/// <summary>
/// This method reads a 3 byte BCD date from an SCS device.
/// </summary>
/// <exception cref="SCSException">
/// Thrown when the value cannot be retreived from the meter.
/// </exception>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/07/06 mah 8.00.00 N/A Created
/// </remarks>
virtual internal void ReadBCDDate(int nBasepageAddress, out int nYear, out int nMonth, out int nDay)
{
byte[] byBCDValue;
// Upload the date string
SCSProtocolResponse ProtocolResponse = m_SCSProtocol.Upload(nBasepageAddress, 3, out byBCDValue);
if (SCSProtocolResponse.SCS_ACK == ProtocolResponse)
{
nYear = (int)BCD.BCDtoByte(byBCDValue[0]);
nMonth = (int)BCD.BCDtoByte(byBCDValue[1]);
nDay = (int)BCD.BCDtoByte(byBCDValue[2]);
}
else
{
nYear = 0;
nMonth = 0;
nDay = 0;
SCSException scsException = new SCSException(
SCSCommands.SCS_U, ProtocolResponse, nBasepageAddress, "Display date");
throw scsException;
}
}
/// <summary>
/// This method reads a 3 byte BCD time from an SCS device.
/// </summary>
/// <exception cref="SCSException">
/// Thrown when the value cannot be retreived from the meter.
/// </exception>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/07/06 mah 8.00.00 N/A Created
/// </remarks>
virtual internal void ReadBCDTime(int nBasepageAddress, out int nHour, out int nMinute, out int nSecond)
{
byte[] byBCDValue;
// Upload the date string
SCSProtocolResponse ProtocolResponse = m_SCSProtocol.Upload(nBasepageAddress, 3, out byBCDValue);
if (SCSProtocolResponse.SCS_ACK == ProtocolResponse)
{
nHour = (int)BCD.BCDtoByte(byBCDValue[0]);
nMinute = (int)BCD.BCDtoByte(byBCDValue[1]);
nSecond = (int)BCD.BCDtoByte(byBCDValue[2]);
}
else
{
nHour = 0;
nMinute = 0;
nSecond = 0;
SCSException scsException = new SCSException(
SCSCommands.SCS_U, ProtocolResponse, nBasepageAddress, "Display time");
throw scsException;
}
}
/// <summary>
/// Constructs an SCS display item from the bit mapped, 4 byte SCS display item
/// record.
/// </summary>
/// <param name="byDisplayTable"></param>
/// <param name="nTableOffset"></param>
/// <param name="boolTestMode"></param>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/15/06 mah 8.00.00 N/A Created
/// </remarks>
public SCSDisplayItem(ref byte[] byDisplayTable, int nTableOffset, bool boolTestMode)
: base()
{
// If the first byte contains an FF then this is an end of file marker
m_boolEndOfFile = (byDisplayTable[nTableOffset] == END_OF_TABLE);
if (!m_boolEndOfFile)
{
// make a copy of the unprocessed display item data for later interpretation if needed
m_abyItemData = new byte[DISPLAYITEM_LENGTH];
Array.Copy(byDisplayTable, nTableOffset, m_abyItemData, 0, DISPLAYITEM_LENGTH);
// Decode the register type and class in order to determine what meaning of the
// display table
m_byRegisterType = (byte)((byDisplayTable[nTableOffset] & 0x70) >> 4);
m_byRegisterClass = (SCSDisplayClass)(byDisplayTable[nTableOffset] & 0x0F);
// Extract the ID code from the second byte of the display table
m_byDisplayID = BCD.BCDtoByte(byDisplayTable[nTableOffset + ID_OFFSET]);
// Note that an ID code of zero indicates that no ID was programmed. Therefore
// return an empty string rather than display a 0
if (m_byDisplayID == 0)
{
m_strDisplayID = "";
}
else
{
m_strDisplayID = m_byDisplayID.ToString(CultureInfo.InvariantCulture);
}
if (boolTestMode)
{
m_DisplayType = ItronDevice.DisplayMode.TEST_MODE;
}
else if ((byDisplayTable[nTableOffset + DISPLAYMODE_OFFSET] & ALTMODE_MASK) != 0)
{
m_DisplayType = ItronDevice.DisplayMode.ALT_MODE;
}
else
{
m_DisplayType = ItronDevice.DisplayMode.NORMAL_MODE;
}
m_byTOURate = (byte)((byDisplayTable[nTableOffset + TOURATE_OFFSET] & 0x70) >> 4);
m_byUpperAddress = BCD.BCDtoByte((byte)(byDisplayTable[nTableOffset + ADDRESSBANK_OFFSET] & 0x0F));
m_byLowerAddress = byDisplayTable[nTableOffset + ADDRESS_OFFSET];
}
else
{
m_strDescription = "End of Table";
m_DisplayType = ItronDevice.DisplayMode.NORMAL_MODE;
}
}
