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I have been looking for possibilities to use Libre Office in real time
measuring, testing  and control applications. Normally special software
packages are used for those applications. In industry SCADA-packages
are often used to control processes and to present measured data. I
think that there are also a lot of applications where the flexibility
of LibreOffice Calc would make it more suitable. Especially in small
projects. For example to search for a problem in a machine without
making changes to the existing software.

Now i want to look if there are more people interested in this subject
and perhaps to form a working group for it. Also it would be
interesting, when you have an application for this, to hear about it.

Myself i wrote a small example program in C++ in which i used UNO to
make a real time connection between an Arduino microcontroller board
and Libre Office Calc. The program is very short to put the
functionallity as much as possible in Libre Office. The main function
of the C++ program is to place a block of data from the Arduino in LO
Calc and a block of data from LO Calc in the Arduino. Real time
functions, for which LO Calc itself is not suited, could be programmed
in a LO Basic Macro. On this moment functionallity for trend functions
is still added to the C++ program. In real applications this program
could be used with only small changes.

Victor van Rooijen

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