calendar.c

来自「万利ARM9的STR912开发板配套资料和源代码」· C语言 代码 · 共 711 行 · 第 1/2 页

  LCD_DisplayChar(Line2, 35, MonthNames[(((Date.month) -1) * 3)], BlackText);
  LCD_DisplayChar(Line2, 42, MonthNames[((((Date.month) -1) * 3) + 1)], BlackText);
  LCD_DisplayChar(Line2, 49, MonthNames[((((Date.month) -1) * 3) + 2)], BlackText);

  /* Read date days */
  if(Date.month == 2)
  {
    Tmp_Day = ReadDigit(63, Date.day/16, 0x2, 0x0);
  }
  else
  {
    Tmp_Day = ReadDigit(63, Date.day/16, 0x3, 0x0);
  }
  if(Tmp_Day == 3)
  {
    tmp = Date.day % 16;

    if(tmp >= 1)
    {
      tmp = 0;
    }

    if(Date.month == 1 || Date.month == 3 || Date.month == 5 || Date.month == 7 ||
       Date.month == 8 || Date.month == 10 || Date.month == 12)
    {

      Tmp_Day = Tmp_Day*10 + ReadDigit(70, tmp, 0x1, 0x0);
    }
    else
    {
      Tmp_Day = Tmp_Day*10 + ReadDigit(70, tmp, 0x0, 0x0);
    }
  }
  else
  {
    if(Tmp_Day == 0)
    {
      Tmp_Day = Tmp_Day*10 + ReadDigit(70, Date.day%16, 0x9, 0x1);
    }
    else
    {
      Tmp_Day = Tmp_Day*10 + ReadDigit(70, Date.day%16, 0x9, 0x0);
    }
  }
  Date.weekday = DayOfWeek((((Date.century/10)*1000) +  ((Date.century%10)*100)+ Date.year), Date.month, Tmp_Day);
  LCD_DisplayString(Line2, WeekDayNames[Date.weekday], BlackText);
  /* Read date years */
  Tmp_Century = 10 * ReadDigit(84, Date.century/16, 0x9, 0x0);

  Tmp_Century = Tmp_Century + (ReadDigit(91, (Date.century%16), 0x9, 0x0));

  Tmp_Year = Tmp_Year + (ReadDigit(98,((Date.year/16)), 0x9, 0x0));

  Tmp_Year = Tmp_Year + ReadDigit(105,((Date.year%16)), 0x9, 0x0);
  if((Tmp_Year  == 0)&& (Tmp_Century == 0))
  {
    /* Set year to 2006 */
    Tmp_Year = 0x6;
    Tmp_Century = 20;
  }
  if (Date.month == 2 && Tmp_Day == 29 && (Tmp_Year % 4)!= 0)
  {
    Tmp_Day = 28;
  }
  Date.weekday = DayOfWeek((((Date.century/10)*1000) +  ((Date.century%10)*100)+ Date.year), Date.month, Tmp_Day);
  LCD_DisplayString(Line2, WeekDayNames[Date.weekday], BlackText);

  /* Return the date value to store in date structure */
  Date.century = Tmp_Century;
  Date.year = Tmp_Year;
  Date.day = Tmp_Day;
  RTC_SetDate(Date);
}

/*******************************************************************************
* Function Name  : Date_Adjust
* Description    : Adjusts the current date (DayName Month Day Year).
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void Date_Adjust(void)
{
  /* Clear Line2 */
  LCD_ClearLine(Line2);

  /* Disable the EXTIT3 interrupt */
  VIC_ITCmd(EXTIT3_ITLine, DISABLE);
  /* Display the current date */
  Date_Display();

  /* Change the current date */
  Date_Regulate();

  /* Enable the EXTIT3 interrupt */
  VIC_ITCmd(EXTIT3_ITLine, ENABLE);
  /* Execute UpDownFunc function to display upper menu */
  UpDownFunc();
}

