ITrendStorageReaderConsumer.VariableConfigurationRead (METH) ¶ METHOD VariableConfigurationRead Notification, that the variable configuration was read and reading of data will start immediately. InOut: Scope Name Type Comment Input paTrendStorageVariableDescription POINTER TO ARRAY [0..0] OF TrendStorageVariableDescription Points to an array of TrendStorageVariableDescription Variables, where the configuration of the variables has been stored. This array contains the description of the variables, whose data will be read iCountVariables INT The effective size of the array above, i.e. the number of variables

ITrendStorageWriterListener (ITF) ¶ INTERFACE ITrendStorageWriterListener This interface must be implemented by function blocks, that have to be informed if new data has been written into the trend storage Methods: DataWritten Structure: DataWritten (Method)

ITrendStorageWriterListener.DataWritten (METH) ¶ METHOD DataWritten Notification, that data has been written to the trend storage InOut: Scope Name Type Comment Input liFirstTimestamp LINT The first timestamp for which data was written to the trend storage liLastTimestamp LINT The last timestamp for which data was written to the trend storage iCountRows INT The number of rows, that have been written to the trend storage

Service ¶ SwapDword (Function) SwapLword (Function) SwapWord (Function) TrendStorageCache TrendStorageCacheItemData (FunctionBlock)

SwapDword (FUN) ¶ FUNCTION SwapDword : BOOL InOut: Scope Name Type Return SwapDword BOOL Inout dw DWORD

SwapLword (FUN) ¶ FUNCTION SwapLword : BOOL InOut: Scope Name Type Return SwapLword BOOL Inout lw LWORD

SwapWord (FUN) ¶ FUNCTION SwapWord : BOOL InOut: Scope Name Type Return SwapWord BOOL Inout wd WORD

ITrendStorageAccessReadOperator.BeforeReadingVariableConfiguration (METH) ¶ METHOD BeforeReadingVariableConfiguration Notification, that reading the variable configuration from table TblTrendConfiguration will start. InOut: Scope Name Type Comment Input iWhichCall INT The 0-based index of the reading, i.e. of call to method prvTblTrendConfigurationGetConfig xChangeOfConfig BOOL This flag indicates, whether the given timestamp range of method Read spans more than one configuration, i.e. subsequent calls to method prvTblTrendConfigurationGetConfig will be done. iCountVariables INT The number of variables of the corresponding trace manager packet, that will be read by method prvTblTrendConfigurationGetConfig

ITrendStorageAccessReadOperator.ColIDRead (METH) ¶ METHOD ColIDRead Notification, that the column id of the column, that stores the values of the variable was read from table TblTrendConfiguration. InOut: Scope Name Type Comment Input iWhichVariable INT The 0 based index of the variable within all variables wColId WORD The column id

ITrendStorageAccessReadOperator.DescriptionTextIDRead (METH) ¶ METHOD DescriptionTextIDRead Notification, that the text ID for the description of the variable was read from table TblTrendConfiguration. InOut: Scope Name Type Comment Input iWhichVariable INT The 0 based index of the variable within all variables sDescriptionTextID STRING The text ID