/// <summary>
/// This method retrieves an energy value from the meter and formats it according
/// to the meter's formatting rules established in the meter's program
/// </summary>
/// <returns></returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/07/06 mah 8.00.00 N/A Created
/// </remarks>
protected string GetEnergyValue(ref SCSDevice device)
{
String strValue;
if (RegisterType == 0x00 || RegisterType == 0x02 || RegisterType == 0x03)
{
strValue = device.ReadFixedBCDValue(device.TranslateDisplayAddress(this), 4, 7);
}
else if (RegisterType == 0x07)
{
strValue = device.ReadFloatingBCDValue(device.TranslateDisplayAddress(this), 3);
}
else
{
strValue = "";
}
if (strValue.Length > 0)
{
// Now that we have a value that we can display we need to format it to match
// the display format currently configured in the meter
strValue = FormatDisplayValue(strValue, device.EnergyFormat);
}
return(strValue);
}
/// <summary>
/// This method retrieves a time from the meter and formats it according
/// to the display'ss formatting rules established in the meter's program. NOte that
/// the value is not formatted according regional settings or preferences. The
/// value will be formatted precisely as it would be displayed by the meter.
/// </summary>
/// <returns></returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/07/06 mah 8.00.00 N/A Created
/// </remarks>
protected string GetTimeValue(ref SCSDevice device)
{
String strValue = "";
int nBasepageAddress = device.TranslateDisplayAddress(this);
// NOte that there are certain dates & times that are simply not available. They are
// indicated by a basepage address of zero. If we encounter one of these simply
// return an empty string
if (nBasepageAddress != 0x0)
{
int nHour;
int nMinute;
int nSecond = 0;
DateTime dateValue;
// The register type indicates the format while the address indicates which
// value is to be displayed
if (LowerAddress == 0x06) // this is a special case - the meter's current date
{
dateValue = device.DeviceTime;
nHour = dateValue.Hour;
nMinute = dateValue.Minute;
nSecond = dateValue.Second;
}
else
{
if (RegisterType == 0)
{
device.ReadBCDTime(nBasepageAddress, out nHour, out nMinute, out nSecond);
}
else
{
device.ReadBCDDate(nBasepageAddress, out nHour, out nMinute);
}
}
// Now that we have a valid date, we can go ahead and format it as it was shown
// on the display
switch (RegisterType)
{
case 0: // time as HH-MM:SS
strValue = nHour.ToString("00", CultureInfo.InvariantCulture) + ":" + nMinute.ToString("00", CultureInfo.InvariantCulture) + ":" + nSecond.ToString("00", CultureInfo.InvariantCulture);
break;
case 1: // date as HH:MM or MM:SS
strValue = nHour.ToString("00", CultureInfo.InvariantCulture) + ":" + nMinute.ToString("00", CultureInfo.InvariantCulture);
break;
}
}
return(strValue);
}
/// <summary>
/// This method is used to populate the display item's description and
/// value fields. Note that to populate the value field, the meter will be
/// interrogated to retrieve the current value of the item being displayed.
/// </summary>
/// <param name="device"></param>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/15/06 mah 8.00.00 N/A Created
/// </remarks>
public void ReadCurrentValue(SCSDevice device)
{
if (Description.Length == 0)
{
Description = device.GetDisplayItemDescription(this);
}
// Next go ahead and retrieve the current value for the display
// item from the meter
GetDisplayItemValue(ref device);
}
/// <summary>
/// This method retrieves a continuous cummulative demand value from the meter
/// and formats it according to the meter's formatting rules established
/// in the meter's program
/// </summary>
/// <returns></returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/07/06 mah 8.00.00 N/A Created
/// </remarks>
protected string GetCCumValue(ref SCSDevice device)
{
String strValue = device.RetrieveCCumValue(this);
if (strValue.Length > 0)
{
// Now that we have a value that we can display we need to format it to match
// the display format currently configured in the meter
strValue = FormatDisplayValue(strValue, device.CumulativeFormat);
}
return(strValue);
}
/// <summary>
/// Writes a new values to the meter for registers that appear on the display.