/*******************************************************************************
* Function Name  : Date_Display
* Description    : Displays the current date.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void Date_Display(void)
{
  RTC_GetDate(BCD, &Date);
  LCD_DisplayString(Line2, WeekDayNames[Date.weekday], BlackText);
  LCD_DisplayChar(Line2, 35, MonthNames[(((Date.month) -1) * 3)], BlackText);
  LCD_DisplayChar(Line2, 42, MonthNames[((((Date.month) -1) * 3) + 1)], BlackText);
  LCD_DisplayChar(Line2, 49, MonthNames[((((Date.month) -1) * 3) + 2)], BlackText);
  LCD_DisplayChar(Line2, 63, ((Date.day/16) + 0x30), BlackText);
  LCD_DisplayChar(Line2, 70, ((Date.day%16) + 0x30), BlackText);
  LCD_DisplayChar(Line2, 84, ((Date.century/16) + 0x30), BlackText);
  LCD_DisplayChar(Line2, 91, (((Date.century)%16) + 0x30), BlackText);
  LCD_DisplayChar(Line2, 98, (((Date.year)/16) + 0x30), BlackText);
  LCD_DisplayChar(Line2, 105, (((Date.year)%16) + 0x30), BlackText);
}

/*******************************************************************************
* Function Name  : Date_Show
* Description    : Shows date (DayName Month Day Year) on LCD.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void Date_Show (void)
{
  /* Clear Line2 */
  LCD_ClearLine(Line2);

  /* Disable the EXTIT3 interrupt */
  VIC_ITCmd(EXTIT3_ITLine, DISABLE);
  /* Wait a press on "UP" or "DOWN" pushbuttons */
  while((JoyState() & UP) != UP)
  {
    Date_Display();
  }

  /* Enable the EXTIT3 interrupt */
  VIC_ITCmd(EXTIT3_ITLine, ENABLE);
}

/*******************************************************************************
* Function Name  : DayOfWeek
* Description    : Return the number of the day in the week.
* Input          : None
* Output         : None
* Return         : The number of the day
*******************************************************************************/
u16 DayOfWeek(u16 nYear, u16 nMonth, u16 nDay)
{
  u16 nDayOfWeek = 0;
  u16 pnDaysBeforeMonth[14] = {0, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365};
	 	
  /* The day of Jan 1, nYear */
  nDayOfWeek = 6 + nYear % 7 + CountOfFeb29(nYear) % 7 + 14; /* + 14 : makes nDayOfWeek >= 0 */
	
  /* The day of nMonth 1, nYear */
  nDayOfWeek += pnDaysBeforeMonth[nMonth];
  if( nMonth > 2 && IsLeapYear(nYear))	
  {
    nDayOfWeek++;
  }

  /* The day of nMonth nDay, nYear */
  nDayOfWeek += nDay - 1;
  nDayOfWeek %= 7;
  /* Return the number of the day in the week */	
  return nDayOfWeek;
}

/*******************************************************************************
* Function Name  : CountOfFeb29
* Description    : Return february days number.
* Input          : None
* Output         : None
* Return         : February days number.
*******************************************************************************/
u16 CountOfFeb29(u16 nYear)
{
  u16 nCount = 0;

  if(nYear > 0)
  {
    nCount = 1;	/* Year 0 is a leap year */
    nYear--;    /* Year nYear is not in the period */
  }
  nCount += nYear / 4 - nYear / 100 + nYear / 400;
  return nCount;
}

/*******************************************************************************
* Function Name  : IsLeapYear
* Description    : Check whether the passed year is Leap or not.
* Input          : None
* Output         : None
* Return         : TRUE: leap year
*                  FALSE: not leap year
*******************************************************************************/
bool IsLeapYear(u16 nYear)
{
  if(nYear % 4 != 0) return FALSE;
  if(nYear % 100 != 0) return TRUE;
  return (bool)(nYear % 400 == 0);
}

/*******************************************************************************
* Function Name  : Alarm_Regulate
* Description    : Sets the alarm time entered by user, using demoboard keys.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void Alarm_Regulate(void)
{
  u8 Alarm_DAY = 0, Alarm_HH = 0, Alarm_MM = 0, Alarm_SS = 0;

  /* Read Alarm Day */
  Alarm_DAY = ReadDigit(24, alarm_h, 0x3, 0x0);
  if(Alarm_DAY == 3)
  {
    if(alarm_l > 1)
    {
      alarm_l = 0;
    }
    Alarm_DAY = Alarm_DAY*10 + ReadDigit(32, alarm_l, 0x1, 0x0);
  }
  else
  {
    Alarm_DAY = Alarm_DAY*10 + ReadDigit(32, alarm_l, 0x9, 0x0);
  }

