/// <summary>
/// Sets the time. Only used on Cerb based boards.
/// </summary>
/// <param name="hours">Hours</param>
/// <param name="minutes">Minutes</param>
/// <param name="seconds">Seconds</param>
/// <returns></returns>
public static int RTC_SetTime(byte hours, byte minutes, byte seconds)
{
SafeToProceed(DeviceID.FEZ_CERB);
UInt32 tmpreg;
RTC_H12 = 0;
RTC_Hours = hours;
RTC_Minutes = minutes;
RTC_Seconds = seconds;
tmpreg = (UInt32)(((UInt32)RTC_ByteToBcd2(RTC_Hours) << 16) |
((UInt32)RTC_ByteToBcd2(RTC_Minutes) << 8) |
((UInt32)RTC_ByteToBcd2(RTC_Seconds)) |
(((UInt32)RTC_H12) << 22));
RTC_WPR.Write(0xCA);
RTC_WPR.Write(0x53);
int status = ERROR;
if (RTC_EnterInitMode() == ERROR)
{
status = ERROR;
}
else
{
/* Set the RTC_TR register */
Register RTC_TR = new Register(RTC_BASE + 0x00);
RTC_TR.Write(tmpreg & RTC_TR_RESERVED_MASK);
/* Exit Initialization mode */
RTC_ExitInitMode();
if (RTC_WaitForSynchro() == ERROR)
{
status = ERROR;
}
else
{
status = SUCCESS;
}
}
/* Enable the write protection for RTC registers */
RTC_WPR.Write(0xFF);
return status;
}
/// <summary>
/// Gets the date. Only used on Cerb based boards.
/// </summary>
public static void RTC_GetDate()
{
SafeToProceed(DeviceID.FEZ_CERB);
Register RTC_DR = new Register(RTC_BASE + 0x04);
UInt32 tmpreg = (UInt32)(RTC_DR.Read() & RTC_DR_RESERVED_MASK);
/* Fill the structure fields with the read parameters */
RTC_Year = (byte)((tmpreg & (RTC_DR_YT | RTC_DR_YU)) >> 16);
RTC_Month = (byte)((tmpreg & (RTC_DR_MT | RTC_DR_MU)) >> 8);
RTC_Date = (byte)(tmpreg & (RTC_DR_DT | RTC_DR_DU));
RTC_WeekDay = (byte)((tmpreg & (RTC_DR_WDU)) >> 13);
/* Convert the structure parameters to Binary format */
RTC_Year = (byte)RTC_Bcd2ToByte(RTC_Year);
RTC_Month = (byte)RTC_Bcd2ToByte(RTC_Month);
RTC_Date = (byte)RTC_Bcd2ToByte(RTC_Date);
//RTC_WeekDay = (byte)(RTC_DateStruct->RTC_WeekDay);
}
/// <summary>
/// Sets the time. Only used on Cerb based boards.
/// </summary>
/// <param name="year">Year</param>
/// <param name="month">Month</param>
/// <param name="dayofweek">Day of Week</param>
/// <param name="date">Date</param>
/// <returns></returns>
public static int RTC_SetDate(int year, byte month, byte dayofweek, byte date)
{
SafeToProceed(DeviceID.FEZ_CERB);
int status = ERROR;
UInt32 tmp = 0x10;
UInt32 tmpreg = 0x00;
RTC_Year = (byte)(year - 1980);
RTC_Month = month;
RTC_WeekDay = dayofweek;
RTC_Date = date;
if ((RTC_Month & 0x10) == 0x10)
{
RTC_Month = (byte)((RTC_Month & (UInt32)~(tmp)) + 0x0A);
}
tmpreg = (((UInt32)RTC_ByteToBcd2(RTC_Year) << 16) |
((UInt32)RTC_ByteToBcd2(RTC_Month) << 8) |
((UInt32)RTC_ByteToBcd2(RTC_Date)) |
((UInt32)RTC_WeekDay << 13));
RTC_WPR.Write(0xCA);
RTC_WPR.Write(0x53);
if (RTC_EnterInitMode() == ERROR)
{
status = ERROR;
}
else
{
/* Set the RTC_DR register */
Register RTC_DR = new Register(RTC_BASE + 0x04);
RTC_DR.Write(tmpreg & RTC_DR_RESERVED_MASK);
/* Exit Initialization mode */
RTC_ExitInitMode();
if (RTC_WaitForSynchro() == ERROR)
{
status = ERROR;
}
else
{
status = SUCCESS;
}
}
/* Enable the write protection for RTC registers */
RTC_WPR.Write(0xFF);
return status;
}
/// <summary>
/// Gets the time. Only used on Cerb based boards.
/// </summary>
public static void RTC_GetTime()
{
SafeToProceed(DeviceID.FEZ_CERB);
Register RTC_TR = new Register(RTC_BASE + 0x00);
UInt32 tmpreg;
tmpreg = (UInt32)(RTC_TR.Read() & RTC_TR_RESERVED_MASK);
RTC_Hours = (byte)((tmpreg & (RTC_TR_HT | RTC_TR_HU)) >> 16);
RTC_Minutes = (byte)((tmpreg & (RTC_TR_MNT | RTC_TR_MNU)) >> 8);
RTC_Seconds = (byte)(tmpreg & (RTC_TR_ST | RTC_TR_SU));
RTC_H12 = (byte)((tmpreg & (RTC_TR_PM)) >> 22);
/* Convert the structure parameters to Binary format */
RTC_Hours = (byte)RTC_Bcd2ToByte(RTC_Hours);
RTC_Minutes = (byte)RTC_Bcd2ToByte(RTC_Minutes);
RTC_Seconds = (byte)RTC_Bcd2ToByte(RTC_Seconds);
}
