Cascade Historian Functions

Table of Contents

HI_Add - adds a single value at a specified time.

HI_BufferIDDestroy - destroys an interpolation buffer.

HI_BufferIDLength - gives the length of an interpolation buffer.

HI_BufferIDRead - reads an interpolation buffer.

HI_Bufsize - sets the history buffer size.

HI_ClipBuffer - clips Y values to fit within a range.

HI_Count - counts the number of histories that match a pattern.

HI_Deadband - sets the history value deadband.

HI_Delete - removes a history from memory only.

HI_Describe - describes a history's current configuration.

HI_Disable - stops data recording.

HI_Earliest - gives the earliest value in a history.

HI_Enable - activates data recording.

HI_ExchangeBuffer - swaps X and Y values.

HI_FileBase - associates the history with a file for data storage.

HI_Flush - writes buffered data to disk.

HI_GapCountBuffer - identifies and counts large gaps in data.

HI_GapFillBuffer - fills in data gaps found by HI_GapCountBuffer.

HI_History - creates a new history.

HI_Interpolate - queries history data for interpolation.

HI_InterpolateData - interpolates a history and returns data.

HI_Latest - gives the latest value in a history.

HI_Length - finds the total number of values in a history.

HI_List - finds the name of available histories.

HI_ScaleBuffer - performs offset and scaling operations.

HI_StatBuffer - generates summary statistics on Y-values.

HI_Register - registers histories with the Cascade DataHub.

HI_Unregister - unregisters histories with the Cascade DataHub.

HI_Version - gets the version number of the Cascade Historian.