stm3210c_eval_lcd.c

LWIP在STM32裸机上的移植

    SetCs
    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 = 0;

  /* Send the string character by character on lCD */
  //while ((*ptr != 0) & (((refcolumn + 1) & 0xFFFF) <= LCD_Currentfonts->Width))
  while ((*ptr != 0))
  {
    /* Display one character on LCD */
    LCD_DisplayChar(Line, refcolumn, *ptr);
    /* Decrement the column position by 16 */
    refcolumn += LCD_Currentfonts->Width;
    if(refcolumn + LCD_Currentfonts->Width > LCD_PIXEL_WIDTH)
        break;
    /* Point on the next character */
    ptr++;
  }
}

void LCD_DisplayWelcomeStr(uint8_t Line)
{
  uint16_t num = 0;

  /* Send the string character by character on LCD */
  for(num=0; num<13; num++)
  {
    /* Display one China character on LCD */
    LCD_DrawChinaChar(Line, num*24+4, (uint8_t *)WelcomeStr[num]);              //欢迎您使用神舟系列开发板
  }
}


/**
  * @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)
{ 
#if 0 
  /* 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);
#endif
}


/**
  * @brief  Disables LCD Window mode.
  * @param  None
  * @retval None
  */
void LCD_WindowModeDisable(void)
{
#if 0
  LCD_SetDisplayWindow(239, 0x13F, 240, 320);
  LCD_WriteReg(LCD_REG_3, 0x1018);    
#endif
}


/**
  * @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_WriteRAMWord(TextColor);
      Xpos++;
      LCD_SetCursor(Xpos, Ypos);
    }
  }
  SetCs
}

/**
  * @brief  Displays a Point.
  * @param  Color: specifies the Color.
  * @retval None
  */
void LCD_SetPoint(uint8_t Xpos, uint16_t Ypos, uint16_t Color)
{ 
  LCD_SetCursor(Xpos, Ypos);
  LCD_WriteRAM_Prepare(); /* Prepare to write GRAM */
  LCD_WriteRAM(Color);
  SetCs
}


/**
  * @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)
{
  s32  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_WriteRAMWord(TextColor);
    LCD_SetCursor(Xpos + CurX, Ypos - CurY);
    LCD_WriteRAMWord(TextColor);
    LCD_SetCursor(Xpos - CurX, Ypos + CurY);
    LCD_WriteRAMWord(TextColor);
    LCD_SetCursor(Xpos - CurX, Ypos - CurY);
    LCD_WriteRAMWord(TextColor);
    LCD_SetCursor(Xpos + CurY, Ypos + CurX);
    LCD_WriteRAMWord(TextColor);
    LCD_SetCursor(Xpos + CurY, Ypos - CurX);
    LCD_WriteRAMWord(TextColor);
    LCD_SetCursor(Xpos - CurY, Ypos + CurX);
    LCD_WriteRAMWord(TextColor);
    LCD_SetCursor(Xpos - CurY, Ypos - CurX);
    LCD_WriteRAMWord(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);
      }
    }
  }
 SetCs;
}

#ifdef USE_LCD_DrawBMP
/**
  * @brief  Displays a bitmap picture loaded in the SPI Flash.
  * @param  BmpAddress: Bmp picture address in the SPI Flash.
  * @retval None
  */
//void LCD_DrawBMP(uint32_t BmpAddress)
//{
//  uint32_t i = 0, size = 0;
//
//  /* Read bitmap size */
//  SPI_FLASH_BufferRead((uint8_t*)&size, BmpAddress + 2, 4);
//
//  /* get bitmap data address offset */
//  SPI_FLASH_BufferRead((uint8_t*)&i, BmpAddress + 10, 4);
//  
//  size = (size - i)/2;
//
//  SPI_FLASH_StartReadSequence(BmpAddress + i);
//
//  /* Disable SPI1  */
//  SPI_Cmd(SPI1, DISABLE);
//  /* SPI in 16-bit mode */
//  SPI_DataSizeConfig(SPI1, SPI_DataSize_16b);
//
//  /* Enable SPI1  */
//  SPI_Cmd(SPI1, ENABLE);
//  
//  /* 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(); /* Prepare to write GRAM */
//
//  /* Read bitmap data from SPI Flash and send them to LCD */
//  for(i = 0; i < size; i++)
//  {
//    LCD_WriteRAM(__REV_HalfWord(SPI_FLASH_SendHalfWord(0xA5A5)));
//  }
//
//  LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
//
//  /* Deselect the FLASH: Chip Select high */
//  SPI_FLASH_CS_HIGH();
//
//  /* Disable SPI1  */
//  SPI_Cmd(SPI1, DISABLE);
//  /* SPI in 8-bit mode */
//  SPI_DataSizeConfig(SPI1, SPI_DataSize_8b);
//
//  /* Enable SPI1  */
//  SPI_Cmd(SPI1, ENABLE);
//
//  /* 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 bitmap picture loaded in the SPI Flash.
  * @param  BmpAddress: Bmp picture address in the SPI Flash.
  * @retval None
  */
void LCD_DrawBMP(const uint16_t *BmpAddress)
{
  uint32_t i = 0, size = 0;
  /* Read bitmap size */
  size = BmpAddress[1] | (BmpAddress[2] << 16);
  /* get bitmap data address offset */
  i = BmpAddress[5] | (BmpAddress[6] << 16);
  size = (size - i)/2;
  BmpAddress += i/2;
  /* 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(); /* Prepare to write GRAM */
  /* Read bitmap data from SPI Flash and send them to LCD */
  for(i = 0; i < size; i++)
  {
    LCD_WriteRAM(BmpAddress[i]);
  }
  LCD_CtrlLinesWrite(LCD_NCS_GPIO_PORT, LCD_NCS_PIN, Bit_SET);
  /* 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);
}
#endif

/**
  * @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 */