doc/overview.rst
author Edouard Tisserant
Thu, 24 Nov 2022 12:05:43 +0100
changeset 3691 9289fdda0222
parent 810 707e2be17a43
child 3925 1d383b4c0a23
permissions -rw-r--r--
SVGHMI: fix XY graph init (consequence of earlier change) + reindent

Earlier change did modify the variables attributes (options) are stored in widget objects. XY graph uses variables' min and max to determine range.
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Project overview
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In order to target the widest possible range of programmable devices and keep efficient, Beremiz use C code as an intermediate language. 
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To be executed, C needs to be compiled. `GCC <http://gcc.gnu.org>`_ serve that purpose perfectly.
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PLC program is expressed in languages defined in IEC-61131, including graphical languages. Thanks to PLCopen TC2, those graphical languages have a standardised representation, in XML.
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To be continued.