */
      LCD_WriteReg(LCD_REG_9, 0x0000);  /* Set non-display area refresh cycle ISC[3:0] */
      LCD_WriteReg(LCD_REG_10, 0x0000); /* FMARK function */
      LCD_WriteReg(LCD_REG_12, 0x0000); /* RGB 18-bit System interface setting */
      LCD_WriteReg(LCD_REG_13, 0x0000); /* Frame marker Position */
      LCD_WriteReg(LCD_REG_15, 0x0000); /* RGB interface polarity, no impact */
      /* Power On sequence -----------------------------------------------------*/
      LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
      LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
      LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
      LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */
      _delay_(20);                 /* Dis-charge capacitor power voltage (200ms) */
      LCD_WriteReg(LCD_REG_17, 0x0007);  /* DC1[2:0], DC0[2:0], VC[2:0] */
      _delay_(5);                   /* Delay 50 ms */
      LCD_WriteReg(LCD_REG_16, 0x12B0);  /* SAP, BT[3:0], AP, DSTB, SLP, STB */
      _delay_(5);                  /* Delay 50 ms */
      LCD_WriteReg(LCD_REG_18, 0x01BD);  /* External reference voltage= Vci */
      _delay_(5); 
      LCD_WriteReg(LCD_REG_19, 0x1400);  /* VDV[4:0] for VCOM amplitude */
      LCD_WriteReg(LCD_REG_41, 0x000E);  /* VCM[4:0] for VCOMH */
      _delay_(5);                   /* Delay 50 ms */
      LCD_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */
      LCD_WriteReg(LCD_REG_33, 0x013F); /* GRAM Vertical Address */
      /* Adjust the Gamma Curve (SPFD5408B)-------------------------------------*/
      LCD_WriteReg(LCD_REG_48, 0x0b0d);
      LCD_WriteReg(LCD_REG_49, 0x1923);
      LCD_WriteReg(LCD_REG_50, 0x1c26);
      LCD_WriteReg(LCD_REG_51, 0x261c);
      LCD_WriteReg(LCD_REG_52, 0x2419);
      LCD_WriteReg(LCD_REG_53, 0x0d0b);
      LCD_WriteReg(LCD_REG_54, 0x1006);
      LCD_WriteReg(LCD_REG_55, 0x0610);
      LCD_WriteReg(LCD_REG_56, 0x0706);
      LCD_WriteReg(LCD_REG_57, 0x0304);
      LCD_WriteReg(LCD_REG_58, 0x0e05);
      LCD_WriteReg(LCD_REG_59, 0x0e01);
      LCD_WriteReg(LCD_REG_60, 0x010e);
      LCD_WriteReg(LCD_REG_61, 0x050e);
      LCD_WriteReg(LCD_REG_62, 0x0403);
      LCD_WriteReg(LCD_REG_63, 0x0607);
      /* Set GRAM area ---------------------------------------------------------*/
      LCD_WriteReg(LCD_REG_80, 0x0000); /* Horizontal GRAM Start Address */
      LCD_WriteReg(LCD_REG_81, 0x00EF); /* Horizontal GRAM End Address */
      LCD_WriteReg(LCD_REG_82, 0x0000); /* Vertical GRAM Start Address */
      LCD_WriteReg(LCD_REG_83, 0x013F); /* Vertical GRAM End Address */
      LCD_WriteReg(LCD_REG_96,  0xA700); /* Gate Scan Line */
      LCD_WriteReg(LCD_REG_97,  0x0001); /* NDL, VLE, REV */
      LCD_WriteReg(LCD_REG_106, 0x0000); /* set scrolling line */
      /* Partial Display Control -----------------------------------------------*/
      LCD_WriteReg(LCD_REG_128, 0x0000);
      LCD_WriteReg(LCD_REG_129, 0x0000);
      LCD_WriteReg(LCD_REG_130, 0x0000);
      LCD_WriteReg(LCD_REG_131, 0x0000);
      LCD_WriteReg(LCD_REG_132, 0x0000);
      LCD_WriteReg(LCD_REG_133, 0x0000);
      /* Panel Control ---------------------------------------------------------*/
      LCD_WriteReg(LCD_REG_144, 0x0010); 
      LCD_WriteReg(LCD_REG_146, 0x0000);
      LCD_WriteReg(LCD_REG_147, 0x0003);
      LCD_WriteReg(LCD_REG_149, 0x0110);
      LCD_WriteReg(LCD_REG_151, 0x0000);
      LCD_WriteReg(LCD_REG_152, 0x0000);
      /* Set GRAM write direction and BGR=1
         I/D=01 (Horizontal : increment, Vertical : decrement)
         AM=1 (address is updated in vertical writing direction) */
      LCD_WriteReg(LCD_REG_3, 0x1018);
      LCD_WriteReg(LCD_REG_7, 0x0112); /* 262K color and display ON */
      LCD_SetFont(&LCD_DEFAULT_FONT);
      return;
    }
  /* Start Initial Sequence ----------------------------------------------------*/
    LCD_WriteReg(LCD_REG_229,0x8000); /* Set the internal vcore voltage */
    LCD_WriteReg(LCD_REG_0,  0x0001); /* Start internal OSC. */
    LCD_WriteReg(LCD_REG_1,  0x0100); /* set SS and SM bit */
    LCD_WriteReg(LCD_REG_2,  0x0700); /* set 1 line inversion */
    LCD_WriteReg(LCD_REG_3,  0x1030); /* set GRAM write direction and BGR=1. */
    LCD_WriteReg(LCD_REG_4,  0x0000); /* Resize register */
    LCD_WriteReg(LCD_REG_8,  0x0202); /* set the back porch and front porch */
    LCD_WriteReg(LCD_REG_9,  0x0000); /* set non-display area refresh cycle ISC[3:0] */
    LCD_WriteReg(LCD_REG_10, 0x0000); /* FMARK function */
    LCD_WriteReg(LCD_REG_12, 0x0000); /* RGB interface setting */
    LCD_WriteReg(LCD_REG_13, 0x0000); /* Frame marker Position */
    LCD_WriteReg(LCD_REG_15, 0x0000); /* RGB interface polarity */
  /* Power On sequence ---------------------------------------------------------*/
    LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
    LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
    LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
    LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude */
    _delay_(20);                 /* Dis-charge capacitor power voltage (200ms) */
    LCD_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
    LCD_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
    _delay_(5);                  /* Delay 50 ms */
    LCD_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */
    _delay_(5);                  /* Delay 50 ms */
    LCD_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
    LCD_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */
    _delay_(5);                  /* Delay 50 ms */
    LCD_WriteReg(LCD_REG_32, 0x0000); /* GRAM horizontal Address */
    LCD_WriteReg(LCD_REG_33, 0x0000); /* GRAM Vertical Address */
  /* Adjust the Gamma Curve ----------------------------------------------------*/
    LCD_WriteReg(LCD_REG_48, 0x0006);
    LCD_WriteReg(LCD_REG_49, 0x0101);
    LCD_WriteReg(LCD_REG_50, 0x0003);
    LCD_WriteReg(LCD_REG_53, 0x0106);
    LCD_WriteReg(LCD_REG_54, 0x0b02);
    LCD_WriteReg(LCD_REG_55, 0x0302);
    LCD_WriteReg(LCD_REG_56, 0x0707);
    LCD_WriteReg(LCD_REG_57, 0x0007);
    LCD_WriteReg(LCD_REG_60, 0x0600);
    LCD_WriteReg(LCD_REG_61, 0x020b);
    
