Recent Revision History

Cascade Historian: Version 4.1
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# 1.4. Recent Revision History

Version 4.1 Expanded DLL, revised names and syntax for some commands and functions.

- New DLL functions:

  `hist_buffer2array` | `hist_earliest` | `hist_length`
  `hist_bufsize` | `hist_enable` | `hist_list`
  `hist_count` | `hist_filebase` | `hist_register`
  `hist_deadband` | `hist_flush` | `hist_unregister`
  `hist_delete` | `hist_history` | `hist_version`
  `hist_describe` | `hist_interpolate_data` |
  `hist_disable` | `hist_latest` |

- Renamed commands and API functions:

  Old command | New command | Old API function | New API function
  --- | --- | --- | ---
  deleteHistory | delete | `HI_DeleteHistory` | `HI_Delete`
  historyCount | count | `HI_HistoryCount` | `HI_Count`
  historyLength | length | `HI_HistoryLength` | `HI_Length`
  historyList | list | `HI_HistoryList` | `HI_List`

  Old DLL function | New DLL function
  --- | ---
  `hist_destroy_buffer_id` | `hist_buffer_id_destroy`
  `hist_length_buffer_id` | `hist_buffer_id_length`
  `hist_read_buffer_id` | `hist_buffer_id_read`

- New or revised syntax:

  API functions | DLL functions
  --- | ---
  `HI_Bufsize` | `hist_access_buffer`
  `HI_Deadband` | `hist_buffer_id_read`
  `HI_Filebase` |
  `HI_List` |

- Optionalized parameters for the deadband and add command.

- New, optional parameter for the history command.

- New command: flag.

Version 4.0 Source-code compatibility among the QNX 4, QNX 6 and Linux operating systems, and a reorganized and expanded API.

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