Variable Database API Functions

Gets the list of databases.

Browses a directory.

Closes a database.

Closes a directory.

Closes a variable.

Creates and opens a buffer variable.

Creates a database, opens it and its root directory.

Creates and opens a sub-directory.

Creates and opens a variable.

Deletes a database.

Deletes a directory.

Deletes a variable.

Gets the status of a database.

Initializes the variable database library for the current process.

Opens a database and its root directory.

Opens a sub-directory.

Opens a variable.

Closes the variable database library for the current process.

Reads the logged data, automatically wrapping around the end of the data logger buffer. It stops when reaching the current log index. This function also reads data points. Each point has a value for each channel.

Gets the current log status.

Initializes and releases the data logger.

Triggers the data-logging engine's cyclic process. The real-time application's cyclic task calls this function to trigger data collection synchronized with its process.

Sends a request to start the log.