  /* Set GRAM area -------------------------------------------------------------*/
    LCD_WriteReg(LCD_REG_80, 0x0000); /* Horizontal GRAM Start Address */
    LCD_WriteReg(LCD_REG_81, 0x00EF); /* Horizontal GRAM End Address */
    LCD_WriteReg(LCD_REG_82, 0x0000); /* Vertical GRAM Start Address */
    LCD_WriteReg(LCD_REG_83, 0x013F); /* Vertical GRAM End Address */
    LCD_WriteReg(LCD_REG_96,  0x2700); /* Gate Scan Line */
    LCD_WriteReg(LCD_REG_97,  0x0001); /* NDL,VLE, REV */
    LCD_WriteReg(LCD_REG_106, 0x0000); /* set scrolling line */
  /* Partial Display Control ---------------------------------------------------*/
    LCD_WriteReg(LCD_REG_128, 0x0000);
    LCD_WriteReg(LCD_REG_129, 0x0000);
    LCD_WriteReg(LCD_REG_130, 0x0000);
    LCD_WriteReg(LCD_REG_131, 0x0000);
    LCD_WriteReg(LCD_REG_132, 0x0000);
    LCD_WriteReg(LCD_REG_133, 0x0000);
  /* Panel Control -------------------------------------------------------------*/
    LCD_WriteReg(LCD_REG_144, 0x0010);
    LCD_WriteReg(LCD_REG_146, 0x0000);
    LCD_WriteReg(LCD_REG_147, 0x0003);
    LCD_WriteReg(LCD_REG_149, 0x0110);
    LCD_WriteReg(LCD_REG_151, 0x0000);
    LCD_WriteReg(LCD_REG_152, 0x0000);
    /* Set GRAM write direction and BGR = 1 */
    /* I/D=01 (Horizontal : increment, Vertical : decrement) */
    /* AM=1 (address is updated in vertical writing direction) */
    LCD_WriteReg(LCD_REG_3, 0x1018);
    LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */  
    LCD_SetFont(&LCD_DEFAULT_FONT);  
  }
  
  /**
    * @brief  Sets the LCD Text and Background colors.
    * @param  _TextColor: specifies the Text Color.
    * @param  _BackColor: specifies the Background Color.
    * @retval None
    */
  void LCD_SetColors(__IO uint16_t _TextColor, __IO uint16_t _BackColor)
  {
    TextColor = _TextColor; 
    BackColor = _BackColor;
  }
  
  /**
    * @brief  Gets the LCD Text and Background colors.
    * @param  _TextColor: pointer to the variable that will contain the Text 
              Color.
    * @param  _BackColor: pointer to the variable that will contain the Background 
              Color.
    * @retval None
    */
  void LCD_GetColors(__IO uint16_t *_TextColor, __IO uint16_t *_BackColor)
  {
    *_TextColor = TextColor; *_BackColor = BackColor;
  }
  
  /**
    * @brief  Sets the Text color.
    * @param  Color: specifies the Text color code RGB(5-6-5).
    * @retval None
    */
  void LCD_SetTextColor(__IO uint16_t Color)
  {
    TextColor = Color;
  }
  
