}

/**
  * @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 揃ubble?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  Reset LCD control line(/CS) and Send Start-Byte
  * @param  Start_Byte: the Start-Byte to be sent
  * @retval None
  */
void LCD_nCS_StartByte(uint8_t Start_Byte)
{
////www.armjishu.com
}

/**
  * @brief  Writes index to select the LCD register.
  * @param  LCD_Reg: address of the selected register.
  * @retval None
  */
void LCD_WriteRegIndex(uint8_t LCD_Reg)
{
  ClrCs
  ClrRs
  ClrWr
  LCD_Write(LCD_Reg);
  SetWr
  SetCs
}


/**
  * @brief  Reads the selected LCD Register.
  * @param  None
  * @retval LCD Register Value.
  */
uint16_t LCD_ReadReg(uint8_t LCD_Reg)
{
  uint16_t data;
  
  /* Write 16-bit Index (then Read Reg) */
  ClrCs
  ClrRs
  ClrWr
  LCD_Write(LCD_Reg);
  SetWr

  /* Read 16-bit Reg */
  SetRs
  ClrRd
  SetRd
  data = LCD_Read(); 
  SetCs
    
  return    data;
}


/**
  * @brief  Prepare to write to the LCD RAM.
  * @param  None
  * @retval None
  */
void LCD_WriteRAM_Prepare(void)
{
  /* Write 16-bit Index, then Write Reg */
  ClrCs
  ClrRs
  ClrWr
  LCD_Write(LCD_REG_34);
  SetWr
  SetRs
}


/**
  * @brief  Writes 1 word to the LCD RAM.
  * @param  RGB_Code: the pixel color in RGB mode (5-6-5).
  * @retval None
  */
void LCD_WriteRAMWord(uint16_t RGB_Code)
{
  LCD_WriteRAM_Prepare();
  LCD_WriteRAM(RGB_Code);
  SetCs
}


/**
  * @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 */
  ClrCs
  ClrRs
  ClrWr
  LCD_Write(LCD_Reg);
  SetWr
  /* Write 16-bit Reg */
  SetRs
  ClrWr
  LCD_Write(LCD_RegValue);
  SetWr
  SetCs
}


/**
  * @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)
{
  ClrWr
  LCD_Write(RGB_Code);
  SetWr
}


/**
  * @brief  Power on the LCD.
  * @param  None
  * @retval None
  */
void LCD_PowerOn(void)
{ 
}

/**
  * @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);
}

/*******************************************************************************
* Function Name  : LCD_Pins_Config
* Description    : Configures LCD Pins
                   Push-Pull mode.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void LCD_Pins_Config(void)
{
  GPIO_InitTypeDef GPIO_InitStructure;

  RCC_APB2PeriphClockCmd(LCD_CLK_RS | RCC_APB2Periph_GPIOE |
                         LCD_CLK_WR | LCD_CLK_RD |
                         LCD_CLK_CS, ENABLE);

  // DB15--0
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All;
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
  GPIO_Init(GPIOE, &GPIO_InitStructure);

  //LCD_Pin_WR
  GPIO_InitStructure.GPIO_Pin = LCD_Pin_WR;
  GPIO_Init(LCD_PORT_WR, &GPIO_InitStructure);

  //LCD_Pin_CS
  GPIO_InitStructure.GPIO_Pin = LCD_Pin_CS;
  GPIO_Init(LCD_PORT_CS, &GPIO_InitStructure);

  //LCD_Pin_RS
  GPIO_InitStructure.GPIO_Pin = LCD_Pin_RS;
  GPIO_Init(LCD_PORT_RS, &GPIO_InitStructure);

  //LCD_Pin_RD
  GPIO_InitStructure.GPIO_Pin = LCD_Pin_RD;
  GPIO_Init(LCD_PORT_RD, &GPIO_InitStructure);
  
  SetCs
  SetWr
  SetRd
  SetRs
}
/**
  * @brief  Configures LCD control lines in Output Push-Pull mode.
  * @param  None
  * @retval None
  */
void LCD_CtrlLinesConfig(void)
{

}

/**
  * @brief  Sets or reset LCD control lines.
  * @param  GPIOx: where x can be B or D to select the GPIO peripheral.
  * @param  CtrlPins: the Control line. This parameter can be:
  *     @arg LCD_NCS_PIN: Chip Select pin
  * @param  BitVal: specifies the value to be written to the selected bit.
  *   This parameter can be:
  *     @arg Bit_RESET: to clear the port pin
  *     @arg Bit_SET: to set the port pin
  * @retval None
  */
void  sLCD_CtrlLinesWrite(GPIO_TypeDef* GPIOx, uint16_t CtrlPins, BitAction BitVal)
{
  /* Set or Reset the control line */
  //GPIO_WriteBit(GPIOx, CtrlPins, BitVal);
}


/**
  * @brief  Configures the LCD_SPI interface.
  * @param  None
  * @retval None
  */
void LCD_SPIConfig(void)
{

}

/**
  * @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(__IO uint32_t nCount)
{
  __IO uint32_t index = 0; 
  for(index = (100000 * nCount); index != 0; index--)
  {
  }
}
#endif /* USE_Delay*/
/**
  * @}
  */ 

/**
  * @}
  */ 

/**
  * @}
  */
  
/**
  * @}
  */ 
  
/**
  * @}
  */  
  
/******************* (C) COPYRIGHT 2010 STMicroelectronics *****END OF FILE****/