/// </summary>
/// <param name="device"></param>
/// <returns>ItronDeviceResult</returns>
public ItronDeviceResult WriteNewValue(SCSDevice device)
{
ItronDeviceResult Result = ItronDeviceResult.SUCCESS;
if (true == Editable)
{
// The value is editable so there may be a value. If the value is null or empty then don't bother
if (null != Value && "" != Value)
{
Result = SetDisplayItemValue(ref device);
}
}
return(Result);
}
/// <summary>
/// This method returns and formats a single nibble from the meter
/// </summary>
/// <returns></returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/07/06 mah 8.00.00 N/A Created
/// </remarks>
protected string GetBinaryValue(ref SCSDevice device)
{
String strValue;
if (RegisterType == 0)
{
strValue = device.ReadNibble(device.TranslateDisplayAddress(this), true).ToString(CultureInfo.InvariantCulture);
}
else
{
strValue = device.ReadNibble(device.TranslateDisplayAddress(this), false).ToString(CultureInfo.InvariantCulture);
}
return(strValue);
}
/// <summary>
/// Writes an Energy Value to the meter
/// </summary>
/// <param name="device">Device we are talking to</param>
/// <param name="strValue">The value to set into the meter</param>
/// <returns>ItronDeviceResult</returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 01/30/07 KRC 8.09.00 N/A Getting Edit Registers working
/// </remarks>
protected ItronDeviceResult SetEnergyValue(ref SCSDevice device, string strValue)
{
ItronDeviceResult Result = ItronDeviceResult.SUCCESS;
if (RegisterType == 0x00 || RegisterType == 0x02 || RegisterType == 0x03)
{
Result = device.SetFixedBCDValue(device.TranslateDisplayAddress(this), 4, 7, strValue);
}
else
{
Result = ItronDeviceResult.ERROR;
}
return(Result);
}
/// <summary>
/// Writes a Cum Value to the meter
/// </summary>
/// <param name="device">Device we are talking to</param>
/// <param name="strValue">The value to set into the meter</param>
/// <returns>ItronDeviceResult</returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 01/31/07 KRC 8.00.10 N/A Getting Edit Registers working
/// </remarks>
override protected ItronDeviceResult SetCCumValue(ref SCSDevice device, string strValue)
{
ItronDeviceResult Result = ItronDeviceResult.SUCCESS;
if (RegisterType == 0) // current season
{
Result = device.SetFloatingBCDValue(device.TranslateDisplayAddress(this), 4, strValue);
}
else if (RegisterType == 7) // last season
{
Result = device.SetFloatingBCDValue(device.TranslateDisplayAddress(this), 3, strValue);
}
return(Result);
}
/// <summary>
/// Writes a Cum Value to the meter
/// </summary>
/// <param name="device">Device we are talking to</param>
/// <param name="strValue">The value to set into the meter</param>
/// <returns>ItronDeviceResult</returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 01/30/07 KRC 8.09.00 N/A Getting Edit Registers working
/// </remarks>
protected ItronDeviceResult SetCumulativeValue(ref SCSDevice device, string strValue)
{
ItronDeviceResult Result = ItronDeviceResult.SUCCESS;
if (RegisterType == 0x00 || RegisterType == 0x02 || RegisterType == 0x03)
{
Result = device.SetFloatingBCDValue(device.TranslateDisplayAddress(this), 4, strValue);
}
else if (RegisterType == 0x07)
{
Result = device.SetFloatingBCDValue(device.TranslateDisplayAddress(this), 3, strValue);
}
return(Result);
}
/// <summary>
/// SetDisplayvalue - Determines the type of register this display item is
/// and writes the updated value to the meter.