  
  /**
    * @brief  Sets the Background color.
    * @param  Color: specifies the Background color code RGB(5-6-5).
    * @retval None
    */
  void LCD_SetBackColor(__IO uint16_t Color)
  {
    BackColor = Color;
  }
  
  /**
    * @brief  Sets the Text Font.
    * @param  fonts: specifies the font to be used.
    * @retval None
    */
  void LCD_SetFont(sFONT *fonts)
  {
    LCD_Currentfonts = fonts;
  }
  
  /**
    * @brief  Gets the Text Font.
    * @param  None.
    * @retval the used font.
    */
  sFONT *LCD_GetFont(void)
  {
    return LCD_Currentfonts;
  }
  
  /**
    * @brief  Clears the selected line.
    * @param  Line: the Line to be cleared.
    *   This parameter can be one of the following values:
    *     @arg Linex: where x can be 0..n
    * @retval None
    */
  void LCD_ClearLine(uint8_t Line)
  {
    uint16_t refcolumn = LCD_PIXEL_WIDTH - 1;
    /* Send the string character by character on lCD */
    while (((refcolumn + 1)&0xFFFF) >= LCD_Currentfonts->Width)
    {
      /* Display one character on LCD */
      LCD_DisplayChar(Line, refcolumn, ' ');
      /* Decrement the column position by 16 */
      refcolumn -= LCD_Currentfonts->Width;
    }
  }
  
  
  /**
    * @brief  Clears the hole LCD.
    * @param  Color: the color of the background.
    * @retval None
    */
  void LCD_Clear(uint16_t Color)
  {
    uint32_t index = 0;
    
    LCD_SetCursor(0x00, 0x013F); 
    LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
    for(index = 0; index < 76800; index++)
    {
      LCD->LCD_RAM = Color;
    }  
  }
  
  
  /**
    * @brief  Sets the cursor position.
    * @param  Xpos: specifies the X position.
    * @param  Ypos: specifies the Y position. 
    * @retval None
    */
  void LCD_SetCursor(uint8_t Xpos, uint16_t Ypos)
  {
    LCD_WriteReg(LCD_REG_32, Xpos);
    LCD_WriteReg(LCD_REG_33, Ypos);
  }
  
  
  /**
    * @brief  Draws a character on LCD.
    * @param  Xpos: the Line where to display the character shape.
    * @param  Ypos: start column address.
    * @param  c: pointer to the character data.
    * @retval None
    */
  void LCD_DrawChar(uint8_t Xpos, uint16_t Ypos, const uint16_t *c)
  {
    uint32_t index = 0, i = 0;
    uint8_t Xaddress = 0;
     
    Xaddress = Xpos;
    
    LCD_SetCursor(Xaddress, Ypos);
    
    for(index = 0; index < LCD_Currentfonts->Height; index++)
    {
      LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
      for(i = 0; i < LCD_Currentfonts->Width; i++)
      {
        if((((c[index] & ((0x80 << ((LCD_Currentfonts->Width / 12 ) * 8 ) ) >> i)) == 0x00) &&(LCD_Currentfonts->Width <= 12))||
          (((c[index] & (0x1 << i)) == 0x00)&&(LCD_Currentfonts->Width > 12 )))
  
        {
          LCD_WriteRAM(BackColor);
        }
        else
        {
          LCD_WriteRAM(TextColor);
        }
      }
      Xaddress++;
      LCD_SetCursor(Xaddress, Ypos);
    }
  }
  
  
  /**
    * @brief  Displays one character (16dots width, 24dots height).
    * @param  Line: the Line where to display the character shape .
    *   This parameter can be one of the following values:
    *     @arg Linex: where x can be 0..9
    * @param  Column: start column address.
    * @param  Ascii: character ascii code, must be between 0x20 and 0x7E.
    * @retval None
    */
  void LCD_DisplayChar(uint8_t Line, uint16_t Column, uint8_t Ascii)
  {
    Ascii -= 32;
    LCD_DrawChar(Line, Column, &LCD_Currentfonts->table[Ascii * LCD_Currentfonts->Height]);
  }
  
  
  /**
    * @brief  Displays a maximum of 20 char on the LCD.
    * @param  Line: the Line where to display the character shape .
    *   This parameter can be one of the following values:
    *     @arg Linex: where x can be 0..9
    * @param  *ptr: pointer to string to display on LCD.
    * @retval None
    */
  void LCD_DisplayStringLine(uint8_t Line, uint8_t *ptr)
  {
    uint16_t refcolumn = LCD_PIXEL_WIDTH - 1;
  
    /* Send the string character by character on lCD */
    while ((*ptr != 0) & (((refcolumn + 1) & 0xFFFF) >= LCD_Currentfonts->Width))
    {
      /* Display one character on LCD */
      LCD_DisplayChar(Line, refcolumn, *ptr);
      /* Decrement the column position by 16 */
      refcolumn -= LCD_Currentfonts->Width;
      /* Point on the next character */
      ptr++;
    }
  }
  
