doc/overview.rst
author Andrey Skvortsov <andrej.skvortzov@gmail.com>
Fri, 22 Apr 2016 21:26:31 +0300
changeset 1503 3a238c0c5993
parent 810 707e2be17a43
child 3925 1d383b4c0a23
permissions -rw-r--r--
fix regression introduced by changeset: 1431:28e9d479aa65 [Use '-p' command line option when running matiec (iec2c)]

Variable matiec_flags in c_ext.py and PythonFileCTNMixin.py is not
used for flags for matiec (IEC to C compiler) actually, but it's used
to compile C-code generated for extensions using normal C-compiler,
like gcc.
810
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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.