/// </summary>
/// <param name="device"></param>
/// <returns>ItronDeviceResult</returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 01/30/07 KRC 8.09.00 N/A Supporting Edit Registers
/// </remarks>
private ItronDeviceResult SetDisplayItemValue(ref SCSDevice device)
{
ItronDeviceResult Result = ItronDeviceResult.SUCCESS;
switch (RegisterClass)
{
case SCSDisplayClass.EnergyValue:
{
if (device.EnergyFormat.Units == SCSDisplayFormat.DisplayUnits.Units)
{
m_strValue = MoveDecimalToTheLeft(m_strValue, 3, device.EnergyFormat.NumDecimalDIgits);
}
Result = SetEnergyValue(ref device, m_strValue);
break;
}
case SCSDisplayClass.MaxDemandValue:
{
if (device.DemandFormat.Units == SCSDisplayFormat.DisplayUnits.Units)
{
m_strValue = MoveDecimalToTheLeft(m_strValue, 3, device.DemandFormat.NumDecimalDIgits);
}
Result = SetMaxDemandValue(ref device, m_strValue);
break;
}
case SCSDisplayClass.CumulativeValue:
case SCSDisplayClass.TotalContinuousCumulativeValue:
case SCSDisplayClass.TOUContinuousCumulativeValue:
{
if (device.CumulativeFormat.Units == SCSDisplayFormat.DisplayUnits.Units)
{
m_strValue = MoveDecimalToTheLeft(m_strValue, 3, device.CumulativeFormat.NumDecimalDIgits);
}
Result = SetCumulativeValue(ref device, m_strValue);
break;
}
default:
// We need to investigate why this got called.
Result = ItronDeviceResult.UNSUPPORTED_OPERATION;
break;
}
return(Result);
}
/// <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);
}
/// <summary>
/// This method retrieves an ASCII value from the meter. No additional formatting
/// is performed
/// </summary>
/// <returns></returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/07/06 mah 8.00.00 N/A Created
/// </remarks>
protected string GetAsciiValue(ref SCSDevice device)
{
String strValue = "";;
switch (RegisterType)
{
case 0: // 4 byte field
strValue = device.ReadASCIIValue(device.TranslateDisplayAddress(this), 4);
break;
case 1: // 8 byte field
strValue = device.ReadASCIIValue(device.TranslateDisplayAddress(this), 8);
break;
case 2: // 9 byte field
strValue = device.ReadASCIIValue(device.TranslateDisplayAddress(this), 9);
break;
}
return(strValue);
}
/// <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 demand value from the meter and formats it according
/// to the meter's formatting rules established in the meter's program
/// </summary>
/// <returns></returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/07/06 mah 8.00.00 N/A Created
/// </remarks>
protected string GetDemandValue(ref SCSDevice device)
{
String strValue;
if (RegisterType == 1)
{
strValue = device.ReadPresentDemandValue(this);
}
else
{
strValue = device.ReadPreviousDemandValue(this);
}
if (strValue.Length > 0)
{
// Now that we have a value that we can display we need to format it to match
// the display format currently configured in the meter
strValue = FormatDisplayValue(strValue, device.DemandFormat);
}
return(strValue);
}
/// <summary>
/// This method retrieves a date from the meter and formats it according
/// to the display'ss formatting rules established in the meter's program. NOte that
/// the value is not formatted according regional settings or preferences. The
/// value will be formatted precisely as it would be displayed by the meter. Also
/// note that the value may or may not contain a year
/// </summary>
/// <returns></returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/07/06 mah 8.00.00 N/A Created
/// </remarks>
protected string GetDateValue(ref SCSDevice device)
{
int nYear = 0;
int nMonth;
int nDay;
String strValue = "";
DateTime dateValue;
// The register type indicates the format while the address indicates which
// value is to be displayed
if (LowerAddress == 0) // this is a special case - the meter's current date
{
dateValue = device.DeviceTime;
nYear = dateValue.Year % 100; // note that the devices only store 2 digits for the year
nMonth = dateValue.Month;
nDay = dateValue.Day;
}
else
{
// We need to determine if we should upload 2 bytes for the month and the day
// verses 3 bytes for month day year. If register type calls for a year to be displayed
// the value must be a 3 byte date that includes the year. If the register type only