  
  /**
    * @brief  Sets a display window
    * @param  Xpos: specifies the X buttom left position.
    * @param  Ypos: specifies the Y buttom left position.
    * @param  Height: display window height.
    * @param  Width: display window width.
    * @retval None
    */
  void LCD_SetDisplayWindow(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width)
  {
    /* Horizontal GRAM Start Address */
    if(Xpos >= Height)
    {
      LCD_WriteReg(LCD_REG_80, (Xpos - Height + 1));
    }
    else
    {
      LCD_WriteReg(LCD_REG_80, 0);
    }
    /* Horizontal GRAM End Address */
    LCD_WriteReg(LCD_REG_81, Xpos);
    /* Vertical GRAM Start Address */
    if(Ypos >= Width)
    {
      LCD_WriteReg(LCD_REG_82, (Ypos - Width + 1));
    }  
    else
    {
      LCD_WriteReg(LCD_REG_82, 0);
    }
    /* Vertical GRAM End Address */
    LCD_WriteReg(LCD_REG_83, Ypos);
    LCD_SetCursor(Xpos, Ypos);
  }
  
  
  /**
    * @brief  Disables LCD Window mode.
    * @param  None
    * @retval None
    */
  void LCD_WindowModeDisable(void)
  {
    LCD_SetDisplayWindow(239, 0x13F, 240, 320);
    LCD_WriteReg(LCD_REG_3, 0x1018);    
  }
  
  
  /**
    * @brief  Displays a line.
    * @param Xpos: specifies the X position.
    * @param Ypos: specifies the Y position.
    * @param Length: line length.
    * @param Direction: line direction.
    *   This parameter can be one of the following values: Vertical or Horizontal.
    * @retval None
    */
  void LCD_DrawLine(uint8_t Xpos, uint16_t Ypos, uint16_t Length, uint8_t Direction)
  {
    uint32_t i = 0;
    
    LCD_SetCursor(Xpos, Ypos);
    if(Direction == LCD_DIR_HORIZONTAL)
    {
      LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
      for(i = 0; i < Length; i++)
      {
        LCD_WriteRAM(TextColor);
      }
    }
    else
    {
      for(i = 0; i < Length; i++)
      {
        LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
        LCD_WriteRAM(TextColor);
        Xpos++;
        LCD_SetCursor(Xpos, Ypos);
      }
    }
  }
  
  
  /**
    * @brief  Displays a rectangle.
    * @param  Xpos: specifies the X position.
    * @param  Ypos: specifies the Y position.
    * @param  Height: display rectangle height.
    * @param  Width: display rectangle width.
    * @retval None
    */
  void LCD_DrawRect(uint8_t Xpos, uint16_t Ypos, uint8_t Height, uint16_t Width)
  {
    LCD_DrawLine(Xpos, Ypos, Width, LCD_DIR_HORIZONTAL);
    LCD_DrawLine((Xpos + Height), Ypos, Width, LCD_DIR_HORIZONTAL);
    
    LCD_DrawLine(Xpos, Ypos, Height, LCD_DIR_VERTICAL);
    LCD_DrawLine(Xpos, (Ypos - Width + 1), Height, LCD_DIR_VERTICAL);
  }
  
  
  /**
    * @brief  Displays a circle.
    * @param  Xpos: specifies the X position.
    * @param  Ypos: specifies the Y position.
    * @param  Radius
    * @retval None
    */
  void LCD_DrawCircle(uint8_t Xpos, uint16_t Ypos, uint16_t Radius)
  {
    int32_t  D;/* Decision Variable */ 
    uint32_t  CurX;/* Current X Value */
    uint32_t  CurY;/* Current Y Value */ 
    
    D = 3 - (Radius << 1);
    CurX = 0;
    CurY = Radius;
    
    while (CurX <= CurY)
    {
      LCD_SetCursor(Xpos + CurX, Ypos + CurY);
      LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
      LCD_WriteRAM(TextColor);
      LCD_SetCursor(Xpos + CurX, Ypos - CurY);
      LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
      LCD_WriteRAM(TextColor);
      LCD_SetCursor(Xpos - CurX, Ypos + CurY);
      LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
      LCD_WriteRAM(TextColor);
      LCD_SetCursor(Xpos - CurX, Ypos - CurY);
      LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
      LCD_WriteRAM(TextColor);
      LCD_SetCursor(Xpos + CurY, Ypos + CurX);
      LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
      LCD_WriteRAM(TextColor);
      LCD_SetCursor(Xpos + CurY, Ypos - CurX);
      LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
      LCD_WriteRAM(TextColor);
      LCD_SetCursor(Xpos - CurY, Ypos + CurX);
      LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
      LCD_WriteRAM(TextColor);
      LCD_SetCursor(Xpos - CurY, Ypos - CurX);
      LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
      LCD_WriteRAM(TextColor);
      if (D < 0)
      { 
        D += (CurX << 2) + 6;
      }
      else
      {
        D += ((CurX - CurY) << 2) + 10;
        CurY--;
      }
      CurX++;
    }
  }
  
  
  /**
    * @brief  Displays a monocolor picture.
    * @param  Pict: pointer to the picture array.
    * @retval None
    */
  void LCD_DrawMonoPict(const uint32_t *Pict)
  {
    uint32_t index = 0, i = 0;
    LCD_SetCursor(0, (LCD_PIXEL_WIDTH - 1));
    LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
    for(index = 0; index < 2400; index++)
    {
      for(i = 0; i < 32; i++)
      {
        if((Pict[index] & (1 << i)) == 0x00)
        {
          LCD_WriteRAM(BackColor);
        }
        else
        {
          LCD_WriteRAM(TextColor);
        }
      }
    }
  }
  