  /* Read time hours */
  Alarm_HH = ReadDigit(48, hour_h, 0x2, 0x0);
  if(Alarm_HH == 2)
  {
    if(hour_l > 3)
    {
      hour_l = 0;
    }
    Alarm_HH = Alarm_HH*10 + ReadDigit(56, hour_l, 0x3, 0x0);
  }
  else
  {
    Alarm_HH = Alarm_HH*10 + ReadDigit(56, hour_l, 0x9, 0x0);
  }
  /* Read time  minutes */
  Alarm_MM = ReadDigit(72, min_h, 0x5, 0x0);
  Alarm_MM = Alarm_MM*10 + ReadDigit(80, min_l, 0x9, 0x0);
  /* Read time seconds */
  Alarm_SS = ReadDigit(96, sec_h, 0x5, 0x0);
  Alarm_SS = Alarm_SS*10 + ReadDigit(104, sec_l, 0x9, 0x0);

  Alarm.hours = Alarm_HH;
  Alarm.minutes = Alarm_MM;
  Alarm.seconds = Alarm_SS;
  Alarm.day = Alarm_DAY;
  RTC_SetAlarm(Alarm);
}

/*******************************************************************************
* Function Name  : Alarm_Adjust
* Description    : Adjusts the alarm time entered by user, using demoboard keys.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void Alarm_Adjust(void)
{
  /* Clear LCD Line2 */
  LCD_ClearLine(Line2);
  LCD_DisplayChar(Line2, 40, '/', BlackText);
  /* Display alarm separators ":" on Line2 */
  LCD_DisplayChar(Line2, 64, ':', BlackText);
  LCD_DisplayChar(Line2, 88, ':', BlackText);
  VIC_ITCmd(EXTIT3_ITLine, DISABLE);

  /* Display the alarm value */
  Alarm_Display();
  /* Store new alarm value */
  Alarm_Regulate();

  VIC_ITCmd(EXTIT3_ITLine, ENABLE);
  /* Execute UpDownFunc function to display upper menu */
  UpDownFunc();
}

/*******************************************************************************
* Function Name  : Alarm_Display
* Description    : Displays alarm time.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void Alarm_Display(void)
{
  RTC_GetAlarm(BCD, &Alarm);

  /* Display time hours */
  alarm_h = (u8)(Alarm.day/16);
  LCD_DisplayChar(Line2, 24,(alarm_h + 0x30) , BlackText);
  alarm_l = (u8)((Alarm.day)%16);
  LCD_DisplayChar(Line2, 32,(alarm_l + 0x30) , BlackText);

  /* Display time hours */
  hour_h=(u8)(Alarm.hours/16);
  LCD_DisplayChar(Line2, 48,(hour_h + 0x30) , BlackText);
  hour_l=(u8)((Alarm.hours)%16);
  LCD_DisplayChar(Line2, 56,(hour_l + 0x30) , BlackText);

  /* Display time minutes */
  min_h=(u8)(Alarm.minutes/16);
  LCD_DisplayChar(Line2, 72,(min_h + 0x30) , BlackText);
  min_l=(u8)((Alarm.minutes)%16);
  LCD_DisplayChar(Line2, 80,(min_l + 0x30) , BlackText);

  /* Display time seconds */
  sec_h=(u8)((Alarm.seconds)/16);
  LCD_DisplayChar(Line2, 96,(sec_h + 0x30) , BlackText);
  sec_l=(u8)((Alarm.seconds)%16);
  LCD_DisplayChar(Line2, 104,(sec_l + 0x30) , BlackText);
}

/*******************************************************************************
* Function Name  : Alarm_Show
* Description    : Shows alarm time (DAY/HH:MM:SS) on LCD.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void Alarm_Show(void)
{

  /* Disable the EXTIT3 interrupt */
  VIC_ITCmd(EXTIT3_ITLine, DISABLE);
  /* Wait a press on "UP" or "DOWN" pushbuttons */
  while((ReadKey() & UP) != UP)
  {
    LCD_DisplayChar(Line2, 40, '/', BlackText);
    /* Display alarm separators ":" on Line2 */
    LCD_DisplayChar(Line2, 64, ':', BlackText);
    LCD_DisplayChar(Line2, 88, ':', BlackText);
    /* Display actual alarm value */
    Alarm_Display();
  }
  /* Enable the EXTIT3 interrupt */
  VIC_ITCmd(EXTIT3_ITLine, ENABLE);
}

/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/