mc_stm8s_lcd.c

STM8S105 BLDC源代码

    switch (Char)
    {
      case ('\r'):
        /* Carriage return */
        CharPos++;
        ptr++;
      break;
      case ('\n'):
        CharPos = 0;
        ptr++;
        /* Set cursor to line 2 */
        LCD_SendByte(COMMAND_TYPE, LCD_LINE2);
      break;
      default:
        /* Display characters different from (\r, \n) */
        LCD_SendByte(DATA_TYPE, Char);
        CharPos++;
        ptr++;
      break;
    }
  }

}

/**
  * @brief Display the Number in decimal format at the current cursor position
  * @param[in] Number Number to be displayed
  * @note Convert only numbers between 0 and 9 (max 1 digit)
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * - The cursor position must be set before calling this function
  * @par Functions called:
  * - LCD_PrintChar
  * @par Example:
  * @code
  * LCD_PrintDec2(6);
  * @endcode
  */
void LCD_PrintDec1(u8 Number)
{

  u8 NbreTmp;

  if (Number < (u8)10)
  {
   
    /* Display second digit of the number : 10 */
    NbreTmp = (u8)(Number / (u8)10);
   
    /* Display last digit of the number : Units */
    NbreTmp = (u8)(Number - (u8)((u8)10 * NbreTmp));
    LCD_PrintChar((u8)(NbreTmp + (u8)0x30));
   
  }

}

/**
  * @brief Display the Number in decimal format at the current cursor position
  * @param[in] Number Number to be displayed
  * @note Convert only numbers between 0 and 99 (max 2 digits)
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * - The cursor position must be set before calling this function
  * @par Functions called:
  * - LCD_PrintChar
  * @par Example:
  * @code
  * LCD_PrintDec2(60);
  * @endcode
  */
void LCD_PrintDec2(u8 Number)
{

  u8 NbreTmp;

  if (Number < (u8)100)
  {
   
    /* Display second digit of the number : 10 */
    NbreTmp = (u8)(Number / (u8)10);
    LCD_PrintChar((u8)(NbreTmp + (u8)0x30));
   
    /* Display last digit of the number : Units */
    NbreTmp = (u8)(Number - (u8)((u8)10 * NbreTmp));
    LCD_PrintChar((u8)(NbreTmp + (u8)0x30));
   
  }

}

/**
  * @brief Display the Number in decimal format at the current cursor position
  * @param[in] Number Number to be displayed
  * @note Convert only numbers between 0 and 999 (max 3 digits)
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * - The cursor position must be set before calling this function
  * @par Functions called:
  * - LCD_PrintChar
  * @par Example:
  * @code
  * LCD_PrintDec3(879);
  * @endcode
  */
void LCD_PrintDec3(u16 Number)
{

  u8 Nbre1Tmp;
  u8 Nbre2Tmp;

  if (Number < (u16)1000)
  {
   
    /* Display first digit of the number : 100 */
    Nbre1Tmp = (u8)(Number / (u8)100);
    LCD_PrintChar((u8)(Nbre1Tmp + (u8)0x30));
   
    /* Display second digit of the number : 10 */
    Nbre1Tmp = (u8)(Number - ((u8)100 * Nbre1Tmp));
    Nbre2Tmp = (u8)(Nbre1Tmp / (u8)10);
    LCD_PrintChar((u8)(Nbre2Tmp + (u8)0x30));
   
    /* Display last digit of the number : Units */
    Nbre1Tmp = ((u8)(Nbre1Tmp - (u8)((u8)10 * Nbre2Tmp)));
    LCD_PrintChar((u8)(Nbre1Tmp + (u8)0x30));
  }
  
}

/**
  * @brief Display the Number in decimal format at the current cursor position
  * @param[in] Number Number to be displayed
  * @note Convert only numbers between 0 and 9999 (max 4 digits)
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * - The cursor position must be set before calling this function
  * @par Functions called:
  * - LCD_PrintChar
  * @par Example:
  * @code
  * LCD_PrintDec4(1600);
  * @endcode
  */
void LCD_PrintDec4(u16 Number)
{

  u16 Nbre1Tmp;
  u16 Nbre2Tmp;

  if (Number < (u16)10000)
  {
   
    /* Display first digit of the number : 1000 */
    Nbre1Tmp = (u16)(Number / (u16)1000);
    LCD_PrintChar((u8)(Nbre1Tmp + (u8)0x30));
   