  
  /**
    * @brief  Displays a bitmap picture loaded in the internal Flash.
    * @param  BmpAddress: Bmp picture address in the internal Flash.
    * @retval None
    */
  void LCD_WriteBMP(uint32_t BmpAddress)
  {
    uint32_t index = 0, size = 0;
    /* Read bitmap size */
    size = *(__IO uint16_t *) (BmpAddress + 2);
    size |= (*(__IO uint16_t *) (BmpAddress + 4)) << 16;
    /* Get bitmap data address offset */
    index = *(__IO uint16_t *) (BmpAddress + 10);
    index |= (*(__IO uint16_t *) (BmpAddress + 12)) << 16;
    size = (size - index)/2;
    BmpAddress += index;
    /* Set GRAM write direction and BGR = 1 */
    /* I/D=00 (Horizontal : decrement, Vertical : decrement) */
    /* AM=1 (address is updated in vertical writing direction) */
    LCD_WriteReg(LCD_REG_3, 0x1008);
   
    LCD_WriteRAM_Prepare();
   
    for(index = 0; index < size; index++)
    {
      LCD_WriteRAM(*(__IO uint16_t *)BmpAddress);
      BmpAddress += 2;
    }
   
    /* Set GRAM write direction and BGR = 1 */
    /* I/D = 01 (Horizontal : increment, Vertical : decrement) */
    /* AM = 1 (address is updated in vertical writing direction) */
    LCD_WriteReg(LCD_REG_3, 0x1018);
  }
  
  /**
    * @brief  Displays a full rectangle.
    * @param  Xpos: specifies the X position.
    * @param  Ypos: specifies the Y position.
    * @param  Height: rectangle height.
    * @param  Width: rectangle width.
    * @retval None
    */
  void LCD_DrawFullRect(uint16_t Xpos, uint16_t Ypos, uint16_t Width, uint16_t Height)
  {
    LCD_SetTextColor(TextColor);
  
    LCD_DrawLine(Xpos, Ypos, Width, LCD_DIR_HORIZONTAL);
    LCD_DrawLine((Xpos + Height), Ypos, Width, LCD_DIR_HORIZONTAL);
    
    LCD_DrawLine(Xpos, Ypos, Height, LCD_DIR_VERTICAL);
    LCD_DrawLine(Xpos, (Ypos - Width + 1), Height, LCD_DIR_VERTICAL);
  
    Width -= 2;
    Height--;
    Ypos--;
  
    LCD_SetTextColor(BackColor);
  
    while(Height--)
    {
      LCD_DrawLine(++Xpos, Ypos, Width, LCD_DIR_HORIZONTAL);    
    }
  
    LCD_SetTextColor(TextColor);
  }
  
  /**
    * @brief  Displays a full circle.
    * @param  Xpos: specifies the X position.
    * @param  Ypos: specifies the Y position.
    * @param  Radius
    * @retval None
    */
  void LCD_DrawFullCircle(uint16_t Xpos, uint16_t Ypos, uint16_t Radius)
  {
    int32_t  D;    /* Decision Variable */ 
    uint32_t  CurX;/* Current X Value */
    uint32_t  CurY;/* Current Y Value */ 
    
    D = 3 - (Radius << 1);
  
    CurX = 0;
    CurY = Radius;
    
    LCD_SetTextColor(BackColor);
  
    while (CurX <= CurY)
    {
      if(CurY > 0) 
      {
        LCD_DrawLine(Xpos - CurX, Ypos + CurY, 2*CurY, LCD_DIR_HORIZONTAL);
        LCD_DrawLine(Xpos + CurX, Ypos + CurY, 2*CurY, LCD_DIR_HORIZONTAL);
      }
  
      if(CurX > 0) 
      {
        LCD_DrawLine(Xpos - CurY, Ypos + CurX, 2*CurX, LCD_DIR_HORIZONTAL);
        LCD_DrawLine(Xpos + CurY, Ypos + CurX, 2*CurX, LCD_DIR_HORIZONTAL);
      }
      if (D < 0)
      { 
        D += (CurX << 2) + 6;
      }
      else
      {
        D += ((CurX - CurY) << 2) + 10;
        CurY--;
      }
      CurX++;
    }
  
    LCD_SetTextColor(TextColor);
    LCD_DrawCircle(Xpos, Ypos, Radius);
  }
  
  /**
    * @brief  Displays an uni line (between two points).
    * @param  x1: specifies the point 1 x position.
    * @param  y1: specifies the point 1 y position.
    * @param  x2: specifies the point 2 x position.
    * @param  y2: specifies the point 2 y position.
    * @retval None
    */
  void LCD_DrawUniLine(uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2)
  {
    int16_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0, 
    yinc1 = 0, yinc2 = 0, den = 0, num = 0, numadd = 0, numpixels = 0, 
    curpixel = 0;
    
    deltax = ABS(x2 - x1);        /* The difference between the x's */
    deltay = ABS(y2 - y1);        /* The difference between the y's */
    x = x1;                       /* Start x off at the first pixel */
    y = y1;                       /* Start y off at the first pixel */
    
    if (x2 >= x1)                 /* The x-values are increasing */
    {
      xinc1 = 1;
      xinc2 = 1;
    }
    else                          /* The x-values are decreasing */
    {
      xinc1 = -1;
      xinc2 = -1;
    }
    
    if (y2 >= y1)                 /* The y-values are increasing */
    {
      yinc1 = 1;
      yinc2 = 1;
    }
    else                          /* The y-values are decreasing */
    {
      yinc1 = -1;
      yinc2 = -1;
    }
    
