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Concept
Fsc2
Summary
fsc2 is a program running under Linux for controlling spectrometers. Programs for remote control of spectrometers usually are home-written and often restricted to doing a certain set of experiments with only a fixed set of devices. In contrast, fsc2 is much more flexible because it was written with three main aims:
It should be easy for the user to set up a new experiment without having to change the program itself.
Devices should be exchangeable and support for new devices should not necessitate any changes of the basic program.
Users doing just standard experiments should only need to interact with a simple graphical user interface.
This flexibility was achieved by making the program an interpreter for a rather easy to learn but powerful enough scripting language called Experiment Description Language (EDL) and employing a strictly modular approach to the handling of devices. This allows users to set up a new experiment or change an already existing one easily without requiring any detailed knowledge of the internals of fsc2 or how exactly devices are controlled by the computer. Everything required is to become acquainted with the EDL scripting language. Moreover, an already working script for an experiment can be swiftly converted to display a graphical user interface for entering the experimental parameters by adding just a few extra lines and converting it via a Perl script (included in the package), thus allowing it to be used immediately also by users not acquainted at all with the EDL language.
The EDL language used to describe experiments is similar to other medium to high level languages, borrowing from e.g. MatLab, Fortran, C and Perl etc. It comes with a lot of functions for handling, displaying and saving of data in completely user defined ways. Thus writing a description for a new experiment or adapting an already existing EDL script won't be difficult for anyone remotely acquainted with one of the above mentioned programming languages.
Devices are not "hard-coded" into fsc2.
Official source
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