tests/python/python@py_ext/py_ext.xml
author Edouard Tisserant
Tue, 23 Oct 2012 00:56:30 +0200
changeset 862 bb59865db6e6
parent 859 dbf82971f09d
child 1067 4f460c1dffb5
permissions -rw-r--r--
Introduced FBID in tests/python example. Fixed type error leading to segfault
<?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, "FBID:", FBID
    else:
        print "Failed Python_to_C_Call failed"
        res = None
    sys.stdout.flush()
    return res
]]>
</Python>