    if (deltax >= deltay)         /* There is at least one x-value for every y-value */
    {
      xinc1 = 0;                  /* Don't change the x when numerator >= denominator */
      yinc2 = 0;                  /* Don't change the y for every iteration */
      den = deltax;
      num = deltax / 2;
      numadd = deltay;
      numpixels = deltax;         /* There are more x-values than y-values */
    }
    else                          /* There is at least one y-value for every x-value */
    {
      xinc2 = 0;                  /* Don't change the x for every iteration */
      yinc1 = 0;                  /* Don't change the y when numerator >= denominator */
      den = deltay;
      num = deltay / 2;
      numadd = deltax;
      numpixels = deltay;         /* There are more y-values than x-values */
    }
    
    for (curpixel = 0; curpixel <= numpixels; curpixel++)
    {
      PutPixel(x, y);             /* Draw the current pixel */
      num += numadd;              /* Increase the numerator by the top of the fraction */
      if (num >= den)             /* Check if numerator >= denominator */
      {
        num -= den;               /* Calculate the new numerator value */
        x += xinc1;               /* Change the x as appropriate */
        y += yinc1;               /* Change the y as appropriate */
      }
      x += xinc2;                 /* Change the x as appropriate */
      y += yinc2;                 /* Change the y as appropriate */
    }
  }
  
  /**
    * @brief  Displays an polyline (between many points).
    * @param  Points: pointer to the points array.
    * @param  PointCount: Number of points.
    * @retval None
    */
  void LCD_PolyLine(pPoint Points, uint16_t PointCount)
  {
    int16_t X = 0, Y = 0;
  
    if(PointCount < 2)
    {
      return;
    }
  
    while(--PointCount)
    {
      X = Points->X;
      Y = Points->Y;
      Points++;
      LCD_DrawUniLine(X, Y, Points->X, Points->Y);
    }
  }
  
  /**
    * @brief  Displays an relative polyline (between many points).
    * @param  Points: pointer to the points array.
    * @param  PointCount: Number of points.
    * @param  Closed: specifies if the draw is closed or not.
    *           1: closed, 0 : not closed.
    * @retval None
    */
  static void LCD_PolyLineRelativeClosed(pPoint Points, uint16_t PointCount, uint16_t Closed)
  {
    int16_t X = 0, Y = 0;
    pPoint First = Points;
  
    if(PointCount < 2)
    {
      return;
    }  
    X = Points->X;
    Y = Points->Y;
    while(--PointCount)
    {
      Points++;
      LCD_DrawUniLine(X, Y, X + Points->X, Y + Points->Y);
      X = X + Points->X;
      Y = Y + Points->Y;
    }
    if(Closed)
    {
      LCD_DrawUniLine(First->X, First->Y, X, Y);
    }  
  }
  
  /**
    * @brief  Displays a closed polyline (between many points).
    * @param  Points: pointer to the points array.
    * @param  PointCount: Number of points.
    * @retval None
    */
  void LCD_ClosedPolyLine(pPoint Points, uint16_t PointCount)
  {
    LCD_PolyLine(Points, PointCount);
    LCD_DrawUniLine(Points->X, Points->Y, (Points+PointCount-1)->X, (Points+PointCount-1)->Y);
  }
  
  /**
    * @brief  Displays a relative polyline (between many points).
    * @param  Points: pointer to the points array.
    * @param  PointCount: Number of points.
    * @retval None
    */
  void LCD_PolyLineRelative(pPoint Points, uint16_t PointCount)
  {
    LCD_PolyLineRelativeClosed(Points, PointCount, 0);
  }
  
  /**
    * @brief  Displays a closed relative polyline (between many points).
    * @param  Points: pointer to the points array.
    * @param  PointCount: Number of points.
    * @retval None
    */
  void LCD_ClosedPolyLineRelative(pPoint Points, uint16_t PointCount)
  {
    LCD_PolyLineRelativeClosed(Points, PointCount, 1);
  }
  
  
  /**
    * @brief  Displays a  full polyline (between many points).
    * @param  Points: pointer to the points array.
    * @param  PointCount: Number of points.
    * @retval None
    */
  void LCD_FillPolyLine(pPoint Points, uint16_t PointCount)
  {
    /*  public-domain code by Darel Rex Finley, 2007 */
    uint16_t  nodes = 0, nodeX[MAX_POLY_CORNERS], pixelX = 0, pixelY = 0, i = 0,
    j = 0, swap = 0;
    uint16_t  IMAGE_LEFT = 0, IMAGE_RIGHT = 0, IMAGE_TOP = 0, IMAGE_BOTTOM = 0;
  
    IMAGE_LEFT = IMAGE_RIGHT = Points->X;
    IMAGE_TOP= IMAGE_BOTTOM = Points->Y;
  
    for(i = 1; i < PointCount; i++)
    {
      pixelX = POLY_X(i);
      if(pixelX < IMAGE_LEFT)
      {
        IMAGE_LEFT = pixelX;
      }
      if(pixelX > IMAGE_RIGHT)
      {
        IMAGE_RIGHT = pixelX;
      }
      
      pixelY = POLY_Y(i);
      if(pixelY < IMAGE_TOP)
      { 
        IMAGE_TOP = pixelY;
      }
      if(pixelY > IMAGE_BOTTOM)
      {
        IMAGE_BOTTOM = pixelY;
      }
    }
    