    /* Display second digit of the number : 100 */
    Nbre1Tmp = (u16)(Number - ((u16)1000 * Nbre1Tmp));
    Nbre2Tmp = (u16)(Nbre1Tmp / (u8)100);
    LCD_PrintChar((u8)(Nbre2Tmp + (u8)0x30));
   
    /* Display second digit of the number : 10 */
    Nbre1Tmp = (u16)(Nbre1Tmp - ((u16)100 * Nbre2Tmp));
    Nbre2Tmp = (u16)(Nbre1Tmp / (u16)10);
    LCD_PrintChar((u8)(Nbre2Tmp + (u8)0x30));
   
    /* Display last digit of the number : Units */
    Nbre1Tmp = ((u16)(Nbre1Tmp - (u16)((u16)10 * Nbre2Tmp)));
    LCD_PrintChar((u8)(Nbre1Tmp + (u8)0x30));
  }

}

/**
  * @brief Display the Number in Hexadecimal format at the current cursor position
  * @param[in] Number Number to be displayed
  * @note Convert only numbers between 0 and 15 (only 1 digit)
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * - The cursor position must be set before calling this function
  * @par Functions called:
  * - LCD_PrintChar
  * @par Example:
  * @code
  * LCD_PrintHex1(10);
  * @endcode
  */
void LCD_PrintHex1(u8 Number)
{
  if (Number < (u8)0x0A)
  {
    LCD_PrintChar((u8)(Number + (u8)0x30));
  }
  else
    if (Number < (u8)0x10)
    {
      LCD_PrintChar((u8)(Number + (u8)0x37));
    }
    else
    {
      LCD_PrintChar('-');
    }
}

/**
  * @brief Display the Number in Hexadecimal format at the current cursor position
  * @param[in] Number Number to be displayed
  * @note Convert only numbers between 0 and 255 (max 2 digits)
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * - The cursor position must be set before calling this function
  * @par Functions called:
  * - LCD_PrintChar
  * @par Example:
  * @code
  * LCD_PrintHex2(200);
  * @endcode
  */
void LCD_PrintHex2(u8 Number)
{
  LCD_PrintHex1((u8)(Number >> (u8)4));
  LCD_PrintHex1((u8)(Number & (u8)0x0F));
}

/**
  * @brief Display the Number in Hexadecimal format at the current cursor position
  * @param[in] Number Number to be displayed
  * @note Convert only numbers between 0 and 4095 (max 3 digits)
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * - The cursor position must be set before calling this function
  * @par Functions called:
  * - LCD_PrintChar
  * @par Example:
  * @code
  * LCD_PrintHex3(1C4);
  * @endcode
  */
void LCD_PrintHex3(u16 Number)
{
  LCD_PrintHex1((u8)(Number >> (u8)8)); 
  LCD_PrintHex1((u8)((u8)(Number) >> (u8)4));
  LCD_PrintHex1((u8)((u8)(Number) & (u8)0x0F));
}

/**
  * @brief Display the Number in binary format at the current cursor position
  * @param[in] Number Number to be displayed
  * @note Convert only numbers between 0 and 3 (max 2 digits)
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * - The cursor position must be set before calling this function
  * @par Functions called:
  * - LCD_PrintChar
  * @par Example:
  * @code
  * LCD_PrintBin2(2);
  * @endcode
  */
void LCD_PrintBin2(u8 Number)
{
  LCD_PrintHex1((u8)((u8)(Number & (u8)0x02) >> (u8)1));
  LCD_PrintHex1((u8)(Number & (u8)0x01));
}

/**
  * @brief Display the Number in binary format at the current cursor position
  * @param[in] Number Number to be displayed
  * @note Convert only numbers between 0 and 15 (max 4 digits)
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * - The cursor position must be set before calling this function
  * @par Functions called:
  * - LCD_PrintChar
  * @par Example:
  * @code
  * LCD_PrintBin4(15);
  * @endcode
  */
void LCD_PrintBin4(u8 Number)
{
  LCD_PrintHex1((u8)((u8)(Number & (u8)0x08) >> (u8)3));
  LCD_PrintHex1((u8)((u8)(Number & (u8)0x04) >> (u8)2));
  LCD_PrintHex1((u8)((u8)(Number & (u8)0x02) >> (u8)1));
  LCD_PrintHex1((u8)(Number & (u8)0x01));
}

