tests/python/python@py_ext/py_ext.xml
author Edouard Tisserant
Thu, 18 Oct 2012 20:24:11 +0200
changeset 859 dbf82971f09d
parent 734 5c42cafaee15
child 862 bb59865db6e6
permissions -rw-r--r--
More pedagogical tests/python. Should be renamed python_ctypes_and_C_pragmas_in_ST or something
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<Python xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://www.w3.org/2001/XMLSchema" xsi:schemaLocation="py_ext_xsd.xsd">
<![CDATA[import time,sys,ctypes
Python_to_C_Call = PLCBinary.Python_to_C_Call
Python_to_C_Call.restype = ctypes.c_int
Python_to_C_Call.argtypes = [ctypes.c_int, ctypes.POINTER(ctypes.c_int)]

def MyPythonFunc(arg):
    i = ctypes.c_int()
    if(Python_to_C_Call(arg, i)):
        res = i.value
        print "toC:", arg, "from C:", res
    else:
        print "Failed Python_to_C_Call failed"
        res = None
    sys.stdout.flush()
    return res
]]>
</Python>