    LCD_SetTextColor(BackColor);  
  
    /*  Loop through the rows of the image. */
    for (pixelY = IMAGE_TOP; pixelY < IMAGE_BOTTOM; pixelY++) 
    {  
      /* Build a list of nodes. */
      nodes = 0; j = PointCount-1;
  
      for (i = 0; i < PointCount; i++) 
      {
        if (POLY_Y(i)<(double) pixelY && POLY_Y(j)>=(double) pixelY || POLY_Y(j)<(double) pixelY && POLY_Y(i)>=(double) pixelY) 
        {
          nodeX[nodes++]=(int) (POLY_X(i)+((pixelY-POLY_Y(i))*(POLY_X(j)-POLY_X(i)))/(POLY_Y(j)-POLY_Y(i))); 
        }
        j = i; 
      }
    
      /* Sort the nodes, via a simple "Bubble" sort. */
      i = 0;
      while (i < nodes-1) 
      {
        if (nodeX[i]>nodeX[i+1]) 
        {
          swap = nodeX[i]; 
          nodeX[i] = nodeX[i+1]; 
          nodeX[i+1] = swap; 
          if(i)
          {
            i--; 
          }
        }
        else 
        {
          i++;
        }
      }
    
      /*  Fill the pixels between node pairs. */
      for (i = 0; i < nodes; i+=2) 
      {
        if(nodeX[i] >= IMAGE_RIGHT) 
        {
          break;
        }
        if(nodeX[i+1] > IMAGE_LEFT) 
        {
          if (nodeX[i] < IMAGE_LEFT)
          {
            nodeX[i]=IMAGE_LEFT;
          }
          if(nodeX[i+1] > IMAGE_RIGHT)
          {
            nodeX[i+1] = IMAGE_RIGHT;
          }
          LCD_SetTextColor(BackColor);
          LCD_DrawLine(pixelY, nodeX[i+1], nodeX[i+1] - nodeX[i], LCD_DIR_HORIZONTAL);
          LCD_SetTextColor(TextColor);
          PutPixel(pixelY, nodeX[i+1]);
          PutPixel(pixelY, nodeX[i]);
          /* for (j=nodeX[i]; j<nodeX[i+1]; j++) PutPixel(j,pixelY); */
        }
      }
    } 
  
    /* draw the edges */
    LCD_SetTextColor(TextColor);
  }
  
  /**
    * @brief  Writes to the selected LCD register.
    * @param  LCD_Reg: address of the selected register.
    * @param  LCD_RegValue: value to write to the selected register.
    * @retval None
    */
  void LCD_WriteReg(uint8_t LCD_Reg, uint16_t LCD_RegValue)
  {
    /* Write 16-bit Index, then Write Reg */
    LCD->LCD_REG = LCD_Reg;
    /* Write 16-bit Reg */
    LCD->LCD_RAM = LCD_RegValue;
  }
  
  
  /**
    * @brief  Reads the selected LCD Register.
    * @param  LCD_Reg: address of the selected register.
    * @retval LCD Register Value.
    */
  uint16_t LCD_ReadReg(uint8_t LCD_Reg)
  {
    /* Write 16-bit Index (then Read Reg) */
    LCD->LCD_REG = LCD_Reg;
    /* Read 16-bit Reg */
    return (LCD->LCD_RAM);
  }
  
  
  /**
    * @brief  Prepare to write to the LCD RAM.
    * @param  None
    * @retval None
    */
  void LCD_WriteRAM_Prepare(void)
  {
    LCD->LCD_REG = LCD_REG_34;
  }
  
  
  /**
    * @brief  Writes to the LCD RAM.
    * @param  RGB_Code: the pixel color in RGB mode (5-6-5).
    * @retval None
    */
  void LCD_WriteRAM(uint16_t RGB_Code)
  {
    /* Write 16-bit GRAM Reg */
    LCD->LCD_RAM = RGB_Code;
  }
  
  
  /**
    * @brief  Reads the LCD RAM.
    * @param  None
    * @retval LCD RAM Value.
    */
  uint16_t LCD_ReadRAM(void)
  {
    /* Write 16-bit Index (then Read Reg) */
    LCD->LCD_REG = LCD_REG_34; /* Select GRAM Reg */
    /* Read 16-bit Reg */
    return LCD->LCD_RAM;
  }
  
  
  /**
    * @brief  Power on the LCD.
    * @param  None
    * @retval None
    */
  void LCD_PowerOn(void)
  {
  /* Power On sequence ---------------------------------------------------------*/
    LCD_WriteReg(LCD_REG_16, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
    LCD_WriteReg(LCD_REG_17, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
    LCD_WriteReg(LCD_REG_18, 0x0000); /* VREG1OUT voltage */
    LCD_WriteReg(LCD_REG_19, 0x0000); /* VDV[4:0] for VCOM amplitude*/
    _delay_(20);                 /* Dis-charge capacitor power voltage (200ms) */
    LCD_WriteReg(LCD_REG_16, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
    LCD_WriteReg(LCD_REG_17, 0x0137); /* DC1[2:0], DC0[2:0], VC[2:0] */
    _delay_(5);                  /* Delay 50 ms */
    LCD_WriteReg(LCD_REG_18, 0x0139); /* VREG1OUT voltage */
    _delay_(5);                  /* Delay 50 ms */
    LCD_WriteReg(LCD_REG_19, 0x1d00); /* VDV[4:0] for VCOM amplitude */
    LCD_WriteReg(LCD_REG_41, 0x0013); /* VCM[4:0] for VCOMH */
    _delay_(5);                  /* Delay 50 ms */
    LCD_WriteReg(LCD_REG_7, 0x0173);  /* 262K color and display ON */
  }
  
