/// <summary>
/// This method retrieves a BCD integer from the meter and returns it as a string value
/// </summary>
/// <returns></returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/07/06 mah 8.00.00 N/A Created
/// </remarks>
protected string GetBCDValue(ref SCSDevice device)
{
string strBCDValue;
int nBCDValue = 0;
int nAddress = device.TranslateDisplayAddress(this);
if (nAddress != 0x0)
{
switch (RegisterType)
{
case 0: // 1 byte field
nBCDValue = device.ReadBCDInteger(nAddress, 1);
break;
case 1: // 2 byte field
nBCDValue = device.ReadBCDInteger(nAddress, 2);
break;
case 2: // 3 byte field
nBCDValue = device.ReadBCDInteger(nAddress, 3);
break;
case 3: // MSN
nBCDValue = device.ReadBCDInteger(nAddress, 1);
break;
case 4: // LSN
nBCDValue = device.ReadBCDInteger(nAddress, 1);
break;
}
strBCDValue = nBCDValue.ToString(CultureInfo.InvariantCulture);
}
else
{
strBCDValue = "";
}
return(strBCDValue);
}
/// <summary>
/// This method retrieves a BCD floating point from the meter. Note that the
/// value is returned as a string in order to prevent any rounding or client formatting
/// issues.
/// </summary>
/// <returns></returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/07/06 mah 8.00.00 N/A Created
/// 03/12/07 mah 8.00.18 Removed leading zeros per SCR #2459
/// </remarks>
protected string GetFixedBCDValue(ref SCSDevice device)
{
String strValue = "";;
int nBasepageAddress = device.TranslateDisplayAddress(this);
// A basepage address of zero indicates that the item is either undefined
// or not displayable - simply return an empty string in this case
if (nBasepageAddress != 0x00)
{
if (RegisterClass == SCSDisplayClass.ExtendedBCDValue)
{
// The extended BCD format is XXX.XXX - we need to treat this a 3 byte BCD integer
// and manually insert the decimal point
int nBCDValue = device.ReadBCDInteger(device.TranslateDisplayAddress(this), 3);
double fValue = (nBCDValue / 1000.0);
strValue = fValue.ToString("##0.000", CultureInfo.InvariantCulture);
}
else if (RegisterType == 0x01)
{
strValue = device.ReadFixedBCDValue(device.TranslateDisplayAddress(this), 1, 2);
}
else if (RegisterType == 0x02)
{
strValue = device.ReadFixedBCDValue(device.TranslateDisplayAddress(this), 1, 3);
}
}
// Remove leading zeros - addresses SCR #2459
strValue = strValue.TrimStart('0');
// But did we get trim too much?
int nDecimalLocation = strValue.IndexOf('.');
// if so, add the initial zero back
if (nDecimalLocation < 1)
{
strValue = strValue.Insert(0, "0");
}
return(strValue);
}