// calls for month and day, then we have to assume that at 2 byte date is being used
if (RegisterType == 3 || RegisterType == 4)
{
device.ReadBCDDate(device.TranslateDisplayAddress(this), out nMonth, out nDay);
}
else
{
device.ReadBCDDate(device.TranslateDisplayAddress(this), out nYear, out nMonth, out nDay);
}
}
// Now that we have a valid date, we can go ahead and format it as it was shown
// on the display
switch (RegisterType)
{
case 0: // date as MM-DD-YY
strValue = nMonth.ToString("00", CultureInfo.InvariantCulture) + "-" + nDay.ToString("00", CultureInfo.InvariantCulture) + "-" + nYear.ToString("00", CultureInfo.InvariantCulture);
break;
case 1: // date as DD-MM-YY
strValue = nDay.ToString("00", CultureInfo.InvariantCulture) + "-" + nMonth.ToString("00", CultureInfo.InvariantCulture) + "-" + nYear.ToString("00", CultureInfo.InvariantCulture);
break;
case 2: // date as YY-MM-DD
strValue = nYear.ToString("00", CultureInfo.InvariantCulture) + "-" + nMonth.ToString("00", CultureInfo.InvariantCulture) + "-" + nDay.ToString("00", CultureInfo.InvariantCulture);
break;
case 3: // date as MM-DD
strValue = nMonth.ToString("00", CultureInfo.InvariantCulture) + "-" + nDay.ToString("00", CultureInfo.InvariantCulture);
break;
case 4: // date as DD-MM
strValue = nDay.ToString("00", CultureInfo.InvariantCulture) + "-" + nMonth.ToString("00", CultureInfo.InvariantCulture);
break;
}
return(strValue);
}
/// <summary>
/// This method sets a continuous cummulative demand value to the meter
///
/// </summary>
/// <returns></returns>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 01/31/07 KRC 8.00.10 N/A Support for Edit Registers
/// </remarks>
virtual protected ItronDeviceResult SetCCumValue(ref SCSDevice device, string strValue)
{
ItronDeviceResult Result = ItronDeviceResult.SUCCESS;
return(Result);
}
/// <summary>
/// This method is used to retrieve the current value of the display item. Note that
/// this method does not cache any values. Therefore each time it is called, the meter
/// will be interrogated to get the actual value that would be shown on the meter's display
/// </summary>
/// <remarks >
/// MM/DD/YY who Version Issue# Description
/// -------- --- ------- ------ ---------------------------------------
/// 12/15/06 mah 8.00.00 N/A Created
/// </remarks>
protected void GetDisplayItemValue(ref SCSDevice device)
{
String strValue;
switch (RegisterClass)
{
case SCSDisplayClass.EnergyValue: strValue = GetEnergyValue(ref device);
break;
case SCSDisplayClass.InstantaneousValue:
int nAddress = device.TranslateDisplayAddress(this);
if (nAddress != 0)
{
strValue = device.ReadFloatingPointValue(nAddress).ToString("######0.000", CultureInfo.InvariantCulture);
if (strValue.Length > 0)
{
// Now that we have a value that we can display we need to format it to match
// the display format currently configured in the meter
strValue = FormatDisplayValue(strValue, device.DemandFormat);
}
}
else
{
strValue = "";
}
break;
case SCSDisplayClass.DemandValue: strValue = GetDemandValue(ref device);
break;
case SCSDisplayClass.MaxDemandValue: strValue = GetMaxDemandValue(ref device);
break;
case SCSDisplayClass.CumulativeValue: strValue = GetCumulativeValue(ref device);
break;
case SCSDisplayClass.IntegerBCD: strValue = GetBCDValue(ref device);
break;
case SCSDisplayClass.DateValue: strValue = GetDateValue(ref device);
break;
case SCSDisplayClass.TimeValue: strValue = GetTimeValue(ref device);
break;
case SCSDisplayClass.ASCIIValue: strValue = GetAsciiValue(ref device);
break;
case SCSDisplayClass.FixedBCD: strValue = GetFixedBCDValue(ref device);
break;
case SCSDisplayClass.FloatingPointBCD: strValue = device.ReadFloatingBCDValue(device.TranslateDisplayAddress(this), 4);
break;
case SCSDisplayClass.TotalContinuousCumulativeValue: strValue = GetCCumValue(ref device);
break;
case SCSDisplayClass.BinaryValue: strValue = GetBinaryValue(ref device);
break;
case SCSDisplayClass.ExtendedBCDValue: strValue = GetFixedBCDValue(ref device);
break;
case SCSDisplayClass.TOUContinuousCumulativeValue: strValue = GetCCumValue(ref device);
break;
default:
strValue = "";
break;
}
Value = strValue;
}