  
  /**
    * @brief  Enables the Display.
    * @param  None
    * @retval None
    */
  void LCD_DisplayOn(void)
  {
    /* Display On */
    LCD_WriteReg(LCD_REG_7, 0x0173); /* 262K color and display ON */
  }
  
  
  /**
    * @brief  Disables the Display.
    * @param  None
    * @retval None
    */
  void LCD_DisplayOff(void)
  {
    /* Display Off */
    LCD_WriteReg(LCD_REG_7, 0x0); 
  }
  
  
  /**
    * @brief  Configures LCD Control lines (FSMC Pins) in alternate function mode.
    * @param  None
    * @retval None
    */
  void LCD_CtrlLinesConfig(void)
  {
    GPIO_InitTypeDef GPIO_InitStructure;
    /* Enable FSMC, GPIOD, GPIOE, GPIOF, GPIOG and AFIO clocks */
    RCC_AHBPeriphClockCmd(RCC_AHBPeriph_FSMC, ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOD | RCC_APB2Periph_GPIOE |
                           RCC_APB2Periph_GPIOF | RCC_APB2Periph_GPIOG |
                           RCC_APB2Periph_AFIO, ENABLE);
    /* Set PD.00(D2), PD.01(D3), PD.04(NOE), PD.05(NWE), PD.08(D13), PD.09(D14),
       PD.10(D15), PD.14(D0), PD.15(D1) as alternate function push pull */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_4 | GPIO_Pin_5 |
                                  GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | GPIO_Pin_14 | 
                                  GPIO_Pin_15;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_Init(GPIOD, &GPIO_InitStructure);
    /* Set PE.07(D4), PE.08(D5), PE.09(D6), PE.10(D7), PE.11(D8), PE.12(D9), PE.13(D10),
       PE.14(D11), PE.15(D12) as alternate function push pull */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9 | GPIO_Pin_10 | 
                                  GPIO_Pin_11 | GPIO_Pin_12 | GPIO_Pin_13 | GPIO_Pin_14 | 
                                  GPIO_Pin_15;
    GPIO_Init(GPIOE, &GPIO_InitStructure);
    /* Set PF.00(A0 (RS)) as alternate function push pull */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
    GPIO_Init(GPIOF, &GPIO_InitStructure);
    /* Set PG.12(NE4 (LCD/CS)) as alternate function push pull - CE3(LCD /CS) */
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
    GPIO_Init(GPIOG, &GPIO_InitStructure);
  }
  
  
  /**
    * @brief  Configures the Parallel interface (FSMC) for LCD(Parallel mode)
    * @param  None
    * @retval None
    */
  void LCD_FSMCConfig(void)
  {
    FSMC_NORSRAMInitTypeDef  FSMC_NORSRAMInitStructure;
    FSMC_NORSRAMTimingInitTypeDef  p;
  /*-- FSMC Configuration ------------------------------------------------------*/
  /*----------------------- SRAM Bank 4 ----------------------------------------*/
    /* FSMC_Bank1_NORSRAM4 configuration */
    p.FSMC_AddressSetupTime = 1;
    p.FSMC_AddressHoldTime = 0;
    p.FSMC_DataSetupTime = 2;
    p.FSMC_BusTurnAroundDuration = 0;
    p.FSMC_CLKDivision = 0;
    p.FSMC_DataLatency = 0;
    p.FSMC_AccessMode = FSMC_AccessMode_A;
    /* Color LCD configuration ------------------------------------
       LCD configured as follow:
          - Data/Address MUX = Disable
          - Memory Type = SRAM
          - Data Width = 16bit
          - Write Operation = Enable
          - Extended Mode = Enable
          - Asynchronous Wait = Disable */
    FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM4;
    FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable;
    FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_SRAM;
    FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_16b;
    FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable;
    FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable;  
    FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low;
    FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable;
    FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState;
    FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable;
    FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable;
    FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Disable;
    FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable;
    FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &p;
    FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &p;
    FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure);  
    /* BANK 4 (of NOR/SRAM Bank 1~4) is enabled */
    FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM4, ENABLE);
  }
  
  /**
    * @brief  Displays a pixel.
    * @param  x: pixel x.
    * @param  y: pixel y.  
    * @retval None
    */
  static void PutPixel(int16_t x, int16_t y)
  { 
    if(x < 0 || x > 239 || y < 0 || y > 319)
    {
      return;  
    }
    LCD_DrawLine(x, y, 1, LCD_DIR_HORIZONTAL);
  }
  
  #ifndef USE_Delay
  /**
    * @brief  Inserts a delay time.
    * @param  nCount: specifies the delay time length.
    * @retval None
    */
  static void delay(vu32 nCount)
  {
    vu32 index = 0; 
    for(index = (100000 * nCount); index != 0; index--)
    {
    }
  }
  #endif /* USE_Delay*/
  /**
    * @}
    */ 
  
  /**
    * @}
    */ 
    
  /**
    * @}
    */ 
  
  /**
    * @}
    */ 
    
  /**
    * @}
    */  
  
  