/**
  * @brief Display CGRAM on even address
  * @param[in] address Display address
  * @param[in] ptrTable Pointer a the CGRAM table to be displayed
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * @par Functions called:
  * - LCD_SendByte
  * @par Example:
  * @code
  * LCD_DisplayCGRAM0(0x80);
  * @endcode
  */
void LCD_DisplayCGRAM0(u8 address, u8 *ptrTable)
{

  u8 u;

  /* Set CGRAM Address */
  LCD_SendByte(COMMAND_TYPE, (u8)0x40);

  u = 32; /* Nb byte in the table */
  while (u)
  {
    LCD_SendByte(DATA_TYPE, ptrTable[32 - u]);
    u--;
  }

  /* Setup Display Address */
  LCD_SendByte(COMMAND_TYPE, address);
  LCD_SendByte(DATA_TYPE, (u8)0x00);
  LCD_SendByte(DATA_TYPE, (u8)0x00);

}

/**
  * @brief Display CGRAM on odd address
  * @param[in] address Display address
  * @param[in] ptrTable Pointer a the CGRAM table to be displayed
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * @par Functions called:
  * - LCD_SendByte
  * @par Example:
  * @code
  * LCD_DisplayCGRAM1(0x80);
  * @endcode
  */
void LCD_DisplayCGRAM1(u8 address, u8 *ptrTable)
{

  u8 u;

 /* Set CGRAM Address */
  LCD_SendByte(COMMAND_TYPE, (u8)((u8)0x40 | (u8)0x10));

  u = 32; /* Nb byte in the table */
  while (u)
  {
    LCD_SendByte(DATA_TYPE, ptrTable[32 - u]);
    u--;
  }

  /* Setup Display Address */
  LCD_SendByte(COMMAND_TYPE, (u8)(address + 1));
  LCD_SendByte(DATA_TYPE, (u8)0x00);
  LCD_SendByte(DATA_TYPE, (u8)0x02);

}

/**
  * @brief Display ST logo
  * @param[in] address Display address (LINE1:0x80-0x87 and LINE2:0x90-0x97)
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * @par Functions called:
  * - LCD_SendByte
  * @par Example:
  * @code
  * LCD_DisplayLogo(0x80);
  * @endcode
  */
void LCD_DisplayLogo(u8 address)
{
  LCD_DisplayCGRAM0(address, S_CGRAM);
  LCD_DisplayCGRAM1(address, T_CGRAM);
}

/**
  * @brief Display a string in rolling mode
  * @param[in] Line Line used for displaying the text (LCD_LINE1 or LCD_LINE2)
  * @param[in] ptr Pointer to the text to display
  * @param[in] speed Rolling speed
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * @par Functions called:
  * - LCD_SendByte
  * - LCD_ClearLine
  * - LCD_Delay
  * @par Example:
  * @code
  * u8 *pText;
  * pText = "Welcome into the fabulous world of STM8...";
  * LCD_RollString(LCD_LINE2, pText, 0xC000);
  * @endcode
  */
void LCD_RollString(u8 Line, u8 *ptr, u16 speed)
{

  u8 CharPos = 0;
  u8 *ptr2;
  
  /* Set cursor position at beginning of line */
  LCD_SendByte(COMMAND_TYPE, Line);
  
  ptr2 = ptr;
  
  /* Display each character of the string */
  while (*ptr2 != 0)
  {
   
    if (*ptr != 0)
    {
      LCD_SendByte(DATA_TYPE, *ptr);
      ptr++;
    }
    else
    {
      LCD_SendByte(DATA_TYPE, ' ');
    }
    
    CharPos++;
   
    if (CharPos == LCD_LINE_MAX_CHAR)
    {
      LCD_Delay(speed);
      LCD_ClearLine(Line);
      LCD_SendByte(COMMAND_TYPE, Line);
      CharPos = 0;
      ptr2++;
      ptr = ptr2;
    }
    
  }

}
/**
  * @brief Display a string from current position of the LCD cursor
  * @param[in] ptr Pointer to the string to display
  * @retval void None
  * @par Required preconditions:
  * - LCD must be enabled
  * @par Functions called:
  * - LCD_SendByte
  * @par Example:
  * @code
  * LCD_Print("Hello");
  * @endcode
  */
void LCD_Print(u8 *ptr) {
  while (*ptr) 					// Display the string */
  LCD_SendByte(DATA_TYPE, *ptr++);
}
/**
  * @}
  */

/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/