internal ReaderSaverErrors ReadDeviceHeader(DeviceConfiguration configuration)
{
List<object> listOfConfigurationItems = new List<object>();
DeviceHeader tempHeader = new DeviceHeader();
DeviceConfigurationTime tempConfigurationTime = new DeviceConfigurationTime();
listOfConfigurationItems.Add(tempHeader);
listOfConfigurationItems.Add(tempConfigurationTime);
ReaderSaverErrors retCode = PerformReading(ref listOfConfigurationItems);
if (retCode != ReaderSaverErrors.CodeOk)
return retCode;
if (listOfConfigurationItems.Count < 1)
return ReaderSaverErrors.CodeUnknownError;
if (!tempHeader.IsValidHeader())
return ReaderSaverErrors.CodeInvalidDeviceHeader;
configuration.HeaderFields.DeviceConsistenceRegister = tempHeader.DeviceConsistenceRegister;
configuration.HeaderFields.DeviceHeaderCrc16 = tempHeader.DeviceHeaderCrc16;
configuration.HeaderFields.DeviceUartChannelsCount = tempHeader.DeviceUartChannelsCount;
configuration.HeaderFields.DeviceMaximumModbusMasterRequestsToSubDeviceCount = tempHeader.DeviceMaximumModbusMasterRequestsToSubDeviceCount;
configuration.HeaderFields.DeviceUserRegistersCount = tempHeader.DeviceUserRegistersCount;
configuration.HeaderFields.DeviceVersion = tempHeader.DeviceVersion;
configuration.LastConfigurationTime = tempConfigurationTime;
return ReaderSaverErrors.CodeOk;
}
internal ReaderSaverErrors CheckDeviceHeaderValidityAndInitConfiguration(DeviceConfiguration configuration, bool checkOnly = false)
{
List<object> listOfConfigurationItems = new List<object>();
DeviceHeader tempHeader = new DeviceHeader();
listOfConfigurationItems.Add(checkOnly ? tempHeader : configuration.HeaderFields);
ReaderSaverErrors retCode = PerformReading(ref listOfConfigurationItems);
if (retCode != ReaderSaverErrors.CodeOk)
return retCode;
if (listOfConfigurationItems.Count < 1)
return ReaderSaverErrors.CodeUnknownError;
if (!checkOnly)
{
object tempObj = configuration.HeaderFields;
Utility.CloneObjectProperties(listOfConfigurationItems[0], ref tempObj);
if (!configuration.HeaderFields.IsValidHeader())
return ReaderSaverErrors.CodeInvalidDeviceHeader;
if (configuration.HeaderFields.ModuleRouter && configuration.RoutingHeader != null)
{
//save previous reading offset
UInt16 currentDeviceOffset = RegisterReadAddressOffset;
//calculate offset for reading router header
listOfConfigurationItems.Add(configuration.LastConfigurationTime);
listOfConfigurationItems.AddRange(configuration.UartPorts);
if (configuration.DIModuleConfiguration != null)
listOfConfigurationItems.Add(configuration.DIModuleConfiguration);
if (configuration.DOModuleConfiguration != null)
listOfConfigurationItems.Add(configuration.DOModuleConfiguration);
RegisterReadAddressOffset = (UInt16)(currentDeviceOffset + ((SizeofHelper.SizeOfPublicPropertiesWithModbusAttribute(listOfConfigurationItems) + 1) / 2));
listOfConfigurationItems.Clear();
//read header
listOfConfigurationItems.Add(configuration.RoutingHeader);
retCode = PerformReading(ref listOfConfigurationItems);
if (retCode != ReaderSaverErrors.CodeOk)
return retCode;
//restore previous reading offset
RegisterReadAddressOffset = currentDeviceOffset;
}
}
else
{
if (!tempHeader.IsValidHeader())
return ReaderSaverErrors.CodeInvalidDeviceHeader;
if (configuration.HeaderFields.DeviceUartChannelsCount !=
tempHeader.DeviceUartChannelsCount)
return ReaderSaverErrors.CodeNotCompliantDevice;
}
return ReaderSaverErrors.CodeOk;
}